lib/sh/fpurge.c
- updated implementation, taken from gnulib
+
+ 4/21
+ ----
+lib/glob/glob.c
+ - in finddirs, don't try to free a return value of glob_error_return
+ from glob_vector. Bug and fix from werner@suse.de
+
+lib/readline/signals.c
+ - in rl_echo_signal_char, check that SIGQUIT and SIGTSTP are defined
+ before trying to use them. Bug report and fix from Volker Grabsch
+ <vog@notjusthosting.com>
+
+ 4/24
+ ----
+aclocal.m4
+ - add conditional inclusion of <stdint.h> to BASH_CHECK_TYPE
+
+bashtypes.h,lib/sh/strto[iu]max.c
+ - include <stdint.h> if present for any existing declaration of
+ intmax_t and uintmax_t. Fixes Interix problem reported by
+ Markus Duft <mduft@gentoo.org>
+
+lib/sh/strindex.c,externs.h,builtins/common.h
+ - renamed strindex to strcasestr to agree with other implementations
+ (e.g., BSD, MacOS X, gnulib); changed callers
+
+lib/sh/{strindex.c,Makefile.in},Makefile.in
+ - renamed strindex.c to strcasestr.c
+
+configure.in
+ - add strcasestr to call to AC_REPLACE_FUNCS, take advantage of
+ existing libc implementations
+
+config.h.in
+ - add define for HAVE_STRCASESTR
+
+lib/sh/mbscmp.c
+ - fix mbscmp to return correct values when the strings do not contain
+ valid multibyte characters. Ideas from gnulib
+
+xstrchr.c
+ - only compare current character against C if mblength == 1
+
+{shell,variables}.c
+ - changed some xstrchr calls back to strchr when the arguments cannot
+ contain multibyte characters
+
+lib/sh/{xstrchr.c,Makefile.in},Makefile.in
+ - renamed xstrchr to mbschr; renamed file to mbschr.c
+
+aclocal.m4
+ - change BASH_CHECK_MULTIBYTE to use AC_REPLACE_FUNCS(mbschr)
+
+externs.h
+ - extern declarations for mbscmp and mbschr, conditional on the usual
+ HAVE_MBSCMP and HAVE_MBSCHR defines
+
+general.h,{alias,arrayfunc,bashline,general,execute_cmd,subst}.c
+ - changed calls to xstrchr to mbschr
+
+doc/bash.1
+ - use `pathname expansion' consistently, not `filename expansion' or
+ `filename generation'
+
+doc/bashref.texi
+ - use the phrase `filename expansion' consistently (since this is
+ what they Gnu people prefer) instead of `pathname expansion' or
+ `filename generation'
+
+aclocal.m4,config.h.in
+ - check for mbscasecmp in BASH_CHECK_MULTIBYTE, define HAVE_MBSCASECMP
+ if found
+
+lib/sh/{mbscasecmp.c,Makefile.in}
+ - new file, case-insensitive multibyte string comparison
+
+externs.h
+ - extern declaration for mbscasecmp
+
+ 4/25
+ ----
+lib/readline/display.c
+ - in _rl_move_cursor_relative, don't adjust dpos by woff if it's
+ already less than woff (don't want it less than 0)
+ - in _rl_move_cursor_relative, short-circuit right away if the cursor
+ is at columns 0 and `new' is 0 (doesn't matter if it's a multibyte
+ locale or not, or whether there are invisible chars in the prompt)
+ - in _rl_move_cursor_relative, go ahead and adjust dpos if
+ prompt_physical_chars >= _rl_screenwidth (previous check was just > )
- include "posixselect.h" instead of using inline includes
- use new USEC_TO_TIMEVAL define to make sure that values for timeouts
greater than one second are handled properly
+
+lib/sh/fpurge.c
+ - updated implementation, taken from gnulib
+
+ 4/21
+ ----
+lib/glob/glob.c
+ - in finddirs, don't try to free a return value of glob_error_return
+ from glob_vector. Bug and fix from werner@suse.de
+
+lib/readline/signals.c
+ - in rl_echo_signal_char, check that SIGQUIT and SIGTSTP are defined
+ before trying to use them. Bug report and fix from Volker Grabsch
+ <vog@notjusthosting.com>
+
+ 4/24
+ ----
+aclocal.m4
+ - add conditional inclusion of <stdint.h> to BASH_CHECK_TYPE
+
+bashtypes.h,lib/sh/strto[iu]max.c
+ - include <stdint.h> if present for any existing declaration of
+ intmax_t and uintmax_t. Fixes Interix problem reported by
+ Markus Duft <mduft@gentoo.org>
+
+lib/sh/strindex.c,externs.h,builtins/common.h
+ - renamed strindex to strcasestr to agree with other implementations
+ (e.g., BSD, MacOS X, gnulib); changed callers
+
+lib/sh/{strindex.c,Makefile.in},Makefile.in
+ - renamed strindex.c to strcasestr.c
+
+configure.in
+ - add strcasestr to call to AC_REPLACE_FUNCS, take advantage of
+ existing libc implementations
+
+config.h.in
+ - add define for HAVE_STRCASESTR
+
+lib/sh/mbscmp.c
+ - fix mbscmp to return correct values when the strings do not contain
+ valid multibyte characters. Ideas from gnulib
+
+xstrchr.c
+ - only compare current character against C if mblength == 1
+
+{shell,variables}.c
+ - changed some xstrchr calls back to strchr when the arguments cannot
+ contain multibyte characters
+
+lib/sh/{xstrchr.c,Makefile.in},Makefile.in
+ - renamed xstrchr to mbschr; renamed file to mbschr.c
+
+aclocal.m4
+ - change BASH_CHECK_MULTIBYTE to use AC_REPLACE_FUNCS(mbschr)
+
+externs.h
+ - extern declarations for mbscmp and mbschr, conditional on the usual
+ HAVE_MBSCMP and HAVE_MBSCHR defines
+
+general.h,{alias,arrayfunc,bashline,general,execute_cmd,subst}.c
+ - changed calls to xstrchr to mbschr
+
+doc/bash.1
+ - use `pathname expansion' consistently, not `filename expansion' or
+ `filename generation'
+
+doc/bashref.texi
+ - use the phrase `filename expansion' consistently (since this is
+ what they Gnu people prefer) instead of `pathname expansion' or
+ `filename generation'
+
+aclocal.m4,config.h.in
+ - check for mbscasecmp in BASH_CHECK_MULTIBYTE, define HAVE_MBSCASECMP
+ if found
+
+lib/sh/{mbscasecmp.c,Makefile.in}
+ - new file, case-insensitive multibyte string comparison
+
+externs.h
+ - extern declaration for mbscasecmp
lib/readline/chardefs.h f
lib/readline/posixdir.h f
lib/readline/posixjmp.h f
+lib/readline/posixselect.h f
lib/readline/posixstat.h f
lib/readline/ansi_stdlib.h f
lib/readline/rlstdc.h f
lib/sh/itos.c f
lib/sh/mailstat.c f
lib/sh/makepath.c f
+lib/sh/mbscasecmp.c f
+lib/sh/mbschr.c f
lib/sh/mbscmp.c f
lib/sh/memset.c f
lib/sh/mktime.c f
lib/sh/snprintf.c f
lib/sh/spell.c f
lib/sh/strcasecmp.c f
+lib/sh/strcasestr.c f
lib/sh/strerror.c f
lib/sh/strftime.c f
-lib/sh/strindex.c f
lib/sh/stringlist.c f
lib/sh/stringvec.c f
lib/sh/strnlen.c f
lib/sh/vprint.c f
lib/sh/wcsdup.c f
lib/sh/winsize.c f
-lib/sh/xstrchr.c f
lib/sh/zcatfd.c f
lib/sh/zgetline.c f
lib/sh/zmapfd.c f
include/ocache.h f
include/posixdir.h f
include/posixjmp.h f
+include/posixselect.h f
include/posixstat.h f
include/posixtime.h f
include/posixwait.h f
lib/readline/chardefs.h f
lib/readline/posixdir.h f
lib/readline/posixjmp.h f
+lib/readline/posixselect.h f
lib/readline/posixstat.h f
lib/readline/ansi_stdlib.h f
lib/readline/rlstdc.h f
lib/sh/itos.c f
lib/sh/mailstat.c f
lib/sh/makepath.c f
+lib/sh/mbschr.c f
lib/sh/mbscmp.c f
lib/sh/memset.c f
lib/sh/mktime.c f
lib/sh/snprintf.c f
lib/sh/spell.c f
lib/sh/strcasecmp.c f
+lib/sh/strcasestr.c f
lib/sh/strerror.c f
lib/sh/strftime.c f
-lib/sh/strindex.c f
lib/sh/stringlist.c f
lib/sh/stringvec.c f
lib/sh/strnlen.c f
lib/sh/vprint.c f
lib/sh/wcsdup.c f
lib/sh/winsize.c f
-lib/sh/xstrchr.c f
lib/sh/zcatfd.c f
lib/sh/zgetline.c f
lib/sh/zmapfd.c f
${SH_LIBSRC}/pathphys.c ${SH_LIBSRC}/stringlist.c \
${SH_LIBSRC}/stringvec.c ${SH_LIBSRC}/tmpfile.c \
${SH_LIBSRC}/spell.c ${SH_LIBSRC}/strtrans.c \
- ${SH_LIBSRC}/strindex.c ${SH_LIBSRC}/shquote.c \
+ ${SH_LIBSRC}/strcasestr.c ${SH_LIBSRC}/shquote.c \
${SH_LIBSRC}/snprintf.c ${SH_LIBSRC}/mailstat.c \
${SH_LIBSRC}/fmtulong.c ${SH_LIBSRC}/fmtullong.c \
${SH_LIBSRC}/strtoll.c ${SH_LIBSRC}/strtoull.c \
${SH_LIBSRC}/strtoimax.c ${SH_LIBSRC}/strtoumax.c \
${SH_LIBSRC}/fmtumax.c ${SH_LIBSRC}/netconn.c \
${SH_LIBSRC}/mktime.c ${SH_LIBSRC}/strftime.c \
- ${SH_LIBSRC}/memset.c ${SH_LIBSRC}/xstrchr.c \
+ ${SH_LIBSRC}/memset.c ${SH_LIBSRC}/mbschr.c \
${SH_LIBSRC}/zcatfd.c ${SH_LIBSRC}/shmatch.c \
${SH_LIBSRC}/strnlen.c ${SH_LIBSRC}/winsize.c \
${SH_LIBSRC}/eaccess.c ${SH_LIBSRC}/wcsdup.c \
${SH_LIBSRC}/zgetline.c ${SH_LIBSRC}/mbscmp.c \
${SH_LIBSRC}/casemod.c ${SH_LIBSRC}/uconvert.c \
${SH_LIBSRC}/ufuncs.c ${SH_LIBSRC}/fdprintf.c \
- ${SH_LIBSRC}/input_avail.c
+ ${SH_LIBSRC}/input_avail.c ${SH_LIBSRC}/mbscasecmp.c
SHLIB_LIB = -lsh
SHLIB_LIBNAME = libsh.a
CCFLAGS_FOR_BUILD = $(BASE_CCFLAGS) $(CPPFLAGS_FOR_BUILD) $(CFLAGS_FOR_BUILD)
LDFLAGS = @LDFLAGS@ $(STATIC_LD) $(LOCAL_LDFLAGS) $(PROFILE_FLAGS) $(CFLAGS)
-LDFLAGS_FOR_BUILD = $(LDFLAGS)
+LDFLAGS_FOR_BUILD = @LDFLAGS_FOR_BUILD@ $(LOCAL_LDFLAGS) $(CFLAGS_FOR_BUILD)
INCLUDES = -I. @RL_INCLUDE@ -I$(srcdir) -I$(BASHINCDIR) -I$(LIBSRC) $(INTL_INC)
${SH_LIBSRC}/pathphys.c ${SH_LIBSRC}/stringlist.c \
${SH_LIBSRC}/stringvec.c ${SH_LIBSRC}/tmpfile.c \
${SH_LIBSRC}/spell.c ${SH_LIBSRC}/strtrans.c \
- ${SH_LIBSRC}/strindex.c ${SH_LIBSRC}/shquote.c \
+ ${SH_LIBSRC}/strcasestr.c ${SH_LIBSRC}/shquote.c \
${SH_LIBSRC}/snprintf.c ${SH_LIBSRC}/mailstat.c \
${SH_LIBSRC}/fmtulong.c ${SH_LIBSRC}/fmtullong.c \
${SH_LIBSRC}/strtoll.c ${SH_LIBSRC}/strtoull.c \
${SH_LIBSRC}/strtoimax.c ${SH_LIBSRC}/strtoumax.c \
${SH_LIBSRC}/fmtumax.c ${SH_LIBSRC}/netconn.c \
${SH_LIBSRC}/mktime.c ${SH_LIBSRC}/strftime.c \
- ${SH_LIBSRC}/memset.c ${SH_LIBSRC}/xstrchr.c \
+ ${SH_LIBSRC}/memset.c ${SH_LIBSRC}/mbschr.c \
${SH_LIBSRC}/zcatfd.c ${SH_LIBSRC}/shmatch.c \
${SH_LIBSRC}/strnlen.c ${SH_LIBSRC}/winsize.c \
${SH_LIBSRC}/eaccess.c ${SH_LIBSRC}/wcsdup.c \
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
$2
], bash_cv_type_$1=yes, bash_cv_type_$1=no)])
AC_MSG_RESULT($bash_cv_type_$1)
AC_CHECK_HEADERS(langinfo.h)
AC_CHECK_FUNC(mbrlen, AC_DEFINE(HAVE_MBRLEN))
+AC_CHECK_FUNC(mbscasecmp, AC_DEFINE(HAVE_MBSCMP))
AC_CHECK_FUNC(mbscmp, AC_DEFINE(HAVE_MBSCMP))
AC_CHECK_FUNC(mbsrtowcs, AC_DEFINE(HAVE_MBSRTOWCS))
+AC_REPLACE_FUNCS(mbschr)
+
AC_CHECK_FUNC(wcrtomb, AC_DEFINE(HAVE_WCRTOMB))
AC_CHECK_FUNC(wcscoll, AC_DEFINE(HAVE_WCSCOLL))
AC_CHECK_FUNC(wcsdup, AC_DEFINE(HAVE_WCSDUP))
--- /dev/null
+dnl
+dnl Bash specific tests
+dnl
+dnl Some derived from PDKSH 5.1.3 autoconf tests
+dnl
+
+AC_DEFUN(BASH_C_LONG_LONG,
+[AC_CACHE_CHECK(for long long, ac_cv_c_long_long,
+[if test "$GCC" = yes; then
+ ac_cv_c_long_long=yes
+else
+AC_TRY_RUN([
+int
+main()
+{
+long long foo = 0;
+exit(sizeof(long long) < sizeof(long));
+}
+], ac_cv_c_long_long=yes, ac_cv_c_long_long=no)
+fi])
+if test $ac_cv_c_long_long = yes; then
+ AC_DEFINE(HAVE_LONG_LONG, 1, [Define if the `long long' type works.])
+fi
+])
+
+dnl
+dnl This is very similar to AC_C_LONG_DOUBLE, with the fix for IRIX
+dnl (< changed to <=) added.
+dnl
+AC_DEFUN(BASH_C_LONG_DOUBLE,
+[AC_CACHE_CHECK(for long double, ac_cv_c_long_double,
+[if test "$GCC" = yes; then
+ ac_cv_c_long_double=yes
+else
+AC_TRY_RUN([
+int
+main()
+{
+ /* The Stardent Vistra knows sizeof(long double), but does not
+ support it. */
+ long double foo = 0.0;
+ /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
+ /* On IRIX 5.3, the compiler converts long double to double with a warning,
+ but compiles this successfully. */
+ exit(sizeof(long double) <= sizeof(double));
+}
+], ac_cv_c_long_double=yes, ac_cv_c_long_double=no)
+fi])
+if test $ac_cv_c_long_double = yes; then
+ AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if the `long double' type works.])
+fi
+])
+
+dnl
+dnl Check for <inttypes.h>. This is separated out so that it can be
+dnl AC_REQUIREd.
+dnl
+dnl BASH_HEADER_INTTYPES
+AC_DEFUN(BASH_HEADER_INTTYPES,
+[
+ AC_CHECK_HEADERS(inttypes.h)
+])
+
+dnl
+dnl check for typedef'd symbols in header files, but allow the caller to
+dnl specify the include files to be checked in addition to the default
+dnl
+dnl BASH_CHECK_TYPE(TYPE, HEADERS, DEFAULT[, VALUE-IF-FOUND])
+AC_DEFUN(BASH_CHECK_TYPE,
+[
+AC_REQUIRE([AC_HEADER_STDC])dnl
+AC_REQUIRE([BASH_HEADER_INTTYPES])
+AC_MSG_CHECKING(for $1)
+AC_CACHE_VAL(bash_cv_type_$1,
+[AC_EGREP_CPP($1, [#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+#if HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
+$2
+], bash_cv_type_$1=yes, bash_cv_type_$1=no)])
+AC_MSG_RESULT($bash_cv_type_$1)
+ifelse($#, 4, [if test $bash_cv_type_$1 = yes; then
+ AC_DEFINE($4)
+ fi])
+if test $bash_cv_type_$1 = no; then
+ AC_DEFINE_UNQUOTED($1, $3)
+fi
+])
+
+dnl
+dnl BASH_CHECK_DECL(FUNC)
+dnl
+dnl Check for a declaration of FUNC in stdlib.h and inttypes.h like
+dnl AC_CHECK_DECL
+dnl
+AC_DEFUN(BASH_CHECK_DECL,
+[
+AC_REQUIRE([AC_HEADER_STDC])
+AC_REQUIRE([BASH_HEADER_INTTYPES])
+AC_CACHE_CHECK([for declaration of $1], bash_cv_decl_$1,
+[AC_TRY_LINK(
+[
+#if STDC_HEADERS
+# include <stdlib.h>
+#endif
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+],
+[return !$1;],
+bash_cv_decl_$1=yes, bash_cv_decl_$1=no)])
+bash_tr_func=HAVE_DECL_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+if test $bash_cv_decl_$1 = yes; then
+ AC_DEFINE_UNQUOTED($bash_tr_func, 1)
+else
+ AC_DEFINE_UNQUOTED($bash_tr_func, 0)
+fi
+])
+
+AC_DEFUN(BASH_DECL_PRINTF,
+[AC_MSG_CHECKING(for declaration of printf in <stdio.h>)
+AC_CACHE_VAL(bash_cv_printf_declared,
+[AC_TRY_RUN([
+#include <stdio.h>
+#ifdef __STDC__
+typedef int (*_bashfunc)(const char *, ...);
+#else
+typedef int (*_bashfunc)();
+#endif
+main()
+{
+_bashfunc pf;
+pf = (_bashfunc) printf;
+exit(pf == 0);
+}
+], bash_cv_printf_declared=yes, bash_cv_printf_declared=no,
+ [AC_MSG_WARN(cannot check printf declaration if cross compiling -- defaulting to yes)
+ bash_cv_printf_declared=yes]
+)])
+AC_MSG_RESULT($bash_cv_printf_declared)
+if test $bash_cv_printf_declared = yes; then
+AC_DEFINE(PRINTF_DECLARED)
+fi
+])
+
+AC_DEFUN(BASH_DECL_SBRK,
+[AC_MSG_CHECKING(for declaration of sbrk in <unistd.h>)
+AC_CACHE_VAL(bash_cv_sbrk_declared,
+[AC_EGREP_HEADER(sbrk, unistd.h,
+ bash_cv_sbrk_declared=yes, bash_cv_sbrk_declared=no)])
+AC_MSG_RESULT($bash_cv_sbrk_declared)
+if test $bash_cv_sbrk_declared = yes; then
+AC_DEFINE(SBRK_DECLARED)
+fi
+])
+
+dnl
+dnl Check for sys_siglist[] or _sys_siglist[]
+dnl
+AC_DEFUN(BASH_DECL_UNDER_SYS_SIGLIST,
+[AC_MSG_CHECKING([for _sys_siglist in signal.h or unistd.h])
+AC_CACHE_VAL(bash_cv_decl_under_sys_siglist,
+[AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <signal.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif], [ char *msg = _sys_siglist[2]; ],
+ bash_cv_decl_under_sys_siglist=yes, bash_cv_decl_under_sys_siglist=no,
+ [AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no)])])dnl
+AC_MSG_RESULT($bash_cv_decl_under_sys_siglist)
+if test $bash_cv_decl_under_sys_siglist = yes; then
+AC_DEFINE(UNDER_SYS_SIGLIST_DECLARED)
+fi
+])
+
+AC_DEFUN(BASH_UNDER_SYS_SIGLIST,
+[AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST])
+AC_MSG_CHECKING([for _sys_siglist in system C library])
+AC_CACHE_VAL(bash_cv_under_sys_siglist,
+[AC_TRY_RUN([
+#include <sys/types.h>
+#include <signal.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifndef UNDER_SYS_SIGLIST_DECLARED
+extern char *_sys_siglist[];
+#endif
+main()
+{
+char *msg = (char *)_sys_siglist[2];
+exit(msg == 0);
+}],
+ bash_cv_under_sys_siglist=yes, bash_cv_under_sys_siglist=no,
+ [AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no)
+ bash_cv_under_sys_siglist=no])])
+AC_MSG_RESULT($bash_cv_under_sys_siglist)
+if test $bash_cv_under_sys_siglist = yes; then
+AC_DEFINE(HAVE_UNDER_SYS_SIGLIST)
+fi
+])
+
+AC_DEFUN(BASH_SYS_SIGLIST,
+[AC_REQUIRE([AC_DECL_SYS_SIGLIST])
+AC_MSG_CHECKING([for sys_siglist in system C library])
+AC_CACHE_VAL(bash_cv_sys_siglist,
+[AC_TRY_RUN([
+#include <sys/types.h>
+#include <signal.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if !HAVE_DECL_SYS_SIGLIST
+extern char *sys_siglist[];
+#endif
+main()
+{
+char *msg = sys_siglist[2];
+exit(msg == 0);
+}],
+ bash_cv_sys_siglist=yes, bash_cv_sys_siglist=no,
+ [AC_MSG_WARN(cannot check for sys_siglist if cross compiling -- defaulting to no)
+ bash_cv_sys_siglist=no])])
+AC_MSG_RESULT($bash_cv_sys_siglist)
+if test $bash_cv_sys_siglist = yes; then
+AC_DEFINE(HAVE_SYS_SIGLIST)
+fi
+])
+
+dnl Check for the various permutations of sys_siglist and make sure we
+dnl compile in siglist.o if they're not defined
+AC_DEFUN(BASH_CHECK_SYS_SIGLIST, [
+AC_REQUIRE([BASH_SYS_SIGLIST])
+AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST])
+AC_REQUIRE([BASH_FUNC_STRSIGNAL])
+if test "$bash_cv_sys_siglist" = no && test "$bash_cv_under_sys_siglist" = no && test "$bash_cv_have_strsignal" = no; then
+ SIGLIST_O=siglist.o
+else
+ SIGLIST_O=
+fi
+AC_SUBST([SIGLIST_O])
+])
+
+dnl Check for sys_errlist[] and sys_nerr, check for declaration
+AC_DEFUN(BASH_SYS_ERRLIST,
+[AC_MSG_CHECKING([for sys_errlist and sys_nerr])
+AC_CACHE_VAL(bash_cv_sys_errlist,
+[AC_TRY_LINK([#include <errno.h>],
+[extern char *sys_errlist[];
+ extern int sys_nerr;
+ char *msg = sys_errlist[sys_nerr - 1];],
+ bash_cv_sys_errlist=yes, bash_cv_sys_errlist=no)])dnl
+AC_MSG_RESULT($bash_cv_sys_errlist)
+if test $bash_cv_sys_errlist = yes; then
+AC_DEFINE(HAVE_SYS_ERRLIST)
+fi
+])
+
+dnl
+dnl Check if dup2() does not clear the close on exec flag
+dnl
+AC_DEFUN(BASH_FUNC_DUP2_CLOEXEC_CHECK,
+[AC_MSG_CHECKING(if dup2 fails to clear the close-on-exec flag)
+AC_CACHE_VAL(bash_cv_dup2_broken,
+[AC_TRY_RUN([
+#include <sys/types.h>
+#include <fcntl.h>
+main()
+{
+ int fd1, fd2, fl;
+ fd1 = open("/dev/null", 2);
+ if (fcntl(fd1, 2, 1) < 0)
+ exit(1);
+ fd2 = dup2(fd1, 1);
+ if (fd2 < 0)
+ exit(2);
+ fl = fcntl(fd2, 1, 0);
+ /* fl will be 1 if dup2 did not reset the close-on-exec flag. */
+ exit(fl != 1);
+}
+], bash_cv_dup2_broken=yes, bash_cv_dup2_broken=no,
+ [AC_MSG_WARN(cannot check dup2 if cross compiling -- defaulting to no)
+ bash_cv_dup2_broken=no])
+])
+AC_MSG_RESULT($bash_cv_dup2_broken)
+if test $bash_cv_dup2_broken = yes; then
+AC_DEFINE(DUP2_BROKEN)
+fi
+])
+
+AC_DEFUN(BASH_FUNC_STRSIGNAL,
+[AC_MSG_CHECKING([for the existence of strsignal])
+AC_CACHE_VAL(bash_cv_have_strsignal,
+[AC_TRY_LINK([#include <sys/types.h>
+#include <signal.h>],
+[char *s = (char *)strsignal(2);],
+ bash_cv_have_strsignal=yes, bash_cv_have_strsignal=no)])
+AC_MSG_RESULT($bash_cv_have_strsignal)
+if test $bash_cv_have_strsignal = yes; then
+AC_DEFINE(HAVE_STRSIGNAL)
+fi
+])
+
+dnl Check to see if opendir will open non-directories (not a nice thing)
+AC_DEFUN(BASH_FUNC_OPENDIR_CHECK,
+[AC_REQUIRE([AC_HEADER_DIRENT])dnl
+AC_MSG_CHECKING(if opendir() opens non-directories)
+AC_CACHE_VAL(bash_cv_opendir_not_robust,
+[AC_TRY_RUN([
+#include <stdio.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#if defined(HAVE_DIRENT_H)
+# include <dirent.h>
+#else
+# define dirent direct
+# ifdef HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif /* SYSNDIR */
+# ifdef HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif /* SYSDIR */
+# ifdef HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif /* HAVE_DIRENT_H */
+main()
+{
+DIR *dir;
+int fd, err;
+err = mkdir("bash-aclocal", 0700);
+if (err < 0) {
+ perror("mkdir");
+ exit(1);
+}
+unlink("bash-aclocal/not_a_directory");
+fd = open("bash-aclocal/not_a_directory", O_WRONLY|O_CREAT|O_EXCL, 0666);
+write(fd, "\n", 1);
+close(fd);
+dir = opendir("bash-aclocal/not_a_directory");
+unlink("bash-aclocal/not_a_directory");
+rmdir("bash-aclocal");
+exit (dir == 0);
+}], bash_cv_opendir_not_robust=yes,bash_cv_opendir_not_robust=no,
+ [AC_MSG_WARN(cannot check opendir if cross compiling -- defaulting to no)
+ bash_cv_opendir_not_robust=no]
+)])
+AC_MSG_RESULT($bash_cv_opendir_not_robust)
+if test $bash_cv_opendir_not_robust = yes; then
+AC_DEFINE(OPENDIR_NOT_ROBUST)
+fi
+])
+
+dnl
+AC_DEFUN(BASH_TYPE_SIGHANDLER,
+[AC_MSG_CHECKING([whether signal handlers are of type void])
+AC_CACHE_VAL(bash_cv_void_sighandler,
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <signal.h>
+#ifdef signal
+#undef signal
+#endif
+#ifdef __cplusplus
+extern "C"
+#endif
+void (*signal ()) ();],
+[int i;], bash_cv_void_sighandler=yes, bash_cv_void_sighandler=no)])dnl
+AC_MSG_RESULT($bash_cv_void_sighandler)
+if test $bash_cv_void_sighandler = yes; then
+AC_DEFINE(VOID_SIGHANDLER)
+fi
+])
+
+dnl
+dnl A signed 16-bit integer quantity
+dnl
+AC_DEFUN(BASH_TYPE_BITS16_T,
+[
+if test "$ac_cv_sizeof_short" = 2; then
+ AC_CHECK_TYPE(bits16_t, short)
+elif test "$ac_cv_sizeof_char" = 2; then
+ AC_CHECK_TYPE(bits16_t, char)
+else
+ AC_CHECK_TYPE(bits16_t, short)
+fi
+])
+
+dnl
+dnl An unsigned 16-bit integer quantity
+dnl
+AC_DEFUN(BASH_TYPE_U_BITS16_T,
+[
+if test "$ac_cv_sizeof_short" = 2; then
+ AC_CHECK_TYPE(u_bits16_t, unsigned short)
+elif test "$ac_cv_sizeof_char" = 2; then
+ AC_CHECK_TYPE(u_bits16_t, unsigned char)
+else
+ AC_CHECK_TYPE(u_bits16_t, unsigned short)
+fi
+])
+
+dnl
+dnl A signed 32-bit integer quantity
+dnl
+AC_DEFUN(BASH_TYPE_BITS32_T,
+[
+if test "$ac_cv_sizeof_int" = 4; then
+ AC_CHECK_TYPE(bits32_t, int)
+elif test "$ac_cv_sizeof_long" = 4; then
+ AC_CHECK_TYPE(bits32_t, long)
+else
+ AC_CHECK_TYPE(bits32_t, int)
+fi
+])
+
+dnl
+dnl An unsigned 32-bit integer quantity
+dnl
+AC_DEFUN(BASH_TYPE_U_BITS32_T,
+[
+if test "$ac_cv_sizeof_int" = 4; then
+ AC_CHECK_TYPE(u_bits32_t, unsigned int)
+elif test "$ac_cv_sizeof_long" = 4; then
+ AC_CHECK_TYPE(u_bits32_t, unsigned long)
+else
+ AC_CHECK_TYPE(u_bits32_t, unsigned int)
+fi
+])
+
+AC_DEFUN(BASH_TYPE_PTRDIFF_T,
+[
+if test "$ac_cv_sizeof_int" = "$ac_cv_sizeof_char_p"; then
+ AC_CHECK_TYPE(ptrdiff_t, int)
+elif test "$ac_cv_sizeof_long" = "$ac_cv_sizeof_char_p"; then
+ AC_CHECK_TYPE(ptrdiff_t, long)
+elif test "$ac_cv_type_long_long" = yes && test "$ac_cv_sizeof_long_long" = "$ac_cv_sizeof_char_p"; then
+ AC_CHECK_TYPE(ptrdiff_t, [long long])
+else
+ AC_CHECK_TYPE(ptrdiff_t, int)
+fi
+])
+
+dnl
+dnl A signed 64-bit quantity
+dnl
+AC_DEFUN(BASH_TYPE_BITS64_T,
+[
+if test "$ac_cv_sizeof_char_p" = 8; then
+ AC_CHECK_TYPE(bits64_t, char *)
+elif test "$ac_cv_sizeof_double" = 8; then
+ AC_CHECK_TYPE(bits64_t, double)
+elif test -n "$ac_cv_type_long_long" && test "$ac_cv_sizeof_long_long" = 8; then
+ AC_CHECK_TYPE(bits64_t, [long long])
+elif test "$ac_cv_sizeof_long" = 8; then
+ AC_CHECK_TYPE(bits64_t, long)
+else
+ AC_CHECK_TYPE(bits64_t, double)
+fi
+])
+
+AC_DEFUN(BASH_TYPE_LONG_LONG,
+[
+AC_CACHE_CHECK([for long long], bash_cv_type_long_long,
+[AC_TRY_LINK([
+long long ll = 1; int i = 63;],
+[
+long long llm = (long long) -1;
+return ll << i | ll >> i | llm / ll | llm % ll;
+], bash_cv_type_long_long='long long', bash_cv_type_long_long='long')])
+if test "$bash_cv_type_long_long" = 'long long'; then
+ AC_DEFINE(HAVE_LONG_LONG, 1)
+fi
+])
+
+AC_DEFUN(BASH_TYPE_UNSIGNED_LONG_LONG,
+[
+AC_CACHE_CHECK([for unsigned long long], bash_cv_type_unsigned_long_long,
+[AC_TRY_LINK([
+unsigned long long ull = 1; int i = 63;],
+[
+unsigned long long ullmax = (unsigned long long) -1;
+return ull << i | ull >> i | ullmax / ull | ullmax % ull;
+], bash_cv_type_unsigned_long_long='unsigned long long',
+ bash_cv_type_unsigned_long_long='unsigned long')])
+if test "$bash_cv_type_unsigned_long_long" = 'unsigned long long'; then
+ AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1)
+fi
+])
+
+dnl
+dnl Type of struct rlimit fields: some systems (OSF/1, NetBSD, RISC/os 5.0)
+dnl have a rlim_t, others (4.4BSD based systems) use quad_t, others use
+dnl long and still others use int (HP-UX 9.01, SunOS 4.1.3). To simplify
+dnl matters, this just checks for rlim_t, quad_t, or long.
+dnl
+AC_DEFUN(BASH_TYPE_RLIMIT,
+[AC_MSG_CHECKING(for size and type of struct rlimit fields)
+AC_CACHE_VAL(bash_cv_type_rlimit,
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/resource.h>],
+[rlim_t xxx;], bash_cv_type_rlimit=rlim_t,[
+AC_TRY_RUN([
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+main()
+{
+#ifdef HAVE_QUAD_T
+ struct rlimit rl;
+ if (sizeof(rl.rlim_cur) == sizeof(quad_t))
+ exit(0);
+#endif
+ exit(1);
+}], bash_cv_type_rlimit=quad_t, bash_cv_type_rlimit=long,
+ [AC_MSG_WARN(cannot check quad_t if cross compiling -- defaulting to long)
+ bash_cv_type_rlimit=long])])
+])
+AC_MSG_RESULT($bash_cv_type_rlimit)
+if test $bash_cv_type_rlimit = quad_t; then
+AC_DEFINE(RLIMTYPE, quad_t)
+elif test $bash_cv_type_rlimit = rlim_t; then
+AC_DEFINE(RLIMTYPE, rlim_t)
+fi
+])
+
+AC_DEFUN(BASH_TYPE_SIG_ATOMIC_T,
+[AC_CACHE_CHECK([for sig_atomic_t in signal.h], ac_cv_have_sig_atomic_t,
+[AC_TRY_LINK([
+#include <signal.h>
+],[ sig_atomic_t x; ],
+ac_cv_have_sig_atomic_t=yes, ac_cv_have_sig_atomic_t=no)])
+if test "$ac_cv_have_sig_atomic_t" = "no"
+then
+ AC_CHECK_TYPE(sig_atomic_t,int)
+fi
+])
+
+AC_DEFUN(BASH_FUNC_LSTAT,
+[dnl Cannot use AC_CHECK_FUNCS(lstat) because Linux defines lstat() as an
+dnl inline function in <sys/stat.h>.
+AC_CACHE_CHECK([for lstat], bash_cv_func_lstat,
+[AC_TRY_LINK([
+#include <sys/types.h>
+#include <sys/stat.h>
+],[ lstat(".",(struct stat *)0); ],
+bash_cv_func_lstat=yes, bash_cv_func_lstat=no)])
+if test $bash_cv_func_lstat = yes; then
+ AC_DEFINE(HAVE_LSTAT)
+fi
+])
+
+AC_DEFUN(BASH_FUNC_INET_ATON,
+[
+AC_CACHE_CHECK([for inet_aton], bash_cv_func_inet_aton,
+[AC_TRY_LINK([
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+struct in_addr ap;], [ inet_aton("127.0.0.1", &ap); ],
+bash_cv_func_inet_aton=yes, bash_cv_func_inet_aton=no)])
+if test $bash_cv_func_inet_aton = yes; then
+ AC_DEFINE(HAVE_INET_ATON)
+else
+ AC_LIBOBJ(inet_aton)
+fi
+])
+
+AC_DEFUN(BASH_FUNC_GETENV,
+[AC_MSG_CHECKING(to see if getenv can be redefined)
+AC_CACHE_VAL(bash_cv_getenv_redef,
+[AC_TRY_RUN([
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#ifndef __STDC__
+# ifndef const
+# define const
+# endif
+#endif
+char *
+getenv (name)
+#if defined (__linux__) || defined (__bsdi__) || defined (convex)
+ const char *name;
+#else
+ char const *name;
+#endif /* !__linux__ && !__bsdi__ && !convex */
+{
+return "42";
+}
+main()
+{
+char *s;
+/* The next allows this program to run, but does not allow bash to link
+ when it redefines getenv. I'm not really interested in figuring out
+ why not. */
+#if defined (NeXT)
+exit(1);
+#endif
+s = getenv("ABCDE");
+exit(s == 0); /* force optimizer to leave getenv in */
+}
+], bash_cv_getenv_redef=yes, bash_cv_getenv_redef=no,
+ [AC_MSG_WARN(cannot check getenv redefinition if cross compiling -- defaulting to yes)
+ bash_cv_getenv_redef=yes]
+)])
+AC_MSG_RESULT($bash_cv_getenv_redef)
+if test $bash_cv_getenv_redef = yes; then
+AC_DEFINE(CAN_REDEFINE_GETENV)
+fi
+])
+
+# We should check for putenv before calling this
+AC_DEFUN(BASH_FUNC_STD_PUTENV,
+[
+AC_REQUIRE([AC_HEADER_STDC])
+AC_REQUIRE([AC_C_PROTOTYPES])
+AC_CACHE_CHECK([for standard-conformant putenv declaration], bash_cv_std_putenv,
+[AC_TRY_LINK([
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+#ifndef __STDC__
+# ifndef const
+# define const
+# endif
+#endif
+#ifdef PROTOTYPES
+extern int putenv (char *);
+#else
+extern int putenv ();
+#endif
+],
+[return (putenv == 0);],
+bash_cv_std_putenv=yes, bash_cv_std_putenv=no
+)])
+if test $bash_cv_std_putenv = yes; then
+AC_DEFINE(HAVE_STD_PUTENV)
+fi
+])
+
+# We should check for unsetenv before calling this
+AC_DEFUN(BASH_FUNC_STD_UNSETENV,
+[
+AC_REQUIRE([AC_HEADER_STDC])
+AC_REQUIRE([AC_C_PROTOTYPES])
+AC_CACHE_CHECK([for standard-conformant unsetenv declaration], bash_cv_std_unsetenv,
+[AC_TRY_LINK([
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+#ifndef __STDC__
+# ifndef const
+# define const
+# endif
+#endif
+#ifdef PROTOTYPES
+extern int unsetenv (const char *);
+#else
+extern int unsetenv ();
+#endif
+],
+[return (unsetenv == 0);],
+bash_cv_std_unsetenv=yes, bash_cv_std_unsetenv=no
+)])
+if test $bash_cv_std_unsetenv = yes; then
+AC_DEFINE(HAVE_STD_UNSETENV)
+fi
+])
+
+AC_DEFUN(BASH_FUNC_ULIMIT_MAXFDS,
+[AC_MSG_CHECKING(whether ulimit can substitute for getdtablesize)
+AC_CACHE_VAL(bash_cv_ulimit_maxfds,
+[AC_TRY_RUN([
+main()
+{
+long maxfds = ulimit(4, 0L);
+exit (maxfds == -1L);
+}
+], bash_cv_ulimit_maxfds=yes, bash_cv_ulimit_maxfds=no,
+ [AC_MSG_WARN(cannot check ulimit if cross compiling -- defaulting to no)
+ bash_cv_ulimit_maxfds=no]
+)])
+AC_MSG_RESULT($bash_cv_ulimit_maxfds)
+if test $bash_cv_ulimit_maxfds = yes; then
+AC_DEFINE(ULIMIT_MAXFDS)
+fi
+])
+
+AC_DEFUN(BASH_FUNC_GETCWD,
+[AC_MSG_CHECKING([if getcwd() will dynamically allocate memory with 0 size])
+AC_CACHE_VAL(bash_cv_getcwd_malloc,
+[AC_TRY_RUN([
+#include <stdio.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+main()
+{
+ char *xpwd;
+ xpwd = getcwd(0, 0);
+ exit (xpwd == 0);
+}
+], bash_cv_getcwd_malloc=yes, bash_cv_getcwd_malloc=no,
+ [AC_MSG_WARN(cannot check whether getcwd allocates memory when cross-compiling -- defaulting to no)
+ bash_cv_getcwd_malloc=no]
+)])
+AC_MSG_RESULT($bash_cv_getcwd_malloc)
+if test $bash_cv_getcwd_malloc = no; then
+AC_DEFINE(GETCWD_BROKEN)
+AC_LIBOBJ(getcwd)
+fi
+])
+
+dnl
+dnl This needs BASH_CHECK_SOCKLIB, but since that's not called on every
+dnl system, we can't use AC_PREREQ
+dnl
+AC_DEFUN(BASH_FUNC_GETHOSTBYNAME,
+[if test "X$bash_cv_have_gethostbyname" = "X"; then
+_bash_needmsg=yes
+else
+AC_MSG_CHECKING(for gethostbyname in socket library)
+_bash_needmsg=
+fi
+AC_CACHE_VAL(bash_cv_have_gethostbyname,
+[AC_TRY_LINK([#include <netdb.h>],
+[ struct hostent *hp;
+ hp = gethostbyname("localhost");
+], bash_cv_have_gethostbyname=yes, bash_cv_have_gethostbyname=no)]
+)
+if test "X$_bash_needmsg" = Xyes; then
+ AC_MSG_CHECKING(for gethostbyname in socket library)
+fi
+AC_MSG_RESULT($bash_cv_have_gethostbyname)
+if test "$bash_cv_have_gethostbyname" = yes; then
+AC_DEFINE(HAVE_GETHOSTBYNAME)
+fi
+])
+
+AC_DEFUN(BASH_FUNC_FNMATCH_EXTMATCH,
+[AC_MSG_CHECKING(if fnmatch does extended pattern matching with FNM_EXTMATCH)
+AC_CACHE_VAL(bash_cv_fnm_extmatch,
+[AC_TRY_RUN([
+#include <fnmatch.h>
+
+main()
+{
+#ifdef FNM_EXTMATCH
+ exit (0);
+#else
+ exit (1);
+#endif
+}
+], bash_cv_fnm_extmatch=yes, bash_cv_fnm_extmatch=no,
+ [AC_MSG_WARN(cannot check FNM_EXTMATCH if cross compiling -- defaulting to no)
+ bash_cv_fnm_extmatch=no])
+])
+AC_MSG_RESULT($bash_cv_fnm_extmatch)
+if test $bash_cv_fnm_extmatch = yes; then
+AC_DEFINE(HAVE_LIBC_FNM_EXTMATCH)
+fi
+])
+
+AC_DEFUN(BASH_FUNC_POSIX_SETJMP,
+[AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
+AC_MSG_CHECKING(for presence of POSIX-style sigsetjmp/siglongjmp)
+AC_CACHE_VAL(bash_cv_func_sigsetjmp,
+[AC_TRY_RUN([
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+#include <signal.h>
+#include <setjmp.h>
+
+main()
+{
+#if !defined (_POSIX_VERSION) || !defined (HAVE_POSIX_SIGNALS)
+exit (1);
+#else
+
+int code;
+sigset_t set, oset;
+sigjmp_buf xx;
+
+/* get the mask */
+sigemptyset(&set);
+sigemptyset(&oset);
+sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &set);
+sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &oset);
+
+/* save it */
+code = sigsetjmp(xx, 1);
+if (code)
+ exit(0); /* could get sigmask and compare to oset here. */
+
+/* change it */
+sigaddset(&set, SIGINT);
+sigprocmask(SIG_BLOCK, &set, (sigset_t *)NULL);
+
+/* and siglongjmp */
+siglongjmp(xx, 10);
+exit(1);
+#endif
+}], bash_cv_func_sigsetjmp=present, bash_cv_func_sigsetjmp=missing,
+ [AC_MSG_WARN(cannot check for sigsetjmp/siglongjmp if cross-compiling -- defaulting to missing)
+ bash_cv_func_sigsetjmp=missing]
+)])
+AC_MSG_RESULT($bash_cv_func_sigsetjmp)
+if test $bash_cv_func_sigsetjmp = present; then
+AC_DEFINE(HAVE_POSIX_SIGSETJMP)
+fi
+])
+
+AC_DEFUN(BASH_FUNC_STRCOLL,
+[
+AC_MSG_CHECKING(whether or not strcoll and strcmp differ)
+AC_CACHE_VAL(bash_cv_func_strcoll_broken,
+[AC_TRY_RUN([
+#include <stdio.h>
+#if defined (HAVE_LOCALE_H)
+#include <locale.h>
+#endif
+
+main(c, v)
+int c;
+char *v[];
+{
+ int r1, r2;
+ char *deflocale, *defcoll;
+
+#ifdef HAVE_SETLOCALE
+ deflocale = setlocale(LC_ALL, "");
+ defcoll = setlocale(LC_COLLATE, "");
+#endif
+
+#ifdef HAVE_STRCOLL
+ /* These two values are taken from tests/glob-test. */
+ r1 = strcoll("abd", "aXd");
+#else
+ r1 = 0;
+#endif
+ r2 = strcmp("abd", "aXd");
+
+ /* These two should both be greater than 0. It is permissible for
+ a system to return different values, as long as the sign is the
+ same. */
+
+ /* Exit with 1 (failure) if these two values are both > 0, since
+ this tests whether strcoll(3) is broken with respect to strcmp(3)
+ in the default locale. */
+ exit (r1 > 0 && r2 > 0);
+}
+], bash_cv_func_strcoll_broken=yes, bash_cv_func_strcoll_broken=no,
+ [AC_MSG_WARN(cannot check strcoll if cross compiling -- defaulting to no)
+ bash_cv_func_strcoll_broken=no]
+)])
+AC_MSG_RESULT($bash_cv_func_strcoll_broken)
+if test $bash_cv_func_strcoll_broken = yes; then
+AC_DEFINE(STRCOLL_BROKEN)
+fi
+])
+
+AC_DEFUN(BASH_FUNC_PRINTF_A_FORMAT,
+[AC_MSG_CHECKING([for printf floating point output in hex notation])
+AC_CACHE_VAL(bash_cv_printf_a_format,
+[AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+
+int
+main()
+{
+ double y = 0.0;
+ char abuf[1024];
+
+ sprintf(abuf, "%A", y);
+ exit(strchr(abuf, 'P') == (char *)0);
+}
+], bash_cv_printf_a_format=yes, bash_cv_printf_a_format=no,
+ [AC_MSG_WARN(cannot check printf if cross compiling -- defaulting to no)
+ bash_cv_printf_a_format=no]
+)])
+AC_MSG_RESULT($bash_cv_printf_a_format)
+if test $bash_cv_printf_a_format = yes; then
+AC_DEFINE(HAVE_PRINTF_A_FORMAT)
+fi
+])
+
+AC_DEFUN(BASH_STRUCT_TERMIOS_LDISC,
+[
+AC_CHECK_MEMBER(struct termios.c_line, AC_DEFINE(TERMIOS_LDISC), ,[
+#include <sys/types.h>
+#include <termios.h>
+])
+])
+
+AC_DEFUN(BASH_STRUCT_TERMIO_LDISC,
+[
+AC_CHECK_MEMBER(struct termio.c_line, AC_DEFINE(TERMIO_LDISC), ,[
+#include <sys/types.h>
+#include <termio.h>
+])
+])
+
+dnl
+dnl Like AC_STRUCT_ST_BLOCKS, but doesn't muck with LIBOBJS
+dnl
+dnl sets bash_cv_struct_stat_st_blocks
+dnl
+dnl unused for now; we'll see how AC_CHECK_MEMBERS works
+dnl
+AC_DEFUN(BASH_STRUCT_ST_BLOCKS,
+[
+AC_MSG_CHECKING([for struct stat.st_blocks])
+AC_CACHE_VAL(bash_cv_struct_stat_st_blocks,
+[AC_TRY_COMPILE(
+[
+#include <sys/types.h>
+#include <sys/stat.h>
+],
+[
+main()
+{
+static struct stat a;
+if (a.st_blocks) return 0;
+return 0;
+}
+], bash_cv_struct_stat_st_blocks=yes, bash_cv_struct_stat_st_blocks=no)
+])
+AC_MSG_RESULT($bash_cv_struct_stat_st_blocks)
+if test "$bash_cv_struct_stat_st_blocks" = "yes"; then
+AC_DEFINE(HAVE_STRUCT_STAT_ST_BLOCKS)
+fi
+])
+
+AC_DEFUN([BASH_CHECK_LIB_TERMCAP],
+[
+if test "X$bash_cv_termcap_lib" = "X"; then
+_bash_needmsg=yes
+else
+AC_MSG_CHECKING(which library has the termcap functions)
+_bash_needmsg=
+fi
+AC_CACHE_VAL(bash_cv_termcap_lib,
+[AC_CHECK_FUNC(tgetent, bash_cv_termcap_lib=libc,
+ [AC_CHECK_LIB(termcap, tgetent, bash_cv_termcap_lib=libtermcap,
+ [AC_CHECK_LIB(tinfo, tgetent, bash_cv_termcap_lib=libtinfo,
+ [AC_CHECK_LIB(curses, tgetent, bash_cv_termcap_lib=libcurses,
+ [AC_CHECK_LIB(ncurses, tgetent, bash_cv_termcap_lib=libncurses,
+ bash_cv_termcap_lib=gnutermcap)])])])])])
+if test "X$_bash_needmsg" = "Xyes"; then
+AC_MSG_CHECKING(which library has the termcap functions)
+fi
+AC_MSG_RESULT(using $bash_cv_termcap_lib)
+if test $bash_cv_termcap_lib = gnutermcap && test -z "$prefer_curses"; then
+LDFLAGS="$LDFLAGS -L./lib/termcap"
+TERMCAP_LIB="./lib/termcap/libtermcap.a"
+TERMCAP_DEP="./lib/termcap/libtermcap.a"
+elif test $bash_cv_termcap_lib = libtermcap && test -z "$prefer_curses"; then
+TERMCAP_LIB=-ltermcap
+TERMCAP_DEP=
+elif test $bash_cv_termcap_lib = libtinfo; then
+TERMCAP_LIB=-ltinfo
+TERMCAP_DEP=
+elif test $bash_cv_termcap_lib = libncurses; then
+TERMCAP_LIB=-lncurses
+TERMCAP_DEP=
+elif test $bash_cv_termcap_lib = libc; then
+TERMCAP_LIB=
+TERMCAP_DEP=
+else
+TERMCAP_LIB=-lcurses
+TERMCAP_DEP=
+fi
+])
+
+dnl
+dnl Check for the presence of getpeername in libsocket.
+dnl If libsocket is present, check for libnsl and add it to LIBS if
+dnl it's there, since most systems with libsocket require linking
+dnl with libnsl as well. This should only be called if getpeername
+dnl was not found in libc.
+dnl
+dnl NOTE: IF WE FIND GETPEERNAME, WE ASSUME THAT WE HAVE BIND/CONNECT
+dnl AS WELL
+dnl
+AC_DEFUN(BASH_CHECK_LIB_SOCKET,
+[
+if test "X$bash_cv_have_socklib" = "X"; then
+_bash_needmsg=
+else
+AC_MSG_CHECKING(for socket library)
+_bash_needmsg=yes
+fi
+AC_CACHE_VAL(bash_cv_have_socklib,
+[AC_CHECK_LIB(socket, getpeername,
+ bash_cv_have_socklib=yes, bash_cv_have_socklib=no, -lnsl)])
+if test "X$_bash_needmsg" = Xyes; then
+ AC_MSG_RESULT($bash_cv_have_socklib)
+ _bash_needmsg=
+fi
+if test $bash_cv_have_socklib = yes; then
+ # check for libnsl, add it to LIBS if present
+ if test "X$bash_cv_have_libnsl" = "X"; then
+ _bash_needmsg=
+ else
+ AC_MSG_CHECKING(for libnsl)
+ _bash_needmsg=yes
+ fi
+ AC_CACHE_VAL(bash_cv_have_libnsl,
+ [AC_CHECK_LIB(nsl, t_open,
+ bash_cv_have_libnsl=yes, bash_cv_have_libnsl=no)])
+ if test "X$_bash_needmsg" = Xyes; then
+ AC_MSG_RESULT($bash_cv_have_libnsl)
+ _bash_needmsg=
+ fi
+ if test $bash_cv_have_libnsl = yes; then
+ LIBS="-lsocket -lnsl $LIBS"
+ else
+ LIBS="-lsocket $LIBS"
+ fi
+ AC_DEFINE(HAVE_LIBSOCKET)
+ AC_DEFINE(HAVE_GETPEERNAME)
+fi
+])
+
+AC_DEFUN(BASH_STRUCT_DIRENT_D_INO,
+[AC_REQUIRE([AC_HEADER_DIRENT])
+AC_MSG_CHECKING(for struct dirent.d_ino)
+AC_CACHE_VAL(bash_cv_dirent_has_dino,
+[AC_TRY_COMPILE([
+#include <stdio.h>
+#include <sys/types.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#if defined(HAVE_DIRENT_H)
+# include <dirent.h>
+#else
+# define dirent direct
+# ifdef HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif /* SYSNDIR */
+# ifdef HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif /* SYSDIR */
+# ifdef HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif /* HAVE_DIRENT_H */
+],[
+struct dirent d; int z; z = d.d_ino;
+], bash_cv_dirent_has_dino=yes, bash_cv_dirent_has_dino=no)])
+AC_MSG_RESULT($bash_cv_dirent_has_dino)
+if test $bash_cv_dirent_has_dino = yes; then
+AC_DEFINE(HAVE_STRUCT_DIRENT_D_INO)
+fi
+])
+
+AC_DEFUN(BASH_STRUCT_DIRENT_D_FILENO,
+[AC_REQUIRE([AC_HEADER_DIRENT])
+AC_MSG_CHECKING(for struct dirent.d_fileno)
+AC_CACHE_VAL(bash_cv_dirent_has_d_fileno,
+[AC_TRY_COMPILE([
+#include <stdio.h>
+#include <sys/types.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#if defined(HAVE_DIRENT_H)
+# include <dirent.h>
+#else
+# define dirent direct
+# ifdef HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif /* SYSNDIR */
+# ifdef HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif /* SYSDIR */
+# ifdef HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif /* HAVE_DIRENT_H */
+],[
+struct dirent d; int z; z = d.d_fileno;
+], bash_cv_dirent_has_d_fileno=yes, bash_cv_dirent_has_d_fileno=no)])
+AC_MSG_RESULT($bash_cv_dirent_has_d_fileno)
+if test $bash_cv_dirent_has_d_fileno = yes; then
+AC_DEFINE(HAVE_STRUCT_DIRENT_D_FILENO)
+fi
+])
+
+AC_DEFUN(BASH_STRUCT_DIRENT_D_NAMLEN,
+[AC_REQUIRE([AC_HEADER_DIRENT])
+AC_MSG_CHECKING(for struct dirent.d_namlen)
+AC_CACHE_VAL(bash_cv_dirent_has_d_namlen,
+[AC_TRY_COMPILE([
+#include <stdio.h>
+#include <sys/types.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#if defined(HAVE_DIRENT_H)
+# include <dirent.h>
+#else
+# define dirent direct
+# ifdef HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif /* SYSNDIR */
+# ifdef HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif /* SYSDIR */
+# ifdef HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif /* HAVE_DIRENT_H */
+],[
+struct dirent d; int z; z = d.d_namlen;
+], bash_cv_dirent_has_d_namlen=yes, bash_cv_dirent_has_d_namlen=no)])
+AC_MSG_RESULT($bash_cv_dirent_has_d_namlen)
+if test $bash_cv_dirent_has_d_namlen = yes; then
+AC_DEFINE(HAVE_STRUCT_DIRENT_D_NAMLEN)
+fi
+])
+
+AC_DEFUN(BASH_STRUCT_TIMEVAL,
+[AC_MSG_CHECKING(for struct timeval in sys/time.h and time.h)
+AC_CACHE_VAL(bash_cv_struct_timeval,
+[
+AC_EGREP_HEADER(struct timeval, sys/time.h,
+ bash_cv_struct_timeval=yes,
+ AC_EGREP_HEADER(struct timeval, time.h,
+ bash_cv_struct_timeval=yes,
+ bash_cv_struct_timeval=no))
+])
+AC_MSG_RESULT($bash_cv_struct_timeval)
+if test $bash_cv_struct_timeval = yes; then
+ AC_DEFINE(HAVE_TIMEVAL)
+fi
+])
+
+AC_DEFUN(BASH_STRUCT_TIMEZONE,
+[AC_MSG_CHECKING(for struct timezone in sys/time.h and time.h)
+AC_CACHE_VAL(bash_cv_struct_timezone,
+[
+AC_EGREP_HEADER(struct timezone, sys/time.h,
+ bash_cv_struct_timezone=yes,
+ AC_EGREP_HEADER(struct timezone, time.h,
+ bash_cv_struct_timezone=yes,
+ bash_cv_struct_timezone=no))
+])
+AC_MSG_RESULT($bash_cv_struct_timezone)
+if test $bash_cv_struct_timezone = yes; then
+ AC_DEFINE(HAVE_STRUCT_TIMEZONE)
+fi
+])
+
+AC_DEFUN(BASH_STRUCT_WINSIZE,
+[AC_MSG_CHECKING(for struct winsize in sys/ioctl.h and termios.h)
+AC_CACHE_VAL(bash_cv_struct_winsize_header,
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/ioctl.h>], [struct winsize x;],
+ bash_cv_struct_winsize_header=ioctl_h,
+ [AC_TRY_COMPILE([#include <sys/types.h>
+#include <termios.h>], [struct winsize x;],
+ bash_cv_struct_winsize_header=termios_h, bash_cv_struct_winsize_header=other)
+])])
+if test $bash_cv_struct_winsize_header = ioctl_h; then
+ AC_MSG_RESULT(sys/ioctl.h)
+ AC_DEFINE(STRUCT_WINSIZE_IN_SYS_IOCTL)
+elif test $bash_cv_struct_winsize_header = termios_h; then
+ AC_MSG_RESULT(termios.h)
+ AC_DEFINE(STRUCT_WINSIZE_IN_TERMIOS)
+else
+ AC_MSG_RESULT(not found)
+fi
+])
+
+dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7)
+AC_DEFUN(BASH_SYS_SIGNAL_VINTAGE,
+[AC_REQUIRE([AC_TYPE_SIGNAL])
+AC_MSG_CHECKING(for type of signal functions)
+AC_CACHE_VAL(bash_cv_signal_vintage,
+[
+ AC_TRY_LINK([#include <signal.h>],[
+ sigset_t ss;
+ struct sigaction sa;
+ sigemptyset(&ss); sigsuspend(&ss);
+ sigaction(SIGINT, &sa, (struct sigaction *) 0);
+ sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0);
+ ], bash_cv_signal_vintage=posix,
+ [
+ AC_TRY_LINK([#include <signal.h>], [
+ int mask = sigmask(SIGINT);
+ sigsetmask(mask); sigblock(mask); sigpause(mask);
+ ], bash_cv_signal_vintage=4.2bsd,
+ [
+ AC_TRY_LINK([
+ #include <signal.h>
+ RETSIGTYPE foo() { }], [
+ int mask = sigmask(SIGINT);
+ sigset(SIGINT, foo); sigrelse(SIGINT);
+ sighold(SIGINT); sigpause(SIGINT);
+ ], bash_cv_signal_vintage=svr3, bash_cv_signal_vintage=v7
+ )]
+ )]
+)
+])
+AC_MSG_RESULT($bash_cv_signal_vintage)
+if test "$bash_cv_signal_vintage" = posix; then
+AC_DEFINE(HAVE_POSIX_SIGNALS)
+elif test "$bash_cv_signal_vintage" = "4.2bsd"; then
+AC_DEFINE(HAVE_BSD_SIGNALS)
+elif test "$bash_cv_signal_vintage" = svr3; then
+AC_DEFINE(HAVE_USG_SIGHOLD)
+fi
+])
+
+dnl Check if the pgrp of setpgrp() can't be the pid of a zombie process.
+AC_DEFUN(BASH_SYS_PGRP_SYNC,
+[AC_REQUIRE([AC_FUNC_GETPGRP])
+AC_MSG_CHECKING(whether pgrps need synchronization)
+AC_CACHE_VAL(bash_cv_pgrp_pipe,
+[AC_TRY_RUN([
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+main()
+{
+# ifdef GETPGRP_VOID
+# define getpgID() getpgrp()
+# else
+# define getpgID() getpgrp(0)
+# define setpgid(x,y) setpgrp(x,y)
+# endif
+ int pid1, pid2, fds[2];
+ int status;
+ char ok;
+
+ switch (pid1 = fork()) {
+ case -1:
+ exit(1);
+ case 0:
+ setpgid(0, getpid());
+ exit(0);
+ }
+ setpgid(pid1, pid1);
+
+ sleep(2); /* let first child die */
+
+ if (pipe(fds) < 0)
+ exit(2);
+
+ switch (pid2 = fork()) {
+ case -1:
+ exit(3);
+ case 0:
+ setpgid(0, pid1);
+ ok = getpgID() == pid1;
+ write(fds[1], &ok, 1);
+ exit(0);
+ }
+ setpgid(pid2, pid1);
+
+ close(fds[1]);
+ if (read(fds[0], &ok, 1) != 1)
+ exit(4);
+ wait(&status);
+ wait(&status);
+ exit(ok ? 0 : 5);
+}
+], bash_cv_pgrp_pipe=no,bash_cv_pgrp_pipe=yes,
+ [AC_MSG_WARN(cannot check pgrp synchronization if cross compiling -- defaulting to no)
+ bash_cv_pgrp_pipe=no])
+])
+AC_MSG_RESULT($bash_cv_pgrp_pipe)
+if test $bash_cv_pgrp_pipe = yes; then
+AC_DEFINE(PGRP_PIPE)
+fi
+])
+
+AC_DEFUN(BASH_SYS_REINSTALL_SIGHANDLERS,
+[AC_REQUIRE([AC_TYPE_SIGNAL])
+AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
+AC_MSG_CHECKING([if signal handlers must be reinstalled when invoked])
+AC_CACHE_VAL(bash_cv_must_reinstall_sighandlers,
+[AC_TRY_RUN([
+#include <signal.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+typedef RETSIGTYPE sigfunc();
+
+int nsigint;
+
+#ifdef HAVE_POSIX_SIGNALS
+sigfunc *
+set_signal_handler(sig, handler)
+ int sig;
+ sigfunc *handler;
+{
+ struct sigaction act, oact;
+ act.sa_handler = handler;
+ act.sa_flags = 0;
+ sigemptyset (&act.sa_mask);
+ sigemptyset (&oact.sa_mask);
+ sigaction (sig, &act, &oact);
+ return (oact.sa_handler);
+}
+#else
+#define set_signal_handler(s, h) signal(s, h)
+#endif
+
+RETSIGTYPE
+sigint(s)
+int s;
+{
+ nsigint++;
+}
+
+main()
+{
+ nsigint = 0;
+ set_signal_handler(SIGINT, sigint);
+ kill((int)getpid(), SIGINT);
+ kill((int)getpid(), SIGINT);
+ exit(nsigint != 2);
+}
+], bash_cv_must_reinstall_sighandlers=no, bash_cv_must_reinstall_sighandlers=yes,
+ [AC_MSG_WARN(cannot check signal handling if cross compiling -- defaulting to no)
+ bash_cv_must_reinstall_sighandlers=no]
+)])
+AC_MSG_RESULT($bash_cv_must_reinstall_sighandlers)
+if test $bash_cv_must_reinstall_sighandlers = yes; then
+AC_DEFINE(MUST_REINSTALL_SIGHANDLERS)
+fi
+])
+
+dnl check that some necessary job control definitions are present
+AC_DEFUN(BASH_SYS_JOB_CONTROL_MISSING,
+[AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
+AC_MSG_CHECKING(for presence of necessary job control definitions)
+AC_CACHE_VAL(bash_cv_job_control_missing,
+[AC_TRY_RUN([
+#include <sys/types.h>
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <signal.h>
+
+/* Add more tests in here as appropriate. */
+main()
+{
+/* signal type */
+#if !defined (HAVE_POSIX_SIGNALS) && !defined (HAVE_BSD_SIGNALS)
+exit(1);
+#endif
+
+/* signals and tty control. */
+#if !defined (SIGTSTP) || !defined (SIGSTOP) || !defined (SIGCONT)
+exit (1);
+#endif
+
+/* process control */
+#if !defined (WNOHANG) || !defined (WUNTRACED)
+exit(1);
+#endif
+
+/* Posix systems have tcgetpgrp and waitpid. */
+#if defined (_POSIX_VERSION) && !defined (HAVE_TCGETPGRP)
+exit(1);
+#endif
+
+#if defined (_POSIX_VERSION) && !defined (HAVE_WAITPID)
+exit(1);
+#endif
+
+/* Other systems have TIOCSPGRP/TIOCGPRGP and wait3. */
+#if !defined (_POSIX_VERSION) && !defined (HAVE_WAIT3)
+exit(1);
+#endif
+
+exit(0);
+}], bash_cv_job_control_missing=present, bash_cv_job_control_missing=missing,
+ [AC_MSG_WARN(cannot check job control if cross-compiling -- defaulting to missing)
+ bash_cv_job_control_missing=missing]
+)])
+AC_MSG_RESULT($bash_cv_job_control_missing)
+if test $bash_cv_job_control_missing = missing; then
+AC_DEFINE(JOB_CONTROL_MISSING)
+fi
+])
+
+dnl check whether named pipes are present
+dnl this requires a previous check for mkfifo, but that is awkward to specify
+AC_DEFUN(BASH_SYS_NAMED_PIPES,
+[AC_MSG_CHECKING(for presence of named pipes)
+AC_CACHE_VAL(bash_cv_sys_named_pipes,
+[AC_TRY_RUN([
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+/* Add more tests in here as appropriate. */
+main()
+{
+int fd, err;
+
+#if defined (HAVE_MKFIFO)
+exit (0);
+#endif
+
+#if !defined (S_IFIFO) && (defined (_POSIX_VERSION) && !defined (S_ISFIFO))
+exit (1);
+#endif
+
+#if defined (NeXT)
+exit (1);
+#endif
+err = mkdir("bash-aclocal", 0700);
+if (err < 0) {
+ perror ("mkdir");
+ exit(1);
+}
+fd = mknod ("bash-aclocal/sh-np-autoconf", 0666 | S_IFIFO, 0);
+if (fd == -1) {
+ rmdir ("bash-aclocal");
+ exit (1);
+}
+close(fd);
+unlink ("bash-aclocal/sh-np-autoconf");
+rmdir ("bash-aclocal");
+exit(0);
+}], bash_cv_sys_named_pipes=present, bash_cv_sys_named_pipes=missing,
+ [AC_MSG_WARN(cannot check for named pipes if cross-compiling -- defaulting to missing)
+ bash_cv_sys_named_pipes=missing]
+)])
+AC_MSG_RESULT($bash_cv_sys_named_pipes)
+if test $bash_cv_sys_named_pipes = missing; then
+AC_DEFINE(NAMED_PIPES_MISSING)
+fi
+])
+
+AC_DEFUN(BASH_SYS_DEFAULT_MAIL_DIR,
+[AC_MSG_CHECKING(for default mail directory)
+AC_CACHE_VAL(bash_cv_mail_dir,
+[if test -d /var/mail; then
+ bash_cv_mail_dir=/var/mail
+ elif test -d /var/spool/mail; then
+ bash_cv_mail_dir=/var/spool/mail
+ elif test -d /usr/mail; then
+ bash_cv_mail_dir=/usr/mail
+ elif test -d /usr/spool/mail; then
+ bash_cv_mail_dir=/usr/spool/mail
+ else
+ bash_cv_mail_dir=unknown
+ fi
+])
+AC_MSG_RESULT($bash_cv_mail_dir)
+AC_DEFINE_UNQUOTED(DEFAULT_MAIL_DIRECTORY, "$bash_cv_mail_dir")
+])
+
+AC_DEFUN(BASH_HAVE_TIOCGWINSZ,
+[AC_MSG_CHECKING(for TIOCGWINSZ in sys/ioctl.h)
+AC_CACHE_VAL(bash_cv_tiocgwinsz_in_ioctl,
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/ioctl.h>], [int x = TIOCGWINSZ;],
+ bash_cv_tiocgwinsz_in_ioctl=yes,bash_cv_tiocgwinsz_in_ioctl=no)])
+AC_MSG_RESULT($bash_cv_tiocgwinsz_in_ioctl)
+if test $bash_cv_tiocgwinsz_in_ioctl = yes; then
+AC_DEFINE(GWINSZ_IN_SYS_IOCTL)
+fi
+])
+
+AC_DEFUN(BASH_HAVE_TIOCSTAT,
+[AC_MSG_CHECKING(for TIOCSTAT in sys/ioctl.h)
+AC_CACHE_VAL(bash_cv_tiocstat_in_ioctl,
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/ioctl.h>], [int x = TIOCSTAT;],
+ bash_cv_tiocstat_in_ioctl=yes,bash_cv_tiocstat_in_ioctl=no)])
+AC_MSG_RESULT($bash_cv_tiocstat_in_ioctl)
+if test $bash_cv_tiocstat_in_ioctl = yes; then
+AC_DEFINE(TIOCSTAT_IN_SYS_IOCTL)
+fi
+])
+
+AC_DEFUN(BASH_HAVE_FIONREAD,
+[AC_MSG_CHECKING(for FIONREAD in sys/ioctl.h)
+AC_CACHE_VAL(bash_cv_fionread_in_ioctl,
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/ioctl.h>], [int x = FIONREAD;],
+ bash_cv_fionread_in_ioctl=yes,bash_cv_fionread_in_ioctl=no)])
+AC_MSG_RESULT($bash_cv_fionread_in_ioctl)
+if test $bash_cv_fionread_in_ioctl = yes; then
+AC_DEFINE(FIONREAD_IN_SYS_IOCTL)
+fi
+])
+
+dnl
+dnl See if speed_t is declared in <sys/types.h>. Some versions of linux
+dnl require a definition of speed_t each time <termcap.h> is included,
+dnl but you can only get speed_t if you include <termios.h> (on some
+dnl versions) or <sys/types.h> (on others).
+dnl
+AC_DEFUN(BASH_CHECK_SPEED_T,
+[AC_MSG_CHECKING(for speed_t in sys/types.h)
+AC_CACHE_VAL(bash_cv_speed_t_in_sys_types,
+[AC_TRY_COMPILE([#include <sys/types.h>], [speed_t x;],
+ bash_cv_speed_t_in_sys_types=yes,bash_cv_speed_t_in_sys_types=no)])
+AC_MSG_RESULT($bash_cv_speed_t_in_sys_types)
+if test $bash_cv_speed_t_in_sys_types = yes; then
+AC_DEFINE(SPEED_T_IN_SYS_TYPES)
+fi
+])
+
+AC_DEFUN(BASH_CHECK_GETPW_FUNCS,
+[AC_MSG_CHECKING(whether getpw functions are declared in pwd.h)
+AC_CACHE_VAL(bash_cv_getpw_declared,
+[AC_EGREP_CPP(getpwuid,
+[
+#include <sys/types.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#include <pwd.h>
+],
+bash_cv_getpw_declared=yes,bash_cv_getpw_declared=no)])
+AC_MSG_RESULT($bash_cv_getpw_declared)
+if test $bash_cv_getpw_declared = yes; then
+AC_DEFINE(HAVE_GETPW_DECLS)
+fi
+])
+
+AC_DEFUN(BASH_CHECK_DEV_FD,
+[AC_MSG_CHECKING(whether /dev/fd is available)
+AC_CACHE_VAL(bash_cv_dev_fd,
+[bash_cv_dev_fd=""
+if test -d /dev/fd && (exec test -r /dev/fd/0 < /dev/null) ; then
+# check for systems like FreeBSD 5 that only provide /dev/fd/[012]
+ if (exec test -r /dev/fd/3 3</dev/null) ; then
+ bash_cv_dev_fd=standard
+ else
+ bash_cv_dev_fd=absent
+ fi
+fi
+if test -z "$bash_cv_dev_fd" ; then
+ if test -d /proc/self/fd && (exec test -r /proc/self/fd/0 < /dev/null) ; then
+ bash_cv_dev_fd=whacky
+ else
+ bash_cv_dev_fd=absent
+ fi
+fi
+])
+AC_MSG_RESULT($bash_cv_dev_fd)
+if test $bash_cv_dev_fd = "standard"; then
+ AC_DEFINE(HAVE_DEV_FD)
+ AC_DEFINE(DEV_FD_PREFIX, "/dev/fd/")
+elif test $bash_cv_dev_fd = "whacky"; then
+ AC_DEFINE(HAVE_DEV_FD)
+ AC_DEFINE(DEV_FD_PREFIX, "/proc/self/fd/")
+fi
+])
+
+AC_DEFUN(BASH_CHECK_DEV_STDIN,
+[AC_MSG_CHECKING(whether /dev/stdin stdout stderr are available)
+AC_CACHE_VAL(bash_cv_dev_stdin,
+[if test -d /dev/fd && (exec test -r /dev/stdin < /dev/null) ; then
+ bash_cv_dev_stdin=present
+ elif test -d /proc/self/fd && (exec test -r /dev/stdin < /dev/null) ; then
+ bash_cv_dev_stdin=present
+ else
+ bash_cv_dev_stdin=absent
+ fi
+])
+AC_MSG_RESULT($bash_cv_dev_stdin)
+if test $bash_cv_dev_stdin = "present"; then
+ AC_DEFINE(HAVE_DEV_STDIN)
+fi
+])
+
+dnl
+dnl Check if HPUX needs _KERNEL defined for RLIMIT_* definitions
+dnl
+AC_DEFUN(BASH_CHECK_KERNEL_RLIMIT,
+[AC_MSG_CHECKING([whether $host_os needs _KERNEL for RLIMIT defines])
+AC_CACHE_VAL(bash_cv_kernel_rlimit,
+[AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <sys/resource.h>
+],
+[
+ int f;
+ f = RLIMIT_DATA;
+], bash_cv_kernel_rlimit=no,
+[AC_TRY_COMPILE([
+#include <sys/types.h>
+#define _KERNEL
+#include <sys/resource.h>
+#undef _KERNEL
+],
+[
+ int f;
+ f = RLIMIT_DATA;
+], bash_cv_kernel_rlimit=yes, bash_cv_kernel_rlimit=no)]
+)])
+AC_MSG_RESULT($bash_cv_kernel_rlimit)
+if test $bash_cv_kernel_rlimit = yes; then
+AC_DEFINE(RLIMIT_NEEDS_KERNEL)
+fi
+])
+
+dnl
+dnl Check for 64-bit off_t -- used for malloc alignment
+dnl
+dnl C does not allow duplicate case labels, so the compile will fail if
+dnl sizeof(off_t) is > 4.
+dnl
+AC_DEFUN(BASH_CHECK_OFF_T_64,
+[AC_CACHE_CHECK(for 64-bit off_t, bash_cv_off_t_64,
+AC_TRY_COMPILE([
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+],[
+switch (0) case 0: case (sizeof (off_t) <= 4):;
+], bash_cv_off_t_64=no, bash_cv_off_t_64=yes))
+if test $bash_cv_off_t_64 = yes; then
+ AC_DEFINE(HAVE_OFF_T_64)
+fi])
+
+AC_DEFUN(BASH_CHECK_RTSIGS,
+[AC_MSG_CHECKING(for unusable real-time signals due to large values)
+AC_CACHE_VAL(bash_cv_unusable_rtsigs,
+[AC_TRY_RUN([
+#include <sys/types.h>
+#include <signal.h>
+
+#ifndef NSIG
+# define NSIG 64
+#endif
+
+main ()
+{
+ int n_sigs = 2 * NSIG;
+#ifdef SIGRTMIN
+ int rtmin = SIGRTMIN;
+#else
+ int rtmin = 0;
+#endif
+
+ exit(rtmin < n_sigs);
+}], bash_cv_unusable_rtsigs=yes, bash_cv_unusable_rtsigs=no,
+ [AC_MSG_WARN(cannot check real-time signals if cross compiling -- defaulting to yes)
+ bash_cv_unusable_rtsigs=yes]
+)])
+AC_MSG_RESULT($bash_cv_unusable_rtsigs)
+if test $bash_cv_unusable_rtsigs = yes; then
+AC_DEFINE(UNUSABLE_RT_SIGNALS)
+fi
+])
+
+dnl
+dnl check for availability of multibyte characters and functions
+dnl
+dnl geez, I wish I didn't have to check for all of this stuff separately
+dnl
+AC_DEFUN(BASH_CHECK_MULTIBYTE,
+[
+AC_CHECK_HEADERS(wctype.h)
+AC_CHECK_HEADERS(wchar.h)
+AC_CHECK_HEADERS(langinfo.h)
+
+AC_CHECK_FUNC(mbrlen, AC_DEFINE(HAVE_MBRLEN))
+AC_CHECK_FUNC(mbscmp, AC_DEFINE(HAVE_MBSCMP))
+AC_CHECK_FUNC(mbsrtowcs, AC_DEFINE(HAVE_MBSRTOWCS))
+
+AC_REPLACE_FUNCS(mbschr)
+
+AC_CHECK_FUNC(wcrtomb, AC_DEFINE(HAVE_WCRTOMB))
+AC_CHECK_FUNC(wcscoll, AC_DEFINE(HAVE_WCSCOLL))
+AC_CHECK_FUNC(wcsdup, AC_DEFINE(HAVE_WCSDUP))
+AC_CHECK_FUNC(wcwidth, AC_DEFINE(HAVE_WCWIDTH))
+AC_CHECK_FUNC(wctype, AC_DEFINE(HAVE_WCTYPE))
+
+dnl checks for both mbrtowc and mbstate_t
+AC_FUNC_MBRTOWC
+if test $ac_cv_func_mbrtowc = yes; then
+ AC_DEFINE(HAVE_MBSTATE_T)
+fi
+
+AC_CHECK_FUNCS(iswlower iswupper towlower towupper iswctype)
+
+AC_CACHE_CHECK([for nl_langinfo and CODESET], bash_cv_langinfo_codeset,
+[AC_TRY_LINK(
+[#include <langinfo.h>],
+[char* cs = nl_langinfo(CODESET);],
+bash_cv_langinfo_codeset=yes, bash_cv_langinfo_codeset=no)])
+if test $bash_cv_langinfo_codeset = yes; then
+ AC_DEFINE(HAVE_LANGINFO_CODESET)
+fi
+
+dnl check for wchar_t in <wchar.h>
+AC_CACHE_CHECK([for wchar_t in wchar.h], bash_cv_type_wchar_t,
+[AC_TRY_COMPILE(
+[#include <wchar.h>
+],
+[
+ wchar_t foo;
+ foo = 0;
+], bash_cv_type_wchar_t=yes, bash_cv_type_wchar_t=no)])
+if test $bash_cv_type_wchar_t = yes; then
+ AC_DEFINE(HAVE_WCHAR_T, 1, [systems should define this type here])
+fi
+
+dnl check for wctype_t in <wctype.h>
+AC_CACHE_CHECK([for wctype_t in wctype.h], bash_cv_type_wctype_t,
+[AC_TRY_COMPILE(
+[#include <wctype.h>],
+[
+ wctype_t foo;
+ foo = 0;
+], bash_cv_type_wctype_t=yes, bash_cv_type_wctype_t=no)])
+if test $bash_cv_type_wctype_t = yes; then
+ AC_DEFINE(HAVE_WCTYPE_T, 1, [systems should define this type here])
+fi
+
+dnl check for wint_t in <wctype.h>
+AC_CACHE_CHECK([for wint_t in wctype.h], bash_cv_type_wint_t,
+[AC_TRY_COMPILE(
+[#include <wctype.h>],
+[
+ wint_t foo;
+ foo = 0;
+], bash_cv_type_wint_t=yes, bash_cv_type_wint_t=no)])
+if test $bash_cv_type_wint_t = yes; then
+ AC_DEFINE(HAVE_WINT_T, 1, [systems should define this type here])
+fi
+
+])
+
+dnl need: prefix exec_prefix libdir includedir CC TERMCAP_LIB
+dnl require:
+dnl AC_PROG_CC
+dnl BASH_CHECK_LIB_TERMCAP
+
+AC_DEFUN([RL_LIB_READLINE_VERSION],
+[
+AC_REQUIRE([BASH_CHECK_LIB_TERMCAP])
+
+AC_MSG_CHECKING([version of installed readline library])
+
+# What a pain in the ass this is.
+
+# save cpp and ld options
+_save_CFLAGS="$CFLAGS"
+_save_LDFLAGS="$LDFLAGS"
+_save_LIBS="$LIBS"
+
+# Don't set ac_cv_rl_prefix if the caller has already assigned a value. This
+# allows the caller to do something like $_rl_prefix=$withval if the user
+# specifies --with-installed-readline=PREFIX as an argument to configure
+
+if test -z "$ac_cv_rl_prefix"; then
+test "x$prefix" = xNONE && ac_cv_rl_prefix=$ac_default_prefix || ac_cv_rl_prefix=${prefix}
+fi
+
+eval ac_cv_rl_includedir=${ac_cv_rl_prefix}/include
+eval ac_cv_rl_libdir=${ac_cv_rl_prefix}/lib
+
+LIBS="$LIBS -lreadline ${TERMCAP_LIB}"
+CFLAGS="$CFLAGS -I${ac_cv_rl_includedir}"
+LDFLAGS="$LDFLAGS -L${ac_cv_rl_libdir}"
+
+AC_CACHE_VAL(ac_cv_rl_version,
+[AC_TRY_RUN([
+#include <stdio.h>
+#include <readline/readline.h>
+
+extern int rl_gnu_readline_p;
+
+main()
+{
+ FILE *fp;
+ fp = fopen("conftest.rlv", "w");
+ if (fp == 0)
+ exit(1);
+ if (rl_gnu_readline_p != 1)
+ fprintf(fp, "0.0\n");
+ else
+ fprintf(fp, "%s\n", rl_library_version ? rl_library_version : "0.0");
+ fclose(fp);
+ exit(0);
+}
+],
+ac_cv_rl_version=`cat conftest.rlv`,
+ac_cv_rl_version='0.0',
+ac_cv_rl_version='4.2')])
+
+CFLAGS="$_save_CFLAGS"
+LDFLAGS="$_save_LDFLAGS"
+LIBS="$_save_LIBS"
+
+RL_MAJOR=0
+RL_MINOR=0
+
+# (
+case "$ac_cv_rl_version" in
+2*|3*|4*|5*|6*|7*|8*|9*)
+ RL_MAJOR=`echo $ac_cv_rl_version | sed 's:\..*$::'`
+ RL_MINOR=`echo $ac_cv_rl_version | sed -e 's:^.*\.::' -e 's:[[a-zA-Z]]*$::'`
+ ;;
+esac
+
+# (((
+case $RL_MAJOR in
+[[0-9][0-9]]) _RL_MAJOR=$RL_MAJOR ;;
+[[0-9]]) _RL_MAJOR=0$RL_MAJOR ;;
+*) _RL_MAJOR=00 ;;
+esac
+
+# (((
+case $RL_MINOR in
+[[0-9][0-9]]) _RL_MINOR=$RL_MINOR ;;
+[[0-9]]) _RL_MINOR=0$RL_MINOR ;;
+*) _RL_MINOR=00 ;;
+esac
+
+RL_VERSION="0x${_RL_MAJOR}${_RL_MINOR}"
+
+# Readline versions greater than 4.2 have these defines in readline.h
+
+if test $ac_cv_rl_version = '0.0' ; then
+ AC_MSG_WARN([Could not test version of installed readline library.])
+elif test $RL_MAJOR -gt 4 || { test $RL_MAJOR = 4 && test $RL_MINOR -gt 2 ; } ; then
+ # set these for use by the caller
+ RL_PREFIX=$ac_cv_rl_prefix
+ RL_LIBDIR=$ac_cv_rl_libdir
+ RL_INCLUDEDIR=$ac_cv_rl_includedir
+ AC_MSG_RESULT($ac_cv_rl_version)
+else
+
+AC_DEFINE_UNQUOTED(RL_READLINE_VERSION, $RL_VERSION, [encoded version of the installed readline library])
+AC_DEFINE_UNQUOTED(RL_VERSION_MAJOR, $RL_MAJOR, [major version of installed readline library])
+AC_DEFINE_UNQUOTED(RL_VERSION_MINOR, $RL_MINOR, [minor version of installed readline library])
+
+AC_SUBST(RL_VERSION)
+AC_SUBST(RL_MAJOR)
+AC_SUBST(RL_MINOR)
+
+# set these for use by the caller
+RL_PREFIX=$ac_cv_rl_prefix
+RL_LIBDIR=$ac_cv_rl_libdir
+RL_INCLUDEDIR=$ac_cv_rl_includedir
+
+AC_MSG_RESULT($ac_cv_rl_version)
+
+fi
+])
+
+AC_DEFUN(BASH_FUNC_CTYPE_NONASCII,
+[
+AC_MSG_CHECKING(whether the ctype macros accept non-ascii characters)
+AC_CACHE_VAL(bash_cv_func_ctype_nonascii,
+[AC_TRY_RUN([
+#ifdef HAVE_LOCALE_H
+#include <locale.h>
+#endif
+#include <stdio.h>
+#include <ctype.h>
+
+main(c, v)
+int c;
+char *v[];
+{
+ char *deflocale;
+ unsigned char x;
+ int r1, r2;
+
+#ifdef HAVE_SETLOCALE
+ /* We take a shot here. If that locale is not known, try the
+ system default. We try this one because '\342' (226) is
+ known to be a printable character in that locale. */
+ deflocale = setlocale(LC_ALL, "en_US.ISO8859-1");
+ if (deflocale == 0)
+ deflocale = setlocale(LC_ALL, "");
+#endif
+
+ x = '\342';
+ r1 = isprint(x);
+ x -= 128;
+ r2 = isprint(x);
+ exit (r1 == 0 || r2 == 0);
+}
+], bash_cv_func_ctype_nonascii=yes, bash_cv_func_ctype_nonascii=no,
+ [AC_MSG_WARN(cannot check ctype macros if cross compiling -- defaulting to no)
+ bash_cv_func_ctype_nonascii=no]
+)])
+AC_MSG_RESULT($bash_cv_func_ctype_nonascii)
+if test $bash_cv_func_ctype_nonascii = yes; then
+AC_DEFINE(CTYPE_NON_ASCII)
+fi
+])
+
+AC_DEFUN(BASH_CHECK_WCONTINUED,
+[
+AC_MSG_CHECKING(whether WCONTINUED flag to waitpid is unavailable or available but broken)
+AC_CACHE_VAL(bash_cv_wcontinued_broken,
+[AC_TRY_RUN([
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <errno.h>
+
+#ifndef errno
+extern int errno;
+#endif
+main()
+{
+ int x;
+
+ x = waitpid(-1, (int *)0, WNOHANG|WCONTINUED);
+ if (x == -1 && errno == EINVAL)
+ exit (1);
+ else
+ exit (0);
+}
+], bash_cv_wcontinued_broken=no,bash_cv_wcontinued_broken=yes,
+ [AC_MSG_WARN(cannot check WCONTINUED if cross compiling -- defaulting to no)
+ bash_cv_wcontinued_broken=no]
+)])
+AC_MSG_RESULT($bash_cv_wcontinued_broken)
+if test $bash_cv_wcontinued_broken = yes; then
+AC_DEFINE(WCONTINUED_BROKEN)
+fi
+])
+
+dnl
+dnl tests added for bashdb
+dnl
+
+
+AC_DEFUN([AM_PATH_LISPDIR],
+ [AC_ARG_WITH(lispdir, AC_HELP_STRING([--with-lispdir], [override the default lisp directory]),
+ [ lispdir="$withval"
+ AC_MSG_CHECKING([where .elc files should go])
+ AC_MSG_RESULT([$lispdir])],
+ [
+ # If set to t, that means we are running in a shell under Emacs.
+ # If you have an Emacs named "t", then use the full path.
+ test x"$EMACS" = xt && EMACS=
+ AC_CHECK_PROGS(EMACS, emacs xemacs, no)
+ if test $EMACS != "no"; then
+ if test x${lispdir+set} != xset; then
+ AC_CACHE_CHECK([where .elc files should go], [am_cv_lispdir], [dnl
+ am_cv_lispdir=`$EMACS -batch -q -eval '(while load-path (princ (concat (car load-path) "\n")) (setq load-path (cdr load-path)))' | sed -n -e 's,/$,,' -e '/.*\/lib\/\(x\?emacs\/site-lisp\)$/{s,,${libdir}/\1,;p;q;}' -e '/.*\/share\/\(x\?emacs\/site-lisp\)$/{s,,${datadir}/\1,;p;q;}'`
+ if test -z "$am_cv_lispdir"; then
+ am_cv_lispdir='${datadir}/emacs/site-lisp'
+ fi
+ ])
+ lispdir="$am_cv_lispdir"
+ fi
+ fi
+ ])
+ AC_SUBST(lispdir)
+])
+
+dnl
+dnl tests added for gettext
+dnl
+# codeset.m4 serial AM1 (gettext-0.10.40)
+dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+AC_DEFUN([AM_LANGINFO_CODESET],
+[
+ AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
+ [AC_TRY_LINK([#include <langinfo.h>],
+ [char* cs = nl_langinfo(CODESET);],
+ am_cv_langinfo_codeset=yes,
+ am_cv_langinfo_codeset=no)
+ ])
+ if test $am_cv_langinfo_codeset = yes; then
+ AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
+ [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
+ fi
+])
+# gettext.m4 serial 20 (gettext-0.12)
+dnl Copyright (C) 1995-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+dnl
+dnl This file can can be used in projects which are not available under
+dnl the GNU General Public License or the GNU Library General Public
+dnl License but which still want to provide support for the GNU gettext
+dnl functionality.
+dnl Please note that the actual code of the GNU gettext library is covered
+dnl by the GNU Library General Public License, and the rest of the GNU
+dnl gettext package package is covered by the GNU General Public License.
+dnl They are *not* in the public domain.
+
+dnl Authors:
+dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
+dnl Bruno Haible <haible@clisp.cons.org>, 2000-2003.
+
+dnl Macro to add for using GNU gettext.
+
+dnl Usage: AM_GNU_GETTEXT([INTLSYMBOL], [NEEDSYMBOL], [INTLDIR]).
+dnl INTLSYMBOL can be one of 'external', 'no-libtool', 'use-libtool'. The
+dnl default (if it is not specified or empty) is 'no-libtool'.
+dnl INTLSYMBOL should be 'external' for packages with no intl directory,
+dnl and 'no-libtool' or 'use-libtool' for packages with an intl directory.
+dnl If INTLSYMBOL is 'use-libtool', then a libtool library
+dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static,
+dnl depending on --{enable,disable}-{shared,static} and on the presence of
+dnl AM-DISABLE-SHARED). If INTLSYMBOL is 'no-libtool', a static library
+dnl $(top_builddir)/intl/libintl.a will be created.
+dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext
+dnl implementations (in libc or libintl) without the ngettext() function
+dnl will be ignored. If NEEDSYMBOL is specified and is
+dnl 'need-formatstring-macros', then GNU gettext implementations that don't
+dnl support the ISO C 99 <inttypes.h> formatstring macros will be ignored.
+dnl INTLDIR is used to find the intl libraries. If empty,
+dnl the value `$(top_builddir)/intl/' is used.
+dnl
+dnl The result of the configuration is one of three cases:
+dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled
+dnl and used.
+dnl Catalog format: GNU --> install in $(datadir)
+dnl Catalog extension: .mo after installation, .gmo in source tree
+dnl 2) GNU gettext has been found in the system's C library.
+dnl Catalog format: GNU --> install in $(datadir)
+dnl Catalog extension: .mo after installation, .gmo in source tree
+dnl 3) No internationalization, always use English msgid.
+dnl Catalog format: none
+dnl Catalog extension: none
+dnl If INTLSYMBOL is 'external', only cases 2 and 3 can occur.
+dnl The use of .gmo is historical (it was needed to avoid overwriting the
+dnl GNU format catalogs when building on a platform with an X/Open gettext),
+dnl but we keep it in order not to force irrelevant filename changes on the
+dnl maintainers.
+dnl
+AC_DEFUN([AM_GNU_GETTEXT],
+[
+ dnl Argument checking.
+ ifelse([$1], [], , [ifelse([$1], [external], , [ifelse([$1], [no-libtool], , [ifelse([$1], [use-libtool], ,
+ [errprint([ERROR: invalid first argument to AM_GNU_GETTEXT
+])])])])])
+ ifelse([$2], [], , [ifelse([$2], [need-ngettext], , [ifelse([$2], [need-formatstring-macros], ,
+ [errprint([ERROR: invalid second argument to AM_GNU_GETTEXT
+])])])])
+ define(gt_included_intl, ifelse([$1], [external], [no], [yes]))
+ define(gt_libtool_suffix_prefix, ifelse([$1], [use-libtool], [l], []))
+
+ AC_REQUIRE([AM_PO_SUBDIRS])dnl
+ ifelse(gt_included_intl, yes, [
+ AC_REQUIRE([AM_INTL_SUBDIR])dnl
+ ])
+
+ dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
+ AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+ AC_REQUIRE([AC_LIB_RPATH])
+
+ dnl Sometimes libintl requires libiconv, so first search for libiconv.
+ dnl Ideally we would do this search only after the
+ dnl if test "$USE_NLS" = "yes"; then
+ dnl if test "$gt_cv_func_gnugettext_libc" != "yes"; then
+ dnl tests. But if configure.in invokes AM_ICONV after AM_GNU_GETTEXT
+ dnl the configure script would need to contain the same shell code
+ dnl again, outside any 'if'. There are two solutions:
+ dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'.
+ dnl - Control the expansions in more detail using AC_PROVIDE_IFELSE.
+ dnl Since AC_PROVIDE_IFELSE is only in autoconf >= 2.52 and not
+ dnl documented, we avoid it.
+ ifelse(gt_included_intl, yes, , [
+ AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
+ ])
+
+ dnl Set USE_NLS.
+ AM_NLS
+
+ ifelse(gt_included_intl, yes, [
+ BUILD_INCLUDED_LIBINTL=no
+ USE_INCLUDED_LIBINTL=no
+ ])
+ LIBINTL=
+ LTLIBINTL=
+ POSUB=
+
+ dnl If we use NLS figure out what method
+ if test "$USE_NLS" = "yes"; then
+ gt_use_preinstalled_gnugettext=no
+ ifelse(gt_included_intl, yes, [
+ AC_MSG_CHECKING([whether included gettext is requested])
+ AC_ARG_WITH(included-gettext,
+ [ --with-included-gettext use the GNU gettext library included here],
+ nls_cv_force_use_gnu_gettext=$withval,
+ nls_cv_force_use_gnu_gettext=no)
+ AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
+
+ nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
+ if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
+ ])
+ dnl User does not insist on using GNU NLS library. Figure out what
+ dnl to use. If GNU gettext is available we use this. Else we have
+ dnl to fall back to GNU NLS library.
+
+ dnl Add a version number to the cache macros.
+ define([gt_api_version], ifelse([$2], [need-formatstring-macros], 3, ifelse([$2], [need-ngettext], 2, 1)))
+ define([gt_cv_func_gnugettext_libc], [gt_cv_func_gnugettext]gt_api_version[_libc])
+ define([gt_cv_func_gnugettext_libintl], [gt_cv_func_gnugettext]gt_api_version[_libintl])
+
+ AC_CACHE_CHECK([for GNU gettext in libc], gt_cv_func_gnugettext_libc,
+ [AC_TRY_LINK([#include <libintl.h>
+]ifelse([$2], [need-formatstring-macros],
+[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
+#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
+#endif
+changequote(,)dnl
+typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
+changequote([,])dnl
+], [])[extern int _nl_msg_cat_cntr;
+extern int *_nl_domain_bindings;],
+ [bindtextdomain ("", "");
+return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_domain_bindings],
+ gt_cv_func_gnugettext_libc=yes,
+ gt_cv_func_gnugettext_libc=no)])
+
+ if test "$gt_cv_func_gnugettext_libc" != "yes"; then
+ dnl Sometimes libintl requires libiconv, so first search for libiconv.
+ ifelse(gt_included_intl, yes, , [
+ AM_ICONV_LINK
+ ])
+ dnl Search for libintl and define LIBINTL, LTLIBINTL and INCINTL
+ dnl accordingly. Don't use AC_LIB_LINKFLAGS_BODY([intl],[iconv])
+ dnl because that would add "-liconv" to LIBINTL and LTLIBINTL
+ dnl even if libiconv doesn't exist.
+ AC_LIB_LINKFLAGS_BODY([intl])
+ AC_CACHE_CHECK([for GNU gettext in libintl],
+ gt_cv_func_gnugettext_libintl,
+ [gt_save_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $INCINTL"
+ gt_save_LIBS="$LIBS"
+ LIBS="$LIBS $LIBINTL"
+ dnl Now see whether libintl exists and does not depend on libiconv.
+ AC_TRY_LINK([#include <libintl.h>
+]ifelse([$2], [need-formatstring-macros],
+[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
+#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
+#endif
+changequote(,)dnl
+typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
+changequote([,])dnl
+], [])[extern int _nl_msg_cat_cntr;
+extern
+#ifdef __cplusplus
+"C"
+#endif
+const char *_nl_expand_alias ();],
+ [bindtextdomain ("", "");
+return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias (0)],
+ gt_cv_func_gnugettext_libintl=yes,
+ gt_cv_func_gnugettext_libintl=no)
+ dnl Now see whether libintl exists and depends on libiconv.
+ if test "$gt_cv_func_gnugettext_libintl" != yes && test -n "$LIBICONV"; then
+ LIBS="$LIBS $LIBICONV"
+ AC_TRY_LINK([#include <libintl.h>
+]ifelse([$2], [need-formatstring-macros],
+[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
+#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
+#endif
+changequote(,)dnl
+typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
+changequote([,])dnl
+], [])[extern int _nl_msg_cat_cntr;
+extern
+#ifdef __cplusplus
+"C"
+#endif
+const char *_nl_expand_alias ();],
+ [bindtextdomain ("", "");
+return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias (0)],
+ [LIBINTL="$LIBINTL $LIBICONV"
+ LTLIBINTL="$LTLIBINTL $LTLIBICONV"
+ gt_cv_func_gnugettext_libintl=yes
+ ])
+ fi
+ CPPFLAGS="$gt_save_CPPFLAGS"
+ LIBS="$gt_save_LIBS"])
+ fi
+
+ dnl If an already present or preinstalled GNU gettext() is found,
+ dnl use it. But if this macro is used in GNU gettext, and GNU
+ dnl gettext is already preinstalled in libintl, we update this
+ dnl libintl. (Cf. the install rule in intl/Makefile.in.)
+ if test "$gt_cv_func_gnugettext_libc" = "yes" \
+ || { test "$gt_cv_func_gnugettext_libintl" = "yes" \
+ && test "$PACKAGE" != gettext-runtime \
+ && test "$PACKAGE" != gettext-tools; }; then
+ gt_use_preinstalled_gnugettext=yes
+ else
+ dnl Reset the values set by searching for libintl.
+ LIBINTL=
+ LTLIBINTL=
+ INCINTL=
+ fi
+
+ ifelse(gt_included_intl, yes, [
+ if test "$gt_use_preinstalled_gnugettext" != "yes"; then
+ dnl GNU gettext is not found in the C library.
+ dnl Fall back on included GNU gettext library.
+ nls_cv_use_gnu_gettext=yes
+ fi
+ fi
+
+ if test "$nls_cv_use_gnu_gettext" = "yes"; then
+ dnl Mark actions used to generate GNU NLS library.
+ BUILD_INCLUDED_LIBINTL=yes
+ USE_INCLUDED_LIBINTL=yes
+ LIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LIBICONV"
+ LTLIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LTLIBICONV"
+ LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
+ fi
+
+ if test "$gt_use_preinstalled_gnugettext" = "yes" \
+ || test "$nls_cv_use_gnu_gettext" = "yes"; then
+ dnl Mark actions to use GNU gettext tools.
+ CATOBJEXT=.gmo
+ fi
+ ])
+
+ if test "$gt_use_preinstalled_gnugettext" = "yes" \
+ || test "$nls_cv_use_gnu_gettext" = "yes"; then
+ AC_DEFINE(ENABLE_NLS, 1,
+ [Define to 1 if translation of program messages to the user's native language
+ is requested.])
+ else
+ USE_NLS=no
+ fi
+ fi
+
+ AC_MSG_CHECKING([whether to use NLS])
+ AC_MSG_RESULT([$USE_NLS])
+ if test "$USE_NLS" = "yes"; then
+ AC_MSG_CHECKING([where the gettext function comes from])
+ if test "$gt_use_preinstalled_gnugettext" = "yes"; then
+ if test "$gt_cv_func_gnugettext_libintl" = "yes"; then
+ gt_source="external libintl"
+ else
+ gt_source="libc"
+ fi
+ else
+ gt_source="included intl directory"
+ fi
+ AC_MSG_RESULT([$gt_source])
+ fi
+
+ if test "$USE_NLS" = "yes"; then
+
+ if test "$gt_use_preinstalled_gnugettext" = "yes"; then
+ if test "$gt_cv_func_gnugettext_libintl" = "yes"; then
+ AC_MSG_CHECKING([how to link with libintl])
+ AC_MSG_RESULT([$LIBINTL])
+ AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCINTL])
+ fi
+
+ dnl For backward compatibility. Some packages may be using this.
+ AC_DEFINE(HAVE_GETTEXT, 1,
+ [Define if the GNU gettext() function is already present or preinstalled.])
+ AC_DEFINE(HAVE_DCGETTEXT, 1,
+ [Define if the GNU dcgettext() function is already present or preinstalled.])
+ fi
+
+ dnl We need to process the po/ directory.
+ POSUB=po
+ fi
+
+ ifelse(gt_included_intl, yes, [
+ dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL
+ dnl to 'yes' because some of the testsuite requires it.
+ if test "$PACKAGE" = gettext-runtime || test "$PACKAGE" = gettext-tools; then
+ BUILD_INCLUDED_LIBINTL=yes
+ fi
+
+ dnl Make all variables we use known to autoconf.
+ AC_SUBST(BUILD_INCLUDED_LIBINTL)
+ AC_SUBST(USE_INCLUDED_LIBINTL)
+ AC_SUBST(CATOBJEXT)
+
+ dnl For backward compatibility. Some configure.ins may be using this.
+ nls_cv_header_intl=
+ nls_cv_header_libgt=
+
+ dnl For backward compatibility. Some Makefiles may be using this.
+ DATADIRNAME=share
+ AC_SUBST(DATADIRNAME)
+
+ dnl For backward compatibility. Some Makefiles may be using this.
+ INSTOBJEXT=.mo
+ AC_SUBST(INSTOBJEXT)
+
+ dnl For backward compatibility. Some Makefiles may be using this.
+ GENCAT=gencat
+ AC_SUBST(GENCAT)
+
+ dnl For backward compatibility. Some Makefiles may be using this.
+ if test "$USE_INCLUDED_LIBINTL" = yes; then
+ INTLOBJS="\$(GETTOBJS)"
+ fi
+ AC_SUBST(INTLOBJS)
+
+ dnl Enable libtool support if the surrounding package wishes it.
+ INTL_LIBTOOL_SUFFIX_PREFIX=gt_libtool_suffix_prefix
+ AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX)
+ ])
+
+ dnl For backward compatibility. Some Makefiles may be using this.
+ INTLLIBS="$LIBINTL"
+ AC_SUBST(INTLLIBS)
+
+ dnl Make all documented variables known to autoconf.
+ AC_SUBST(LIBINTL)
+ AC_SUBST(LTLIBINTL)
+ AC_SUBST(POSUB)
+])
+
+
+dnl Checks for all prerequisites of the intl subdirectory,
+dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS,
+dnl USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL.
+AC_DEFUN([AM_INTL_SUBDIR],
+[
+ AC_REQUIRE([AC_PROG_INSTALL])dnl
+ AC_REQUIRE([AM_MKINSTALLDIRS])dnl
+ AC_REQUIRE([AC_PROG_CC])dnl
+ AC_REQUIRE([AC_CANONICAL_HOST])dnl
+ AC_REQUIRE([AC_PROG_RANLIB])dnl
+ AC_REQUIRE([AC_ISC_POSIX])dnl
+ AC_REQUIRE([AC_HEADER_STDC])dnl
+ AC_REQUIRE([AC_C_CONST])dnl
+ AC_REQUIRE([AC_C_INLINE])dnl
+ AC_REQUIRE([AC_TYPE_OFF_T])dnl
+ AC_REQUIRE([AC_TYPE_SIZE_T])dnl
+ AC_REQUIRE([AC_FUNC_ALLOCA])dnl
+ AC_REQUIRE([AC_FUNC_MMAP])dnl
+ AC_REQUIRE([jm_GLIBC21])dnl
+ AC_REQUIRE([gt_INTDIV0])dnl
+ AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])dnl
+ AC_REQUIRE([gt_HEADER_INTTYPES_H])dnl
+ AC_REQUIRE([gt_INTTYPES_PRI])dnl
+
+ AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \
+stdlib.h string.h unistd.h sys/param.h])
+ AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getc_unlocked getcwd getegid \
+geteuid getgid getuid mempcpy munmap putenv setenv setlocale localeconv stpcpy \
+strcasecmp strdup strtoul tsearch __argz_count __argz_stringify __argz_next \
+__fsetlocking])
+
+ AM_ICONV
+ AM_LANGINFO_CODESET
+ if test $ac_cv_header_locale_h = yes; then
+ AM_LC_MESSAGES
+ fi
+
+ dnl intl/plural.c is generated from intl/plural.y. It requires bison,
+ dnl because plural.y uses bison specific features. It requires at least
+ dnl bison-1.26 because earlier versions generate a plural.c that doesn't
+ dnl compile.
+ dnl bison is only needed for the maintainer (who touches plural.y). But in
+ dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
+ dnl the rule in general Makefile. Now, some people carelessly touch the
+ dnl files or have a broken "make" program, hence the plural.c rule will
+ dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
+ dnl present or too old.
+ AC_CHECK_PROGS([INTLBISON], [bison])
+ if test -z "$INTLBISON"; then
+ ac_verc_fail=yes
+ else
+ dnl Found it, now check the version.
+ AC_MSG_CHECKING([version of bison])
+changequote(<<,>>)dnl
+ ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
+ case $ac_prog_version in
+ '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
+ 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
+changequote([,])dnl
+ ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
+ *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
+ esac
+ AC_MSG_RESULT([$ac_prog_version])
+ fi
+ if test $ac_verc_fail = yes; then
+ INTLBISON=:
+ fi
+])
+
+
+dnl Usage: AM_GNU_GETTEXT_VERSION([gettext-version])
+AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])
+# glibc21.m4 serial 2 (fileutils-4.1.3, gettext-0.10.40)
+dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+# Test for the GNU C Library, version 2.1 or newer.
+# From Bruno Haible.
+
+AC_DEFUN([jm_GLIBC21],
+ [
+ AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
+ ac_cv_gnu_library_2_1,
+ [AC_EGREP_CPP([Lucky GNU user],
+ [
+#include <features.h>
+#ifdef __GNU_LIBRARY__
+ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
+ Lucky GNU user
+ #endif
+#endif
+ ],
+ ac_cv_gnu_library_2_1=yes,
+ ac_cv_gnu_library_2_1=no)
+ ]
+ )
+ AC_SUBST(GLIBC21)
+ GLIBC21="$ac_cv_gnu_library_2_1"
+ ]
+)
+# iconv.m4 serial AM4 (gettext-0.11.3)
+dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
+[
+ dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
+ AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+ AC_REQUIRE([AC_LIB_RPATH])
+
+ dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
+ dnl accordingly.
+ AC_LIB_LINKFLAGS_BODY([iconv])
+])
+
+AC_DEFUN([AM_ICONV_LINK],
+[
+ dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
+ dnl those with the standalone portable GNU libiconv installed).
+
+ dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
+ dnl accordingly.
+ AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
+
+ dnl Add $INCICONV to CPPFLAGS before performing the following checks,
+ dnl because if the user has installed libiconv and not disabled its use
+ dnl via --without-libiconv-prefix, he wants to use it. The first
+ dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed.
+ am_save_CPPFLAGS="$CPPFLAGS"
+ AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
+
+ AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
+ am_cv_func_iconv="no, consider installing GNU libiconv"
+ am_cv_lib_iconv=no
+ AC_TRY_LINK([#include <stdlib.h>
+#include <iconv.h>],
+ [iconv_t cd = iconv_open("","");
+ iconv(cd,NULL,NULL,NULL,NULL);
+ iconv_close(cd);],
+ am_cv_func_iconv=yes)
+ if test "$am_cv_func_iconv" != yes; then
+ am_save_LIBS="$LIBS"
+ LIBS="$LIBS $LIBICONV"
+ AC_TRY_LINK([#include <stdlib.h>
+#include <iconv.h>],
+ [iconv_t cd = iconv_open("","");
+ iconv(cd,NULL,NULL,NULL,NULL);
+ iconv_close(cd);],
+ am_cv_lib_iconv=yes
+ am_cv_func_iconv=yes)
+ LIBS="$am_save_LIBS"
+ fi
+ ])
+ if test "$am_cv_func_iconv" = yes; then
+ AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
+ fi
+ if test "$am_cv_lib_iconv" = yes; then
+ AC_MSG_CHECKING([how to link with libiconv])
+ AC_MSG_RESULT([$LIBICONV])
+ else
+ dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
+ dnl either.
+ CPPFLAGS="$am_save_CPPFLAGS"
+ LIBICONV=
+ LTLIBICONV=
+ fi
+ AC_SUBST(LIBICONV)
+ AC_SUBST(LTLIBICONV)
+])
+
+AC_DEFUN([AM_ICONV],
+[
+ AM_ICONV_LINK
+ if test "$am_cv_func_iconv" = yes; then
+ AC_MSG_CHECKING([for iconv declaration])
+ AC_CACHE_VAL(am_cv_proto_iconv, [
+ AC_TRY_COMPILE([
+#include <stdlib.h>
+#include <iconv.h>
+extern
+#ifdef __cplusplus
+"C"
+#endif
+#if defined(__STDC__) || defined(__cplusplus)
+size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
+#else
+size_t iconv();
+#endif
+], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
+ am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
+ am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
+ AC_MSG_RESULT([$]{ac_t:-
+ }[$]am_cv_proto_iconv)
+ AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
+ [Define as const if the declaration of iconv() needs const.])
+ fi
+])
+# intdiv0.m4 serial 1 (gettext-0.11.3)
+dnl Copyright (C) 2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+AC_DEFUN([gt_INTDIV0],
+[
+ AC_REQUIRE([AC_PROG_CC])dnl
+ AC_REQUIRE([AC_CANONICAL_HOST])dnl
+
+ AC_CACHE_CHECK([whether integer division by zero raises SIGFPE],
+ gt_cv_int_divbyzero_sigfpe,
+ [
+ AC_TRY_RUN([
+#include <stdlib.h>
+#include <signal.h>
+
+static void
+#ifdef __cplusplus
+sigfpe_handler (int sig)
+#else
+sigfpe_handler (sig) int sig;
+#endif
+{
+ /* Exit with code 0 if SIGFPE, with code 1 if any other signal. */
+ exit (sig != SIGFPE);
+}
+
+int x = 1;
+int y = 0;
+int z;
+int nan;
+
+int main ()
+{
+ signal (SIGFPE, sigfpe_handler);
+/* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP. */
+#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP)
+ signal (SIGTRAP, sigfpe_handler);
+#endif
+/* Linux/SPARC yields signal SIGILL. */
+#if defined (__sparc__) && defined (__linux__)
+ signal (SIGILL, sigfpe_handler);
+#endif
+
+ z = x / y;
+ nan = y / y;
+ exit (1);
+}
+], gt_cv_int_divbyzero_sigfpe=yes, gt_cv_int_divbyzero_sigfpe=no,
+ [
+ # Guess based on the CPU.
+ case "$host_cpu" in
+ alpha* | i[34567]86 | m68k | s390*)
+ gt_cv_int_divbyzero_sigfpe="guessing yes";;
+ *)
+ gt_cv_int_divbyzero_sigfpe="guessing no";;
+ esac
+ ])
+ ])
+ case "$gt_cv_int_divbyzero_sigfpe" in
+ *yes) value=1;;
+ *) value=0;;
+ esac
+ AC_DEFINE_UNQUOTED(INTDIV0_RAISES_SIGFPE, $value,
+ [Define if integer division by zero raises signal SIGFPE.])
+])
+# inttypes.m4 serial 1 (gettext-0.11.4)
+dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+# Define HAVE_INTTYPES_H if <inttypes.h> exists and doesn't clash with
+# <sys/types.h>.
+
+AC_DEFUN([gt_HEADER_INTTYPES_H],
+[
+ AC_CACHE_CHECK([for inttypes.h], gt_cv_header_inttypes_h,
+ [
+ AC_TRY_COMPILE(
+ [#include <sys/types.h>
+#include <inttypes.h>],
+ [], gt_cv_header_inttypes_h=yes, gt_cv_header_inttypes_h=no)
+ ])
+ if test $gt_cv_header_inttypes_h = yes; then
+ AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H, 1,
+ [Define if <inttypes.h> exists and doesn't clash with <sys/types.h>.])
+ fi
+])
+# inttypes_h.m4 serial 5 (gettext-0.12)
+dnl Copyright (C) 1997-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
+# doesn't clash with <sys/types.h>, and declares uintmax_t.
+
+AC_DEFUN([jm_AC_HEADER_INTTYPES_H],
+[
+ AC_CACHE_CHECK([for inttypes.h], jm_ac_cv_header_inttypes_h,
+ [AC_TRY_COMPILE(
+ [#include <sys/types.h>
+#include <inttypes.h>],
+ [uintmax_t i = (uintmax_t) -1;],
+ jm_ac_cv_header_inttypes_h=yes,
+ jm_ac_cv_header_inttypes_h=no)])
+ if test $jm_ac_cv_header_inttypes_h = yes; then
+ AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1,
+ [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
+ and declares uintmax_t. ])
+ fi
+])
+# inttypes-pri.m4 serial 1 (gettext-0.11.4)
+dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+# Define PRI_MACROS_BROKEN if <inttypes.h> exists and defines the PRI*
+# macros to non-string values. This is the case on AIX 4.3.3.
+
+AC_DEFUN([gt_INTTYPES_PRI],
+[
+ AC_REQUIRE([gt_HEADER_INTTYPES_H])
+ if test $gt_cv_header_inttypes_h = yes; then
+ AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken],
+ gt_cv_inttypes_pri_broken,
+ [
+ AC_TRY_COMPILE([#include <inttypes.h>
+#ifdef PRId32
+char *p = PRId32;
+#endif
+], [], gt_cv_inttypes_pri_broken=no, gt_cv_inttypes_pri_broken=yes)
+ ])
+ fi
+ if test "$gt_cv_inttypes_pri_broken" = yes; then
+ AC_DEFINE_UNQUOTED(PRI_MACROS_BROKEN, 1,
+ [Define if <inttypes.h> exists and defines unusable PRI* macros.])
+ fi
+])
+# isc-posix.m4 serial 2 (gettext-0.11.2)
+dnl Copyright (C) 1995-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+# This file is not needed with autoconf-2.53 and newer. Remove it in 2005.
+
+# This test replaces the one in autoconf.
+# Currently this macro should have the same name as the autoconf macro
+# because gettext's gettext.m4 (distributed in the automake package)
+# still uses it. Otherwise, the use in gettext.m4 makes autoheader
+# give these diagnostics:
+# configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX
+# configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX
+
+undefine([AC_ISC_POSIX])
+
+AC_DEFUN([AC_ISC_POSIX],
+ [
+ dnl This test replaces the obsolescent AC_ISC_POSIX kludge.
+ AC_CHECK_LIB(cposix, strerror, [LIBS="$LIBS -lcposix"])
+ ]
+)
+# lcmessage.m4 serial 3 (gettext-0.11.3)
+dnl Copyright (C) 1995-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+dnl
+dnl This file can can be used in projects which are not available under
+dnl the GNU General Public License or the GNU Library General Public
+dnl License but which still want to provide support for the GNU gettext
+dnl functionality.
+dnl Please note that the actual code of the GNU gettext library is covered
+dnl by the GNU Library General Public License, and the rest of the GNU
+dnl gettext package package is covered by the GNU General Public License.
+dnl They are *not* in the public domain.
+
+dnl Authors:
+dnl Ulrich Drepper <drepper@cygnus.com>, 1995.
+
+# Check whether LC_MESSAGES is available in <locale.h>.
+
+AC_DEFUN([AM_LC_MESSAGES],
+[
+ AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
+ [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
+ am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
+ if test $am_cv_val_LC_MESSAGES = yes; then
+ AC_DEFINE(HAVE_LC_MESSAGES, 1,
+ [Define if your <locale.h> file defines LC_MESSAGES.])
+ fi
+])
+# lib-ld.m4 serial 2 (gettext-0.12)
+dnl Copyright (C) 1996-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl Subroutines of libtool.m4,
+dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision
+dnl with libtool.m4.
+
+dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no.
+AC_DEFUN([AC_LIB_PROG_LD_GNU],
+[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], acl_cv_prog_gnu_ld,
+[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
+if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
+ acl_cv_prog_gnu_ld=yes
+else
+ acl_cv_prog_gnu_ld=no
+fi])
+with_gnu_ld=$acl_cv_prog_gnu_ld
+])
+
+dnl From libtool-1.4. Sets the variable LD.
+AC_DEFUN([AC_LIB_PROG_LD],
+[AC_ARG_WITH(gnu-ld,
+[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
+test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+# Prepare PATH_SEPARATOR.
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+ echo "#! /bin/sh" >conf$$.sh
+ echo "exit 0" >>conf$$.sh
+ chmod +x conf$$.sh
+ if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+ PATH_SEPARATOR=';'
+ else
+ PATH_SEPARATOR=:
+ fi
+ rm -f conf$$.sh
+fi
+ac_prog=ld
+if test "$GCC" = yes; then
+ # Check if gcc -print-prog-name=ld gives a path.
+ AC_MSG_CHECKING([for ld used by GCC])
+ case $host in
+ *-*-mingw*)
+ # gcc leaves a trailing carriage return which upsets mingw
+ ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+ *)
+ ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+ esac
+ case $ac_prog in
+ # Accept absolute paths.
+ [[\\/]* | [A-Za-z]:[\\/]*)]
+ [re_direlt='/[^/][^/]*/\.\./']
+ # Canonicalize the path of ld
+ ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
+ while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
+ ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
+ done
+ test -z "$LD" && LD="$ac_prog"
+ ;;
+ "")
+ # If it fails, then pretend we aren't using GCC.
+ ac_prog=ld
+ ;;
+ *)
+ # If it is relative, then search for the first ld in PATH.
+ with_gnu_ld=unknown
+ ;;
+ esac
+elif test "$with_gnu_ld" = yes; then
+ AC_MSG_CHECKING([for GNU ld])
+else
+ AC_MSG_CHECKING([for non-GNU ld])
+fi
+AC_CACHE_VAL(acl_cv_path_LD,
+[if test -z "$LD"; then
+ IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
+ for ac_dir in $PATH; do
+ test -z "$ac_dir" && ac_dir=.
+ if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+ acl_cv_path_LD="$ac_dir/$ac_prog"
+ # Check to see if the program is GNU ld. I'd rather use --version,
+ # but apparently some GNU ld's only accept -v.
+ # Break only if it was the GNU/non-GNU ld that we prefer.
+ if "$acl_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
+ test "$with_gnu_ld" != no && break
+ else
+ test "$with_gnu_ld" != yes && break
+ fi
+ fi
+ done
+ IFS="$ac_save_ifs"
+else
+ acl_cv_path_LD="$LD" # Let the user override the test with a path.
+fi])
+LD="$acl_cv_path_LD"
+if test -n "$LD"; then
+ AC_MSG_RESULT($LD)
+else
+ AC_MSG_RESULT(no)
+fi
+test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
+AC_LIB_PROG_LD_GNU
+])
+# lib-link.m4 serial 4 (gettext-0.12)
+dnl Copyright (C) 2001-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and
+dnl the libraries corresponding to explicit and implicit dependencies.
+dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and
+dnl augments the CPPFLAGS variable.
+AC_DEFUN([AC_LIB_LINKFLAGS],
+[
+ AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+ AC_REQUIRE([AC_LIB_RPATH])
+ define([Name],[translit([$1],[./-], [___])])
+ define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
+ [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
+ AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [
+ AC_LIB_LINKFLAGS_BODY([$1], [$2])
+ ac_cv_lib[]Name[]_libs="$LIB[]NAME"
+ ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME"
+ ac_cv_lib[]Name[]_cppflags="$INC[]NAME"
+ ])
+ LIB[]NAME="$ac_cv_lib[]Name[]_libs"
+ LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs"
+ INC[]NAME="$ac_cv_lib[]Name[]_cppflags"
+ AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
+ AC_SUBST([LIB]NAME)
+ AC_SUBST([LTLIB]NAME)
+ dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the
+ dnl results of this search when this library appears as a dependency.
+ HAVE_LIB[]NAME=yes
+ undefine([Name])
+ undefine([NAME])
+])
+
+dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode)
+dnl searches for libname and the libraries corresponding to explicit and
+dnl implicit dependencies, together with the specified include files and
+dnl the ability to compile and link the specified testcode. If found, it
+dnl sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME} and
+dnl LTLIB${NAME} variables and augments the CPPFLAGS variable, and
+dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs
+dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty.
+AC_DEFUN([AC_LIB_HAVE_LINKFLAGS],
+[
+ AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+ AC_REQUIRE([AC_LIB_RPATH])
+ define([Name],[translit([$1],[./-], [___])])
+ define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
+ [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
+
+ dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME
+ dnl accordingly.
+ AC_LIB_LINKFLAGS_BODY([$1], [$2])
+
+ dnl Add $INC[]NAME to CPPFLAGS before performing the following checks,
+ dnl because if the user has installed lib[]Name and not disabled its use
+ dnl via --without-lib[]Name-prefix, he wants to use it.
+ ac_save_CPPFLAGS="$CPPFLAGS"
+ AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
+
+ AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [
+ ac_save_LIBS="$LIBS"
+ LIBS="$LIBS $LIB[]NAME"
+ AC_TRY_LINK([$3], [$4], [ac_cv_lib[]Name=yes], [ac_cv_lib[]Name=no])
+ LIBS="$ac_save_LIBS"
+ ])
+ if test "$ac_cv_lib[]Name" = yes; then
+ HAVE_LIB[]NAME=yes
+ AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the $1 library.])
+ AC_MSG_CHECKING([how to link with lib[]$1])
+ AC_MSG_RESULT([$LIB[]NAME])
+ else
+ HAVE_LIB[]NAME=no
+ dnl If $LIB[]NAME didn't lead to a usable library, we don't need
+ dnl $INC[]NAME either.
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LIB[]NAME=
+ LTLIB[]NAME=
+ fi
+ AC_SUBST([HAVE_LIB]NAME)
+ AC_SUBST([LIB]NAME)
+ AC_SUBST([LTLIB]NAME)
+ undefine([Name])
+ undefine([NAME])
+])
+
+dnl Determine the platform dependent parameters needed to use rpath:
+dnl libext, shlibext, hardcode_libdir_flag_spec, hardcode_libdir_separator,
+dnl hardcode_direct, hardcode_minus_L.
+AC_DEFUN([AC_LIB_RPATH],
+[
+ AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS
+ AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host
+ AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir
+ AC_CACHE_CHECK([for shared library run path origin], acl_cv_rpath, [
+ CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \
+ ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh
+ . ./conftest.sh
+ rm -f ./conftest.sh
+ acl_cv_rpath=done
+ ])
+ wl="$acl_cv_wl"
+ libext="$acl_cv_libext"
+ shlibext="$acl_cv_shlibext"
+ hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
+ hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
+ hardcode_direct="$acl_cv_hardcode_direct"
+ hardcode_minus_L="$acl_cv_hardcode_minus_L"
+ dnl Determine whether the user wants rpath handling at all.
+ AC_ARG_ENABLE(rpath,
+ [ --disable-rpath do not hardcode runtime library paths],
+ :, enable_rpath=yes)
+])
+
+dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and
+dnl the libraries corresponding to explicit and implicit dependencies.
+dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables.
+AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+[
+ define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
+ [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
+ dnl By default, look in $includedir and $libdir.
+ use_additional=yes
+ AC_LIB_WITH_FINAL_PREFIX([
+ eval additional_includedir=\"$includedir\"
+ eval additional_libdir=\"$libdir\"
+ ])
+ AC_LIB_ARG_WITH([lib$1-prefix],
+[ --with-lib$1-prefix[=DIR] search for lib$1 in DIR/include and DIR/lib
+ --without-lib$1-prefix don't search for lib$1 in includedir and libdir],
+[
+ if test "X$withval" = "Xno"; then
+ use_additional=no
+ else
+ if test "X$withval" = "X"; then
+ AC_LIB_WITH_FINAL_PREFIX([
+ eval additional_includedir=\"$includedir\"
+ eval additional_libdir=\"$libdir\"
+ ])
+ else
+ additional_includedir="$withval/include"
+ additional_libdir="$withval/lib"
+ fi
+ fi
+])
+ dnl Search the library and its dependencies in $additional_libdir and
+ dnl $LDFLAGS. Using breadth-first-seach.
+ LIB[]NAME=
+ LTLIB[]NAME=
+ INC[]NAME=
+ rpathdirs=
+ ltrpathdirs=
+ names_already_handled=
+ names_next_round='$1 $2'
+ while test -n "$names_next_round"; do
+ names_this_round="$names_next_round"
+ names_next_round=
+ for name in $names_this_round; do
+ already_handled=
+ for n in $names_already_handled; do
+ if test "$n" = "$name"; then
+ already_handled=yes
+ break
+ fi
+ done
+ if test -z "$already_handled"; then
+ names_already_handled="$names_already_handled $name"
+ dnl See if it was already located by an earlier AC_LIB_LINKFLAGS
+ dnl or AC_LIB_HAVE_LINKFLAGS call.
+ uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'`
+ eval value=\"\$HAVE_LIB$uppername\"
+ if test -n "$value"; then
+ if test "$value" = yes; then
+ eval value=\"\$LIB$uppername\"
+ test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value"
+ eval value=\"\$LTLIB$uppername\"
+ test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value"
+ else
+ dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined
+ dnl that this library doesn't exist. So just drop it.
+ :
+ fi
+ else
+ dnl Search the library lib$name in $additional_libdir and $LDFLAGS
+ dnl and the already constructed $LIBNAME/$LTLIBNAME.
+ found_dir=
+ found_la=
+ found_so=
+ found_a=
+ if test $use_additional = yes; then
+ if test -n "$shlibext" && test -f "$additional_libdir/lib$name.$shlibext"; then
+ found_dir="$additional_libdir"
+ found_so="$additional_libdir/lib$name.$shlibext"
+ if test -f "$additional_libdir/lib$name.la"; then
+ found_la="$additional_libdir/lib$name.la"
+ fi
+ else
+ if test -f "$additional_libdir/lib$name.$libext"; then
+ found_dir="$additional_libdir"
+ found_a="$additional_libdir/lib$name.$libext"
+ if test -f "$additional_libdir/lib$name.la"; then
+ found_la="$additional_libdir/lib$name.la"
+ fi
+ fi
+ fi
+ fi
+ if test "X$found_dir" = "X"; then
+ for x in $LDFLAGS $LTLIB[]NAME; do
+ AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+ case "$x" in
+ -L*)
+ dir=`echo "X$x" | sed -e 's/^X-L//'`
+ if test -n "$shlibext" && test -f "$dir/lib$name.$shlibext"; then
+ found_dir="$dir"
+ found_so="$dir/lib$name.$shlibext"
+ if test -f "$dir/lib$name.la"; then
+ found_la="$dir/lib$name.la"
+ fi
+ else
+ if test -f "$dir/lib$name.$libext"; then
+ found_dir="$dir"
+ found_a="$dir/lib$name.$libext"
+ if test -f "$dir/lib$name.la"; then
+ found_la="$dir/lib$name.la"
+ fi
+ fi
+ fi
+ ;;
+ esac
+ if test "X$found_dir" != "X"; then
+ break
+ fi
+ done
+ fi
+ if test "X$found_dir" != "X"; then
+ dnl Found the library.
+ LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name"
+ if test "X$found_so" != "X"; then
+ dnl Linking with a shared library. We attempt to hardcode its
+ dnl directory into the executable's runpath, unless it's the
+ dnl standard /usr/lib.
+ if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/lib"; then
+ dnl No hardcoding is needed.
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
+ else
+ dnl Use an explicit option to hardcode DIR into the resulting
+ dnl binary.
+ dnl Potentially add DIR to ltrpathdirs.
+ dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
+ haveit=
+ for x in $ltrpathdirs; do
+ if test "X$x" = "X$found_dir"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ ltrpathdirs="$ltrpathdirs $found_dir"
+ fi
+ dnl The hardcoding into $LIBNAME is system dependent.
+ if test "$hardcode_direct" = yes; then
+ dnl Using DIR/libNAME.so during linking hardcodes DIR into the
+ dnl resulting binary.
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
+ else
+ if test -n "$hardcode_libdir_flag_spec" && test "$hardcode_minus_L" = no; then
+ dnl Use an explicit option to hardcode DIR into the resulting
+ dnl binary.
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
+ dnl Potentially add DIR to rpathdirs.
+ dnl The rpathdirs will be appended to $LIBNAME at the end.
+ haveit=
+ for x in $rpathdirs; do
+ if test "X$x" = "X$found_dir"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ rpathdirs="$rpathdirs $found_dir"
+ fi
+ else
+ dnl Rely on "-L$found_dir".
+ dnl But don't add it if it's already contained in the LDFLAGS
+ dnl or the already constructed $LIBNAME
+ haveit=
+ for x in $LDFLAGS $LIB[]NAME; do
+ AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+ if test "X$x" = "X-L$found_dir"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir"
+ fi
+ if test "$hardcode_minus_L" != no; then
+ dnl FIXME: Not sure whether we should use
+ dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
+ dnl here.
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
+ else
+ dnl We cannot use $hardcode_runpath_var and LD_RUN_PATH
+ dnl here, because this doesn't fit in flags passed to the
+ dnl compiler. So give up. No hardcoding. This affects only
+ dnl very old systems.
+ dnl FIXME: Not sure whether we should use
+ dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
+ dnl here.
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
+ fi
+ fi
+ fi
+ fi
+ else
+ if test "X$found_a" != "X"; then
+ dnl Linking with a static library.
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a"
+ else
+ dnl We shouldn't come here, but anyway it's good to have a
+ dnl fallback.
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name"
+ fi
+ fi
+ dnl Assume the include files are nearby.
+ additional_includedir=
+ case "$found_dir" in
+ */lib | */lib/)
+ basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 's,/lib/*$,,'`
+ additional_includedir="$basedir/include"
+ ;;
+ esac
+ if test "X$additional_includedir" != "X"; then
+ dnl Potentially add $additional_includedir to $INCNAME.
+ dnl But don't add it
+ dnl 1. if it's the standard /usr/include,
+ dnl 2. if it's /usr/local/include and we are using GCC on Linux,
+ dnl 3. if it's already present in $CPPFLAGS or the already
+ dnl constructed $INCNAME,
+ dnl 4. if it doesn't exist as a directory.
+ if test "X$additional_includedir" != "X/usr/include"; then
+ haveit=
+ if test "X$additional_includedir" = "X/usr/local/include"; then
+ if test -n "$GCC"; then
+ case $host_os in
+ linux*) haveit=yes;;
+ esac
+ fi
+ fi
+ if test -z "$haveit"; then
+ for x in $CPPFLAGS $INC[]NAME; do
+ AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+ if test "X$x" = "X-I$additional_includedir"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ if test -d "$additional_includedir"; then
+ dnl Really add $additional_includedir to $INCNAME.
+ INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir"
+ fi
+ fi
+ fi
+ fi
+ fi
+ dnl Look for dependencies.
+ if test -n "$found_la"; then
+ dnl Read the .la file. It defines the variables
+ dnl dlname, library_names, old_library, dependency_libs, current,
+ dnl age, revision, installed, dlopen, dlpreopen, libdir.
+ save_libdir="$libdir"
+ case "$found_la" in
+ */* | *\\*) . "$found_la" ;;
+ *) . "./$found_la" ;;
+ esac
+ libdir="$save_libdir"
+ dnl We use only dependency_libs.
+ for dep in $dependency_libs; do
+ case "$dep" in
+ -L*)
+ additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
+ dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME.
+ dnl But don't add it
+ dnl 1. if it's the standard /usr/lib,
+ dnl 2. if it's /usr/local/lib and we are using GCC on Linux,
+ dnl 3. if it's already present in $LDFLAGS or the already
+ dnl constructed $LIBNAME,
+ dnl 4. if it doesn't exist as a directory.
+ if test "X$additional_libdir" != "X/usr/lib"; then
+ haveit=
+ if test "X$additional_libdir" = "X/usr/local/lib"; then
+ if test -n "$GCC"; then
+ case $host_os in
+ linux*) haveit=yes;;
+ esac
+ fi
+ fi
+ if test -z "$haveit"; then
+ haveit=
+ for x in $LDFLAGS $LIB[]NAME; do
+ AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+ if test "X$x" = "X-L$additional_libdir"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ if test -d "$additional_libdir"; then
+ dnl Really add $additional_libdir to $LIBNAME.
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir"
+ fi
+ fi
+ haveit=
+ for x in $LDFLAGS $LTLIB[]NAME; do
+ AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+ if test "X$x" = "X-L$additional_libdir"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ if test -d "$additional_libdir"; then
+ dnl Really add $additional_libdir to $LTLIBNAME.
+ LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir"
+ fi
+ fi
+ fi
+ fi
+ ;;
+ -R*)
+ dir=`echo "X$dep" | sed -e 's/^X-R//'`
+ if test "$enable_rpath" != no; then
+ dnl Potentially add DIR to rpathdirs.
+ dnl The rpathdirs will be appended to $LIBNAME at the end.
+ haveit=
+ for x in $rpathdirs; do
+ if test "X$x" = "X$dir"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ rpathdirs="$rpathdirs $dir"
+ fi
+ dnl Potentially add DIR to ltrpathdirs.
+ dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
+ haveit=
+ for x in $ltrpathdirs; do
+ if test "X$x" = "X$dir"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ ltrpathdirs="$ltrpathdirs $dir"
+ fi
+ fi
+ ;;
+ -l*)
+ dnl Handle this in the next round.
+ names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'`
+ ;;
+ *.la)
+ dnl Handle this in the next round. Throw away the .la's
+ dnl directory; it is already contained in a preceding -L
+ dnl option.
+ names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'`
+ ;;
+ *)
+ dnl Most likely an immediate library name.
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep"
+ LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep"
+ ;;
+ esac
+ done
+ fi
+ else
+ dnl Didn't find the library; assume it is in the system directories
+ dnl known to the linker and runtime loader. (All the system
+ dnl directories known to the linker should also be known to the
+ dnl runtime loader, otherwise the system is severely misconfigured.)
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
+ LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name"
+ fi
+ fi
+ fi
+ done
+ done
+ if test "X$rpathdirs" != "X"; then
+ if test -n "$hardcode_libdir_separator"; then
+ dnl Weird platform: only the last -rpath option counts, the user must
+ dnl pass all path elements in one option. We can arrange that for a
+ dnl single library, but not when more than one $LIBNAMEs are used.
+ alldirs=
+ for found_dir in $rpathdirs; do
+ alldirs="${alldirs}${alldirs:+$hardcode_libdir_separator}$found_dir"
+ done
+ dnl Note: hardcode_libdir_flag_spec uses $libdir and $wl.
+ acl_save_libdir="$libdir"
+ libdir="$alldirs"
+ eval flag=\"$hardcode_libdir_flag_spec\"
+ libdir="$acl_save_libdir"
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
+ else
+ dnl The -rpath options are cumulative.
+ for found_dir in $rpathdirs; do
+ acl_save_libdir="$libdir"
+ libdir="$found_dir"
+ eval flag=\"$hardcode_libdir_flag_spec\"
+ libdir="$acl_save_libdir"
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
+ done
+ fi
+ fi
+ if test "X$ltrpathdirs" != "X"; then
+ dnl When using libtool, the option that works for both libraries and
+ dnl executables is -R. The -R options are cumulative.
+ for found_dir in $ltrpathdirs; do
+ LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir"
+ done
+ fi
+])
+
+dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR,
+dnl unless already present in VAR.
+dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes
+dnl contains two or three consecutive elements that belong together.
+AC_DEFUN([AC_LIB_APPENDTOVAR],
+[
+ for element in [$2]; do
+ haveit=
+ for x in $[$1]; do
+ AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+ if test "X$x" = "X$element"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ [$1]="${[$1]}${[$1]:+ }$element"
+ fi
+ done
+])
+# lib-prefix.m4 serial 2 (gettext-0.12)
+dnl Copyright (C) 2001-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and
+dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't
+dnl require excessive bracketing.
+ifdef([AC_HELP_STRING],
+[AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])],
+[AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])])
+
+dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed
+dnl to access previously installed libraries. The basic assumption is that
+dnl a user will want packages to use other packages he previously installed
+dnl with the same --prefix option.
+dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate
+dnl libraries, but is otherwise very convenient.
+AC_DEFUN([AC_LIB_PREFIX],
+[
+ AC_BEFORE([$0], [AC_LIB_LINKFLAGS])
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+ dnl By default, look in $includedir and $libdir.
+ use_additional=yes
+ AC_LIB_WITH_FINAL_PREFIX([
+ eval additional_includedir=\"$includedir\"
+ eval additional_libdir=\"$libdir\"
+ ])
+ AC_LIB_ARG_WITH([lib-prefix],
+[ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib
+ --without-lib-prefix don't search for libraries in includedir and libdir],
+[
+ if test "X$withval" = "Xno"; then
+ use_additional=no
+ else
+ if test "X$withval" = "X"; then
+ AC_LIB_WITH_FINAL_PREFIX([
+ eval additional_includedir=\"$includedir\"
+ eval additional_libdir=\"$libdir\"
+ ])
+ else
+ additional_includedir="$withval/include"
+ additional_libdir="$withval/lib"
+ fi
+ fi
+])
+ if test $use_additional = yes; then
+ dnl Potentially add $additional_includedir to $CPPFLAGS.
+ dnl But don't add it
+ dnl 1. if it's the standard /usr/include,
+ dnl 2. if it's already present in $CPPFLAGS,
+ dnl 3. if it's /usr/local/include and we are using GCC on Linux,
+ dnl 4. if it doesn't exist as a directory.
+ if test "X$additional_includedir" != "X/usr/include"; then
+ haveit=
+ for x in $CPPFLAGS; do
+ AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+ if test "X$x" = "X-I$additional_includedir"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ if test "X$additional_includedir" = "X/usr/local/include"; then
+ if test -n "$GCC"; then
+ case $host_os in
+ linux*) haveit=yes;;
+ esac
+ fi
+ fi
+ if test -z "$haveit"; then
+ if test -d "$additional_includedir"; then
+ dnl Really add $additional_includedir to $CPPFLAGS.
+ CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir"
+ fi
+ fi
+ fi
+ fi
+ dnl Potentially add $additional_libdir to $LDFLAGS.
+ dnl But don't add it
+ dnl 1. if it's the standard /usr/lib,
+ dnl 2. if it's already present in $LDFLAGS,
+ dnl 3. if it's /usr/local/lib and we are using GCC on Linux,
+ dnl 4. if it doesn't exist as a directory.
+ if test "X$additional_libdir" != "X/usr/lib"; then
+ haveit=
+ for x in $LDFLAGS; do
+ AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+ if test "X$x" = "X-L$additional_libdir"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ if test "X$additional_libdir" = "X/usr/local/lib"; then
+ if test -n "$GCC"; then
+ case $host_os in
+ linux*) haveit=yes;;
+ esac
+ fi
+ fi
+ if test -z "$haveit"; then
+ if test -d "$additional_libdir"; then
+ dnl Really add $additional_libdir to $LDFLAGS.
+ LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir"
+ fi
+ fi
+ fi
+ fi
+ fi
+])
+
+dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix,
+dnl acl_final_exec_prefix, containing the values to which $prefix and
+dnl $exec_prefix will expand at the end of the configure script.
+AC_DEFUN([AC_LIB_PREPARE_PREFIX],
+[
+ dnl Unfortunately, prefix and exec_prefix get only finally determined
+ dnl at the end of configure.
+ if test "X$prefix" = "XNONE"; then
+ acl_final_prefix="$ac_default_prefix"
+ else
+ acl_final_prefix="$prefix"
+ fi
+ if test "X$exec_prefix" = "XNONE"; then
+ acl_final_exec_prefix='${prefix}'
+ else
+ acl_final_exec_prefix="$exec_prefix"
+ fi
+ acl_save_prefix="$prefix"
+ prefix="$acl_final_prefix"
+ eval acl_final_exec_prefix=\"$acl_final_exec_prefix\"
+ prefix="$acl_save_prefix"
+])
+
+dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the
+dnl variables prefix and exec_prefix bound to the values they will have
+dnl at the end of the configure script.
+AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX],
+[
+ acl_save_prefix="$prefix"
+ prefix="$acl_final_prefix"
+ acl_save_exec_prefix="$exec_prefix"
+ exec_prefix="$acl_final_exec_prefix"
+ $1
+ exec_prefix="$acl_save_exec_prefix"
+ prefix="$acl_save_prefix"
+])
+# nls.m4 serial 1 (gettext-0.12)
+dnl Copyright (C) 1995-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+dnl
+dnl This file can can be used in projects which are not available under
+dnl the GNU General Public License or the GNU Library General Public
+dnl License but which still want to provide support for the GNU gettext
+dnl functionality.
+dnl Please note that the actual code of the GNU gettext library is covered
+dnl by the GNU Library General Public License, and the rest of the GNU
+dnl gettext package package is covered by the GNU General Public License.
+dnl They are *not* in the public domain.
+
+dnl Authors:
+dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
+dnl Bruno Haible <haible@clisp.cons.org>, 2000-2003.
+
+AC_DEFUN([AM_NLS],
+[
+ AC_MSG_CHECKING([whether NLS is requested])
+ dnl Default is enabled NLS
+ AC_ARG_ENABLE(nls,
+ [ --disable-nls do not use Native Language Support],
+ USE_NLS=$enableval, USE_NLS=yes)
+ AC_MSG_RESULT($USE_NLS)
+ AC_SUBST(USE_NLS)
+])
+
+AC_DEFUN([AM_MKINSTALLDIRS],
+[
+ dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
+ dnl find the mkinstalldirs script in another subdir but $(top_srcdir).
+ dnl Try to locate it.
+ MKINSTALLDIRS=
+ if test -n "$ac_aux_dir"; then
+ case "$ac_aux_dir" in
+ /*) MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs" ;;
+ *) MKINSTALLDIRS="\$(top_builddir)/$ac_aux_dir/mkinstalldirs" ;;
+ esac
+ fi
+ if test -z "$MKINSTALLDIRS"; then
+ MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
+ fi
+ AC_SUBST(MKINSTALLDIRS)
+])
+# po.m4 serial 1 (gettext-0.12)
+dnl Copyright (C) 1995-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+dnl
+dnl This file can can be used in projects which are not available under
+dnl the GNU General Public License or the GNU Library General Public
+dnl License but which still want to provide support for the GNU gettext
+dnl functionality.
+dnl Please note that the actual code of the GNU gettext library is covered
+dnl by the GNU Library General Public License, and the rest of the GNU
+dnl gettext package package is covered by the GNU General Public License.
+dnl They are *not* in the public domain.
+
+dnl Authors:
+dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
+dnl Bruno Haible <haible@clisp.cons.org>, 2000-2003.
+
+dnl Checks for all prerequisites of the po subdirectory.
+AC_DEFUN([AM_PO_SUBDIRS],
+[
+ AC_REQUIRE([AC_PROG_MAKE_SET])dnl
+ AC_REQUIRE([AC_PROG_INSTALL])dnl
+ AC_REQUIRE([AM_MKINSTALLDIRS])dnl
+ AC_REQUIRE([AM_NLS])dnl
+
+ dnl Perform the following tests also if --disable-nls has been given,
+ dnl because they are needed for "make dist" to work.
+
+ dnl Search for GNU msgfmt in the PATH.
+ dnl The first test excludes Solaris msgfmt and early GNU msgfmt versions.
+ dnl The second test excludes FreeBSD msgfmt.
+ AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
+ [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1 &&
+ (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
+ :)
+ AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
+
+ dnl Search for GNU xgettext 0.12 or newer in the PATH.
+ dnl The first test excludes Solaris xgettext and early GNU xgettext versions.
+ dnl The second test excludes FreeBSD xgettext.
+ AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
+ [$ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >/dev/null 2>&1 &&
+ (if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
+ :)
+ dnl Remove leftover from FreeBSD xgettext call.
+ rm -f messages.po
+
+ dnl Search for GNU msgmerge 0.11 or newer in the PATH.
+ AM_PATH_PROG_WITH_TEST(MSGMERGE, msgmerge,
+ [$ac_dir/$ac_word --update -q /dev/null /dev/null >/dev/null 2>&1], :)
+
+ dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
+ dnl Test whether we really found GNU msgfmt.
+ if test "$GMSGFMT" != ":"; then
+ dnl If it is no GNU msgfmt we define it as : so that the
+ dnl Makefiles still can work.
+ if $GMSGFMT --statistics /dev/null >/dev/null 2>&1 &&
+ (if $GMSGFMT --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then
+ : ;
+ else
+ GMSGFMT=`echo "$GMSGFMT" | sed -e 's,^.*/,,'`
+ AC_MSG_RESULT(
+ [found $GMSGFMT program is not GNU msgfmt; ignore it])
+ GMSGFMT=":"
+ fi
+ fi
+
+ dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
+ dnl Test whether we really found GNU xgettext.
+ if test "$XGETTEXT" != ":"; then
+ dnl If it is no GNU xgettext we define it as : so that the
+ dnl Makefiles still can work.
+ if $XGETTEXT --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >/dev/null 2>&1 &&
+ (if $XGETTEXT --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then
+ : ;
+ else
+ AC_MSG_RESULT(
+ [found xgettext program is not GNU xgettext; ignore it])
+ XGETTEXT=":"
+ fi
+ dnl Remove leftover from FreeBSD xgettext call.
+ rm -f messages.po
+ fi
+
+ AC_OUTPUT_COMMANDS([
+ for ac_file in $CONFIG_FILES; do
+ # Support "outfile[:infile[:infile...]]"
+ case "$ac_file" in
+ *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
+ esac
+ # PO directories have a Makefile.in generated from Makefile.in.in.
+ case "$ac_file" in */Makefile.in)
+ # Adjust a relative srcdir.
+ ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
+ ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`"
+ ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
+ # In autoconf-2.13 it is called $ac_given_srcdir.
+ # In autoconf-2.50 it is called $srcdir.
+ test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
+ case "$ac_given_srcdir" in
+ .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
+ /*) top_srcdir="$ac_given_srcdir" ;;
+ *) top_srcdir="$ac_dots$ac_given_srcdir" ;;
+ esac
+ if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
+ rm -f "$ac_dir/POTFILES"
+ test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES"
+ cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ ]*\$/d" -e "s,.*, $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES"
+ POMAKEFILEDEPS="POTFILES.in"
+ # ALL_LINGUAS, POFILES, GMOFILES, UPDATEPOFILES, DUMMYPOFILES depend
+ # on $ac_dir but don't depend on user-specified configuration
+ # parameters.
+ if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
+ # The LINGUAS file contains the set of available languages.
+ if test -n "$OBSOLETE_ALL_LINGUAS"; then
+ test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
+ fi
+ ALL_LINGUAS_=`sed -e "/^#/d" "$ac_given_srcdir/$ac_dir/LINGUAS"`
+ # Hide the ALL_LINGUAS assigment from automake.
+ eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
+ POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
+ else
+ # The set of available languages was given in configure.in.
+ eval 'ALL_LINGUAS''=$OBSOLETE_ALL_LINGUAS'
+ fi
+ case "$ac_given_srcdir" in
+ .) srcdirpre= ;;
+ *) srcdirpre='$(srcdir)/' ;;
+ esac
+ POFILES=
+ GMOFILES=
+ UPDATEPOFILES=
+ DUMMYPOFILES=
+ for lang in $ALL_LINGUAS; do
+ POFILES="$POFILES $srcdirpre$lang.po"
+ GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
+ UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
+ DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
+ done
+ # CATALOGS depends on both $ac_dir and the user's LINGUAS
+ # environment variable.
+ INST_LINGUAS=
+ if test -n "$ALL_LINGUAS"; then
+ for presentlang in $ALL_LINGUAS; do
+ useit=no
+ if test "%UNSET%" != "$LINGUAS"; then
+ desiredlanguages="$LINGUAS"
+ else
+ desiredlanguages="$ALL_LINGUAS"
+ fi
+ for desiredlang in $desiredlanguages; do
+ # Use the presentlang catalog if desiredlang is
+ # a. equal to presentlang, or
+ # b. a variant of presentlang (because in this case,
+ # presentlang can be used as a fallback for messages
+ # which are not translated in the desiredlang catalog).
+ case "$desiredlang" in
+ "$presentlang"*) useit=yes;;
+ esac
+ done
+ if test $useit = yes; then
+ INST_LINGUAS="$INST_LINGUAS $presentlang"
+ fi
+ done
+ fi
+ CATALOGS=
+ if test -n "$INST_LINGUAS"; then
+ for lang in $INST_LINGUAS; do
+ CATALOGS="$CATALOGS $lang.gmo"
+ done
+ fi
+ test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile"
+ sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@POMAKEFILEDEPS@|$POMAKEFILEDEPS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile"
+ for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do
+ if test -f "$f"; then
+ case "$f" in
+ *.orig | *.bak | *~) ;;
+ *) cat "$f" >> "$ac_dir/Makefile" ;;
+ esac
+ fi
+ done
+ fi
+ ;;
+ esac
+ done],
+ [# Capture the value of obsolete ALL_LINGUAS because we need it to compute
+ # POFILES, GMOFILES, UPDATEPOFILES, DUMMYPOFILES, CATALOGS. But hide it
+ # from automake.
+ eval 'OBSOLETE_ALL_LINGUAS''="$ALL_LINGUAS"'
+ # Capture the value of LINGUAS because we need it to compute CATALOGS.
+ LINGUAS="${LINGUAS-%UNSET%}"
+ ])
+])
+# progtest.m4 serial 3 (gettext-0.12)
+dnl Copyright (C) 1996-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+dnl
+dnl This file can can be used in projects which are not available under
+dnl the GNU General Public License or the GNU Library General Public
+dnl License but which still want to provide support for the GNU gettext
+dnl functionality.
+dnl Please note that the actual code of the GNU gettext library is covered
+dnl by the GNU Library General Public License, and the rest of the GNU
+dnl gettext package package is covered by the GNU General Public License.
+dnl They are *not* in the public domain.
+
+dnl Authors:
+dnl Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+# Search path for a program which passes the given test.
+
+dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
+dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
+AC_DEFUN([AM_PATH_PROG_WITH_TEST],
+[
+# Prepare PATH_SEPARATOR.
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+ echo "#! /bin/sh" >conf$$.sh
+ echo "exit 0" >>conf$$.sh
+ chmod +x conf$$.sh
+ if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+ PATH_SEPARATOR=';'
+ else
+ PATH_SEPARATOR=:
+ fi
+ rm -f conf$$.sh
+fi
+
+# Find out how to test for executable files. Don't use a zero-byte file,
+# as systems may use methods other than mode bits to determine executability.
+cat >conf$$.file <<_ASEOF
+#! /bin/sh
+exit 0
+_ASEOF
+chmod +x conf$$.file
+if test -x conf$$.file >/dev/null 2>&1; then
+ ac_executable_p="test -x"
+else
+ ac_executable_p="test -f"
+fi
+rm -f conf$$.file
+
+# Extract the first word of "$2", so it can be a program name with args.
+set dummy $2; ac_word=[$]2
+AC_MSG_CHECKING([for $ac_word])
+AC_CACHE_VAL(ac_cv_path_$1,
+[case "[$]$1" in
+ [[\\/]]* | ?:[[\\/]]*)
+ ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
+ ;;
+ *)
+ ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR
+ for ac_dir in ifelse([$5], , $PATH, [$5]); do
+ IFS="$ac_save_IFS"
+ test -z "$ac_dir" && ac_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then
+ if [$3]; then
+ ac_cv_path_$1="$ac_dir/$ac_word$ac_exec_ext"
+ break 2
+ fi
+ fi
+ done
+ done
+ IFS="$ac_save_IFS"
+dnl If no 4th arg is given, leave the cache variable unset,
+dnl so AC_PATH_PROGS will keep looking.
+ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
+])dnl
+ ;;
+esac])dnl
+$1="$ac_cv_path_$1"
+if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
+ AC_MSG_RESULT([$]$1)
+else
+ AC_MSG_RESULT(no)
+fi
+AC_SUBST($1)dnl
+])
+# stdint_h.m4 serial 3 (gettext-0.12)
+dnl Copyright (C) 1997-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
+# doesn't clash with <sys/types.h>, and declares uintmax_t.
+
+AC_DEFUN([jm_AC_HEADER_STDINT_H],
+[
+ AC_CACHE_CHECK([for stdint.h], jm_ac_cv_header_stdint_h,
+ [AC_TRY_COMPILE(
+ [#include <sys/types.h>
+#include <stdint.h>],
+ [uintmax_t i = (uintmax_t) -1;],
+ jm_ac_cv_header_stdint_h=yes,
+ jm_ac_cv_header_stdint_h=no)])
+ if test $jm_ac_cv_header_stdint_h = yes; then
+ AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
+ [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
+ and declares uintmax_t. ])
+ fi
+])
+# uintmax_t.m4 serial 7 (gettext-0.12)
+dnl Copyright (C) 1997-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+AC_PREREQ(2.13)
+
+# Define uintmax_t to 'unsigned long' or 'unsigned long long'
+# if it is not already defined in <stdint.h> or <inttypes.h>.
+
+AC_DEFUN([jm_AC_TYPE_UINTMAX_T],
+[
+ AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
+ AC_REQUIRE([jm_AC_HEADER_STDINT_H])
+ if test $jm_ac_cv_header_inttypes_h = no && test $jm_ac_cv_header_stdint_h = no; then
+ AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
+ test $ac_cv_type_unsigned_long_long = yes \
+ && ac_type='unsigned long long' \
+ || ac_type='unsigned long'
+ AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
+ [Define to unsigned long or unsigned long long
+ if <stdint.h> and <inttypes.h> don't define.])
+ else
+ AC_DEFINE(HAVE_UINTMAX_T, 1,
+ [Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>.])
+ fi
+])
+# ulonglong.m4 serial 2 (fileutils-4.0.32, gettext-0.10.40)
+dnl Copyright (C) 1999-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+AC_DEFUN([jm_AC_TYPE_UNSIGNED_LONG_LONG],
+[
+ AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
+ [AC_TRY_LINK([unsigned long long ull = 1; int i = 63;],
+ [unsigned long long ullmax = (unsigned long long) -1;
+ return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
+ ac_cv_type_unsigned_long_long=yes,
+ ac_cv_type_unsigned_long_long=no)])
+ if test $ac_cv_type_unsigned_long_long = yes; then
+ AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
+ [Define if you have the unsigned long long type.])
+ fi
+])
+
+dnl From gnulib
+AC_DEFUN([BASH_FUNC_FPURGE],
+[
+ AC_CHECK_FUNCS_ONCE([fpurge])
+ AC_CHECK_FUNCS_ONCE([__fpurge])
+ AC_CHECK_DECLS([fpurge], , , [#include <stdio.h>])
+])
/* If there is a backslash-escaped character quoted in TOKEN,
then we don't do alias expansion. This should check for all
other quoting characters, too. */
- if (xstrchr (token, '\\'))
+ if (mbschr (token, '\\'))
expand_this_token = 0;
/* If we should be expanding here, if we are expanding all words, or if
--- /dev/null
+/* alias.c -- Not a full alias, but just the kind that we use in the
+ shell. Csh style alias is somewhere else (`over there, in a box'). */
+
+/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "config.h"
+
+#if defined (ALIAS)
+
+#if defined (HAVE_UNISTD_H)
+# ifdef _MINIX
+# include <sys/types.h>
+# endif
+# include <unistd.h>
+#endif
+
+#include <stdio.h>
+#include "chartypes.h"
+#include "bashansi.h"
+#include "command.h"
+#include "general.h"
+#include "externs.h"
+#include "alias.h"
+
+#if defined (PROGRAMMABLE_COMPLETION)
+# include "pcomplete.h"
+#endif
+
+#define ALIAS_HASH_BUCKETS 16 /* must be power of two */
+
+typedef int sh_alias_map_func_t __P((alias_t *));
+
+static void free_alias_data __P((PTR_T));
+static alias_t **map_over_aliases __P((sh_alias_map_func_t *));
+static void sort_aliases __P((alias_t **));
+static int qsort_alias_compare __P((alias_t **, alias_t **));
+
+#if defined (READLINE)
+static int skipquotes __P((char *, int));
+static int skipws __P((char *, int));
+static int rd_token __P((char *, int));
+#endif
+
+/* Non-zero means expand all words on the line. Otherwise, expand
+ after first expansion if the expansion ends in a space. */
+int alias_expand_all = 0;
+
+/* The list of aliases that we have. */
+HASH_TABLE *aliases = (HASH_TABLE *)NULL;
+
+void
+initialize_aliases ()
+{
+ if (aliases == 0)
+ aliases = hash_create (ALIAS_HASH_BUCKETS);
+}
+
+/* Scan the list of aliases looking for one with NAME. Return NULL
+ if the alias doesn't exist, else a pointer to the alias_t. */
+alias_t *
+find_alias (name)
+ char *name;
+{
+ BUCKET_CONTENTS *al;
+
+ if (aliases == 0)
+ return ((alias_t *)NULL);
+
+ al = hash_search (name, aliases, 0);
+ return (al ? (alias_t *)al->data : (alias_t *)NULL);
+}
+
+/* Return the value of the alias for NAME, or NULL if there is none. */
+char *
+get_alias_value (name)
+ char *name;
+{
+ alias_t *alias;
+
+ if (aliases == 0)
+ return ((char *)NULL);
+
+ alias = find_alias (name);
+ return (alias ? alias->value : (char *)NULL);
+}
+
+/* Make a new alias from NAME and VALUE. If NAME can be found,
+ then replace its value. */
+void
+add_alias (name, value)
+ char *name, *value;
+{
+ BUCKET_CONTENTS *elt;
+ alias_t *temp;
+ int n;
+
+ if (!aliases)
+ {
+ initialize_aliases ();
+ temp = (alias_t *)NULL;
+ }
+ else
+ temp = find_alias (name);
+
+ if (temp)
+ {
+ free (temp->value);
+ temp->value = savestring (value);
+ temp->flags &= ~AL_EXPANDNEXT;
+ n = value[strlen (value) - 1];
+ if (n == ' ' || n == '\t')
+ temp->flags |= AL_EXPANDNEXT;
+ }
+ else
+ {
+ temp = (alias_t *)xmalloc (sizeof (alias_t));
+ temp->name = savestring (name);
+ temp->value = savestring (value);
+ temp->flags = 0;
+
+ n = value[strlen (value) - 1];
+ if (n == ' ' || n == '\t')
+ temp->flags |= AL_EXPANDNEXT;
+
+ elt = hash_insert (savestring (name), aliases, HASH_NOSRCH);
+ elt->data = temp;
+#if defined (PROGRAMMABLE_COMPLETION)
+ set_itemlist_dirty (&it_aliases);
+#endif
+ }
+}
+
+/* Delete a single alias structure. */
+static void
+free_alias_data (data)
+ PTR_T data;
+{
+ register alias_t *a;
+
+ a = (alias_t *)data;
+ free (a->value);
+ free (a->name);
+ free (data);
+}
+
+/* Remove the alias with name NAME from the alias table. Returns
+ the number of aliases left in the table, or -1 if the alias didn't
+ exist. */
+int
+remove_alias (name)
+ char *name;
+{
+ BUCKET_CONTENTS *elt;
+
+ if (aliases == 0)
+ return (-1);
+
+ elt = hash_remove (name, aliases, 0);
+ if (elt)
+ {
+ free_alias_data (elt->data);
+ free (elt->key); /* alias name */
+ free (elt); /* XXX */
+#if defined (PROGRAMMABLE_COMPLETION)
+ set_itemlist_dirty (&it_aliases);
+#endif
+ return (aliases->nentries);
+ }
+ return (-1);
+}
+
+/* Delete all aliases. */
+void
+delete_all_aliases ()
+{
+ if (aliases == 0)
+ return;
+
+ hash_flush (aliases, free_alias_data);
+ hash_dispose (aliases);
+ aliases = (HASH_TABLE *)NULL;
+#if defined (PROGRAMMABLE_COMPLETION)
+ set_itemlist_dirty (&it_aliases);
+#endif
+}
+
+/* Return an array of aliases that satisfy the conditions tested by FUNCTION.
+ If FUNCTION is NULL, return all aliases. */
+static alias_t **
+map_over_aliases (function)
+ sh_alias_map_func_t *function;
+{
+ register int i;
+ register BUCKET_CONTENTS *tlist;
+ alias_t *alias, **list;
+ int list_index;
+
+ i = HASH_ENTRIES (aliases);
+ if (i == 0)
+ return ((alias_t **)NULL);
+
+ list = (alias_t **)xmalloc ((i + 1) * sizeof (alias_t *));
+ for (i = list_index = 0; i < aliases->nbuckets; i++)
+ {
+ for (tlist = hash_items (i, aliases); tlist; tlist = tlist->next)
+ {
+ alias = (alias_t *)tlist->data;
+
+ if (!function || (*function) (alias))
+ {
+ list[list_index++] = alias;
+ list[list_index] = (alias_t *)NULL;
+ }
+ }
+ }
+ return (list);
+}
+
+static void
+sort_aliases (array)
+ alias_t **array;
+{
+ qsort (array, strvec_len ((char **)array), sizeof (alias_t *), (QSFUNC *)qsort_alias_compare);
+}
+
+static int
+qsort_alias_compare (as1, as2)
+ alias_t **as1, **as2;
+{
+ int result;
+
+ if ((result = (*as1)->name[0] - (*as2)->name[0]) == 0)
+ result = strcmp ((*as1)->name, (*as2)->name);
+
+ return (result);
+}
+
+/* Return a sorted list of all defined aliases */
+alias_t **
+all_aliases ()
+{
+ alias_t **list;
+
+ if (aliases == 0 || HASH_ENTRIES (aliases) == 0)
+ return ((alias_t **)NULL);
+
+ list = map_over_aliases ((sh_alias_map_func_t *)NULL);
+ if (list)
+ sort_aliases (list);
+ return (list);
+}
+
+char *
+alias_expand_word (s)
+ char *s;
+{
+ alias_t *r;
+
+ r = find_alias (s);
+ return (r ? savestring (r->value) : (char *)NULL);
+}
+
+/* Readline support functions -- expand all aliases in a line. */
+
+#if defined (READLINE)
+
+/* Return non-zero if CHARACTER is a member of the class of characters
+ that are self-delimiting in the shell (this really means that these
+ characters delimit tokens). */
+#define self_delimiting(character) (member ((character), " \t\n\r;|&()"))
+
+/* Return non-zero if CHARACTER is a member of the class of characters
+ that delimit commands in the shell. */
+#define command_separator(character) (member ((character), "\r\n;|&("))
+
+/* If this is 1, we are checking the next token read for alias expansion
+ because it is the first word in a command. */
+static int command_word;
+
+/* This is for skipping quoted strings in alias expansions. */
+#define quote_char(c) (((c) == '\'') || ((c) == '"'))
+
+/* Consume a quoted string from STRING, starting at string[START] (so
+ string[START] is the opening quote character), and return the index
+ of the closing quote character matching the opening quote character.
+ This handles single matching pairs of unquoted quotes; it could afford
+ to be a little smarter... This skips words between balanced pairs of
+ quotes, words where the first character is quoted with a `\', and other
+ backslash-escaped characters. */
+
+static int
+skipquotes (string, start)
+ char *string;
+ int start;
+{
+ register int i;
+ int delimiter = string[start];
+
+ /* i starts at START + 1 because string[START] is the opening quote
+ character. */
+ for (i = start + 1 ; string[i] ; i++)
+ {
+ if (string[i] == '\\')
+ {
+ i++; /* skip backslash-quoted quote characters, too */
+ continue;
+ }
+
+ if (string[i] == delimiter)
+ return i;
+ }
+ return (i);
+}
+
+/* Skip the white space and any quoted characters in STRING, starting at
+ START. Return the new index into STRING, after zero or more characters
+ have been skipped. */
+static int
+skipws (string, start)
+ char *string;
+ int start;
+{
+ register int i;
+ int pass_next, backslash_quoted_word;
+ unsigned char peekc;
+
+ /* skip quoted strings, in ' or ", and words in which a character is quoted
+ with a `\'. */
+ i = backslash_quoted_word = pass_next = 0;
+
+ /* Skip leading whitespace (or separator characters), and quoted words.
+ But save it in the output. */
+
+ for (i = start; string[i]; i++)
+ {
+ if (pass_next)
+ {
+ pass_next = 0;
+ continue;
+ }
+
+ if (whitespace (string[i]))
+ {
+ backslash_quoted_word = 0; /* we are no longer in a backslash-quoted word */
+ continue;
+ }
+
+ if (string[i] == '\\')
+ {
+ peekc = string[i+1];
+ if (ISLETTER (peekc))
+ backslash_quoted_word++; /* this is a backslash-quoted word */
+ else
+ pass_next++;
+ continue;
+ }
+
+ /* This only handles single pairs of non-escaped quotes. This
+ overloads backslash_quoted_word to also mean that a word like
+ ""f is being scanned, so that the quotes will inhibit any expansion
+ of the word. */
+ if (quote_char(string[i]))
+ {
+ i = skipquotes (string, i);
+ /* This could be a line that contains a single quote character,
+ in which case skipquotes () terminates with string[i] == '\0'
+ (the end of the string). Check for that here. */
+ if (string[i] == '\0')
+ break;
+
+ peekc = string[i + 1];
+ if (ISLETTER (peekc))
+ backslash_quoted_word++;
+ continue;
+ }
+
+ /* If we're in the middle of some kind of quoted word, let it
+ pass through. */
+ if (backslash_quoted_word)
+ continue;
+
+ /* If this character is a shell command separator, then set a hint for
+ alias_expand that the next token is the first word in a command. */
+
+ if (command_separator (string[i]))
+ {
+ command_word++;
+ continue;
+ }
+ break;
+ }
+ return (i);
+}
+
+/* Characters that may appear in a token. Basically, anything except white
+ space and a token separator. */
+#define token_char(c) (!((whitespace (string[i]) || self_delimiting (string[i]))))
+
+/* Read from START in STRING until the next separator character, and return
+ the index of that separator. Skip backslash-quoted characters. Call
+ skipquotes () for quoted strings in the middle or at the end of tokens,
+ so all characters show up (e.g. foo'' and foo""bar) */
+static int
+rd_token (string, start)
+ char *string;
+ int start;
+{
+ register int i;
+
+ /* From here to next separator character is a token. */
+ for (i = start; string[i] && token_char (string[i]); i++)
+ {
+ if (string[i] == '\\')
+ {
+ i++; /* skip backslash-escaped character */
+ continue;
+ }
+
+ /* If this character is a quote character, we want to call skipquotes
+ to get the whole quoted portion as part of this word. That word
+ will not generally match an alias, even if te unquoted word would
+ have. The presence of the quotes in the token serves then to
+ inhibit expansion. */
+ if (quote_char (string[i]))
+ {
+ i = skipquotes (string, i);
+ /* This could be a line that contains a single quote character,
+ in which case skipquotes () terminates with string[i] == '\0'
+ (the end of the string). Check for that here. */
+ if (string[i] == '\0')
+ break;
+
+ /* Now string[i] is the matching quote character, and the
+ quoted portion of the token has been scanned. */
+ continue;
+ }
+ }
+ return (i);
+}
+
+/* Return a new line, with any aliases substituted. */
+char *
+alias_expand (string)
+ char *string;
+{
+ register int i, j, start;
+ char *line, *token;
+ int line_len, tl, real_start, expand_next, expand_this_token;
+ alias_t *alias;
+
+ line_len = strlen (string) + 1;
+ line = (char *)xmalloc (line_len);
+ token = (char *)xmalloc (line_len);
+
+ line[0] = i = 0;
+ expand_next = 0;
+ command_word = 1; /* initialized to expand the first word on the line */
+
+ /* Each time through the loop we find the next word in line. If it
+ has an alias, substitute the alias value. If the value ends in ` ',
+ then try again with the next word. Else, if there is no value, or if
+ the value does not end in space, we are done. */
+
+ for (;;)
+ {
+
+ token[0] = 0;
+ start = i;
+
+ /* Skip white space and quoted characters */
+ i = skipws (string, start);
+
+ if (start == i && string[i] == '\0')
+ {
+ free (token);
+ return (line);
+ }
+
+ /* copy the just-skipped characters into the output string,
+ expanding it if there is not enough room. */
+ j = strlen (line);
+ tl = i - start; /* number of characters just skipped */
+ RESIZE_MALLOCED_BUFFER (line, j, (tl + 1), line_len, (tl + 50));
+ strncpy (line + j, string + start, tl);
+ line[j + tl] = '\0';
+
+ real_start = i;
+
+ command_word = command_word || (command_separator (string[i]));
+ expand_this_token = (command_word || expand_next);
+ expand_next = 0;
+
+ /* Read the next token, and copy it into TOKEN. */
+ start = i;
+ i = rd_token (string, start);
+
+ tl = i - start; /* token length */
+
+ /* If tl == 0, but we're not at the end of the string, then we have a
+ single-character token, probably a delimiter */
+ if (tl == 0 && string[i] != '\0')
+ {
+ tl = 1;
+ i++; /* move past it */
+ }
+
+ strncpy (token, string + start, tl);
+ token [tl] = '\0';
+
+ /* If there is a backslash-escaped character quoted in TOKEN,
+ then we don't do alias expansion. This should check for all
+ other quoting characters, too. */
+ if (xstrchr (token, '\\'))
+ expand_this_token = 0;
+
+ /* If we should be expanding here, if we are expanding all words, or if
+ we are in a location in the string where an expansion is supposed to
+ take place, see if this word has a substitution. If it does, then do
+ the expansion. Note that we defer the alias value lookup until we
+ are sure we are expanding this token. */
+
+ if ((token[0]) &&
+ (expand_this_token || alias_expand_all) &&
+ (alias = find_alias (token)))
+ {
+ char *v;
+ int vlen, llen;
+
+ v = alias->value;
+ vlen = strlen (v);
+ llen = strlen (line);
+
+ /* +3 because we possibly add one more character below. */
+ RESIZE_MALLOCED_BUFFER (line, llen, (vlen + 3), line_len, (vlen + 50));
+
+ strcpy (line + llen, v);
+
+ if ((expand_this_token && vlen && whitespace (v[vlen - 1])) ||
+ alias_expand_all)
+ expand_next = 1;
+ }
+ else
+ {
+ int llen, tlen;
+
+ llen = strlen (line);
+ tlen = i - real_start; /* tlen == strlen(token) */
+
+ RESIZE_MALLOCED_BUFFER (line, llen, (tlen + 1), line_len, (llen + tlen + 50));
+
+ strncpy (line + llen, string + real_start, tlen);
+ line[llen + tlen] = '\0';
+ }
+ command_word = 0;
+ }
+}
+#endif /* READLINE */
+#endif /* ALIAS */
if (l->word == 0 || l->word->word == 0 || l->word->word[0] == '\0')
continue; /* should not happen, but just in case... */
/* Don't bother if it doesn't look like [ind]=value */
- if (l->word->word[0] != '[' || xstrchr (l->word->word, '=') == 0) /* ] */
+ if (l->word->word[0] != '[' || mbschr (l->word->word, '=') == 0) /* ] */
continue;
nword = quote_assign (l->word->word);
free (l->word->word);
char *t;
int r, len;
- t = xstrchr (name, '['); /* ] */
+ t = mbschr (name, '['); /* ] */
if (t)
{
*t = '\0';
char *t, *ret;
int ind, ni;
- t = xstrchr (s, '[');
+ t = mbschr (s, '[');
if (t == 0)
{
if (subp)
}
}
-/* This function assumes s[i] == '['; returns with s[ret] == ']' if
- an array subscript is correctly parsed. */
-int
-skipsubscript (s, i)
- const char *s;
- int i;
-{
-#if 0
- int count, c;
-#if defined (HANDLE_MULTIBYTE)
- mbstate_t state, state_bak;
- size_t slength, mblength;
-#endif
-
-#if defined (HANDLE_MULTIBYTE)
- memset (&state, '\0', sizeof (mbstate_t));
- slength = strlen (s + i);
-#endif
-
- count = 1;
- while (count)
- {
- /* Advance one (possibly multibyte) character in S starting at I. */
-#if defined (HANDLE_MULTIBYTE)
- if (MB_CUR_MAX > 1)
- {
- state_bak = state;
- mblength = mbrlen (s + i, slength, &state);
-
- if (MB_INVALIDCH (mblength))
- {
- state = state_bak;
- i++;
- slength--;
- }
- else if (MB_NULLWCH (mblength))
- return i;
- else
- {
- i += mblength;
- slength -= mblength;
- }
- }
- else
-#endif
- ++i;
-
- c = s[i];
-
- if (c == 0)
- break;
- else if (c == '[')
- count++;
- else if (c == ']')
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bash configure 4.0-maint
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$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_hdr" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define CRAY_STACKSEG_END $ac_func
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func__doprnt" >&5
$as_echo "$ac_cv_func__doprnt" >&6; }
-if test "x$ac_cv_func__doprnt" = x""yes; then
+if test $ac_cv_func__doprnt = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_DOPRNT 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func___setostype" >&5
$as_echo "$ac_cv_func___setostype" >&6; }
-if test "x$ac_cv_func___setostype" = x""yes; then
+if test $ac_cv_func___setostype = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_SETOSTYPE 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_wait3" >&5
$as_echo "$ac_cv_func_wait3" >&6; }
-if test "x$ac_cv_func_wait3" = x""yes; then
+if test $ac_cv_func_wait3 = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_WAIT3 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_isinf" >&5
$as_echo "$ac_cv_func_isinf" >&6; }
-if test "x$ac_cv_func_isinf" = x""yes; then
+if test $ac_cv_func_isinf = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_ISINF_IN_LIBC 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_isnan" >&5
$as_echo "$ac_cv_func_isnan" >&6; }
-if test "x$ac_cv_func_isnan" = x""yes; then
+if test $ac_cv_func_isnan = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_ISNAN_IN_LIBC 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_mkfifo" >&5
$as_echo "$ac_cv_func_mkfifo" >&6; }
-if test "x$ac_cv_func_mkfifo" = x""yes; then
+if test $ac_cv_func_mkfifo = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_MKFIFO 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
-for ac_func in bcopy bzero confstr fnmatch \
- getaddrinfo gethostbyname getservbyname getservent inet_aton \
- memmove pathconf putenv raise regcomp regexec \
- setenv setlinebuf setlocale setvbuf siginterrupt strchr \
- sysconf tcgetattr times ttyname tzset unsetenv
+for ac_func in bcopy bzero confstr fnmatch \
+ getaddrinfo gethostbyname getservbyname getservent inet_aton \
+ memmove pathconf putenv raise regcomp regexec \
+ setenv setlinebuf setlocale setvbuf siginterrupt strchr \
+ sysconf tcgetattr times ttyname tzset unsetenv
+do
+as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
+$as_echo_n "checking for $ac_func... " >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+ $as_echo_n "(cached) " >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char $ac_func (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext && {
+ test "$cross_compiling" = yes ||
+ $as_test_x conftest$ac_exeext
+ }; then
+ eval "$as_ac_var=yes"
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ eval "$as_ac_var=no"
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'`
+ { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
+
+
+
+
+for ac_func in vsnprintf snprintf vasprintf asprintf
do
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
-for ac_func in vsnprintf snprintf vasprintf asprintf
+
+for ac_func in isascii isblank isgraph isprint isspace isxdigit
do
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
-
-
-
-for ac_func in isascii isblank isgraph isprint isspace isxdigit
+for ac_func in getpwent getpwnam getpwuid
do
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
-
-for ac_func in getpwent getpwnam getpwuid
+for ac_func in getcwd memset
do
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
+else
+ case " $LIB@&t@OBJS " in
+ *" $ac_func.$ac_objext "* ) ;;
+ *) LIB@&t@OBJS="$LIB@&t@OBJS $ac_func.$ac_objext"
+ ;;
+esac
+
fi
done
-for ac_func in getcwd memset strcasecmp strerror strftime strnlen strpbrk strstr
+for ac_func in strcasecmp strcasestr strerror strftime strnlen strpbrk strstr
do
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_confstr" >&5
$as_echo "$ac_cv_have_decl_confstr" >&6; }
-if test "x$ac_cv_have_decl_confstr" = x""yes; then
+if test $ac_cv_have_decl_confstr = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_DECL_CONFSTR 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_printf" >&5
$as_echo "$ac_cv_have_decl_printf" >&6; }
-if test "x$ac_cv_have_decl_printf" = x""yes; then
+if test $ac_cv_have_decl_printf = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_DECL_PRINTF 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_sbrk" >&5
$as_echo "$ac_cv_have_decl_sbrk" >&6; }
-if test "x$ac_cv_have_decl_sbrk" = x""yes; then
+if test $ac_cv_have_decl_sbrk = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_DECL_SBRK 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_setregid" >&5
$as_echo "$ac_cv_have_decl_setregid" >&6; }
-if test "x$ac_cv_have_decl_setregid" = x""yes; then
+if test $ac_cv_have_decl_setregid = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_DECL_SETREGID 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_strcpy" >&5
$as_echo "$ac_cv_have_decl_strcpy" >&6; }
-if test "x$ac_cv_have_decl_strcpy" = x""yes; then
+if test $ac_cv_have_decl_strcpy = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_DECL_STRCPY 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_strsignal" >&5
$as_echo "$ac_cv_have_decl_strsignal" >&6; }
-if test "x$ac_cv_have_decl_strsignal" = x""yes; then
+if test $ac_cv_have_decl_strsignal = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_DECL_STRSIGNAL 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_strtold" >&5
$as_echo "$ac_cv_have_decl_strtold" >&6; }
-if test "x$ac_cv_have_decl_strtold" = x""yes; then
+if test $ac_cv_have_decl_strtold = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_DECL_STRTOLD 1
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_mbrlen" >&5
$as_echo "$ac_cv_func_mbrlen" >&6; }
-if test "x$ac_cv_func_mbrlen" = x""yes; then
+if test $ac_cv_func_mbrlen = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_MBRLEN 1
_ACEOF
fi
+{ $as_echo "$as_me:$LINENO: checking for mbscasecmp" >&5
+$as_echo_n "checking for mbscasecmp... " >&6; }
+if test "${ac_cv_func_mbscasecmp+set}" = set; then
+ $as_echo_n "(cached) " >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+/* Define mbscasecmp to an innocuous variant, in case <limits.h> declares mbscasecmp.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define mbscasecmp innocuous_mbscasecmp
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char mbscasecmp (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef mbscasecmp
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char mbscasecmp ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined __stub_mbscasecmp || defined __stub___mbscasecmp
+choke me
+#endif
+
+int
+main ()
+{
+return mbscasecmp ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext && {
+ test "$cross_compiling" = yes ||
+ $as_test_x conftest$ac_exeext
+ }; then
+ ac_cv_func_mbscasecmp=yes
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_func_mbscasecmp=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_mbscasecmp" >&5
+$as_echo "$ac_cv_func_mbscasecmp" >&6; }
+if test $ac_cv_func_mbscasecmp = yes; then
+ cat >>confdefs.h <<\_ACEOF
+@%:@define HAVE_MBSCMP 1
+_ACEOF
+
+fi
+
{ $as_echo "$as_me:$LINENO: checking for mbscmp" >&5
$as_echo_n "checking for mbscmp... " >&6; }
if test "${ac_cv_func_mbscmp+set}" = set; then
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_mbscmp" >&5
$as_echo "$ac_cv_func_mbscmp" >&6; }
-if test "x$ac_cv_func_mbscmp" = x""yes; then
+if test $ac_cv_func_mbscmp = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_MBSCMP 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_mbsrtowcs" >&5
$as_echo "$ac_cv_func_mbsrtowcs" >&6; }
-if test "x$ac_cv_func_mbsrtowcs" = x""yes; then
+if test $ac_cv_func_mbsrtowcs = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_MBSRTOWCS 1
_ACEOF
fi
+
+for ac_func in mbschr
+do
+as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
+$as_echo_n "checking for $ac_func... " >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+ $as_echo_n "(cached) " >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char $ac_func (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext && {
+ test "$cross_compiling" = yes ||
+ $as_test_x conftest$ac_exeext
+ }; then
+ eval "$as_ac_var=yes"
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ eval "$as_ac_var=no"
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'`
+ { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+ case " $LIB@&t@OBJS " in
+ *" $ac_func.$ac_objext "* ) ;;
+ *) LIB@&t@OBJS="$LIB@&t@OBJS $ac_func.$ac_objext"
+ ;;
+esac
+
+fi
+done
+
+
+
{ $as_echo "$as_me:$LINENO: checking for wcrtomb" >&5
$as_echo_n "checking for wcrtomb... " >&6; }
if test "${ac_cv_func_wcrtomb+set}" = set; then
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_wcrtomb" >&5
$as_echo "$ac_cv_func_wcrtomb" >&6; }
-if test "x$ac_cv_func_wcrtomb" = x""yes; then
+if test $ac_cv_func_wcrtomb = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_WCRTOMB 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_wcscoll" >&5
$as_echo "$ac_cv_func_wcscoll" >&6; }
-if test "x$ac_cv_func_wcscoll" = x""yes; then
+if test $ac_cv_func_wcscoll = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_WCSCOLL 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_wcsdup" >&5
$as_echo "$ac_cv_func_wcsdup" >&6; }
-if test "x$ac_cv_func_wcsdup" = x""yes; then
+if test $ac_cv_func_wcsdup = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_WCSDUP 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_wcwidth" >&5
$as_echo "$ac_cv_func_wcwidth" >&6; }
-if test "x$ac_cv_func_wcwidth" = x""yes; then
+if test $ac_cv_func_wcwidth = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_WCWIDTH 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_wctype" >&5
$as_echo "$ac_cv_func_wctype" >&6; }
-if test "x$ac_cv_func_wctype" = x""yes; then
+if test $ac_cv_func_wctype = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define HAVE_WCTYPE 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlopen" >&5
$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = x""yes; then
+if test $ac_cv_lib_dl_dlopen = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_LIBDL 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_sys_siglist" >&5
$as_echo "$ac_cv_have_decl_sys_siglist" >&6; }
-if test "x$ac_cv_have_decl_sys_siglist" = x""yes; then
+if test $ac_cv_have_decl_sys_siglist = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_DECL_SYS_SIGLIST 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_sun_getpwent" >&5
$as_echo "$ac_cv_lib_sun_getpwent" >&6; }
-if test "x$ac_cv_lib_sun_getpwent" = x""yes; then
+if test $ac_cv_lib_sun_getpwent = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_LIBSUN 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_socket_getpeername" >&5
$as_echo "$ac_cv_lib_socket_getpeername" >&6; }
-if test "x$ac_cv_lib_socket_getpeername" = x""yes; then
+if test $ac_cv_lib_socket_getpeername = yes; then
bash_cv_have_socklib=yes
else
bash_cv_have_socklib=no
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_nsl_t_open" >&5
$as_echo "$ac_cv_lib_nsl_t_open" >&6; }
-if test "x$ac_cv_lib_nsl_t_open" = x""yes; then
+if test $ac_cv_lib_nsl_t_open = yes; then
bash_cv_have_libnsl=yes
else
bash_cv_have_libnsl=no
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_off_t" >&5
$as_echo "$ac_cv_type_off_t" >&6; }
-if test "x$ac_cv_type_off_t" = x""yes; then
+if test $ac_cv_type_off_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_mode_t" >&5
$as_echo "$ac_cv_type_mode_t" >&6; }
-if test "x$ac_cv_type_mode_t" = x""yes; then
+if test $ac_cv_type_mode_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_pid_t" >&5
$as_echo "$ac_cv_type_pid_t" >&6; }
-if test "x$ac_cv_type_pid_t" = x""yes; then
+if test $ac_cv_type_pid_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5
$as_echo "$ac_cv_type_size_t" >&6; }
-if test "x$ac_cv_type_size_t" = x""yes; then
+if test $ac_cv_type_size_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_ssize_t" >&5
$as_echo "$ac_cv_type_ssize_t" >&6; }
-if test "x$ac_cv_type_ssize_t" = x""yes; then
+if test $ac_cv_type_ssize_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_time_t" >&5
$as_echo "$ac_cv_type_time_t" >&6; }
-if test "x$ac_cv_type_time_t" = x""yes; then
+if test $ac_cv_type_time_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_sig_atomic_t" >&5
$as_echo "$ac_cv_type_sig_atomic_t" >&6; }
-if test "x$ac_cv_type_sig_atomic_t" = x""yes; then
+if test $ac_cv_type_sig_atomic_t = yes; then
:
else
case $ac_lo in
?*) ac_cv_sizeof_char=$ac_lo;;
'') if test "$ac_cv_type_char" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (char)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_char=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_char" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (char)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_char=0
fi
case $ac_lo in
?*) ac_cv_sizeof_short=$ac_lo;;
'') if test "$ac_cv_type_short" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (short)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (short)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (short)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_short=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_short" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (short)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (short)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (short)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_short=0
fi
case $ac_lo in
?*) ac_cv_sizeof_int=$ac_lo;;
'') if test "$ac_cv_type_int" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (int)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (int)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (int)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_int=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_int" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (int)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (int)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (int)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_int=0
fi
case $ac_lo in
?*) ac_cv_sizeof_long=$ac_lo;;
'') if test "$ac_cv_type_long" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (long)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_long=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_long" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (long)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_long=0
fi
case $ac_lo in
?*) ac_cv_sizeof_char_p=$ac_lo;;
'') if test "$ac_cv_type_char_p" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char *)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char *)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (char *)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_char_p=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_char_p" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char *)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char *)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (char *)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_char_p=0
fi
case $ac_lo in
?*) ac_cv_sizeof_double=$ac_lo;;
'') if test "$ac_cv_type_double" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (double)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (double)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (double)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_double=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_double" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (double)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (double)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (double)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_double=0
fi
case $ac_lo in
?*) ac_cv_sizeof_long_long=$ac_lo;;
'') if test "$ac_cv_type_long_long" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long long)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long long)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (long long)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_long_long=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_long_long" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long long)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long long)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (long long)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_long_long=0
fi
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_int" >&5
$as_echo "$ac_cv_type_u_int" >&6; }
-if test "x$ac_cv_type_u_int" = x""yes; then
+if test $ac_cv_type_u_int = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_long" >&5
$as_echo "$ac_cv_type_u_long" >&6; }
-if test "x$ac_cv_type_u_long" = x""yes; then
+if test $ac_cv_type_u_long = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits16_t" >&5
$as_echo "$ac_cv_type_bits16_t" >&6; }
-if test "x$ac_cv_type_bits16_t" = x""yes; then
+if test $ac_cv_type_bits16_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits16_t" >&5
$as_echo "$ac_cv_type_bits16_t" >&6; }
-if test "x$ac_cv_type_bits16_t" = x""yes; then
+if test $ac_cv_type_bits16_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits16_t" >&5
$as_echo "$ac_cv_type_bits16_t" >&6; }
-if test "x$ac_cv_type_bits16_t" = x""yes; then
+if test $ac_cv_type_bits16_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_bits16_t" >&5
$as_echo "$ac_cv_type_u_bits16_t" >&6; }
-if test "x$ac_cv_type_u_bits16_t" = x""yes; then
+if test $ac_cv_type_u_bits16_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_bits16_t" >&5
$as_echo "$ac_cv_type_u_bits16_t" >&6; }
-if test "x$ac_cv_type_u_bits16_t" = x""yes; then
+if test $ac_cv_type_u_bits16_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_bits16_t" >&5
$as_echo "$ac_cv_type_u_bits16_t" >&6; }
-if test "x$ac_cv_type_u_bits16_t" = x""yes; then
+if test $ac_cv_type_u_bits16_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits32_t" >&5
$as_echo "$ac_cv_type_bits32_t" >&6; }
-if test "x$ac_cv_type_bits32_t" = x""yes; then
+if test $ac_cv_type_bits32_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits32_t" >&5
$as_echo "$ac_cv_type_bits32_t" >&6; }
-if test "x$ac_cv_type_bits32_t" = x""yes; then
+if test $ac_cv_type_bits32_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits32_t" >&5
$as_echo "$ac_cv_type_bits32_t" >&6; }
-if test "x$ac_cv_type_bits32_t" = x""yes; then
+if test $ac_cv_type_bits32_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_bits32_t" >&5
$as_echo "$ac_cv_type_u_bits32_t" >&6; }
-if test "x$ac_cv_type_u_bits32_t" = x""yes; then
+if test $ac_cv_type_u_bits32_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_bits32_t" >&5
$as_echo "$ac_cv_type_u_bits32_t" >&6; }
-if test "x$ac_cv_type_u_bits32_t" = x""yes; then
+if test $ac_cv_type_u_bits32_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_bits32_t" >&5
$as_echo "$ac_cv_type_u_bits32_t" >&6; }
-if test "x$ac_cv_type_u_bits32_t" = x""yes; then
+if test $ac_cv_type_u_bits32_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits64_t" >&5
$as_echo "$ac_cv_type_bits64_t" >&6; }
-if test "x$ac_cv_type_bits64_t" = x""yes; then
+if test $ac_cv_type_bits64_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits64_t" >&5
$as_echo "$ac_cv_type_bits64_t" >&6; }
-if test "x$ac_cv_type_bits64_t" = x""yes; then
+if test $ac_cv_type_bits64_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits64_t" >&5
$as_echo "$ac_cv_type_bits64_t" >&6; }
-if test "x$ac_cv_type_bits64_t" = x""yes; then
+if test $ac_cv_type_bits64_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits64_t" >&5
$as_echo "$ac_cv_type_bits64_t" >&6; }
-if test "x$ac_cv_type_bits64_t" = x""yes; then
+if test $ac_cv_type_bits64_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits64_t" >&5
$as_echo "$ac_cv_type_bits64_t" >&6; }
-if test "x$ac_cv_type_bits64_t" = x""yes; then
+if test $ac_cv_type_bits64_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_ptrdiff_t" >&5
$as_echo "$ac_cv_type_ptrdiff_t" >&6; }
-if test "x$ac_cv_type_ptrdiff_t" = x""yes; then
+if test $ac_cv_type_ptrdiff_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_ptrdiff_t" >&5
$as_echo "$ac_cv_type_ptrdiff_t" >&6; }
-if test "x$ac_cv_type_ptrdiff_t" = x""yes; then
+if test $ac_cv_type_ptrdiff_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_ptrdiff_t" >&5
$as_echo "$ac_cv_type_ptrdiff_t" >&6; }
-if test "x$ac_cv_type_ptrdiff_t" = x""yes; then
+if test $ac_cv_type_ptrdiff_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_ptrdiff_t" >&5
$as_echo "$ac_cv_type_ptrdiff_t" >&6; }
-if test "x$ac_cv_type_ptrdiff_t" = x""yes; then
+if test $ac_cv_type_ptrdiff_t = yes; then
:
else
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
#include <sys/times.h>
_ACEOF
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
#include <signal.h>
_ACEOF
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
_ACEOF
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
_ACEOF
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
_ACEOF
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
#include <sys/socket.h>
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_member_struct_termios_c_line" >&5
$as_echo "$ac_cv_member_struct_termios_c_line" >&6; }
-if test "x$ac_cv_member_struct_termios_c_line" = x""yes; then
+if test $ac_cv_member_struct_termios_c_line = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define TERMIOS_LDISC 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_member_struct_termio_c_line" >&5
$as_echo "$ac_cv_member_struct_termio_c_line" >&6; }
-if test "x$ac_cv_member_struct_termio_c_line" = x""yes; then
+if test $ac_cv_member_struct_termio_c_line = yes; then
cat >>confdefs.h <<\_ACEOF
@%:@define TERMIO_LDISC 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_member_struct_stat_st_blocks" >&5
$as_echo "$ac_cv_member_struct_stat_st_blocks" >&6; }
-if test "x$ac_cv_member_struct_stat_st_blocks" = x""yes; then
+if test $ac_cv_member_struct_stat_st_blocks = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_STRUCT_STAT_ST_BLOCKS 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_member_struct_tm_tm_zone" >&5
$as_echo "$ac_cv_member_struct_tm_tm_zone" >&6; }
-if test "x$ac_cv_member_struct_tm_tm_zone" = x""yes; then
+if test $ac_cv_member_struct_tm_tm_zone = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_STRUCT_TM_TM_ZONE 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_tzname" >&5
$as_echo "$ac_cv_have_decl_tzname" >&6; }
-if test "x$ac_cv_have_decl_tzname" = x""yes; then
+if test $ac_cv_have_decl_tzname = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_DECL_TZNAME 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_fpurge" >&5
$as_echo "$ac_cv_have_decl_fpurge" >&6; }
-if test "x$ac_cv_have_decl_fpurge" = x""yes; then
+if test $ac_cv_have_decl_fpurge = yes; then
cat >>confdefs.h <<_ACEOF
@%:@define HAVE_DECL_FPURGE 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_tgetent" >&5
$as_echo "$ac_cv_func_tgetent" >&6; }
-if test "x$ac_cv_func_tgetent" = x""yes; then
+if test $ac_cv_func_tgetent = yes; then
bash_cv_termcap_lib=libc
else
{ $as_echo "$as_me:$LINENO: checking for tgetent in -ltermcap" >&5
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_termcap_tgetent" >&5
$as_echo "$ac_cv_lib_termcap_tgetent" >&6; }
-if test "x$ac_cv_lib_termcap_tgetent" = x""yes; then
+if test $ac_cv_lib_termcap_tgetent = yes; then
bash_cv_termcap_lib=libtermcap
else
{ $as_echo "$as_me:$LINENO: checking for tgetent in -ltinfo" >&5
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_tinfo_tgetent" >&5
$as_echo "$ac_cv_lib_tinfo_tgetent" >&6; }
-if test "x$ac_cv_lib_tinfo_tgetent" = x""yes; then
+if test $ac_cv_lib_tinfo_tgetent = yes; then
bash_cv_termcap_lib=libtinfo
else
{ $as_echo "$as_me:$LINENO: checking for tgetent in -lcurses" >&5
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_curses_tgetent" >&5
$as_echo "$ac_cv_lib_curses_tgetent" >&6; }
-if test "x$ac_cv_lib_curses_tgetent" = x""yes; then
+if test $ac_cv_lib_curses_tgetent = yes; then
bash_cv_termcap_lib=libcurses
else
{ $as_echo "$as_me:$LINENO: checking for tgetent in -lncurses" >&5
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_ncurses_tgetent" >&5
$as_echo "$ac_cv_lib_ncurses_tgetent" >&6; }
-if test "x$ac_cv_lib_ncurses_tgetent" = x""yes; then
+if test $ac_cv_lib_ncurses_tgetent = yes; then
bash_cv_termcap_lib=libncurses
else
bash_cv_termcap_lib=gnutermcap
case $ac_val in #(
*${as_nl}*)
case $ac_var in #(
- *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+ *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
+$as_echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
esac
case $ac_var in #(
_ | IFS | as_nl) ;; #(
-
: ${CONFIG_STATUS=./config.status}
ac_write_fail=0
ac_clean_files_save=$ac_clean_files
# values after options handling.
ac_log="
This file was extended by bash $as_me 4.0-maint, which was
-generated by GNU Autoconf 2.63. Invocation command line was
+generated by GNU Autoconf 2.62. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
CONFIG_HEADERS = $CONFIG_HEADERS
_ACEOF
-case $ac_config_files in *"
-"*) set x $ac_config_files; shift; ac_config_files=$*;;
-esac
-
-case $ac_config_headers in *"
-"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
-esac
-
-
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
# Files that config.status was made for.
config_files="$ac_config_files"
\`$as_me' instantiates files from templates according to the
current configuration.
-Usage: $0 [OPTION]... [FILE]...
+Usage: $0 [OPTIONS] [FILE]...
-h, --help print this help, then exit
-V, --version print version number and configuration settings, then exit
- -q, --quiet, --silent
- do not print progress messages
+ -q, --quiet do not print progress messages
-d, --debug don't remove temporary files
--recheck update $as_me by reconfiguring in the same conditions
- --file=FILE[:TEMPLATE]
+ --file=FILE[:TEMPLATE]
instantiate the configuration file FILE
- --header=FILE[:TEMPLATE]
+ --header=FILE[:TEMPLATE]
instantiate the configuration header FILE
Configuration files:
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_version="\\
bash config.status 4.0-maint
-configured by $0, generated by GNU Autoconf 2.63,
+configured by $0, generated by GNU Autoconf 2.62,
with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
Copyright (C) 2008 Free Software Foundation, Inc.
$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
{ (exit 1); exit 1; }; }
- ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
- if test $ac_delim_n = $ac_delim_num; then
+ if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` = $ac_delim_num; then
break
elif $ac_last_try; then
{ { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
}
split(mac1, mac2, "(") #)
macro = mac2[1]
- prefix = substr(line, 1, index(line, defundef) - 1)
if (D_is_set[macro]) {
# Preserve the white space surrounding the "#".
+ prefix = substr(line, 1, index(line, defundef) - 1)
print prefix "define", macro P[macro] D[macro]
next
} else {
# in the case of _POSIX_SOURCE, which is predefined and required
# on some systems where configure will not decide to define it.
if (defundef == "undef") {
- print "/*", prefix defundef, macro, "*/"
+ print "/*", line, "*/"
next
}
}
esac
case $ac_mode$ac_tag in
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- :L* | :C*:*) { { $as_echo "$as_me:$LINENO: error: invalid tag $ac_tag" >&5
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+$as_echo "$as_me: error: Invalid tag $ac_tag." >&2;}
{ (exit 1); exit 1; }; };;
:[FH]-) ac_tag=-:-;;
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$ac_cs_success || { (exit 1); exit 1; }
fi
if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
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-$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+ { $as_echo "$as_me:$LINENO: WARNING: Unrecognized options: $ac_unrecognized_opts" >&5
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fi
'configure.in'
],
{
- '_LT_AC_TAGCONFIG' => 1,
'AM_PROG_F77_C_O' => 1,
- 'AC_INIT' => 1,
+ '_LT_AC_TAGCONFIG' => 1,
'm4_pattern_forbid' => 1,
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'AC_CANONICAL_TARGET' => 1,
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'AC_CONFIG_LIBOBJ_DIR' => 1,
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'AC_CANONICAL_HOST' => 1,
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'AC_PROG_LIBTOOL' => 1,
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'AM_AUTOMAKE_VERSION' => 1,
'LT_CONFIG_LTDL_DIR' => 1,
- 'AC_REQUIRE_AUX_FILE' => 1,
'AC_CONFIG_LINKS' => 1,
- 'm4_sinclude' => 1,
+ 'AC_REQUIRE_AUX_FILE' => 1,
'LT_SUPPORTED_TAG' => 1,
+ 'm4_sinclude' => 1,
'AM_MAINTAINER_MODE' => 1,
'AM_GNU_GETTEXT_INTL_SUBDIR' => 1,
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'AC_CONFIG_AUX_DIR' => 1,
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+ 'sinclude' => 1,
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'AC_CONFIG_HEADERS' => 1,
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-m4trace:configure.in:1069: -1- AC_SUBST_TRACE([SHOBJ_CC])
-m4trace:configure.in:1069: -1- m4_pattern_allow([^SHOBJ_CC$])
-m4trace:configure.in:1070: -1- AC_SUBST([SHOBJ_CFLAGS])
-m4trace:configure.in:1070: -1- AC_SUBST_TRACE([SHOBJ_CFLAGS])
-m4trace:configure.in:1070: -1- m4_pattern_allow([^SHOBJ_CFLAGS$])
-m4trace:configure.in:1071: -1- AC_SUBST([SHOBJ_LD])
-m4trace:configure.in:1071: -1- AC_SUBST_TRACE([SHOBJ_LD])
-m4trace:configure.in:1071: -1- m4_pattern_allow([^SHOBJ_LD$])
-m4trace:configure.in:1072: -1- AC_SUBST([SHOBJ_LDFLAGS])
-m4trace:configure.in:1072: -1- AC_SUBST_TRACE([SHOBJ_LDFLAGS])
-m4trace:configure.in:1072: -1- m4_pattern_allow([^SHOBJ_LDFLAGS$])
-m4trace:configure.in:1073: -1- AC_SUBST([SHOBJ_XLDFLAGS])
-m4trace:configure.in:1073: -1- AC_SUBST_TRACE([SHOBJ_XLDFLAGS])
-m4trace:configure.in:1073: -1- m4_pattern_allow([^SHOBJ_XLDFLAGS$])
-m4trace:configure.in:1074: -1- AC_SUBST([SHOBJ_LIBS])
-m4trace:configure.in:1074: -1- AC_SUBST_TRACE([SHOBJ_LIBS])
-m4trace:configure.in:1074: -1- m4_pattern_allow([^SHOBJ_LIBS$])
-m4trace:configure.in:1075: -1- AC_SUBST([SHOBJ_STATUS])
-m4trace:configure.in:1075: -1- AC_SUBST_TRACE([SHOBJ_STATUS])
-m4trace:configure.in:1075: -1- m4_pattern_allow([^SHOBJ_STATUS$])
-m4trace:configure.in:1107: -1- AC_SUBST([PROFILE_FLAGS])
-m4trace:configure.in:1107: -1- AC_SUBST_TRACE([PROFILE_FLAGS])
-m4trace:configure.in:1107: -1- m4_pattern_allow([^PROFILE_FLAGS$])
-m4trace:configure.in:1109: -1- AC_SUBST([incdir])
-m4trace:configure.in:1109: -1- AC_SUBST_TRACE([incdir])
-m4trace:configure.in:1109: -1- m4_pattern_allow([^incdir$])
-m4trace:configure.in:1110: -1- AC_SUBST([BUILD_DIR])
-m4trace:configure.in:1110: -1- AC_SUBST_TRACE([BUILD_DIR])
-m4trace:configure.in:1110: -1- m4_pattern_allow([^BUILD_DIR$])
-m4trace:configure.in:1113: -1- AC_SUBST([datarootdir])
-m4trace:configure.in:1113: -1- AC_SUBST_TRACE([datarootdir])
-m4trace:configure.in:1113: -1- m4_pattern_allow([^datarootdir$])
-m4trace:configure.in:1114: -1- AC_SUBST([localedir])
-m4trace:configure.in:1114: -1- AC_SUBST_TRACE([localedir])
-m4trace:configure.in:1114: -1- m4_pattern_allow([^localedir$])
-m4trace:configure.in:1116: -1- AC_SUBST([YACC])
-m4trace:configure.in:1116: -1- AC_SUBST_TRACE([YACC])
-m4trace:configure.in:1116: -1- m4_pattern_allow([^YACC$])
-m4trace:configure.in:1117: -1- AC_SUBST([AR])
-m4trace:configure.in:1117: -1- AC_SUBST_TRACE([AR])
-m4trace:configure.in:1117: -1- m4_pattern_allow([^AR$])
-m4trace:configure.in:1118: -1- AC_SUBST([ARFLAGS])
-m4trace:configure.in:1118: -1- AC_SUBST_TRACE([ARFLAGS])
-m4trace:configure.in:1118: -1- m4_pattern_allow([^ARFLAGS$])
-m4trace:configure.in:1120: -1- AC_SUBST([BASHVERS])
-m4trace:configure.in:1120: -1- AC_SUBST_TRACE([BASHVERS])
-m4trace:configure.in:1120: -1- m4_pattern_allow([^BASHVERS$])
-m4trace:configure.in:1121: -1- AC_SUBST([RELSTATUS])
-m4trace:configure.in:1121: -1- AC_SUBST_TRACE([RELSTATUS])
-m4trace:configure.in:1121: -1- m4_pattern_allow([^RELSTATUS$])
-m4trace:configure.in:1122: -1- AC_SUBST([DEBUG])
-m4trace:configure.in:1122: -1- AC_SUBST_TRACE([DEBUG])
-m4trace:configure.in:1122: -1- m4_pattern_allow([^DEBUG$])
-m4trace:configure.in:1123: -1- AC_SUBST([MALLOC_DEBUG])
-m4trace:configure.in:1123: -1- AC_SUBST_TRACE([MALLOC_DEBUG])
-m4trace:configure.in:1123: -1- m4_pattern_allow([^MALLOC_DEBUG$])
-m4trace:configure.in:1125: -1- AC_SUBST([host_cpu])
-m4trace:configure.in:1125: -1- AC_SUBST_TRACE([host_cpu])
-m4trace:configure.in:1125: -1- m4_pattern_allow([^host_cpu$])
-m4trace:configure.in:1126: -1- AC_SUBST([host_vendor])
-m4trace:configure.in:1126: -1- AC_SUBST_TRACE([host_vendor])
-m4trace:configure.in:1126: -1- m4_pattern_allow([^host_vendor$])
-m4trace:configure.in:1127: -1- AC_SUBST([host_os])
-m4trace:configure.in:1127: -1- AC_SUBST_TRACE([host_os])
-m4trace:configure.in:1127: -1- m4_pattern_allow([^host_os$])
-m4trace:configure.in:1129: -1- AC_SUBST([LOCAL_LIBS])
-m4trace:configure.in:1129: -1- AC_SUBST_TRACE([LOCAL_LIBS])
-m4trace:configure.in:1129: -1- m4_pattern_allow([^LOCAL_LIBS$])
-m4trace:configure.in:1130: -1- AC_SUBST([LOCAL_CFLAGS])
-m4trace:configure.in:1130: -1- AC_SUBST_TRACE([LOCAL_CFLAGS])
-m4trace:configure.in:1130: -1- m4_pattern_allow([^LOCAL_CFLAGS$])
-m4trace:configure.in:1131: -1- AC_SUBST([LOCAL_LDFLAGS])
-m4trace:configure.in:1131: -1- AC_SUBST_TRACE([LOCAL_LDFLAGS])
-m4trace:configure.in:1131: -1- m4_pattern_allow([^LOCAL_LDFLAGS$])
-m4trace:configure.in:1132: -1- AC_SUBST([LOCAL_DEFS])
-m4trace:configure.in:1132: -1- AC_SUBST_TRACE([LOCAL_DEFS])
-m4trace:configure.in:1132: -1- m4_pattern_allow([^LOCAL_DEFS$])
-m4trace:configure.in:1137: -1- AC_CONFIG_FILES([Makefile builtins/Makefile lib/readline/Makefile lib/glob/Makefile \
+m4trace:configure.in:1003: -1- AC_DEFINE_TRACE_LITERAL([SVR4])
+m4trace:configure.in:1003: -1- m4_pattern_allow([^SVR4$])
+m4trace:configure.in:1004: -1- AC_DEFINE_TRACE_LITERAL([SVR5])
+m4trace:configure.in:1004: -1- m4_pattern_allow([^SVR5$])
+m4trace:configure.in:1023: -1- AC_DEFINE_TRACE_LITERAL([PGRP_PIPE])
+m4trace:configure.in:1023: -1- m4_pattern_allow([^PGRP_PIPE$])
+m4trace:configure.in:1070: -1- AC_SUBST([SHOBJ_CC])
+m4trace:configure.in:1070: -1- AC_SUBST_TRACE([SHOBJ_CC])
+m4trace:configure.in:1070: -1- m4_pattern_allow([^SHOBJ_CC$])
+m4trace:configure.in:1071: -1- AC_SUBST([SHOBJ_CFLAGS])
+m4trace:configure.in:1071: -1- AC_SUBST_TRACE([SHOBJ_CFLAGS])
+m4trace:configure.in:1071: -1- m4_pattern_allow([^SHOBJ_CFLAGS$])
+m4trace:configure.in:1072: -1- AC_SUBST([SHOBJ_LD])
+m4trace:configure.in:1072: -1- AC_SUBST_TRACE([SHOBJ_LD])
+m4trace:configure.in:1072: -1- m4_pattern_allow([^SHOBJ_LD$])
+m4trace:configure.in:1073: -1- AC_SUBST([SHOBJ_LDFLAGS])
+m4trace:configure.in:1073: -1- AC_SUBST_TRACE([SHOBJ_LDFLAGS])
+m4trace:configure.in:1073: -1- m4_pattern_allow([^SHOBJ_LDFLAGS$])
+m4trace:configure.in:1074: -1- AC_SUBST([SHOBJ_XLDFLAGS])
+m4trace:configure.in:1074: -1- AC_SUBST_TRACE([SHOBJ_XLDFLAGS])
+m4trace:configure.in:1074: -1- m4_pattern_allow([^SHOBJ_XLDFLAGS$])
+m4trace:configure.in:1075: -1- AC_SUBST([SHOBJ_LIBS])
+m4trace:configure.in:1075: -1- AC_SUBST_TRACE([SHOBJ_LIBS])
+m4trace:configure.in:1075: -1- m4_pattern_allow([^SHOBJ_LIBS$])
+m4trace:configure.in:1076: -1- AC_SUBST([SHOBJ_STATUS])
+m4trace:configure.in:1076: -1- AC_SUBST_TRACE([SHOBJ_STATUS])
+m4trace:configure.in:1076: -1- m4_pattern_allow([^SHOBJ_STATUS$])
+m4trace:configure.in:1108: -1- AC_SUBST([PROFILE_FLAGS])
+m4trace:configure.in:1108: -1- AC_SUBST_TRACE([PROFILE_FLAGS])
+m4trace:configure.in:1108: -1- m4_pattern_allow([^PROFILE_FLAGS$])
+m4trace:configure.in:1110: -1- AC_SUBST([incdir])
+m4trace:configure.in:1110: -1- AC_SUBST_TRACE([incdir])
+m4trace:configure.in:1110: -1- m4_pattern_allow([^incdir$])
+m4trace:configure.in:1111: -1- AC_SUBST([BUILD_DIR])
+m4trace:configure.in:1111: -1- AC_SUBST_TRACE([BUILD_DIR])
+m4trace:configure.in:1111: -1- m4_pattern_allow([^BUILD_DIR$])
+m4trace:configure.in:1114: -1- AC_SUBST([datarootdir])
+m4trace:configure.in:1114: -1- AC_SUBST_TRACE([datarootdir])
+m4trace:configure.in:1114: -1- m4_pattern_allow([^datarootdir$])
+m4trace:configure.in:1115: -1- AC_SUBST([localedir])
+m4trace:configure.in:1115: -1- AC_SUBST_TRACE([localedir])
+m4trace:configure.in:1115: -1- m4_pattern_allow([^localedir$])
+m4trace:configure.in:1117: -1- AC_SUBST([YACC])
+m4trace:configure.in:1117: -1- AC_SUBST_TRACE([YACC])
+m4trace:configure.in:1117: -1- m4_pattern_allow([^YACC$])
+m4trace:configure.in:1118: -1- AC_SUBST([AR])
+m4trace:configure.in:1118: -1- AC_SUBST_TRACE([AR])
+m4trace:configure.in:1118: -1- m4_pattern_allow([^AR$])
+m4trace:configure.in:1119: -1- AC_SUBST([ARFLAGS])
+m4trace:configure.in:1119: -1- AC_SUBST_TRACE([ARFLAGS])
+m4trace:configure.in:1119: -1- m4_pattern_allow([^ARFLAGS$])
+m4trace:configure.in:1121: -1- AC_SUBST([BASHVERS])
+m4trace:configure.in:1121: -1- AC_SUBST_TRACE([BASHVERS])
+m4trace:configure.in:1121: -1- m4_pattern_allow([^BASHVERS$])
+m4trace:configure.in:1122: -1- AC_SUBST([RELSTATUS])
+m4trace:configure.in:1122: -1- AC_SUBST_TRACE([RELSTATUS])
+m4trace:configure.in:1122: -1- m4_pattern_allow([^RELSTATUS$])
+m4trace:configure.in:1123: -1- AC_SUBST([DEBUG])
+m4trace:configure.in:1123: -1- AC_SUBST_TRACE([DEBUG])
+m4trace:configure.in:1123: -1- m4_pattern_allow([^DEBUG$])
+m4trace:configure.in:1124: -1- AC_SUBST([MALLOC_DEBUG])
+m4trace:configure.in:1124: -1- AC_SUBST_TRACE([MALLOC_DEBUG])
+m4trace:configure.in:1124: -1- m4_pattern_allow([^MALLOC_DEBUG$])
+m4trace:configure.in:1126: -1- AC_SUBST([host_cpu])
+m4trace:configure.in:1126: -1- AC_SUBST_TRACE([host_cpu])
+m4trace:configure.in:1126: -1- m4_pattern_allow([^host_cpu$])
+m4trace:configure.in:1127: -1- AC_SUBST([host_vendor])
+m4trace:configure.in:1127: -1- AC_SUBST_TRACE([host_vendor])
+m4trace:configure.in:1127: -1- m4_pattern_allow([^host_vendor$])
+m4trace:configure.in:1128: -1- AC_SUBST([host_os])
+m4trace:configure.in:1128: -1- AC_SUBST_TRACE([host_os])
+m4trace:configure.in:1128: -1- m4_pattern_allow([^host_os$])
+m4trace:configure.in:1130: -1- AC_SUBST([LOCAL_LIBS])
+m4trace:configure.in:1130: -1- AC_SUBST_TRACE([LOCAL_LIBS])
+m4trace:configure.in:1130: -1- m4_pattern_allow([^LOCAL_LIBS$])
+m4trace:configure.in:1131: -1- AC_SUBST([LOCAL_CFLAGS])
+m4trace:configure.in:1131: -1- AC_SUBST_TRACE([LOCAL_CFLAGS])
+m4trace:configure.in:1131: -1- m4_pattern_allow([^LOCAL_CFLAGS$])
+m4trace:configure.in:1132: -1- AC_SUBST([LOCAL_LDFLAGS])
+m4trace:configure.in:1132: -1- AC_SUBST_TRACE([LOCAL_LDFLAGS])
+m4trace:configure.in:1132: -1- m4_pattern_allow([^LOCAL_LDFLAGS$])
+m4trace:configure.in:1133: -1- AC_SUBST([LOCAL_DEFS])
+m4trace:configure.in:1133: -1- AC_SUBST_TRACE([LOCAL_DEFS])
+m4trace:configure.in:1133: -1- m4_pattern_allow([^LOCAL_DEFS$])
+m4trace:configure.in:1138: -1- AC_CONFIG_FILES([Makefile builtins/Makefile lib/readline/Makefile lib/glob/Makefile \
lib/intl/Makefile \
lib/malloc/Makefile lib/sh/Makefile lib/termcap/Makefile \
lib/tilde/Makefile doc/Makefile support/Makefile po/Makefile.in \
examples/loadables/Makefile examples/loadables/perl/Makefile])
-m4trace:configure.in:1137: -1- _m4_warn([obsolete], [AC_OUTPUT should be used without arguments.
+m4trace:configure.in:1138: -1- _m4_warn([obsolete], [AC_OUTPUT should be used without arguments.
You should run autoupdate.], [])
-m4trace:configure.in:1137: -1- AC_SUBST([LIB@&t@OBJS], [$ac_libobjs])
-m4trace:configure.in:1137: -1- AC_SUBST_TRACE([LIB@&t@OBJS])
-m4trace:configure.in:1137: -1- m4_pattern_allow([^LIB@&t@OBJS$])
-m4trace:configure.in:1137: -1- AC_SUBST([LTLIBOBJS], [$ac_ltlibobjs])
-m4trace:configure.in:1137: -1- AC_SUBST_TRACE([LTLIBOBJS])
-m4trace:configure.in:1137: -1- m4_pattern_allow([^LTLIBOBJS$])
-m4trace:configure.in:1137: -1- AC_SUBST_TRACE([top_builddir])
-m4trace:configure.in:1137: -1- AC_SUBST_TRACE([top_build_prefix])
-m4trace:configure.in:1137: -1- AC_SUBST_TRACE([srcdir])
-m4trace:configure.in:1137: -1- AC_SUBST_TRACE([abs_srcdir])
-m4trace:configure.in:1137: -1- AC_SUBST_TRACE([top_srcdir])
-m4trace:configure.in:1137: -1- AC_SUBST_TRACE([abs_top_srcdir])
-m4trace:configure.in:1137: -1- AC_SUBST_TRACE([builddir])
-m4trace:configure.in:1137: -1- AC_SUBST_TRACE([abs_builddir])
-m4trace:configure.in:1137: -1- AC_SUBST_TRACE([abs_top_builddir])
-m4trace:configure.in:1137: -1- AC_SUBST_TRACE([INSTALL])
+m4trace:configure.in:1138: -1- AC_SUBST([LIB@&t@OBJS], [$ac_libobjs])
+m4trace:configure.in:1138: -1- AC_SUBST_TRACE([LIB@&t@OBJS])
+m4trace:configure.in:1138: -1- m4_pattern_allow([^LIB@&t@OBJS$])
+m4trace:configure.in:1138: -1- AC_SUBST([LTLIBOBJS], [$ac_ltlibobjs])
+m4trace:configure.in:1138: -1- AC_SUBST_TRACE([LTLIBOBJS])
+m4trace:configure.in:1138: -1- m4_pattern_allow([^LTLIBOBJS$])
+m4trace:configure.in:1138: -1- AC_SUBST_TRACE([top_builddir])
+m4trace:configure.in:1138: -1- AC_SUBST_TRACE([top_build_prefix])
+m4trace:configure.in:1138: -1- AC_SUBST_TRACE([srcdir])
+m4trace:configure.in:1138: -1- AC_SUBST_TRACE([abs_srcdir])
+m4trace:configure.in:1138: -1- AC_SUBST_TRACE([top_srcdir])
+m4trace:configure.in:1138: -1- AC_SUBST_TRACE([abs_top_srcdir])
+m4trace:configure.in:1138: -1- AC_SUBST_TRACE([builddir])
+m4trace:configure.in:1138: -1- AC_SUBST_TRACE([abs_builddir])
+m4trace:configure.in:1138: -1- AC_SUBST_TRACE([abs_top_builddir])
+m4trace:configure.in:1138: -1- AC_SUBST_TRACE([INSTALL])
/* If the word starts in `~', and there is no slash in the word, then
try completing this word as a username. */
- if (!matches && *text == '~' && !xstrchr (text, '/'))
+ if (matches ==0 && *text == '~' && mbschr (text, '/') == 0)
matches = rl_completion_matches (text, rl_username_completion_function);
/* Another one. Why not? If the word starts in '@', then look through
return_value = should_expand_dirname = 0;
local_dirname = *dirname;
- if (xstrchr (local_dirname, '$'))
+ if (mbschr (local_dirname, '$'))
should_expand_dirname = 1;
else
{
- t = xstrchr (local_dirname, '`');
+ t = mbschr (local_dirname, '`');
if (t && unclosed_pair (local_dirname, strlen (local_dirname), "`") == 0)
should_expand_dirname = 1;
}
}
/* OK, we have an unquoted character. Check its presence in
rl_completer_word_break_characters. */
- if (xstrchr (rl_completer_word_break_characters, *s))
+ if (mbschr (rl_completer_word_break_characters, *s))
*r++ = '\\';
/* XXX -- check for standalone tildes here and backslash-quote them */
if (s == text && *s == '~' && file_exists (text))
the word being completed contains newlines, since those are not
quoted correctly using backslashes (a backslash-newline pair is
special to the shell parser). */
- if (*qcp == '\0' && cs == COMPLETE_BSQUOTE && xstrchr (s, '\n'))
+ if (*qcp == '\0' && cs == COMPLETE_BSQUOTE && mbschr (s, '\n'))
cs = COMPLETE_SQUOTE;
else if (*qcp == '"')
cs = COMPLETE_DQUOTE;
cs = COMPLETE_SQUOTE;
#if defined (BANG_HISTORY)
else if (*qcp == '\0' && history_expansion && cs == COMPLETE_DQUOTE &&
- history_expansion_inhibited == 0 && xstrchr (s, '!'))
+ history_expansion_inhibited == 0 && mbschr (s, '!'))
cs = COMPLETE_BSQUOTE;
if (*qcp == '"' && history_expansion && cs == COMPLETE_DQUOTE &&
- history_expansion_inhibited == 0 && xstrchr (s, '!'))
+ history_expansion_inhibited == 0 && mbschr (s, '!'))
{
cs = COMPLETE_BSQUOTE;
*qcp = '\0';
--- /dev/null
+/* bashline.c -- Bash's interface to the readline library. */
+
+/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "config.h"
+
+#if defined (READLINE)
+
+#include "bashtypes.h"
+#include "posixstat.h"
+
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
+#if defined (HAVE_GRP_H)
+# include <grp.h>
+#endif
+
+#if defined (HAVE_NETDB_H)
+# include <netdb.h>
+#endif
+
+#include <stdio.h>
+#include "chartypes.h"
+#include "bashansi.h"
+#include "bashintl.h"
+
+#include "shell.h"
+#include "input.h"
+#include "builtins.h"
+#include "bashhist.h"
+#include "bashline.h"
+#include "execute_cmd.h"
+#include "findcmd.h"
+#include "pathexp.h"
+#include "shmbutil.h"
+
+#include "builtins/common.h"
+
+#include <readline/rlconf.h>
+#include <readline/readline.h>
+#include <readline/history.h>
+
+#include <glob/glob.h>
+
+#if defined (ALIAS)
+# include "alias.h"
+#endif
+
+#if defined (PROGRAMMABLE_COMPLETION)
+# include "pcomplete.h"
+#endif
+
+/* These should agree with the defines for emacs_mode and vi_mode in
+ rldefs.h, even though that's not a public readline header file. */
+#ifndef EMACS_EDITING_MODE
+# define NO_EDITING_MODE -1
+# define EMACS_EDITING_MODE 1
+# define VI_EDITING_MODE 0
+#endif
+
+#define RL_BOOLEAN_VARIABLE_VALUE(s) ((s)[0] == 'o' && (s)[1] == 'n' && (s)[2] == '\0')
+
+#if defined (BRACE_COMPLETION)
+extern int bash_brace_completion __P((int, int));
+#endif /* BRACE_COMPLETION */
+
+/* Forward declarations */
+
+/* Functions bound to keys in Readline for Bash users. */
+static int shell_expand_line __P((int, int));
+static int display_shell_version __P((int, int));
+static int operate_and_get_next __P((int, int));
+
+static int bash_ignore_filenames __P((char **));
+static int bash_ignore_everything __P((char **));
+
+#if defined (BANG_HISTORY)
+static char *history_expand_line_internal __P((char *));
+static int history_expand_line __P((int, int));
+static int tcsh_magic_space __P((int, int));
+#endif /* BANG_HISTORY */
+#ifdef ALIAS
+static int alias_expand_line __P((int, int));
+#endif
+#if defined (BANG_HISTORY) && defined (ALIAS)
+static int history_and_alias_expand_line __P((int, int));
+#endif
+
+static int bash_forward_shellword __P((int, int));
+static int bash_backward_shellword __P((int, int));
+static int bash_kill_shellword __P((int, int));
+static int bash_backward_kill_shellword __P((int, int));
+
+/* Helper functions for Readline. */
+static char *restore_tilde __P((char *, char *));
+
+static void bash_directory_expansion __P((char **));
+static int bash_directory_completion_hook __P((char **));
+static int filename_completion_ignore __P((char **));
+static int bash_push_line __P((void));
+
+static void cleanup_expansion_error __P((void));
+static void maybe_make_readline_line __P((char *));
+static void set_up_new_line __P((char *));
+
+static int check_redir __P((int));
+static char **attempt_shell_completion __P((const char *, int, int));
+static char *variable_completion_function __P((const char *, int));
+static char *hostname_completion_function __P((const char *, int));
+static char *command_subst_completion_function __P((const char *, int));
+
+static void build_history_completion_array __P((void));
+static char *history_completion_generator __P((const char *, int));
+static int dynamic_complete_history __P((int, int));
+static int bash_dabbrev_expand __P((int, int));
+
+static void initialize_hostname_list __P((void));
+static void add_host_name __P((char *));
+static void snarf_hosts_from_file __P((char *));
+static char **hostnames_matching __P((char *));
+
+static void _ignore_completion_names __P((char **, sh_ignore_func_t *));
+static int name_is_acceptable __P((const char *));
+static int test_for_directory __P((const char *));
+static int return_zero __P((const char *));
+
+static char *bash_dequote_filename __P((char *, int));
+static char *quote_word_break_chars __P((char *));
+static char *bash_quote_filename __P((char *, int, char *));
+
+static int bash_execute_unix_command __P((int, int));
+static void init_unix_command_map __P((void));
+static int isolate_sequence __P((char *, int, int, int *));
+
+static int set_saved_history __P((void));
+
+#if defined (ALIAS)
+static int posix_edit_macros __P((int, int));
+#endif
+
+#if defined (PROGRAMMABLE_COMPLETION)
+static int find_cmd_start __P((int));
+static int find_cmd_end __P((int));
+static char *find_cmd_name __P((int));
+static char *prog_complete_return __P((const char *, int));
+
+static char **prog_complete_matches;
+#endif
+
+/* Variables used here but defined in other files. */
+#if defined (BANG_HISTORY)
+extern int hist_verify;
+#endif
+
+extern int current_command_line_count, last_command_exit_value;
+extern int array_needs_making;
+extern int posixly_correct, no_symbolic_links;
+extern char *current_prompt_string, *ps1_prompt;
+extern STRING_INT_ALIST word_token_alist[];
+extern sh_builtin_func_t *last_shell_builtin, *this_shell_builtin;
+
+/* SPECIFIC_COMPLETION_FUNCTIONS specifies that we have individual
+ completion functions which indicate what type of completion should be
+ done (at or before point) that can be bound to key sequences with
+ the readline library. */
+#define SPECIFIC_COMPLETION_FUNCTIONS
+
+#if defined (SPECIFIC_COMPLETION_FUNCTIONS)
+static int bash_specific_completion __P((int, rl_compentry_func_t *));
+
+static int bash_complete_filename_internal __P((int));
+static int bash_complete_username_internal __P((int));
+static int bash_complete_hostname_internal __P((int));
+static int bash_complete_variable_internal __P((int));
+static int bash_complete_command_internal __P((int));
+
+static int bash_complete_filename __P((int, int));
+static int bash_possible_filename_completions __P((int, int));
+static int bash_complete_username __P((int, int));
+static int bash_possible_username_completions __P((int, int));
+static int bash_complete_hostname __P((int, int));
+static int bash_possible_hostname_completions __P((int, int));
+static int bash_complete_variable __P((int, int));
+static int bash_possible_variable_completions __P((int, int));
+static int bash_complete_command __P((int, int));
+static int bash_possible_command_completions __P((int, int));
+
+static char *glob_complete_word __P((const char *, int));
+static int bash_glob_completion_internal __P((int));
+static int bash_glob_complete_word __P((int, int));
+static int bash_glob_expand_word __P((int, int));
+static int bash_glob_list_expansions __P((int, int));
+
+#endif /* SPECIFIC_COMPLETION_FUNCTIONS */
+
+static int edit_and_execute_command __P((int, int, int, char *));
+#if defined (VI_MODE)
+static int vi_edit_and_execute_command __P((int, int));
+static int bash_vi_complete __P((int, int));
+#endif
+static int emacs_edit_and_execute_command __P((int, int));
+
+/* Non-zero once initalize_readline () has been called. */
+int bash_readline_initialized = 0;
+
+/* If non-zero, we do hostname completion, breaking words at `@' and
+ trying to complete the stuff after the `@' from our own internal
+ host list. */
+int perform_hostname_completion = 1;
+
+/* If non-zero, we don't do command completion on an empty line. */
+int no_empty_command_completion;
+
+/* Set FORCE_FIGNORE if you want to honor FIGNORE even if it ignores the
+ only possible matches. Set to 0 if you want to match filenames if they
+ are the only possible matches, even if FIGNORE says to. */
+int force_fignore = 1;
+
+/* Perform spelling correction on directory names during word completion */
+int dircomplete_spelling = 0;
+
+static char *bash_completer_word_break_characters = " \t\n\"'@><=;|&(:";
+static char *bash_nohostname_word_break_characters = " \t\n\"'><=;|&(:";
+/* )) */
+
+static rl_hook_func_t *old_rl_startup_hook = (rl_hook_func_t *)NULL;
+
+static int dot_in_path = 0;
+
+/* What kind of quoting is performed by bash_quote_filename:
+ COMPLETE_DQUOTE = double-quoting the filename
+ COMPLETE_SQUOTE = single_quoting the filename
+ COMPLETE_BSQUOTE = backslash-quoting special chars in the filename
+*/
+#define COMPLETE_DQUOTE 1
+#define COMPLETE_SQUOTE 2
+#define COMPLETE_BSQUOTE 3
+static int completion_quoting_style = COMPLETE_BSQUOTE;
+
+/* Flag values for the final argument to bash_default_completion */
+#define DEFCOMP_CMDPOS 1
+
+/* Change the readline VI-mode keymaps into or out of Posix.2 compliance.
+ Called when the shell is put into or out of `posix' mode. */
+void
+posix_readline_initialize (on_or_off)
+ int on_or_off;
+{
+ if (on_or_off)
+ rl_variable_bind ("comment-begin", "#");
+#if defined (VI_MODE)
+ rl_bind_key_in_map (CTRL ('I'), on_or_off ? rl_insert : rl_complete, vi_insertion_keymap);
+#endif
+}
+
+void
+reset_completer_word_break_chars ()
+{
+ rl_completer_word_break_characters = perform_hostname_completion ? savestring (bash_completer_word_break_characters) : savestring (bash_nohostname_word_break_characters);
+}
+
+/* When this function returns, rl_completer_word_break_characters points to
+ dynamically allocated memory. */
+int
+enable_hostname_completion (on_or_off)
+ int on_or_off;
+{
+ int old_value;
+ char *at, *nv, *nval;
+
+ old_value = perform_hostname_completion;
+
+ if (on_or_off)
+ {
+ perform_hostname_completion = 1;
+ rl_special_prefixes = "$@";
+ }
+ else
+ {
+ perform_hostname_completion = 0;
+ rl_special_prefixes = "$";
+ }
+
+ /* Now we need to figure out how to appropriately modify and assign
+ rl_completer_word_break_characters depending on whether we want
+ hostname completion on or off. */
+
+ /* If this is the first time this has been called
+ (bash_readline_initialized == 0), use the sames values as before, but
+ allocate new memory for rl_completer_word_break_characters. */
+
+ if (bash_readline_initialized == 0 &&
+ (rl_completer_word_break_characters == 0 ||
+ rl_completer_word_break_characters == rl_basic_word_break_characters))
+ {
+ if (on_or_off)
+ rl_completer_word_break_characters = savestring (bash_completer_word_break_characters);
+ else
+ rl_completer_word_break_characters = savestring (bash_nohostname_word_break_characters);
+ }
+ else
+ {
+ /* See if we have anything to do. */
+ at = strchr (rl_completer_word_break_characters, '@');
+ if ((at == 0 && on_or_off == 0) || (at != 0 && on_or_off != 0))
+ return old_value;
+
+ /* We have something to do. Do it. */
+ nval = (char *)xmalloc (strlen (rl_completer_word_break_characters) + 1 + on_or_off);
+
+ if (on_or_off == 0)
+ {
+ /* Turn it off -- just remove `@' from word break chars. We want
+ to remove all occurrences of `@' from the char list, so we loop
+ rather than just copy the rest of the list over AT. */
+ for (nv = nval, at = rl_completer_word_break_characters; *at; )
+ if (*at != '@')
+ *nv++ = *at++;
+ else
+ at++;
+ *nv = '\0';
+ }
+ else
+ {
+ nval[0] = '@';
+ strcpy (nval + 1, rl_completer_word_break_characters);
+ }
+
+ free (rl_completer_word_break_characters);
+ rl_completer_word_break_characters = nval;
+ }
+
+ return (old_value);
+}
+
+/* Called once from parse.y if we are going to use readline. */
+void
+initialize_readline ()
+{
+ rl_command_func_t *func;
+ char kseq[2];
+
+ if (bash_readline_initialized)
+ return;
+
+ rl_terminal_name = get_string_value ("TERM");
+ rl_instream = stdin;
+ rl_outstream = stderr;
+
+ /* Allow conditional parsing of the ~/.inputrc file. */
+ rl_readline_name = "Bash";
+
+ /* Add bindable names before calling rl_initialize so they may be
+ referenced in the various inputrc files. */
+ rl_add_defun ("shell-expand-line", shell_expand_line, -1);
+#ifdef BANG_HISTORY
+ rl_add_defun ("history-expand-line", history_expand_line, -1);
+ rl_add_defun ("magic-space", tcsh_magic_space, -1);
+#endif
+
+ rl_add_defun ("shell-forward-word", bash_forward_shellword, -1);
+ rl_add_defun ("shell-backward-word", bash_backward_shellword, -1);
+ rl_add_defun ("shell-kill-word", bash_kill_shellword, -1);
+ rl_add_defun ("shell-backward-kill-word", bash_backward_kill_shellword, -1);
+
+#ifdef ALIAS
+ rl_add_defun ("alias-expand-line", alias_expand_line, -1);
+# ifdef BANG_HISTORY
+ rl_add_defun ("history-and-alias-expand-line", history_and_alias_expand_line, -1);
+# endif
+#endif
+
+ /* Backwards compatibility. */
+ rl_add_defun ("insert-last-argument", rl_yank_last_arg, -1);
+
+ rl_add_defun ("operate-and-get-next", operate_and_get_next, -1);
+ rl_add_defun ("display-shell-version", display_shell_version, -1);
+ rl_add_defun ("edit-and-execute-command", emacs_edit_and_execute_command, -1);
+
+#if defined (BRACE_COMPLETION)
+ rl_add_defun ("complete-into-braces", bash_brace_completion, -1);
+#endif
+
+#if defined (SPECIFIC_COMPLETION_FUNCTIONS)
+ rl_add_defun ("complete-filename", bash_complete_filename, -1);
+ rl_add_defun ("possible-filename-completions", bash_possible_filename_completions, -1);
+ rl_add_defun ("complete-username", bash_complete_username, -1);
+ rl_add_defun ("possible-username-completions", bash_possible_username_completions, -1);
+ rl_add_defun ("complete-hostname", bash_complete_hostname, -1);
+ rl_add_defun ("possible-hostname-completions", bash_possible_hostname_completions, -1);
+ rl_add_defun ("complete-variable", bash_complete_variable, -1);
+ rl_add_defun ("possible-variable-completions", bash_possible_variable_completions, -1);
+ rl_add_defun ("complete-command", bash_complete_command, -1);
+ rl_add_defun ("possible-command-completions", bash_possible_command_completions, -1);
+ rl_add_defun ("glob-complete-word", bash_glob_complete_word, -1);
+ rl_add_defun ("glob-expand-word", bash_glob_expand_word, -1);
+ rl_add_defun ("glob-list-expansions", bash_glob_list_expansions, -1);
+#endif
+
+ rl_add_defun ("dynamic-complete-history", dynamic_complete_history, -1);
+ rl_add_defun ("dabbrev-expand", bash_dabbrev_expand, -1);
+
+ /* Bind defaults before binding our custom shell keybindings. */
+ if (RL_ISSTATE(RL_STATE_INITIALIZED) == 0)
+ rl_initialize ();
+
+ /* Bind up our special shell functions. */
+ rl_bind_key_if_unbound_in_map (CTRL('E'), shell_expand_line, emacs_meta_keymap);
+
+#ifdef BANG_HISTORY
+ rl_bind_key_if_unbound_in_map ('^', history_expand_line, emacs_meta_keymap);
+#endif
+
+ rl_bind_key_if_unbound_in_map (CTRL ('O'), operate_and_get_next, emacs_standard_keymap);
+ rl_bind_key_if_unbound_in_map (CTRL ('V'), display_shell_version, emacs_ctlx_keymap);
+
+ /* In Bash, the user can switch editing modes with "set -o [vi emacs]",
+ so it is not necessary to allow C-M-j for context switching. Turn
+ off this occasionally confusing behaviour. */
+ kseq[0] = CTRL('J');
+ kseq[1] = '\0';
+ func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL);
+ if (func == rl_vi_editing_mode)
+ rl_unbind_key_in_map (CTRL('J'), emacs_meta_keymap);
+ kseq[0] = CTRL('M');
+ func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL);
+ if (func == rl_vi_editing_mode)
+ rl_unbind_key_in_map (CTRL('M'), emacs_meta_keymap);
+#if defined (VI_MODE)
+ rl_unbind_key_in_map (CTRL('E'), vi_movement_keymap);
+#endif
+
+#if defined (BRACE_COMPLETION)
+ rl_bind_key_if_unbound_in_map ('{', bash_brace_completion, emacs_meta_keymap); /*}*/
+#endif /* BRACE_COMPLETION */
+
+#if defined (SPECIFIC_COMPLETION_FUNCTIONS)
+ rl_bind_key_if_unbound_in_map ('/', bash_complete_filename, emacs_meta_keymap);
+ rl_bind_key_if_unbound_in_map ('/', bash_possible_filename_completions, emacs_ctlx_keymap);
+
+ /* Have to jump through hoops here because there is a default binding for
+ M-~ (rl_tilde_expand) */
+ kseq[0] = '~';
+ kseq[1] = '\0';
+ func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL);
+ if (func == 0 || func == rl_tilde_expand)
+ rl_bind_keyseq_in_map (kseq, bash_complete_username, emacs_meta_keymap);
+
+ rl_bind_key_if_unbound_in_map ('~', bash_possible_username_completions, emacs_ctlx_keymap);
+
+ rl_bind_key_if_unbound_in_map ('@', bash_complete_hostname, emacs_meta_keymap);
+ rl_bind_key_if_unbound_in_map ('@', bash_possible_hostname_completions, emacs_ctlx_keymap);
+
+ rl_bind_key_if_unbound_in_map ('$', bash_complete_variable, emacs_meta_keymap);
+ rl_bind_key_if_unbound_in_map ('$', bash_possible_variable_completions, emacs_ctlx_keymap);
+
+ rl_bind_key_if_unbound_in_map ('!', bash_complete_command, emacs_meta_keymap);
+ rl_bind_key_if_unbound_in_map ('!', bash_possible_command_completions, emacs_ctlx_keymap);
+
+ rl_bind_key_if_unbound_in_map ('g', bash_glob_complete_word, emacs_meta_keymap);
+ rl_bind_key_if_unbound_in_map ('*', bash_glob_expand_word, emacs_ctlx_keymap);
+ rl_bind_key_if_unbound_in_map ('g', bash_glob_list_expansions, emacs_ctlx_keymap);
+
+#endif /* SPECIFIC_COMPLETION_FUNCTIONS */
+
+ kseq[0] = TAB;
+ kseq[1] = '\0';
+ func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL);
+ if (func == 0 || func == rl_tab_insert)
+ rl_bind_key_in_map (TAB, dynamic_complete_history, emacs_meta_keymap);
+
+ /* Tell the completer that we want a crack first. */
+ rl_attempted_completion_function = attempt_shell_completion;
+
+ /* Tell the completer that we might want to follow symbolic links or
+ do other expansion on directory names. */
+ rl_directory_completion_hook = bash_directory_completion_hook;
+
+ /* Tell the filename completer we want a chance to ignore some names. */
+ rl_ignore_some_completions_function = filename_completion_ignore;
+
+ /* Bind C-xC-e to invoke emacs and run result as commands. */
+ rl_bind_key_if_unbound_in_map (CTRL ('E'), emacs_edit_and_execute_command, emacs_ctlx_keymap);
+#if defined (VI_MODE)
+ rl_bind_key_if_unbound_in_map ('v', vi_edit_and_execute_command, vi_movement_keymap);
+# if defined (ALIAS)
+ rl_bind_key_if_unbound_in_map ('@', posix_edit_macros, vi_movement_keymap);
+# endif
+
+ rl_bind_key_in_map ('\\', bash_vi_complete, vi_movement_keymap);
+ rl_bind_key_in_map ('*', bash_vi_complete, vi_movement_keymap);
+ rl_bind_key_in_map ('=', bash_vi_complete, vi_movement_keymap);
+#endif
+
+ rl_completer_quote_characters = "'\"";
+
+ /* This sets rl_completer_word_break_characters and rl_special_prefixes
+ to the appropriate values, depending on whether or not hostname
+ completion is enabled. */
+ enable_hostname_completion (perform_hostname_completion);
+
+ /* characters that need to be quoted when appearing in filenames. */
+#if 0
+ rl_filename_quote_characters = " \t\n\\\"'@<>=;|&()#$`?*[!:{"; /*}*/
+#else
+ rl_filename_quote_characters = " \t\n\\\"'@<>=;|&()#$`?*[!:{~"; /*}*/
+#endif
+ rl_filename_quoting_function = bash_quote_filename;
+ rl_filename_dequoting_function = bash_dequote_filename;
+ rl_char_is_quoted_p = char_is_quoted;
+
+#if 0
+ /* This is superfluous and makes it impossible to use tab completion in
+ vi mode even when explicitly binding it in ~/.inputrc. sv_strict_posix()
+ should already have called posix_readline_initialize() when
+ posixly_correct was set. */
+ if (posixly_correct)
+ posix_readline_initialize (1);
+#endif
+
+ bash_readline_initialized = 1;
+}
+
+void
+bashline_reinitialize ()
+{
+ bash_readline_initialized = 0;
+}
+
+/* On Sun systems at least, rl_attempted_completion_function can end up
+ getting set to NULL, and rl_completion_entry_function set to do command
+ word completion if Bash is interrupted while trying to complete a command
+ word. This just resets all the completion functions to the right thing.
+ It's called from throw_to_top_level(). */
+void
+bashline_reset ()
+{
+ tilde_initialize ();
+ rl_attempted_completion_function = attempt_shell_completion;
+ rl_completion_entry_function = NULL;
+ rl_directory_completion_hook = bash_directory_completion_hook;
+ rl_ignore_some_completions_function = filename_completion_ignore;
+}
+
+/* Contains the line to push into readline. */
+static char *push_to_readline = (char *)NULL;
+
+/* Push the contents of push_to_readline into the
+ readline buffer. */
+static int
+bash_push_line ()
+{
+ if (push_to_readline)
+ {
+ rl_insert_text (push_to_readline);
+ free (push_to_readline);
+ push_to_readline = (char *)NULL;
+ rl_startup_hook = old_rl_startup_hook;
+ }
+ return 0;
+}
+
+/* Call this to set the initial text for the next line to read
+ from readline. */
+int
+bash_re_edit (line)
+ char *line;
+{
+ FREE (push_to_readline);
+
+ push_to_readline = savestring (line);
+ old_rl_startup_hook = rl_startup_hook;
+ rl_startup_hook = bash_push_line;
+
+ return (0);
+}
+
+static int
+display_shell_version (count, c)
+ int count, c;
+{
+ rl_crlf ();
+ show_shell_version (0);
+ putc ('\r', rl_outstream);
+ fflush (rl_outstream);
+ rl_on_new_line ();
+ rl_redisplay ();
+ return 0;
+}
+
+/* **************************************************************** */
+/* */
+/* Readline Stuff */
+/* */
+/* **************************************************************** */
+
+/* If the user requests hostname completion, then simply build a list
+ of hosts, and complete from that forever more, or at least until
+ HOSTFILE is unset. */
+
+/* THIS SHOULD BE A STRINGLIST. */
+/* The kept list of hostnames. */
+static char **hostname_list = (char **)NULL;
+
+/* The physical size of the above list. */
+static int hostname_list_size;
+
+/* The number of hostnames in the above list. */
+static int hostname_list_length;
+
+/* Whether or not HOSTNAME_LIST has been initialized. */
+int hostname_list_initialized = 0;
+
+/* Initialize the hostname completion table. */
+static void
+initialize_hostname_list ()
+{
+ char *temp;
+
+ temp = get_string_value ("HOSTFILE");
+ if (temp == 0)
+ temp = get_string_value ("hostname_completion_file");
+ if (temp == 0)
+ temp = DEFAULT_HOSTS_FILE;
+
+ snarf_hosts_from_file (temp);
+
+ if (hostname_list)
+ hostname_list_initialized++;
+}
+
+/* Add NAME to the list of hosts. */
+static void
+add_host_name (name)
+ char *name;
+{
+ if (hostname_list_length + 2 > hostname_list_size)
+ {
+ hostname_list_size = (hostname_list_size + 32) - (hostname_list_size % 32);
+ hostname_list = strvec_resize (hostname_list, hostname_list_size);
+ }
+
+ hostname_list[hostname_list_length++] = savestring (name);
+ hostname_list[hostname_list_length] = (char *)NULL;
+}
+
+#define cr_whitespace(c) ((c) == '\r' || (c) == '\n' || whitespace(c))
+
+static void
+snarf_hosts_from_file (filename)
+ char *filename;
+{
+ FILE *file;
+ char *temp, buffer[256], name[256];
+ register int i, start;
+
+ file = fopen (filename, "r");
+ if (file == 0)
+ return;
+
+ while (temp = fgets (buffer, 255, file))
+ {
+ /* Skip to first character. */
+ for (i = 0; buffer[i] && cr_whitespace (buffer[i]); i++)
+ ;
+
+ /* If comment or blank line, ignore. */
+ if (buffer[i] == '\0' || buffer[i] == '#')
+ continue;
+
+ /* If `preprocessor' directive, do the include. */
+ if (strncmp (buffer + i, "$include ", 9) == 0)
+ {
+ char *incfile, *t;
+
+ /* Find start of filename. */
+ for (incfile = buffer + i + 9; *incfile && whitespace (*incfile); incfile++)
+ ;
+
+ /* Find end of filename. */
+ for (t = incfile; *t && cr_whitespace (*t) == 0; t++)
+ ;
+
+ *t = '\0';
+
+ snarf_hosts_from_file (incfile);
+ continue;
+ }
+
+ /* Skip internet address if present. */
+ if (DIGIT (buffer[i]))
+ for (; buffer[i] && cr_whitespace (buffer[i]) == 0; i++);
+
+ /* Gobble up names. Each name is separated with whitespace. */
+ while (buffer[i])
+ {
+ for (; cr_whitespace (buffer[i]); i++)
+ ;
+ if (buffer[i] == '\0' || buffer[i] == '#')
+ break;
+
+ /* Isolate the current word. */
+ for (start = i; buffer[i] && cr_whitespace (buffer[i]) == 0; i++)
+ ;
+ if (i == start)
+ continue;
+ strncpy (name, buffer + start, i - start);
+ name[i - start] = '\0';
+ add_host_name (name);
+ }
+ }
+ fclose (file);
+}
+
+/* Return the hostname list. */
+char **
+get_hostname_list ()
+{
+ if (hostname_list_initialized == 0)
+ initialize_hostname_list ();
+ return (hostname_list);
+}
+
+void
+clear_hostname_list ()
+{
+ register int i;
+
+ if (hostname_list_initialized == 0)
+ return;
+ for (i = 0; i < hostname_list_length; i++)
+ free (hostname_list[i]);
+ hostname_list_length = 0;
+}
+
+/* Return a NULL terminated list of hostnames which begin with TEXT.
+ Initialize the hostname list the first time if neccessary.
+ The array is malloc ()'ed, but not the individual strings. */
+static char **
+hostnames_matching (text)
+ char *text;
+{
+ register int i, len, nmatch, rsize;
+ char **result;
+
+ if (hostname_list_initialized == 0)
+ initialize_hostname_list ();
+
+ if (hostname_list_initialized == 0)
+ return ((char **)NULL);
+
+ /* Special case. If TEXT consists of nothing, then the whole list is
+ what is desired. */
+ if (*text == '\0')
+ {
+ result = strvec_create (1 + hostname_list_length);
+ for (i = 0; i < hostname_list_length; i++)
+ result[i] = hostname_list[i];
+ result[i] = (char *)NULL;
+ return (result);
+ }
+
+ /* Scan until found, or failure. */
+ len = strlen (text);
+ result = (char **)NULL;
+ for (i = nmatch = rsize = 0; i < hostname_list_length; i++)
+ {
+ if (STREQN (text, hostname_list[i], len) == 0)
+ continue;
+
+ /* OK, it matches. Add it to the list. */
+ if (nmatch >= (rsize - 1))
+ {
+ rsize = (rsize + 16) - (rsize % 16);
+ result = strvec_resize (result, rsize);
+ }
+
+ result[nmatch++] = hostname_list[i];
+ }
+ if (nmatch)
+ result[nmatch] = (char *)NULL;
+ return (result);
+}
+
+/* The equivalent of the Korn shell C-o operate-and-get-next-history-line
+ editing command. */
+static int saved_history_line_to_use = -1;
+
+static int
+set_saved_history ()
+{
+ if (saved_history_line_to_use >= 0)
+ rl_get_previous_history (history_length - saved_history_line_to_use, 0);
+ saved_history_line_to_use = -1;
+ rl_startup_hook = old_rl_startup_hook;
+ return (0);
+}
+
+static int
+operate_and_get_next (count, c)
+ int count, c;
+{
+ int where;
+
+ /* Accept the current line. */
+ rl_newline (1, c);
+
+ /* Find the current line, and find the next line to use. */
+ where = where_history ();
+
+ if ((history_is_stifled () && (history_length >= history_max_entries)) ||
+ (where >= history_length - 1))
+ saved_history_line_to_use = where;
+ else
+ saved_history_line_to_use = where + 1;
+
+ old_rl_startup_hook = rl_startup_hook;
+ rl_startup_hook = set_saved_history;
+
+ return 0;
+}
+
+/* This vi mode command causes VI_EDIT_COMMAND to be run on the current
+ command being entered (if no explicit argument is given), otherwise on
+ a command from the history file. */
+
+#define VI_EDIT_COMMAND "fc -e \"${VISUAL:-${EDITOR:-vi}}\""
+#define EMACS_EDIT_COMMAND "fc -e \"${VISUAL:-${EDITOR:-emacs}}\""
+#define POSIX_VI_EDIT_COMMAND "fc -e vi"
+
+static int
+edit_and_execute_command (count, c, editing_mode, edit_command)
+ int count, c, editing_mode;
+ char *edit_command;
+{
+ char *command, *metaval;
+ int r, cclc, rrs, metaflag;
+
+ rrs = rl_readline_state;
+ cclc = current_command_line_count;
+
+ /* Accept the current line. */
+ rl_newline (1, c);
+
+ if (rl_explicit_arg)
+ {
+ command = (char *)xmalloc (strlen (edit_command) + 8);
+ sprintf (command, "%s %d", edit_command, count);
+ }
+ else
+ {
+ /* Take the command we were just editing, add it to the history file,
+ then call fc to operate on it. We have to add a dummy command to
+ the end of the history because fc ignores the last command (assumes
+ it's supposed to deal with the command before the `fc'). */
+ using_history ();
+ bash_add_history (rl_line_buffer);
+ bash_add_history ("");
+ history_lines_this_session++;
+ using_history ();
+ command = savestring (edit_command);
+ }
+
+ metaval = rl_variable_value ("input-meta");
+ metaflag = RL_BOOLEAN_VARIABLE_VALUE (metaval);
+
+ /* Now, POSIX.1-2001 and SUSv3 say that the commands executed from the
+ temporary file should be placed into the history. We don't do that
+ yet. */
+ if (rl_deprep_term_function)
+ (*rl_deprep_term_function) ();
+ r = parse_and_execute (command, (editing_mode == VI_EDITING_MODE) ? "v" : "C-xC-e", SEVAL_NOHIST);
+ if (rl_prep_term_function)
+ (*rl_prep_term_function) (metaflag);
+
+ current_command_line_count = cclc;
+
+ /* Now erase the contents of the current line and undo the effects of the
+ rl_accept_line() above. We don't even want to make the text we just
+ executed available for undoing. */
+ rl_line_buffer[0] = '\0'; /* XXX */
+ rl_point = rl_end = 0;
+ rl_done = 0;
+ rl_readline_state = rrs;
+
+ rl_forced_update_display ();
+
+ return r;
+}
+
+#if defined (VI_MODE)
+static int
+vi_edit_and_execute_command (count, c)
+ int count, c;
+{
+ if (posixly_correct)
+ return (edit_and_execute_command (count, c, VI_EDITING_MODE, POSIX_VI_EDIT_COMMAND));
+ else
+ return (edit_and_execute_command (count, c, VI_EDITING_MODE, VI_EDIT_COMMAND));
+}
+#endif /* VI_MODE */
+
+static int
+emacs_edit_and_execute_command (count, c)
+ int count, c;
+{
+ return (edit_and_execute_command (count, c, EMACS_EDITING_MODE, EMACS_EDIT_COMMAND));
+}
+
+#if defined (ALIAS)
+static int
+posix_edit_macros (count, key)
+ int count, key;
+{
+ int c;
+ char alias_name[3], *alias_value, *macro;
+
+ c = rl_read_key ();
+ alias_name[0] = '_';
+ alias_name[1] = c;
+ alias_name[2] = '\0';
+
+ alias_value = get_alias_value (alias_name);
+ if (alias_value && *alias_value)
+ {
+ macro = savestring (alias_value);
+ rl_push_macro_input (macro);
+ }
+ return 0;
+}
+#endif
+
+/* Bindable commands that move `shell-words': that is, sequences of
+ non-unquoted-metacharacters. */
+
+#define WORDDELIM(c) (shellmeta(c) || shellblank(c))
+
+static int
+bash_forward_shellword (count, key)
+ int count, key;
+{
+ size_t slen;
+ int sindex, c, p;
+ DECLARE_MBSTATE;
+
+ if (count < 0)
+ return (bash_backward_shellword (-count, key));
+
+ /* The tricky part of this is deciding whether or not the first character
+ we're on is an unquoted metacharacter. Not completely handled yet. */
+ /* XXX - need to test this stuff with backslash-escaped shell
+ metacharacters and unclosed single- and double-quoted strings. */
+
+ p = rl_point;
+ slen = rl_end;
+
+ while (count)
+ {
+ if (p == rl_end)
+ {
+ rl_point = rl_end;
+ return 0;
+ }
+
+ /* Move forward until we hit a non-metacharacter. */
+ while (p < rl_end && (c = rl_line_buffer[p]) && WORDDELIM (c))
+ {
+ switch (c)
+ {
+ default:
+ ADVANCE_CHAR (rl_line_buffer, slen, p);
+ continue; /* straight back to loop, don't increment p */
+ case '\\':
+ if (p < rl_end && rl_line_buffer[p])
+ ADVANCE_CHAR (rl_line_buffer, slen, p);
+ break;
+ case '\'':
+ p = skip_to_delim (rl_line_buffer, ++p, "'", SD_NOJMP);
+ break;
+ case '"':
+ p = skip_to_delim (rl_line_buffer, ++p, "\"", SD_NOJMP);
+ break;
+ }
+
+ if (p < rl_end)
+ p++;
+ }
+
+ if (rl_line_buffer[p] == 0 || p == rl_end)
+ {
+ rl_point = rl_end;
+ rl_ding ();
+ return 0;
+ }
+
+ /* Now move forward until we hit a non-quoted metacharacter or EOL */
+ while (p < rl_end && (c = rl_line_buffer[p]) && WORDDELIM (c) == 0)
+ {
+ switch (c)
+ {
+ default:
+ ADVANCE_CHAR (rl_line_buffer, slen, p);
+ continue; /* straight back to loop, don't increment p */
+ case '\\':
+ if (p < rl_end && rl_line_buffer[p])
+ ADVANCE_CHAR (rl_line_buffer, slen, p);
+ break;
+ case '\'':
+ p = skip_to_delim (rl_line_buffer, ++p, "'", SD_NOJMP);
+ break;
+ case '"':
+ p = skip_to_delim (rl_line_buffer, ++p, "\"", SD_NOJMP);
+ break;
+ }
+
+ if (p < rl_end)
+ p++;
+ }
+
+ if (p == rl_end || rl_line_buffer[p] == 0)
+ {
+ rl_point = rl_end;
+ return (0);
+ }
+
+ count--;
+ }
+
+ rl_point = p;
+ return (0);
+}
+
+static int
+bash_backward_shellword (count, key)
+ int count, key;
+{
+ size_t slen;
+ int sindex, c, p;
+ DECLARE_MBSTATE;
+
+ if (count < 0)
+ return (bash_forward_shellword (-count, key));
+
+ p = rl_point;
+ slen = rl_end;
+
+ while (count)
+ {
+ if (p == 0)
+ {
+ rl_point = 0;
+ return 0;
+ }
+
+ /* Move backward until we hit a non-metacharacter. */
+ while (p > 0)
+ {
+ c = rl_line_buffer[p];
+ if (WORDDELIM (c) && char_is_quoted (rl_line_buffer, p) == 0)
+ BACKUP_CHAR (rl_line_buffer, slen, p);
+ break;
+ }
+
+ if (p == 0)
+ {
+ rl_point = 0;
+ return 0;
+ }
+
+ /* Now move backward until we hit a metacharacter or BOL. */
+ while (p > 0)
+ {
+ c = rl_line_buffer[p];
+ if (WORDDELIM (c) && char_is_quoted (rl_line_buffer, p) == 0)
+ break;
+ BACKUP_CHAR (rl_line_buffer, slen, p);
+ }
+
+ count--;
+ }
+
+ rl_point = p;
+ return 0;
+}
+
+static int
+bash_kill_shellword (count, key)
+ int count, key;
+{
+ int p;
+
+ if (count < 0)
+ return (bash_backward_kill_shellword (-count, key));
+
+ p = rl_point;
+ bash_forward_shellword (count, key);
+
+ if (rl_point != p)
+ rl_kill_text (p, rl_point);
+
+ rl_point = p;
+ if (rl_editing_mode == 1) /* 1 == emacs_mode */
+ rl_mark = rl_point;
+
+ return 0;
+}
+
+static int
+bash_backward_kill_shellword (count, key)
+ int count, key;
+{
+ int p;
+
+ if (count < 0)
+ return (bash_kill_shellword (-count, key));
+
+ p = rl_point;
+ bash_backward_shellword (count, key);
+
+ if (rl_point != p)
+ rl_kill_text (p, rl_point);
+
+ if (rl_editing_mode == 1) /* 1 == emacs_mode */
+ rl_mark = rl_point;
+
+ return 0;
+}
+
+
+/* **************************************************************** */
+/* */
+/* How To Do Shell Completion */
+/* */
+/* **************************************************************** */
+
+#define COMMAND_SEPARATORS ";|&{(`"
+/* )} */
+
+static int
+check_redir (ti)
+ int ti;
+{
+ register int this_char, prev_char;
+
+ /* Handle the two character tokens `>&', `<&', and `>|'.
+ We are not in a command position after one of these. */
+ this_char = rl_line_buffer[ti];
+ prev_char = rl_line_buffer[ti - 1];
+
+ if ((this_char == '&' && (prev_char == '<' || prev_char == '>')) ||
+ (this_char == '|' && prev_char == '>'))
+ return (1);
+ else if ((this_char == '{' && prev_char == '$') || /* } */
+ (char_is_quoted (rl_line_buffer, ti)))
+ return (1);
+ return (0);
+}
+
+#if defined (PROGRAMMABLE_COMPLETION)
+/*
+ * XXX - because of the <= start test, and setting os = s+1, this can
+ * potentially return os > start. This is probably not what we want to
+ * happen, but fix later after 2.05a-release.
+ */
+static int
+find_cmd_start (start)
+ int start;
+{
+ register int s, os;
+
+ os = 0;
+ while (((s = skip_to_delim (rl_line_buffer, os, COMMAND_SEPARATORS, SD_NOJMP)) <= start) &&
+ rl_line_buffer[s])
+ os = s+1;
+ return os;
+}
+
+static int
+find_cmd_end (end)
+ int end;
+{
+ register int e;
+
+ e = skip_to_delim (rl_line_buffer, end, COMMAND_SEPARATORS, SD_NOJMP);
+ return e;
+}
+
+static char *
+find_cmd_name (start)
+ int start;
+{
+ char *name;
+ register int s, e;
+
+ for (s = start; whitespace (rl_line_buffer[s]); s++)
+ ;
+
+ /* skip until a shell break character */
+ e = skip_to_delim (rl_line_buffer, s, "()<>;&| \t\n", SD_NOJMP);
+
+ name = substring (rl_line_buffer, s, e);
+
+ return (name);
+}
+
+static char *
+prog_complete_return (text, matchnum)
+ const char *text;
+ int matchnum;
+{
+ static int ind;
+
+ if (matchnum == 0)
+ ind = 0;
+
+ if (prog_complete_matches == 0 || prog_complete_matches[ind] == 0)
+ return (char *)NULL;
+ return (prog_complete_matches[ind++]);
+}
+
+#endif /* PROGRAMMABLE_COMPLETION */
+
+/* Do some completion on TEXT. The indices of TEXT in RL_LINE_BUFFER are
+ at START and END. Return an array of matches, or NULL if none. */
+static char **
+attempt_shell_completion (text, start, end)
+ const char *text;
+ int start, end;
+{
+ int in_command_position, ti, saveti, qc, dflags;
+ char **matches, *command_separator_chars;
+
+ command_separator_chars = COMMAND_SEPARATORS;
+ matches = (char **)NULL;
+ rl_ignore_some_completions_function = filename_completion_ignore;
+
+ /* Determine if this could be a command word. It is if it appears at
+ the start of the line (ignoring preceding whitespace), or if it
+ appears after a character that separates commands. It cannot be a
+ command word if we aren't at the top-level prompt. */
+ ti = start - 1;
+ saveti = qc = -1;
+
+ while ((ti > -1) && (whitespace (rl_line_buffer[ti])))
+ ti--;
+
+#if 1
+ /* If this is an open quote, maybe we're trying to complete a quoted
+ command name. */
+ if (ti >= 0 && (rl_line_buffer[ti] == '"' || rl_line_buffer[ti] == '\''))
+ {
+ qc = rl_line_buffer[ti];
+ saveti = ti--;
+ while (ti > -1 && (whitespace (rl_line_buffer[ti])))
+ ti--;
+ }
+#endif
+
+ in_command_position = 0;
+ if (ti < 0)
+ {
+ /* Only do command completion at the start of a line when we
+ are prompting at the top level. */
+ if (current_prompt_string == ps1_prompt)
+ in_command_position++;
+ }
+ else if (member (rl_line_buffer[ti], command_separator_chars))
+ {
+ in_command_position++;
+
+ if (check_redir (ti) == 1)
+ in_command_position = 0;
+ }
+ else
+ {
+ /* This still could be in command position. It is possible
+ that all of the previous words on the line are variable
+ assignments. */
+ }
+
+ /* Check that we haven't incorrectly flagged a closed command substitution
+ as indicating we're in a command position. */
+ if (in_command_position && ti >= 0 && rl_line_buffer[ti] == '`' &&
+ *text != '`' && unclosed_pair (rl_line_buffer, end, "`") == 0)
+ in_command_position = 0;
+
+ /* Special handling for command substitution. If *TEXT is a backquote,
+ it can be the start or end of an old-style command substitution, or
+ unmatched. If it's unmatched, both calls to unclosed_pair will
+ succeed. */
+ if (*text == '`' &&
+ (in_command_position || (unclosed_pair (rl_line_buffer, start, "`") &&
+ unclosed_pair (rl_line_buffer, end, "`"))))
+ matches = rl_completion_matches (text, command_subst_completion_function);
+
+#if defined (PROGRAMMABLE_COMPLETION)
+ /* Attempt programmable completion. */
+ if (matches == 0 && (in_command_position == 0 || text[0] == '\0') &&
+ prog_completion_enabled && (progcomp_size () > 0) &&
+ current_prompt_string == ps1_prompt)
+ {
+ int s, e, foundcs;
+ char *n;
+
+ /* XXX - don't free the members */
+ if (prog_complete_matches)
+ free (prog_complete_matches);
+ prog_complete_matches = (char **)NULL;
+
+ s = find_cmd_start (start);
+ e = find_cmd_end (end);
+ n = find_cmd_name (s);
+ if (e == 0 && e == s && text[0] == '\0')
+ prog_complete_matches = programmable_completions ("_EmptycmD_", text, s, e, &foundcs);
+ else if (e > s && assignment (n, 0) == 0)
+ prog_complete_matches = programmable_completions (n, text, s, e, &foundcs);
+ else
+ foundcs = 0;
+ FREE (n);
+ /* XXX - if we found a COMPSPEC for the command, just return whatever
+ the programmable completion code returns, and disable the default
+ filename completion that readline will do unless the COPT_DEFAULT
+ option has been set with the `-o default' option to complete or
+ compopt. */
+ if (foundcs)
+ {
+ pcomp_set_readline_variables (foundcs, 1);
+ /* Turn what the programmable completion code returns into what
+ readline wants. I should have made compute_lcd_of_matches
+ external... */
+ matches = rl_completion_matches (text, prog_complete_return);
+ if ((foundcs & COPT_DEFAULT) == 0)
+ rl_attempted_completion_over = 1; /* no default */
+ if (matches || ((foundcs & COPT_BASHDEFAULT) == 0))
+ return (matches);
+ }
+ }
+#endif
+
+ if (matches == 0)
+ {
+ dflags = 0;
+ if (in_command_position)
+ dflags |= DEFCOMP_CMDPOS;
+ matches = bash_default_completion (text, start, end, qc, dflags);
+ }
+
+ return matches;
+}
+
+char **
+bash_default_completion (text, start, end, qc, compflags)
+ const char *text;
+ int start, end, qc, compflags;
+{
+ char **matches;
+
+ matches = (char **)NULL;
+
+ /* New posix-style command substitution or variable name? */
+ if (!matches && *text == '$')
+ {
+ if (qc != '\'' && text[1] == '(') /* ) */
+ matches = rl_completion_matches (text, command_subst_completion_function);
+ else
+ matches = rl_completion_matches (text, variable_completion_function);
+ }
+
+ /* If the word starts in `~', and there is no slash in the word, then
+ try completing this word as a username. */
+ if (!matches && *text == '~' && !xstrchr (text, '/'))
+ matches = rl_completion_matches (text, rl_username_completion_function);
+
+ /* Another one. Why not? If the word starts in '@', then look through
+ the world of known hostnames for completion first. */
+ if (!matches && perform_hostname_completion && *text == '@')
+ matches = rl_completion_matches (text, hostname_completion_function);
+
+ /* And last, (but not least) if this word is in a command position, then
+ complete over possible command names, including aliases, functions,
+ and command names. */
+ if (matches == 0 && (compflags & DEFCOMP_CMDPOS))
+ {
+ /* If END == START and text[0] == 0, we are trying to complete an empty
+ command word. */
+ if (no_empty_command_completion && end == start && text[0] == '\0')
+ {
+ matches = (char **)NULL;
+ rl_ignore_some_completions_function = bash_ignore_everything;
+ }
+ else
+ {
+#define CMD_IS_DIR(x) (absolute_pathname(x) == 0 && absolute_program(x) == 0 && *(x) != '~' && test_for_directory (x))
+
+ dot_in_path = 0;
+ matches = rl_completion_matches (text, command_word_completion_function);
+
+ /* If we are attempting command completion and nothing matches, we
+ do not want readline to perform filename completion for us. We
+ still want to be able to complete partial pathnames, so set the
+ completion ignore function to something which will remove
+ filenames and leave directories in the match list. */
+ if (matches == (char **)NULL)
+ rl_ignore_some_completions_function = bash_ignore_filenames;
+ else if (matches[1] == 0 && CMD_IS_DIR(matches[0]) && dot_in_path == 0)
+ /* If we found a single match, without looking in the current
+ directory (because it's not in $PATH), but the found name is
+ also a command in the current directory, suppress appending any
+ terminating character, since it's ambiguous. */
+ {
+ rl_completion_suppress_append = 1;
+ rl_filename_completion_desired = 0;
+ }
+ else if (matches[0] && matches[1] && STREQ (matches[0], matches[1]) && CMD_IS_DIR (matches[0]))
+ /* There are multiple instances of the same match (duplicate
+ completions haven't yet been removed). In this case, all of
+ the matches will be the same, and the duplicate removal code
+ will distill them all down to one. We turn on
+ rl_completion_suppress_append for the same reason as above.
+ Remember: we only care if there's eventually a single unique
+ completion. If there are multiple completions this won't
+ make a difference and the problem won't occur. */
+ {
+ rl_completion_suppress_append = 1;
+ rl_filename_completion_desired = 0;
+ }
+ }
+ }
+
+ /* This could be a globbing pattern, so try to expand it using pathname
+ expansion. */
+ if (!matches && glob_pattern_p (text))
+ {
+ matches = rl_completion_matches (text, glob_complete_word);
+ /* A glob expression that matches more than one filename is problematic.
+ If we match more than one filename, punt. */
+ if (matches && matches[1] && rl_completion_type == TAB)
+ {
+ strvec_dispose (matches);
+ matches = (char **)0;
+ }
+ }
+
+ return (matches);
+}
+
+/* This is the function to call when the word to complete is in a position
+ where a command word can be found. It grovels $PATH, looking for commands
+ that match. It also scans aliases, function names, and the shell_builtin
+ table. */
+char *
+command_word_completion_function (hint_text, state)
+ const char *hint_text;
+ int state;
+{
+ static char *hint = (char *)NULL;
+ static char *path = (char *)NULL;
+ static char *val = (char *)NULL;
+ static char *filename_hint = (char *)NULL;
+ static char *dequoted_hint = (char *)NULL;
+ static char *directory_part = (char *)NULL;
+ static char **glob_matches = (char **)NULL;
+ static int path_index, hint_len, dequoted_len, istate, igncase;
+ static int mapping_over, local_index, searching_path, hint_is_dir;
+ static int old_glob_ignore_case, globpat;
+ static SHELL_VAR **varlist = (SHELL_VAR **)NULL;
+#if defined (ALIAS)
+ static alias_t **alias_list = (alias_t **)NULL;
+#endif /* ALIAS */
+ char *temp;
+
+ /* We have to map over the possibilities for command words. If we have
+ no state, then make one just for that purpose. */
+ if (state == 0)
+ {
+ if (dequoted_hint && dequoted_hint != hint)
+ free (dequoted_hint);
+ if (hint)
+ free (hint);
+
+ mapping_over = searching_path = 0;
+ hint_is_dir = CMD_IS_DIR (hint_text);
+ val = (char *)NULL;
+
+ temp = rl_variable_value ("completion-ignore-case");
+ igncase = RL_BOOLEAN_VARIABLE_VALUE (temp);
+
+ if (glob_matches)
+ {
+ free (glob_matches);
+ glob_matches = (char **)NULL;
+ }
+
+ globpat = glob_pattern_p (hint_text);
+
+ /* If this is an absolute program name, do not check it against
+ aliases, reserved words, functions or builtins. We must check
+ whether or not it is unique, and, if so, whether that filename
+ is executable. */
+ if (globpat || absolute_program (hint_text))
+ {
+ /* Perform tilde expansion on what's passed, so we don't end up
+ passing filenames with tildes directly to stat(). */
+ if (*hint_text == '~')
+ {
+ hint = bash_tilde_expand (hint_text, 0);
+ directory_part = savestring (hint_text);
+ temp = strchr (directory_part, '/');
+ if (temp)
+ *temp = 0;
+ else
+ {
+ free (directory_part);
+ directory_part = (char *)NULL;
+ }
+ }
+ else
+ hint = savestring (hint_text);
+
+ dequoted_hint = hint;
+ /* If readline's completer found a quote character somewhere, but
+ didn't set the quote character, there must have been a quote
+ character embedded in the filename. It can't be at the start of
+ the filename, so we need to dequote the filename before we look
+ in the file system for it. */
+ if (rl_completion_found_quote && rl_completion_quote_character == 0)
+ {
+ dequoted_hint = bash_dequote_filename (hint, 0);
+ free (hint);
+ hint = dequoted_hint;
+ }
+ dequoted_len = hint_len = strlen (hint);
+
+ if (filename_hint)
+ free (filename_hint);
+
+ filename_hint = savestring (hint);
+
+ istate = 0;
+
+ if (globpat)
+ {
+ mapping_over = 5;
+ goto globword;
+ }
+ else
+ {
+ mapping_over = 4;
+ goto inner;
+ }
+ }
+
+ dequoted_hint = hint = savestring (hint_text);
+ dequoted_len = hint_len = strlen (hint);
+
+ if (rl_completion_found_quote && rl_completion_quote_character == 0)
+ {
+ dequoted_hint = bash_dequote_filename (hint, 0);
+ dequoted_len = strlen (dequoted_hint);
+ }
+
+ path = get_string_value ("PATH");
+ path_index = dot_in_path = 0;
+
+ /* Initialize the variables for each type of command word. */
+ local_index = 0;
+
+ if (varlist)
+ free (varlist);
+
+ varlist = all_visible_functions ();
+
+#if defined (ALIAS)
+ if (alias_list)
+ free (alias_list);
+
+ alias_list = all_aliases ();
+#endif /* ALIAS */
+ }
+
+ /* mapping_over says what we are currently hacking. Note that every case
+ in this list must fall through when there are no more possibilities. */
+
+ switch (mapping_over)
+ {
+ case 0: /* Aliases come first. */
+#if defined (ALIAS)
+ while (alias_list && alias_list[local_index])
+ {
+ register char *alias;
+
+ alias = alias_list[local_index++]->name;
+
+ if (STREQN (alias, hint, hint_len))
+ return (savestring (alias));
+ }
+#endif /* ALIAS */
+ local_index = 0;
+ mapping_over++;
+
+ case 1: /* Then shell reserved words. */
+ {
+ while (word_token_alist[local_index].word)
+ {
+ register char *reserved_word;
+
+ reserved_word = word_token_alist[local_index++].word;
+
+ if (STREQN (reserved_word, hint, hint_len))
+ return (savestring (reserved_word));
+ }
+ local_index = 0;
+ mapping_over++;
+ }
+
+ case 2: /* Then function names. */
+ while (varlist && varlist[local_index])
+ {
+ register char *varname;
+
+ varname = varlist[local_index++]->name;
+
+ if (STREQN (varname, hint, hint_len))
+ return (savestring (varname));
+ }
+ local_index = 0;
+ mapping_over++;
+
+ case 3: /* Then shell builtins. */
+ for (; local_index < num_shell_builtins; local_index++)
+ {
+ /* Ignore it if it doesn't have a function pointer or if it
+ is not currently enabled. */
+ if (!shell_builtins[local_index].function ||
+ (shell_builtins[local_index].flags & BUILTIN_ENABLED) == 0)
+ continue;
+
+ if (STREQN (shell_builtins[local_index].name, hint, hint_len))
+ {
+ int i = local_index++;
+
+ return (savestring (shell_builtins[i].name));
+ }
+ }
+ local_index = 0;
+ mapping_over++;
+ }
+
+globword:
+ /* Limited support for completing command words with globbing chars. Only
+ a single match (multiple matches that end up reducing the number of
+ characters in the common prefix are bad) will ever be returned on
+ regular completion. */
+ if (glob_pattern_p (hint))
+ {
+ if (state == 0)
+ {
+ glob_ignore_case = igncase;
+ glob_matches = shell_glob_filename (hint);
+ glob_ignore_case = old_glob_ignore_case;
+
+ if (GLOB_FAILED (glob_matches) || glob_matches == 0)
+ {
+ glob_matches = (char **)NULL;
+ return ((char *)NULL);
+ }
+
+ local_index = 0;
+
+ if (glob_matches[1] && rl_completion_type == TAB) /* multiple matches are bad */
+ return ((char *)NULL);
+ }
+
+ while (val = glob_matches[local_index++])
+ {
+ if (executable_or_directory (val))
+ {
+ if (*hint_text == '~')
+ {
+ temp = restore_tilde (val, directory_part);
+ free (val);
+ val = temp;
+ }
+ return (val);
+ }
+ free (val);
+ }
+
+ glob_ignore_case = old_glob_ignore_case;
+ return ((char *)NULL);
+ }
+
+ /* If the text passed is a directory in the current directory, return it
+ as a possible match. Executables in directories in the current
+ directory can be specified using relative pathnames and successfully
+ executed even when `.' is not in $PATH. */
+ if (hint_is_dir)
+ {
+ hint_is_dir = 0; /* only return the hint text once */
+ return (savestring (hint_text));
+ }
+
+ /* Repeatedly call filename_completion_function while we have
+ members of PATH left. Question: should we stat each file?
+ Answer: we call executable_file () on each file. */
+ outer:
+
+ istate = (val != (char *)NULL);
+
+ if (istate == 0)
+ {
+ char *current_path;
+
+ /* Get the next directory from the path. If there is none, then we
+ are all done. */
+ if (path == 0 || path[path_index] == 0 ||
+ (current_path = extract_colon_unit (path, &path_index)) == 0)
+ return ((char *)NULL);
+
+ searching_path = 1;
+ if (*current_path == 0)
+ {
+ free (current_path);
+ current_path = savestring (".");
+ }
+
+ if (*current_path == '~')
+ {
+ char *t;
+
+ t = bash_tilde_expand (current_path, 0);
+ free (current_path);
+ current_path = t;
+ }
+
+ if (current_path[0] == '.' && current_path[1] == '\0')
+ dot_in_path = 1;
+
+ if (filename_hint)
+ free (filename_hint);
+
+ filename_hint = sh_makepath (current_path, hint, 0);
+ free (current_path); /* XXX */
+ }
+
+ inner:
+ val = rl_filename_completion_function (filename_hint, istate);
+ istate = 1;
+
+ if (val == 0)
+ {
+ /* If the hint text is an absolute program, then don't bother
+ searching through PATH. */
+ if (absolute_program (hint))
+ return ((char *)NULL);
+
+ goto outer;
+ }
+ else
+ {
+ int match, freetemp;
+
+ if (absolute_program (hint))
+ {
+ if (igncase == 0)
+ match = strncmp (val, hint, hint_len) == 0;
+ else
+ match = strncasecmp (val, hint, hint_len) == 0;
+
+ /* If we performed tilde expansion, restore the original
+ filename. */
+ if (*hint_text == '~')
+ temp = restore_tilde (val, directory_part);
+ else
+ temp = savestring (val);
+ freetemp = 1;
+ }
+ else
+ {
+ temp = strrchr (val, '/');
+
+ if (temp)
+ {
+ temp++;
+ if (igncase == 0)
+ freetemp = match = strncmp (temp, hint, hint_len) == 0;
+ else
+ freetemp = match = strncasecmp (temp, hint, hint_len) == 0;
+ if (match)
+ temp = savestring (temp);
+ }
+ else
+ freetemp = match = 0;
+ }
+
+#if 0
+ /* If we have found a match, and it is an executable file or a
+ directory name, return it. */
+ if (match && executable_or_directory (val))
+#else
+ /* If we have found a match, and it is an executable file, return it.
+ We don't return directory names when searching $PATH, since the
+ bash execution code won't find executables in directories which
+ appear in directories in $PATH when they're specified using
+ relative pathnames. */
+ if (match && (searching_path ? executable_file (val) : executable_or_directory (val)))
+#endif
+ {
+ free (val);
+ val = ""; /* So it won't be NULL. */
+ return (temp);
+ }
+ else
+ {
+ if (freetemp)
+ free (temp);
+ free (val);
+ goto inner;
+ }
+ }
+}
+
+/* Completion inside an unterminated command substitution. */
+static char *
+command_subst_completion_function (text, state)
+ const char *text;
+ int state;
+{
+ static char **matches = (char **)NULL;
+ static const char *orig_start;
+ static char *filename_text = (char *)NULL;
+ static int cmd_index, start_len;
+ char *value;
+
+ if (state == 0)
+ {
+ if (filename_text)
+ free (filename_text);
+ orig_start = text;
+ if (*text == '`')
+ text++;
+ else if (*text == '$' && text[1] == '(') /* ) */
+ text += 2;
+ /* If the text was quoted, suppress any quote character that the
+ readline completion code would insert. */
+ rl_completion_suppress_quote = 1;
+ start_len = text - orig_start;
+ filename_text = savestring (text);
+ if (matches)
+ free (matches);
+
+ /*
+ * At this point we can entertain the idea of re-parsing
+ * `filename_text' into a (possibly incomplete) command name and
+ * arguments, and doing completion based on that. This is
+ * currently very rudimentary, but it is a small improvement.
+ */
+ for (value = filename_text + strlen (filename_text) - 1; value > filename_text; value--)
+ if (whitespace (*value) || member (*value, COMMAND_SEPARATORS))
+ break;
+ if (value <= filename_text)
+ matches = rl_completion_matches (filename_text, command_word_completion_function);
+ else
+ {
+ value++;
+ start_len += value - filename_text;
+ if (whitespace (value[-1]))
+ matches = rl_completion_matches (value, rl_filename_completion_function);
+ else
+ matches = rl_completion_matches (value, command_word_completion_function);
+ }
+
+ /* If there is more than one match, rl_completion_matches has already
+ put the lcd in matches[0]. Skip over it. */
+ cmd_index = matches && matches[0] && matches[1];
+
+ /* If there's a single match and it's a directory, set the append char
+ to the expected `/'. Otherwise, don't append anything. */
+ if (matches && matches[0] && matches[1] == 0 && test_for_directory (matches[0]))
+ rl_completion_append_character = '/';
+ else
+ rl_completion_suppress_append = 1;
+ }
+
+ if (!matches || !matches[cmd_index])
+ {
+ rl_filename_quoting_desired = 0; /* disable quoting */
+ return ((char *)NULL);
+ }
+ else
+ {
+ value = (char *)xmalloc (1 + start_len + strlen (matches[cmd_index]));
+
+ if (start_len == 1)
+ value[0] = *orig_start;
+ else
+ strncpy (value, orig_start, start_len);
+
+ strcpy (value + start_len, matches[cmd_index]);
+
+ cmd_index++;
+ return (value);
+ }
+}
+
+/* Okay, now we write the entry_function for variable completion. */
+static char *
+variable_completion_function (text, state)
+ const char *text;
+ int state;
+{
+ static char **varlist = (char **)NULL;
+ static int varlist_index;
+ static char *varname = (char *)NULL;
+ static int namelen;
+ static int first_char, first_char_loc;
+
+ if (!state)
+ {
+ if (varname)
+ free (varname);
+
+ first_char_loc = 0;
+ first_char = text[0];
+
+ if (first_char == '$')
+ first_char_loc++;
+
+ if (text[first_char_loc] == '{')
+ first_char_loc++;
+
+ varname = savestring (text + first_char_loc);
+
+ namelen = strlen (varname);
+ if (varlist)
+ strvec_dispose (varlist);
+
+ varlist = all_variables_matching_prefix (varname);
+ varlist_index = 0;
+ }
+
+ if (!varlist || !varlist[varlist_index])
+ {
+ return ((char *)NULL);
+ }
+ else
+ {
+ char *value;
+
+ value = (char *)xmalloc (4 + strlen (varlist[varlist_index]));
+
+ if (first_char_loc)
+ {
+ value[0] = first_char;
+ if (first_char_loc == 2)
+ value[1] = '{';
+ }
+
+ strcpy (value + first_char_loc, varlist[varlist_index]);
+ if (first_char_loc == 2)
+ strcat (value, "}");
+
+ varlist_index++;
+ return (value);
+ }
+}
+
+/* How about a completion function for hostnames? */
+static char *
+hostname_completion_function (text, state)
+ const char *text;
+ int state;
+{
+ static char **list = (char **)NULL;
+ static int list_index = 0;
+ static int first_char, first_char_loc;
+
+ /* If we don't have any state, make some. */
+ if (state == 0)
+ {
+ FREE (list);
+
+ list = (char **)NULL;
+
+ first_char_loc = 0;
+ first_char = *text;
+
+ if (first_char == '@')
+ first_char_loc++;
+
+ list = hostnames_matching ((char *)text+first_char_loc);
+ list_index = 0;
+ }
+
+ if (list && list[list_index])
+ {
+ char *t;
+
+ t = (char *)xmalloc (2 + strlen (list[list_index]));
+ *t = first_char;
+ strcpy (t + first_char_loc, list[list_index]);
+ list_index++;
+ return (t);
+ }
+
+ return ((char *)NULL);
+}
+
+/*
+ * A completion function for service names from /etc/services (or wherever).
+ */
+char *
+bash_servicename_completion_function (text, state)
+ const char *text;
+ int state;
+{
+#if defined (__WIN32__) || defined (__OPENNT) || !defined (HAVE_GETSERVENT)
+ return ((char *)NULL);
+#else
+ static char *sname = (char *)NULL;
+ static struct servent *srvent;
+ static int snamelen, firstc;
+ char *value;
+ char **alist, *aentry;
+ int afound;
+
+ if (state == 0)
+ {
+ FREE (sname);
+ firstc = *text;
+
+ sname = savestring (text);
+ snamelen = strlen (sname);
+ setservent (0);
+ }
+
+ while (srvent = getservent ())
+ {
+ afound = 0;
+ if (snamelen == 0 || (STREQN (sname, srvent->s_name, snamelen)))
+ break;
+ /* Not primary, check aliases */
+ for (alist = srvent->s_aliases; *alist; alist++)
+ {
+ aentry = *alist;
+ if (STREQN (sname, aentry, snamelen))
+ {
+ afound = 1;
+ break;
+ }
+ }
+
+ if (afound)
+ break;
+ }
+
+ if (srvent == 0)
+ {
+ endservent ();
+ return ((char *)NULL);
+ }
+
+ value = afound ? savestring (aentry) : savestring (srvent->s_name);
+ return value;
+#endif
+}
+
+/*
+ * A completion function for group names from /etc/group (or wherever).
+ */
+char *
+bash_groupname_completion_function (text, state)
+ const char *text;
+ int state;
+{
+#if defined (__WIN32__) || defined (__OPENNT) || !defined (HAVE_GRP_H)
+ return ((char *)NULL);
+#else
+ static char *gname = (char *)NULL;
+ static struct group *grent;
+ static int gnamelen;
+ char *value;
+
+ if (state == 0)
+ {
+ FREE (gname);
+ gname = savestring (text);
+ gnamelen = strlen (gname);
+
+ setgrent ();
+ }
+
+ while (grent = getgrent ())
+ {
+ if (gnamelen == 0 || (STREQN (gname, grent->gr_name, gnamelen)))
+ break;
+ }
+
+ if (grent == 0)
+ {
+ endgrent ();
+ return ((char *)NULL);
+ }
+
+ value = savestring (grent->gr_name);
+ return (value);
+#endif
+}
+
+/* Functions to perform history and alias expansions on the current line. */
+
+#if defined (BANG_HISTORY)
+/* Perform history expansion on the current line. If no history expansion
+ is done, pre_process_line() returns what it was passed, so we need to
+ allocate a new line here. */
+static char *
+history_expand_line_internal (line)
+ char *line;
+{
+ char *new_line;
+ int old_verify;
+
+ old_verify = hist_verify;
+ hist_verify = 0;
+ new_line = pre_process_line (line, 0, 0);
+ hist_verify = old_verify;
+
+ return (new_line == line) ? savestring (line) : new_line;
+}
+#endif
+
+/* There was an error in expansion. Let the preprocessor print
+ the error here. */
+static void
+cleanup_expansion_error ()
+{
+ char *to_free;
+#if defined (BANG_HISTORY)
+ int old_verify;
+
+ old_verify = hist_verify;
+ hist_verify = 0;
+#endif
+
+ fprintf (rl_outstream, "\r\n");
+ to_free = pre_process_line (rl_line_buffer, 1, 0);
+#if defined (BANG_HISTORY)
+ hist_verify = old_verify;
+#endif
+ if (to_free != rl_line_buffer)
+ FREE (to_free);
+ putc ('\r', rl_outstream);
+ rl_forced_update_display ();
+}
+
+/* If NEW_LINE differs from what is in the readline line buffer, add an
+ undo record to get from the readline line buffer contents to the new
+ line and make NEW_LINE the current readline line. */
+static void
+maybe_make_readline_line (new_line)
+ char *new_line;
+{
+ if (strcmp (new_line, rl_line_buffer) != 0)
+ {
+ rl_point = rl_end;
+
+ rl_add_undo (UNDO_BEGIN, 0, 0, 0);
+ rl_delete_text (0, rl_point);
+ rl_point = rl_end = rl_mark = 0;
+ rl_insert_text (new_line);
+ rl_add_undo (UNDO_END, 0, 0, 0);
+ }
+}
+
+/* Make NEW_LINE be the current readline line. This frees NEW_LINE. */
+static void
+set_up_new_line (new_line)
+ char *new_line;
+{
+ int old_point, at_end;
+
+ old_point = rl_point;
+ at_end = rl_point == rl_end;
+
+ /* If the line was history and alias expanded, then make that
+ be one thing to undo. */
+ maybe_make_readline_line (new_line);
+ free (new_line);
+
+ /* Place rl_point where we think it should go. */
+ if (at_end)
+ rl_point = rl_end;
+ else if (old_point < rl_end)
+ {
+ rl_point = old_point;
+ if (!whitespace (rl_line_buffer[rl_point]))
+ rl_forward_word (1, 0);
+ }
+}
+
+#if defined (ALIAS)
+/* Expand aliases in the current readline line. */
+static int
+alias_expand_line (count, ignore)
+ int count, ignore;
+{
+ char *new_line;
+
+ new_line = alias_expand (rl_line_buffer);
+
+ if (new_line)
+ {
+ set_up_new_line (new_line);
+ return (0);
+ }
+ else
+ {
+ cleanup_expansion_error ();
+ return (1);
+ }
+}
+#endif
+
+#if defined (BANG_HISTORY)
+/* History expand the line. */
+static int
+history_expand_line (count, ignore)
+ int count, ignore;
+{
+ char *new_line;
+
+ new_line = history_expand_line_internal (rl_line_buffer);
+
+ if (new_line)
+ {
+ set_up_new_line (new_line);
+ return (0);
+ }
+ else
+ {
+ cleanup_expansion_error ();
+ return (1);
+ }
+}
+
+/* Expand history substitutions in the current line and then insert a
+ space (hopefully close to where we were before). */
+static int
+tcsh_magic_space (count, ignore)
+ int count, ignore;
+{
+ int dist_from_end, old_point;
+
+ old_point = rl_point;
+ dist_from_end = rl_end - rl_point;
+ if (history_expand_line (count, ignore) == 0)
+ {
+ /* Try a simple heuristic from Stephen Gildea <gildea@intouchsys.com>.
+ This works if all expansions were before rl_point or if no expansions
+ were performed. */
+ rl_point = (old_point == 0) ? old_point : rl_end - dist_from_end;
+ rl_insert (1, ' ');
+ return (0);
+ }
+ else
+ return (1);
+}
+#endif /* BANG_HISTORY */
+
+/* History and alias expand the line. */
+static int
+history_and_alias_expand_line (count, ignore)
+ int count, ignore;
+{
+ char *new_line;
+
+ new_line = 0;
+#if defined (BANG_HISTORY)
+ new_line = history_expand_line_internal (rl_line_buffer);
+#endif
+
+#if defined (ALIAS)
+ if (new_line)
+ {
+ char *alias_line;
+
+ alias_line = alias_expand (new_line);
+ free (new_line);
+ new_line = alias_line;
+ }
+#endif /* ALIAS */
+
+ if (new_line)
+ {
+ set_up_new_line (new_line);
+ return (0);
+ }
+ else
+ {
+ cleanup_expansion_error ();
+ return (1);
+ }
+}
+
+/* History and alias expand the line, then perform the shell word
+ expansions by calling expand_string. This can't use set_up_new_line()
+ because we want the variable expansions as a separate undo'able
+ set of operations. */
+static int
+shell_expand_line (count, ignore)
+ int count, ignore;
+{
+ char *new_line;
+ WORD_LIST *expanded_string;
+
+ new_line = 0;
+#if defined (BANG_HISTORY)
+ new_line = history_expand_line_internal (rl_line_buffer);
+#endif
+
+#if defined (ALIAS)
+ if (new_line)
+ {
+ char *alias_line;
+
+ alias_line = alias_expand (new_line);
+ free (new_line);
+ new_line = alias_line;
+ }
+#endif /* ALIAS */
+
+ if (new_line)
+ {
+ int old_point = rl_point;
+ int at_end = rl_point == rl_end;
+
+ /* If the line was history and alias expanded, then make that
+ be one thing to undo. */
+ maybe_make_readline_line (new_line);
+ free (new_line);
+
+ /* If there is variable expansion to perform, do that as a separate
+ operation to be undone. */
+ new_line = savestring (rl_line_buffer);
+ expanded_string = expand_string (new_line, 0);
+ FREE (new_line);
+ if (expanded_string == 0)
+ {
+ new_line = (char *)xmalloc (1);
+ new_line[0] = '\0';
+ }
+ else
+ {
+ new_line = string_list (expanded_string);
+ dispose_words (expanded_string);
+ }
+
+ maybe_make_readline_line (new_line);
+ free (new_line);
+
+ /* Place rl_point where we think it should go. */
+ if (at_end)
+ rl_point = rl_end;
+ else if (old_point < rl_end)
+ {
+ rl_point = old_point;
+ if (!whitespace (rl_line_buffer[rl_point]))
+ rl_forward_word (1, 0);
+ }
+ return 0;
+ }
+ else
+ {
+ cleanup_expansion_error ();
+ return 1;
+ }
+}
+
+/* If FIGNORE is set, then don't match files with the given suffixes when
+ completing filenames. If only one of the possibilities has an acceptable
+ suffix, delete the others, else just return and let the completer
+ signal an error. It is called by the completer when real
+ completions are done on filenames by the completer's internal
+ function, not for completion lists (M-?) and not on "other"
+ completion types, such as hostnames or commands. */
+
+static struct ignorevar fignore =
+{
+ "FIGNORE",
+ (struct ign *)0,
+ 0,
+ (char *)0,
+ (sh_iv_item_func_t *) 0,
+};
+
+static void
+_ignore_completion_names (names, name_func)
+ char **names;
+ sh_ignore_func_t *name_func;
+{
+ char **newnames;
+ int idx, nidx;
+ char **oldnames;
+ int oidx;
+
+ /* If there is only one completion, see if it is acceptable. If it is
+ not, free it up. In any case, short-circuit and return. This is a
+ special case because names[0] is not the prefix of the list of names
+ if there is only one completion; it is the completion itself. */
+ if (names[1] == (char *)0)
+ {
+ if (force_fignore)
+ if ((*name_func) (names[0]) == 0)
+ {
+ free (names[0]);
+ names[0] = (char *)NULL;
+ }
+
+ return;
+ }
+
+ /* Allocate space for array to hold list of pointers to matching
+ filenames. The pointers are copied back to NAMES when done. */
+ for (nidx = 1; names[nidx]; nidx++)
+ ;
+ newnames = strvec_create (nidx + 1);
+
+ if (force_fignore == 0)
+ {
+ oldnames = strvec_create (nidx - 1);
+ oidx = 0;
+ }
+
+ newnames[0] = names[0];
+ for (idx = nidx = 1; names[idx]; idx++)
+ {
+ if ((*name_func) (names[idx]))
+ newnames[nidx++] = names[idx];
+ else if (force_fignore == 0)
+ oldnames[oidx++] = names[idx];
+ else
+ free (names[idx]);
+ }
+
+ newnames[nidx] = (char *)NULL;
+
+ /* If none are acceptable then let the completer handle it. */
+ if (nidx == 1)
+ {
+ if (force_fignore)
+ {
+ free (names[0]);
+ names[0] = (char *)NULL;
+ }
+ else
+ free (oldnames);
+
+ free (newnames);
+ return;
+ }
+
+ if (force_fignore == 0)
+ {
+ while (oidx)
+ free (oldnames[--oidx]);
+ free (oldnames);
+ }
+
+ /* If only one is acceptable, copy it to names[0] and return. */
+ if (nidx == 2)
+ {
+ free (names[0]);
+ names[0] = newnames[1];
+ names[1] = (char *)NULL;
+ free (newnames);
+ return;
+ }
+
+ /* Copy the acceptable names back to NAMES, set the new array end,
+ and return. */
+ for (nidx = 1; newnames[nidx]; nidx++)
+ names[nidx] = newnames[nidx];
+ names[nidx] = (char *)NULL;
+ free (newnames);
+}
+
+static int
+name_is_acceptable (name)
+ const char *name;
+{
+ struct ign *p;
+ int nlen;
+
+ for (nlen = strlen (name), p = fignore.ignores; p->val; p++)
+ {
+ if (nlen > p->len && p->len > 0 && STREQ (p->val, &name[nlen - p->len]))
+ return (0);
+ }
+
+ return (1);
+}
+
+#if 0
+static int
+ignore_dot_names (name)
+ char *name;
+{
+ return (name[0] != '.');
+}
+#endif
+
+static int
+filename_completion_ignore (names)
+ char **names;
+{
+#if 0
+ if (glob_dot_filenames == 0)
+ _ignore_completion_names (names, ignore_dot_names);
+#endif
+
+ setup_ignore_patterns (&fignore);
+
+ if (fignore.num_ignores == 0)
+ return 0;
+
+ _ignore_completion_names (names, name_is_acceptable);
+
+ return 0;
+}
+
+/* Return 1 if NAME is a directory. NAME undergoes tilde expansion. */
+static int
+test_for_directory (name)
+ const char *name;
+{
+ char *fn;
+ int r;
+
+ fn = bash_tilde_expand (name, 0);
+ r = file_isdir (fn);
+ free (fn);
+
+ return (r);
+}
+
+/* Remove files from NAMES, leaving directories. */
+static int
+bash_ignore_filenames (names)
+ char **names;
+{
+ _ignore_completion_names (names, test_for_directory);
+ return 0;
+}
+
+static int
+return_zero (name)
+ const char *name;
+{
+ return 0;
+}
+
+static int
+bash_ignore_everything (names)
+ char **names;
+{
+ _ignore_completion_names (names, return_zero);
+ return 0;
+}
+
+/* Replace a tilde-prefix in VAL with a `~', assuming the user typed it. VAL
+ is an expanded filename. DIRECTORY_PART is the tilde-prefix portion
+ of the un-tilde-expanded version of VAL (what the user typed). */
+static char *
+restore_tilde (val, directory_part)
+ char *val, *directory_part;
+{
+ int l, vl, dl2, xl;
+ char *dh2, *expdir, *ret;
+
+ vl = strlen (val);
+
+ /* We need to duplicate the expansions readline performs on the directory
+ portion before passing it to our completion function. */
+ dh2 = directory_part ? bash_dequote_filename (directory_part, 0) : 0;
+ bash_directory_expansion (&dh2);
+ dl2 = strlen (dh2);
+
+ expdir = bash_tilde_expand (directory_part, 0);
+ xl = strlen (expdir);
+ free (expdir);
+
+ /*
+ dh2 = unexpanded but dequoted tilde-prefix
+ dl2 = length of tilde-prefix
+ expdir = tilde-expanded tilde-prefix
+ xl = length of expanded tilde-prefix
+ l = length of remainder after tilde-prefix
+ */
+ l = (vl - xl) + 1;
+
+ ret = (char *)xmalloc (dl2 + 2 + l);
+ strcpy (ret, dh2);
+ strcpy (ret + dl2, val + xl);
+
+ free (dh2);
+ return (ret);
+}
+
+/* Simulate the expansions that will be performed by
+ rl_filename_completion_function. This must be called with the address of
+ a pointer to malloc'd memory. */
+static void
+bash_directory_expansion (dirname)
+ char **dirname;
+{
+ char *d, *nd;
+
+ d = savestring (*dirname);
+
+ if (rl_directory_rewrite_hook)
+ (*rl_directory_rewrite_hook) (&d);
+
+ if (rl_directory_completion_hook && (*rl_directory_completion_hook) (&d))
+ {
+ free (*dirname);
+ *dirname = d;
+ }
+ else if (rl_completion_found_quote)
+ {
+ nd = bash_dequote_filename (d, rl_completion_quote_character);
+ free (*dirname);
+ free (d);
+ *dirname = nd;
+ }
+}
+
+/* Handle symbolic link references and other directory name
+ expansions while hacking completion. */
+static int
+bash_directory_completion_hook (dirname)
+ char **dirname;
+{
+ char *local_dirname, *new_dirname, *t;
+ int return_value, should_expand_dirname;
+ WORD_LIST *wl;
+ struct stat sb;
+
+ return_value = should_expand_dirname = 0;
+ local_dirname = *dirname;
+
+ if (xstrchr (local_dirname, '$'))
+ should_expand_dirname = 1;
+ else
+ {
+ t = xstrchr (local_dirname, '`');
+ if (t && unclosed_pair (local_dirname, strlen (local_dirname), "`") == 0)
+ should_expand_dirname = 1;
+ }
+
+#if defined (HAVE_LSTAT)
+ if (should_expand_dirname && lstat (local_dirname, &sb) == 0)
+#else
+ if (should_expand_dirname && stat (local_dirname, &sb) == 0)
+#endif
+ should_expand_dirname = 0;
+
+ if (should_expand_dirname)
+ {
+ new_dirname = savestring (local_dirname);
+ wl = expand_prompt_string (new_dirname, 0, W_NOCOMSUB); /* does the right thing */
+ if (wl)
+ {
+ *dirname = string_list (wl);
+ /* Tell the completer to replace the directory name only if we
+ actually expanded something. */
+ return_value = STREQ (local_dirname, *dirname) == 0;
+ free (local_dirname);
+ free (new_dirname);
+ dispose_words (wl);
+ local_dirname = *dirname;
+ }
+ else
+ {
+ free (new_dirname);
+ free (local_dirname);
+ *dirname = (char *)xmalloc (1);
+ **dirname = '\0';
+ return 1;
+ }
+ }
+ else
+ {
+ /* Dequote the filename even if we don't expand it. */
+ new_dirname = bash_dequote_filename (local_dirname, rl_completion_quote_character);
+ free (local_dirname);
+ local_dirname = *dirname = new_dirname;
+ }
+
+ if (no_symbolic_links == 0 && (local_dirname[0] != '.' || local_dirname[1]))
+ {
+ char *temp1, *temp2;
+ int len1, len2;
+
+ t = get_working_directory ("symlink-hook");
+ temp1 = make_absolute (local_dirname, t);
+ free (t);
+ temp2 = sh_canonpath (temp1, PATH_CHECKDOTDOT|PATH_CHECKEXISTS);
+
+ /* Try spelling correction if initial canonicalization fails. */
+ if (temp2 == 0 && dircomplete_spelling)
+ {
+ temp2 = dirspell (temp1);
+ if (temp2)
+ {
+ free (temp1);
+ temp1 = temp2;
+ temp2 = sh_canonpath (temp1, PATH_CHECKDOTDOT|PATH_CHECKEXISTS);
+ return_value = temp2 != 0;
+ }
+ }
+ /* If we can't canonicalize, bail. */
+ if (temp2 == 0)
+ {
+ free (temp1);
+ return 1;
+ }
+ len1 = strlen (temp1);
+ if (temp1[len1 - 1] == '/')
+ {
+ len2 = strlen (temp2);
+ if (len2 > 2) /* don't append `/' to `/' or `//' */
+ {
+ temp2 = (char *)xrealloc (temp2, len2 + 2);
+ temp2[len2] = '/';
+ temp2[len2 + 1] = '\0';
+ }
+ }
+ free (local_dirname);
+ *dirname = temp2;
+ free (temp1);
+ }
+ return (return_value);
+}
+
+static char **history_completion_array = (char **)NULL;
+static int harry_size;
+static int harry_len;
+
+static void
+build_history_completion_array ()
+{
+ register int i, j;
+ HIST_ENTRY **hlist;
+ char **tokens;
+
+ /* First, clear out the current dynamic history completion list. */
+ if (harry_size)
+ {
+ strvec_dispose (history_completion_array);
+ history_completion_array = (char **)NULL;
+ harry_size = 0;
+ harry_len = 0;
+ }
+
+ /* Next, grovel each line of history, making each shell-sized token
+ a separate entry in the history_completion_array. */
+ hlist = history_list ();
+
+ if (hlist)
+ {
+ for (i = 0; hlist[i]; i++)
+ {
+ /* Separate each token, and place into an array. */
+ tokens = history_tokenize (hlist[i]->line);
+
+ for (j = 0; tokens && tokens[j]; j++)
+ {
+ if (harry_len + 2 > harry_size)
+ history_completion_array = strvec_resize (history_completion_array, harry_size += 10);
+
+ history_completion_array[harry_len++] = tokens[j];
+ history_completion_array[harry_len] = (char *)NULL;
+ }
+ free (tokens);
+ }
+
+ /* Sort the complete list of tokens. */
+ qsort (history_completion_array, harry_len, sizeof (char *), (QSFUNC *)strvec_strcmp);
+ }
+}
+
+static char *
+history_completion_generator (hint_text, state)
+ const char *hint_text;
+ int state;
+{
+ static int local_index, len;
+ static const char *text;
+
+ /* If this is the first call to the generator, then initialize the
+ list of strings to complete over. */
+ if (state == 0)
+ {
+ local_index = 0;
+ build_history_completion_array ();
+ text = hint_text;
+ len = strlen (text);
+ }
+
+ while (history_completion_array && history_completion_array[local_index])
+ {
+ if (strncmp (text, history_completion_array[local_index++], len) == 0)
+ return (savestring (history_completion_array[local_index - 1]));
+ }
+ return ((char *)NULL);
+}
+
+static int
+dynamic_complete_history (count, key)
+ int count, key;
+{
+ int r;
+ rl_compentry_func_t *orig_func;
+ rl_completion_func_t *orig_attempt_func;
+
+ orig_func = rl_completion_entry_function;
+ orig_attempt_func = rl_attempted_completion_function;
+
+ rl_completion_entry_function = history_completion_generator;
+ rl_attempted_completion_function = (rl_completion_func_t *)NULL;
+
+ /* XXX - use rl_completion_mode here? */
+ if (rl_last_func == dynamic_complete_history)
+ r = rl_complete_internal ('?');
+ else
+ r = rl_complete_internal (TAB);
+
+ rl_completion_entry_function = orig_func;
+ rl_attempted_completion_function = orig_attempt_func;
+ return r;
+}
+
+static int
+bash_dabbrev_expand (count, key)
+ int count, key;
+{
+ int r;
+ rl_compentry_func_t *orig_func;
+ rl_completion_func_t *orig_attempt_func;
+
+ orig_func = rl_menu_completion_entry_function;
+ orig_attempt_func = rl_attempted_completion_function;
+
+ rl_menu_completion_entry_function = history_completion_generator;
+ rl_attempted_completion_function = (rl_completion_func_t *)NULL;
+ rl_filename_completion_desired = 0;
+
+ /* XXX - use rl_completion_mode here? */
+ if (rl_last_func == bash_dabbrev_expand)
+ rl_last_func = rl_menu_complete;
+ r = rl_menu_complete (count, key);
+
+ rl_last_func = bash_dabbrev_expand;
+ rl_menu_completion_entry_function = orig_func;
+ rl_attempted_completion_function = orig_attempt_func;
+
+ return r;
+}
+
+#if defined (SPECIFIC_COMPLETION_FUNCTIONS)
+static int
+bash_complete_username (ignore, ignore2)
+ int ignore, ignore2;
+{
+ return bash_complete_username_internal (rl_completion_mode (bash_complete_username));
+}
+
+static int
+bash_possible_username_completions (ignore, ignore2)
+ int ignore, ignore2;
+{
+ return bash_complete_username_internal ('?');
+}
+
+static int
+bash_complete_username_internal (what_to_do)
+ int what_to_do;
+{
+ return bash_specific_completion (what_to_do, rl_username_completion_function);
+}
+
+static int
+bash_complete_filename (ignore, ignore2)
+ int ignore, ignore2;
+{
+ return bash_complete_filename_internal (rl_completion_mode (bash_complete_filename));
+}
+
+static int
+bash_possible_filename_completions (ignore, ignore2)
+ int ignore, ignore2;
+{
+ return bash_complete_filename_internal ('?');
+}
+
+static int
+bash_complete_filename_internal (what_to_do)
+ int what_to_do;
+{
+ rl_compentry_func_t *orig_func;
+ rl_completion_func_t *orig_attempt_func;
+ rl_icppfunc_t *orig_dir_func;
+ /*const*/ char *orig_rl_completer_word_break_characters;
+ int r;
+
+ orig_func = rl_completion_entry_function;
+ orig_attempt_func = rl_attempted_completion_function;
+ orig_dir_func = rl_directory_completion_hook;
+ orig_rl_completer_word_break_characters = rl_completer_word_break_characters;
+ rl_completion_entry_function = rl_filename_completion_function;
+ rl_attempted_completion_function = (rl_completion_func_t *)NULL;
+ rl_directory_completion_hook = (rl_icppfunc_t *)NULL;
+ rl_completer_word_break_characters = " \t\n\"\'";
+
+ r = rl_complete_internal (what_to_do);
+
+ rl_completion_entry_function = orig_func;
+ rl_attempted_completion_function = orig_attempt_func;
+ rl_directory_completion_hook = orig_dir_func;
+ rl_completer_word_break_characters = orig_rl_completer_word_break_characters;
+
+ return r;
+}
+
+static int
+bash_complete_hostname (ignore, ignore2)
+ int ignore, ignore2;
+{
+ return bash_complete_hostname_internal (rl_completion_mode (bash_complete_hostname));
+}
+
+static int
+bash_possible_hostname_completions (ignore, ignore2)
+ int ignore, ignore2;
+{
+ return bash_complete_hostname_internal ('?');
+}
+
+static int
+bash_complete_variable (ignore, ignore2)
+ int ignore, ignore2;
+{
+ return bash_complete_variable_internal (rl_completion_mode (bash_complete_variable));
+}
+
+static int
+bash_possible_variable_completions (ignore, ignore2)
+ int ignore, ignore2;
+{
+ return bash_complete_variable_internal ('?');
+}
+
+static int
+bash_complete_command (ignore, ignore2)
+ int ignore, ignore2;
+{
+ return bash_complete_command_internal (rl_completion_mode (bash_complete_command));
+}
+
+static int
+bash_possible_command_completions (ignore, ignore2)
+ int ignore, ignore2;
+{
+ return bash_complete_command_internal ('?');
+}
+
+static int
+bash_complete_hostname_internal (what_to_do)
+ int what_to_do;
+{
+ return bash_specific_completion (what_to_do, hostname_completion_function);
+}
+
+static int
+bash_complete_variable_internal (what_to_do)
+ int what_to_do;
+{
+ return bash_specific_completion (what_to_do, variable_completion_function);
+}
+
+static int
+bash_complete_command_internal (what_to_do)
+ int what_to_do;
+{
+ return bash_specific_completion (what_to_do, command_word_completion_function);
+}
+
+static char *globtext;
+static char *globorig;
+
+static char *
+glob_complete_word (text, state)
+ const char *text;
+ int state;
+{
+ static char **matches = (char **)NULL;
+ static int ind;
+ int glen;
+ char *ret, *ttext;
+
+ if (state == 0)
+ {
+ rl_filename_completion_desired = 1;
+ FREE (matches);
+ if (globorig != globtext)
+ FREE (globorig);
+ FREE (globtext);
+
+ ttext = bash_tilde_expand (text, 0);
+
+ if (rl_explicit_arg)
+ {
+ globorig = savestring (ttext);
+ glen = strlen (ttext);
+ globtext = (char *)xmalloc (glen + 2);
+ strcpy (globtext, ttext);
+ globtext[glen] = '*';
+ globtext[glen+1] = '\0';
+ }
+ else
+ globtext = globorig = savestring (ttext);
+
+ if (ttext != text)
+ free (ttext);
+
+ matches = shell_glob_filename (globtext);
+ if (GLOB_FAILED (matches))
+ matches = (char **)NULL;
+ ind = 0;
+ }
+
+ ret = matches ? matches[ind] : (char *)NULL;
+ ind++;
+ return ret;
+}
+
+static int
+bash_glob_completion_internal (what_to_do)
+ int what_to_do;
+{
+ return bash_specific_completion (what_to_do, glob_complete_word);
+}
+
+/* A special quoting function so we don't end up quoting globbing characters
+ in the word if there are no matches or multiple matches. */
+static char *
+bash_glob_quote_filename (s, rtype, qcp)
+ char *s;
+ int rtype;
+ char *qcp;
+{
+ if (globorig && qcp && *qcp == '\0' && STREQ (s, globorig))
+ return (savestring (s));
+ else
+ return (bash_quote_filename (s, rtype, qcp));
+}
+
+static int
+bash_glob_complete_word (count, key)
+ int count, key;
+{
+ int r;
+ rl_quote_func_t *orig_quoting_function;
+
+ if (rl_editing_mode == EMACS_EDITING_MODE)
+ rl_explicit_arg = 1; /* force `*' append */
+ orig_quoting_function = rl_filename_quoting_function;
+ rl_filename_quoting_function = bash_glob_quote_filename;
+
+ r = bash_glob_completion_internal (rl_completion_mode (bash_glob_complete_word));
+
+ rl_filename_quoting_function = orig_quoting_function;
+ return r;
+}
+
+static int
+bash_glob_expand_word (count, key)
+ int count, key;
+{
+ return bash_glob_completion_internal ('*');
+}
+
+static int
+bash_glob_list_expansions (count, key)
+ int count, key;
+{
+ return bash_glob_completion_internal ('?');
+}
+
+static int
+bash_specific_completion (what_to_do, generator)
+ int what_to_do;
+ rl_compentry_func_t *generator;
+{
+ rl_compentry_func_t *orig_func;
+ rl_completion_func_t *orig_attempt_func;
+ int r;
+
+ orig_func = rl_completion_entry_function;
+ orig_attempt_func = rl_attempted_completion_function;
+ rl_completion_entry_function = generator;
+ rl_attempted_completion_function = NULL;
+
+ r = rl_complete_internal (what_to_do);
+
+ rl_completion_entry_function = orig_func;
+ rl_attempted_completion_function = orig_attempt_func;
+
+ return r;
+}
+
+#endif /* SPECIFIC_COMPLETION_FUNCTIONS */
+
+#if defined (VI_MODE)
+/* Completion, from vi mode's point of view. This is a modified version of
+ rl_vi_complete which uses the bash globbing code to implement what POSIX
+ specifies, which is to append a `*' and attempt filename generation (which
+ has the side effect of expanding any globbing characters in the word). */
+static int
+bash_vi_complete (count, key)
+ int count, key;
+{
+#if defined (SPECIFIC_COMPLETION_FUNCTIONS)
+ int p, r;
+ char *t;
+
+ if ((rl_point < rl_end) && (!whitespace (rl_line_buffer[rl_point])))
+ {
+ if (!whitespace (rl_line_buffer[rl_point + 1]))
+ rl_vi_end_word (1, 'E');
+ rl_point++;
+ }
+
+ /* Find boundaries of current word, according to vi definition of a
+ `bigword'. */
+ t = 0;
+ if (rl_point > 0)
+ {
+ p = rl_point;
+ rl_vi_bWord (1, 'B');
+ r = rl_point;
+ rl_point = p;
+ p = r;
+
+ t = substring (rl_line_buffer, p, rl_point);
+ }
+
+ if (t && glob_pattern_p (t) == 0)
+ rl_explicit_arg = 1; /* XXX - force glob_complete_word to append `*' */
+ FREE (t);
+
+ if (key == '*') /* Expansion and replacement. */
+ r = bash_glob_expand_word (count, key);
+ else if (key == '=') /* List possible completions. */
+ r = bash_glob_list_expansions (count, key);
+ else if (key == '\\') /* Standard completion */
+ r = bash_glob_complete_word (count, key);
+ else
+ r = rl_complete (0, key);
+
+ if (key == '*' || key == '\\')
+ rl_vi_start_inserting (key, 1, 1);
+
+ return (r);
+#else
+ return rl_vi_complete (count, key);
+#endif /* !SPECIFIC_COMPLETION_FUNCTIONS */
+}
+#endif /* VI_MODE */
+
+/* Filename quoting for completion. */
+/* A function to strip unquoted quote characters (single quotes, double
+ quotes, and backslashes). It allows single quotes to appear
+ within double quotes, and vice versa. It should be smarter. */
+static char *
+bash_dequote_filename (text, quote_char)
+ char *text;
+ int quote_char;
+{
+ char *ret, *p, *r;
+ int l, quoted;
+
+ l = strlen (text);
+ ret = (char *)xmalloc (l + 1);
+ for (quoted = quote_char, p = text, r = ret; p && *p; p++)
+ {
+ /* Allow backslash-escaped characters to pass through unscathed. */
+ if (*p == '\\')
+ {
+ /* Backslashes are preserved within single quotes. */
+ if (quoted == '\'')
+ *r++ = *p;
+ /* Backslashes are preserved within double quotes unless the
+ character is one that is defined to be escaped */
+ else if (quoted == '"' && ((sh_syntaxtab[p[1]] & CBSDQUOTE) == 0))
+ *r++ = *p;
+
+ *r++ = *++p;
+ if (*p == '\0')
+ return ret; /* XXX - was break; */
+ continue;
+ }
+ /* Close quote. */
+ if (quoted && *p == quoted)
+ {
+ quoted = 0;
+ continue;
+ }
+ /* Open quote. */
+ if (quoted == 0 && (*p == '\'' || *p == '"'))
+ {
+ quoted = *p;
+ continue;
+ }
+ *r++ = *p;
+ }
+ *r = '\0';
+ return ret;
+}
+
+/* Quote characters that the readline completion code would treat as
+ word break characters with backslashes. Pass backslash-quoted
+ characters through without examination. */
+static char *
+quote_word_break_chars (text)
+ char *text;
+{
+ char *ret, *r, *s;
+ int l;
+
+ l = strlen (text);
+ ret = (char *)xmalloc ((2 * l) + 1);
+ for (s = text, r = ret; *s; s++)
+ {
+ /* Pass backslash-quoted characters through, including the backslash. */
+ if (*s == '\\')
+ {
+ *r++ = '\\';
+ *r++ = *++s;
+ if (*s == '\0')
+ break;
+ continue;
+ }
+ /* OK, we have an unquoted character. Check its presence in
+ rl_completer_word_break_characters. */
+ if (xstrchr (rl_completer_word_break_characters, *s))
+ *r++ = '\\';
+ /* XXX -- check for standalone tildes here and backslash-quote them */
+ if (s == text && *s == '~' && file_exists (text))
+ *r++ = '\\';
+ *r++ = *s;
+ }
+ *r = '\0';
+ return ret;
+}
+
+/* Quote a filename using double quotes, single quotes, or backslashes
+ depending on the value of completion_quoting_style. If we're
+ completing using backslashes, we need to quote some additional
+ characters (those that readline treats as word breaks), so we call
+ quote_word_break_chars on the result. This returns newly-allocated
+ memory. */
+static char *
+bash_quote_filename (s, rtype, qcp)
+ char *s;
+ int rtype;
+ char *qcp;
+{
+ char *rtext, *mtext, *ret;
+ int rlen, cs;
+
+ rtext = (char *)NULL;
+
+ /* If RTYPE == MULT_MATCH, it means that there is
+ more than one match. In this case, we do not add
+ the closing quote or attempt to perform tilde
+ expansion. If RTYPE == SINGLE_MATCH, we try
+ to perform tilde expansion, because single and double
+ quotes inhibit tilde expansion by the shell. */
+
+ cs = completion_quoting_style;
+ /* Might need to modify the default completion style based on *qcp,
+ since it's set to any user-provided opening quote. We also change
+ to single-quoting if there is no user-provided opening quote and
+ the word being completed contains newlines, since those are not
+ quoted correctly using backslashes (a backslash-newline pair is
+ special to the shell parser). */
+ if (*qcp == '\0' && cs == COMPLETE_BSQUOTE && xstrchr (s, '\n'))
+ cs = COMPLETE_SQUOTE;
+ else if (*qcp == '"')
+ cs = COMPLETE_DQUOTE;
+ else if (*qcp == '\'')
+ cs = COMPLETE_SQUOTE;
+#if defined (BANG_HISTORY)
+ else if (*qcp == '\0' && history_expansion && cs == COMPLETE_DQUOTE &&
+ history_expansion_inhibited == 0 && xstrchr (s, '!'))
+ cs = COMPLETE_BSQUOTE;
+
+ if (*qcp == '"' && history_expansion && cs == COMPLETE_DQUOTE &&
+ history_expansion_inhibited == 0 && xstrchr (s, '!'))
+ {
+ cs = COMPLETE_BSQUOTE;
+ *qcp = '\0';
+ }
+#endif
+
+ /* Don't tilde-expand backslash-quoted filenames, since only single and
+ double quotes inhibit tilde expansion. */
+ mtext = s;
+ if (mtext[0] == '~' && rtype == SINGLE_MATCH && cs != COMPLETE_BSQUOTE)
+ mtext = bash_tilde_expand (s, 0);
+
+ switch (cs)
+ {
+ case COMPLETE_DQUOTE:
+ rtext = sh_double_quote (mtext);
+ break;
+ case COMPLETE_SQUOTE:
+ rtext = sh_single_quote (mtext);
+ break;
+ case COMPLETE_BSQUOTE:
+ rtext = sh_backslash_quote (mtext);
+ break;
+ }
+
+ if (mtext != s)
+ free (mtext);
+
+ /* We may need to quote additional characters: those that readline treats
+ as word breaks that are not quoted by backslash_quote. */
+ if (rtext && cs == COMPLETE_BSQUOTE)
+ {
+ mtext = quote_word_break_chars (rtext);
+ free (rtext);
+ rtext = mtext;
+ }
+
+ /* Leave the opening quote intact. The readline completion code takes
+ care of avoiding doubled opening quotes. */
+ rlen = strlen (rtext);
+ ret = (char *)xmalloc (rlen + 1);
+ strcpy (ret, rtext);
+
+ /* If there are multiple matches, cut off the closing quote. */
+ if (rtype == MULT_MATCH && cs != COMPLETE_BSQUOTE)
+ ret[rlen - 1] = '\0';
+ free (rtext);
+ return ret;
+}
+
+/* Support for binding readline key sequences to Unix commands. */
+static Keymap cmd_xmap;
+
+static int
+bash_execute_unix_command (count, key)
+ int count; /* ignored */
+ int key;
+{
+ Keymap ckmap; /* current keymap */
+ Keymap xkmap; /* unix command executing keymap */
+ register int i;
+ intmax_t mi;
+ int save_point;
+ sh_parser_state_t ps;
+ char *cmd, *value, *l;
+ SHELL_VAR *v;
+ char ibuf[INT_STRLEN_BOUND(int) + 1];
+
+ /* First, we need to find the right command to execute. This is tricky,
+ because we might have already indirected into another keymap. */
+ ckmap = rl_get_keymap ();
+ if (ckmap != rl_executing_keymap)
+ {
+ /* bogus. we have to search. only handle one level of indirection. */
+ for (i = 0; i < KEYMAP_SIZE; i++)
+ {
+ if (ckmap[i].type == ISKMAP && (Keymap)ckmap[i].function == rl_executing_keymap)
+ break;
+ }
+ if (i < KEYMAP_SIZE)
+ xkmap = (Keymap)cmd_xmap[i].function;
+ else
+ {
+ rl_crlf ();
+ internal_error (_("bash_execute_unix_command: cannot find keymap for command"));
+ rl_forced_update_display ();
+ return 1;
+ }
+ }
+ else
+ xkmap = cmd_xmap;
+
+ cmd = (char *)xkmap[key].function;
+
+ if (cmd == 0)
+ {
+ rl_ding ();
+ return 1;
+ }
+
+ rl_crlf (); /* move to a new line */
+
+ v = bind_variable ("READLINE_LINE", rl_line_buffer, 0);
+ if (v)
+ VSETATTR (v, att_exported);
+ l = value_cell (v);
+ save_point = rl_point;
+ value = inttostr (rl_point, ibuf, sizeof (ibuf));
+ v = bind_int_variable ("READLINE_POINT", value);
+ if (v)
+ VSETATTR (v, att_exported);
+ array_needs_making = 1;
+
+ save_parser_state (&ps);
+ parse_and_execute (cmd, "bash_execute_unix_command", SEVAL_NOHIST|SEVAL_NOFREE);
+ restore_parser_state (&ps);
+
+ v = find_variable ("READLINE_LINE");
+ if (value_cell (v) != l)
+ maybe_make_readline_line (value_cell (v));
+ v = find_variable ("READLINE_POINT");
+ if (v && legal_number (value_cell (v), &mi))
+ {
+ i = mi;
+ if (i != save_point)
+ {
+ rl_point = i;
+ if (rl_point > rl_end)
+ rl_point = rl_end;
+ else if (rl_point < 0)
+ rl_point = 0;
+ }
+ }
+
+ unbind_variable ("READLINE_LINE");
+ unbind_variable ("READLINE_POINT");
+ array_needs_making = 1;
+
+ /* and restore the readline buffer and display after command execution. */
+ rl_forced_update_display ();
+ return 0;
+}
+
+static void
+init_unix_command_map ()
+{
+ cmd_xmap = rl_make_bare_keymap ();
+}
+
+static int
+isolate_sequence (string, ind, need_dquote, startp)
+ char *string;
+ int ind, need_dquote, *startp;
+{
+ register int i;
+ int c, passc, delim;
+
+ for (i = ind; string[i] && whitespace (string[i]); i++)
+ ;
+ /* NEED_DQUOTE means that the first non-white character *must* be `"'. */
+ if (need_dquote && string[i] != '"')
+ {
+ builtin_error (_("%s: first non-whitespace character is not `\"'"), string);
+ return -1;
+ }
+
+ /* We can have delimited strings even if NEED_DQUOTE == 0, like the command
+ string to bind the key sequence to. */
+ delim = (string[i] == '"' || string[i] == '\'') ? string[i] : 0;
+
+ if (startp)
+ *startp = delim ? ++i : i;
+
+ for (passc = 0; c = string[i]; i++)
+ {
+ if (passc)
+ {
+ passc = 0;
+ continue;
+ }
+ if (c == '\\')
+ {
+ passc++;
+ continue;
+ }
+ if (c == delim)
+ break;
+ }
+
+ if (delim && string[i] != delim)
+ {
+ builtin_error (_("no closing `%c' in %s"), delim, string);
+ return -1;
+ }
+
+ return i;
+}
+
+int
+bind_keyseq_to_unix_command (line)
+ char *line;
+{
+ Keymap kmap;
+ char *kseq, *value;
+ int i, kstart;
+
+ if (cmd_xmap == 0)
+ init_unix_command_map ();
+
+ kmap = rl_get_keymap ();
+
+ /* We duplicate some of the work done by rl_parse_and_bind here, but
+ this code only has to handle `"keyseq": ["]command["]' and can
+ generate an error for anything else. */
+ i = isolate_sequence (line, 0, 1, &kstart);
+ if (i < 0)
+ return -1;
+
+ /* Create the key sequence string to pass to rl_generic_bind */
+ kseq = substring (line, kstart, i);
+
+ for ( ; line[i] && line[i] != ':'; i++)
+ ;
+ if (line[i] != ':')
+ {
+ builtin_error (_("%s: missing colon separator"), line);
+ return -1;
+ }
+
+ i = isolate_sequence (line, i + 1, 0, &kstart);
+ if (i < 0)
+ return -1;
+
+ /* Create the value string containing the command to execute. */
+ value = substring (line, kstart, i);
+
+ /* Save the command to execute and the key sequence in the CMD_XMAP */
+ rl_generic_bind (ISMACR, kseq, value, cmd_xmap);
+
+ /* and bind the key sequence in the current keymap to a function that
+ understands how to execute from CMD_XMAP */
+ rl_bind_keyseq_in_map (kseq, bash_execute_unix_command, kmap);
+
+ return 0;
+}
+
+/* Used by the programmable completion code. Complete TEXT as a filename,
+ but return only directories as matches. Dequotes the filename before
+ attempting to find matches. */
+char **
+bash_directory_completion_matches (text)
+ const char *text;
+{
+ char **m1;
+ char *dfn;
+ int qc;
+
+ qc = rl_dispatching ? rl_completion_quote_character : 0;
+ dfn = bash_dequote_filename ((char *)text, qc);
+ m1 = rl_completion_matches (dfn, rl_filename_completion_function);
+ free (dfn);
+
+ if (m1 == 0 || m1[0] == 0)
+ return m1;
+ /* We don't bother recomputing the lcd of the matches, because it will just
+ get thrown away by the programmable completion code and recomputed
+ later. */
+ (void)bash_ignore_filenames (m1);
+ return m1;
+}
+
+char *
+bash_dequote_text (text)
+ const char *text;
+{
+ char *dtxt;
+ int qc;
+
+ qc = (text[0] == '"' || text[0] == '\'') ? text[0] : 0;
+ dtxt = bash_dequote_filename ((char *)text, qc);
+ return (dtxt);
+}
+#endif /* READLINE */
# include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+# include <stdint.h>
+#endif
+
#endif /* _BASHTYPES_H_ */
--- /dev/null
+/* bashtypes.h -- Bash system types. */
+
+/* Copyright (C) 1993-2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#if !defined (_BASHTYPES_H_)
+# define _BASHTYPES_H_
+
+#if defined (CRAY)
+# define word __word
+#endif
+
+#include <sys/types.h>
+
+#if defined (CRAY)
+# undef word
+#endif
+
+#if defined (HAVE_INTTYPES_H)
+# include <inttypes.h>
+#endif
+
+#endif /* _BASHTYPES_H_ */
match = STREQN (p->command, name, cl);
}
else if (flags & JM_SUBSTRING)
- match = strindex (p->command, name) != (char *)0;
+ match = strcasestr (p->command, name) != (char *)0;
else
match = STREQN (p->command, name, wl);
--- /dev/null
+/* common.c - utility functions for all builtins */
+
+/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#if defined (HAVE_UNISTD_H)
+# ifdef _MINIX
+# include <sys/types.h>
+# endif
+# include <unistd.h>
+#endif
+
+#include <stdio.h>
+#include <chartypes.h>
+#include "../bashtypes.h"
+#include "posixstat.h"
+#include <signal.h>
+
+#include <errno.h>
+
+#if defined (PREFER_STDARG)
+# include <stdarg.h>
+#else
+# include <varargs.h>
+#endif
+
+#include "../bashansi.h"
+#include "../bashintl.h"
+
+#define NEED_FPURGE_DECL
+
+#include "../shell.h"
+#include "maxpath.h"
+#include "../flags.h"
+#include "../jobs.h"
+#include "../builtins.h"
+#include "../input.h"
+#include "../execute_cmd.h"
+#include "../trap.h"
+#include "bashgetopt.h"
+#include "common.h"
+#include "builtext.h"
+#include <tilde/tilde.h>
+
+#if defined (HISTORY)
+# include "../bashhist.h"
+#endif
+
+#if !defined (errno)
+extern int errno;
+#endif /* !errno */
+
+extern int indirection_level, subshell_environment;
+extern int line_number;
+extern int last_command_exit_value;
+extern int running_trap;
+extern int posixly_correct;
+extern char *this_command_name, *shell_name;
+extern const char * const bash_getcwd_errstr;
+
+/* Used by some builtins and the mainline code. */
+sh_builtin_func_t *last_shell_builtin = (sh_builtin_func_t *)NULL;
+sh_builtin_func_t *this_shell_builtin = (sh_builtin_func_t *)NULL;
+
+/* **************************************************************** */
+/* */
+/* Error reporting, usage, and option processing */
+/* */
+/* **************************************************************** */
+
+/* This is a lot like report_error (), but it is for shell builtins
+ instead of shell control structures, and it won't ever exit the
+ shell. */
+
+static void
+builtin_error_prolog ()
+{
+ char *name;
+
+ name = get_name_for_error ();
+ fprintf (stderr, "%s: ", name);
+
+ if (interactive_shell == 0)
+ fprintf (stderr, _("line %d: "), executing_line_number ());
+
+ if (this_command_name && *this_command_name)
+ fprintf (stderr, "%s: ", this_command_name);
+}
+
+void
+#if defined (PREFER_STDARG)
+builtin_error (const char *format, ...)
+#else
+builtin_error (format, va_alist)
+ const char *format;
+ va_dcl
+#endif
+{
+ va_list args;
+
+ builtin_error_prolog ();
+
+ SH_VA_START (args, format);
+
+ vfprintf (stderr, format, args);
+ va_end (args);
+ fprintf (stderr, "\n");
+}
+
+void
+#if defined (PREFER_STDARG)
+builtin_warning (const char *format, ...)
+#else
+builtin_warning (format, va_alist)
+ const char *format;
+ va_dcl
+#endif
+{
+ va_list args;
+
+ builtin_error_prolog ();
+ fprintf (stderr, _("warning: "));
+
+ SH_VA_START (args, format);
+
+ vfprintf (stderr, format, args);
+ va_end (args);
+ fprintf (stderr, "\n");
+}
+
+/* Print a usage summary for the currently-executing builtin command. */
+void
+builtin_usage ()
+{
+ if (this_command_name && *this_command_name)
+ fprintf (stderr, _("%s: usage: "), this_command_name);
+ fprintf (stderr, "%s\n", current_builtin->short_doc);
+ fflush (stderr);
+}
+
+/* Return if LIST is NULL else barf and jump to top_level. Used by some
+ builtins that do not accept arguments. */
+void
+no_args (list)
+ WORD_LIST *list;
+{
+ if (list)
+ {
+ builtin_error (_("too many arguments"));
+ top_level_cleanup ();
+ jump_to_top_level (DISCARD);
+ }
+}
+
+/* Check that no options were given to the currently-executing builtin,
+ and return 0 if there were options. */
+int
+no_options (list)
+ WORD_LIST *list;
+{
+ reset_internal_getopt ();
+ if (internal_getopt (list, "") != -1)
+ {
+ builtin_usage ();
+ return (1);
+ }
+ return (0);
+}
+
+void
+sh_needarg (s)
+ char *s;
+{
+ builtin_error (_("%s: option requires an argument"), s);
+}
+
+void
+sh_neednumarg (s)
+ char *s;
+{
+ builtin_error (_("%s: numeric argument required"), s);
+}
+
+void
+sh_notfound (s)
+ char *s;
+{
+ builtin_error (_("%s: not found"), s);
+}
+
+/* Function called when one of the builtin commands detects an invalid
+ option. */
+void
+sh_invalidopt (s)
+ char *s;
+{
+ builtin_error (_("%s: invalid option"), s);
+}
+
+void
+sh_invalidoptname (s)
+ char *s;
+{
+ builtin_error (_("%s: invalid option name"), s);
+}
+
+void
+sh_invalidid (s)
+ char *s;
+{
+ builtin_error (_("`%s': not a valid identifier"), s);
+}
+
+void
+sh_invalidnum (s)
+ char *s;
+{
+ char *msg;
+
+ if (*s == '0' && isdigit (s[1]))
+ msg = _("invalid octal number");
+ else if (*s == '0' && s[1] == 'x')
+ msg = _("invalid hex number");
+ else
+ msg = _("invalid number");
+ builtin_error ("%s: %s", s, msg);
+}
+
+void
+sh_invalidsig (s)
+ char *s;
+{
+ builtin_error (_("%s: invalid signal specification"), s);
+}
+
+void
+sh_badpid (s)
+ char *s;
+{
+ builtin_error (_("`%s': not a pid or valid job spec"), s);
+}
+
+void
+sh_readonly (s)
+ const char *s;
+{
+ builtin_error (_("%s: readonly variable"), s);
+}
+
+void
+sh_erange (s, desc)
+ char *s, *desc;
+{
+ if (s)
+ builtin_error (_("%s: %s out of range"), s, desc ? desc : _("argument"));
+ else
+ builtin_error (_("%s out of range"), desc ? desc : _("argument"));
+}
+
+#if defined (JOB_CONTROL)
+void
+sh_badjob (s)
+ char *s;
+{
+ builtin_error (_("%s: no such job"), s);
+}
+
+void
+sh_nojobs (s)
+ char *s;
+{
+ if (s)
+ builtin_error (_("%s: no job control"), s);
+ else
+ builtin_error (_("no job control"));
+}
+#endif
+
+#if defined (RESTRICTED_SHELL)
+void
+sh_restricted (s)
+ char *s;
+{
+ if (s)
+ builtin_error (_("%s: restricted"), s);
+ else
+ builtin_error (_("restricted"));
+}
+#endif
+
+void
+sh_notbuiltin (s)
+ char *s;
+{
+ builtin_error (_("%s: not a shell builtin"), s);
+}
+
+void
+sh_wrerror ()
+{
+#if defined (DONT_REPORT_BROKEN_PIPE_WRITE_ERRORS) && defined (EPIPE)
+ if (errno != EPIPE)
+#endif /* DONT_REPORT_BROKEN_PIPE_WRITE_ERRORS && EPIPE */
+ builtin_error (_("write error: %s"), strerror (errno));
+}
+
+void
+sh_ttyerror (set)
+ int set;
+{
+ if (set)
+ builtin_error (_("error setting terminal attributes: %s"), strerror (errno));
+ else
+ builtin_error (_("error getting terminal attributes: %s"), strerror (errno));
+}
+
+int
+sh_chkwrite (s)
+ int s;
+{
+ fflush (stdout);
+ if (ferror (stdout))
+ {
+ sh_wrerror ();
+ fpurge (stdout);
+ clearerr (stdout);
+ return (EXECUTION_FAILURE);
+ }
+ return (s);
+}
+
+/* **************************************************************** */
+/* */
+/* Shell positional parameter manipulation */
+/* */
+/* **************************************************************** */
+
+/* Convert a WORD_LIST into a C-style argv. Return the number of elements
+ in the list in *IP, if IP is non-null. A convenience function for
+ loadable builtins; also used by `test'. */
+char **
+make_builtin_argv (list, ip)
+ WORD_LIST *list;
+ int *ip;
+{
+ char **argv;
+
+ argv = strvec_from_word_list (list, 0, 1, ip);
+ argv[0] = this_command_name;
+ return argv;
+}
+
+/* Remember LIST in $0 ... $9, and REST_OF_ARGS. If DESTRUCTIVE is
+ non-zero, then discard whatever the existing arguments are, else
+ only discard the ones that are to be replaced. */
+void
+remember_args (list, destructive)
+ WORD_LIST *list;
+ int destructive;
+{
+ register int i;
+
+ for (i = 1; i < 10; i++)
+ {
+ if ((destructive || list) && dollar_vars[i])
+ {
+ free (dollar_vars[i]);
+ dollar_vars[i] = (char *)NULL;
+ }
+
+ if (list)
+ {
+ dollar_vars[i] = savestring (list->word->word);
+ list = list->next;
+ }
+ }
+
+ /* If arguments remain, assign them to REST_OF_ARGS.
+ Note that copy_word_list (NULL) returns NULL, and
+ that dispose_words (NULL) does nothing. */
+ if (destructive || list)
+ {
+ dispose_words (rest_of_args);
+ rest_of_args = copy_word_list (list);
+ }
+
+ if (destructive)
+ set_dollar_vars_changed ();
+}
+
+static int changed_dollar_vars;
+
+/* Have the dollar variables been reset to new values since we last
+ checked? */
+int
+dollar_vars_changed ()
+{
+ return (changed_dollar_vars);
+}
+
+void
+set_dollar_vars_unchanged ()
+{
+ changed_dollar_vars = 0;
+}
+
+void
+set_dollar_vars_changed ()
+{
+ if (variable_context)
+ changed_dollar_vars |= ARGS_FUNC;
+ else if (this_shell_builtin == set_builtin)
+ changed_dollar_vars |= ARGS_SETBLTIN;
+ else
+ changed_dollar_vars |= ARGS_INVOC;
+}
+
+/* **************************************************************** */
+/* */
+/* Validating numeric input and arguments */
+/* */
+/* **************************************************************** */
+
+/* Read a numeric arg for this_command_name, the name of the shell builtin
+ that wants it. LIST is the word list that the arg is to come from.
+ Accept only the numeric argument; report an error if other arguments
+ follow. If FATAL is 1, call throw_to_top_level, which exits the
+ shell; if it's 2, call jump_to_top_level (DISCARD), which aborts the
+ current command; if FATAL is 0, return an indication of an invalid
+ number by setting *NUMOK == 0 and return -1. */
+int
+get_numeric_arg (list, fatal, count)
+ WORD_LIST *list;
+ int fatal;
+ intmax_t *count;
+{
+ char *arg;
+
+ if (count)
+ *count = 1;
+
+ if (list && list->word && ISOPTION (list->word->word, '-'))
+ list = list->next;
+
+ if (list)
+ {
+ arg = list->word->word;
+ if (arg == 0 || (legal_number (arg, count) == 0))
+ {
+ sh_neednumarg (list->word->word ? list->word->word : "`'");
+ if (fatal == 0)
+ return 0;
+ else if (fatal == 1) /* fatal == 1; abort */
+ throw_to_top_level ();
+ else /* fatal == 2; discard current command */
+ {
+ top_level_cleanup ();
+ jump_to_top_level (DISCARD);
+ }
+ }
+ no_args (list->next);
+ }
+
+ return (1);
+}
+
+/* Get an eight-bit status value from LIST */
+int
+get_exitstat (list)
+ WORD_LIST *list;
+{
+ int status;
+ intmax_t sval;
+ char *arg;
+
+ if (list && list->word && ISOPTION (list->word->word, '-'))
+ list = list->next;
+
+ if (list == 0)
+ return (last_command_exit_value);
+
+ arg = list->word->word;
+ if (arg == 0 || legal_number (arg, &sval) == 0)
+ {
+ sh_neednumarg (list->word->word ? list->word->word : "`'");
+ return 255;
+ }
+ no_args (list->next);
+
+ status = sval & 255;
+ return status;
+}
+
+/* Return the octal number parsed from STRING, or -1 to indicate
+ that the string contained a bad number. */
+int
+read_octal (string)
+ char *string;
+{
+ int result, digits;
+
+ result = digits = 0;
+ while (*string && ISOCTAL (*string))
+ {
+ digits++;
+ result = (result * 8) + (*string++ - '0');
+ if (result > 0777)
+ return -1;
+ }
+
+ if (digits == 0 || *string)
+ result = -1;
+
+ return (result);
+}
+
+/* **************************************************************** */
+/* */
+/* Manipulating the current working directory */
+/* */
+/* **************************************************************** */
+
+/* Return a consed string which is the current working directory.
+ FOR_WHOM is the name of the caller for error printing. */
+char *the_current_working_directory = (char *)NULL;
+
+char *
+get_working_directory (for_whom)
+ char *for_whom;
+{
+ if (no_symbolic_links)
+ {
+ FREE (the_current_working_directory);
+ the_current_working_directory = (char *)NULL;
+ }
+
+ if (the_current_working_directory == 0)
+ {
+#if defined (GETCWD_BROKEN)
+ the_current_working_directory = getcwd (0, PATH_MAX);
+#else
+ the_current_working_directory = getcwd (0, 0);
+#endif
+ if (the_current_working_directory == 0)
+ {
+ fprintf (stderr, _("%s: error retrieving current directory: %s: %s\n"),
+ (for_whom && *for_whom) ? for_whom : get_name_for_error (),
+ _(bash_getcwd_errstr), strerror (errno));
+ return (char *)NULL;
+ }
+ }
+
+ return (savestring (the_current_working_directory));
+}
+
+/* Make NAME our internal idea of the current working directory. */
+void
+set_working_directory (name)
+ char *name;
+{
+ FREE (the_current_working_directory);
+ the_current_working_directory = savestring (name);
+}
+
+/* **************************************************************** */
+/* */
+/* Job control support functions */
+/* */
+/* **************************************************************** */
+
+#if defined (JOB_CONTROL)
+int
+get_job_by_name (name, flags)
+ const char *name;
+ int flags;
+{
+ register int i, wl, cl, match, job;
+ register PROCESS *p;
+ register JOB *j;
+
+ job = NO_JOB;
+ wl = strlen (name);
+ for (i = js.j_jobslots - 1; i >= 0; i--)
+ {
+ j = get_job_by_jid (i);
+ if (j == 0 || ((flags & JM_STOPPED) && J_JOBSTATE(j) != JSTOPPED))
+ continue;
+
+ p = j->pipe;
+ do
+ {
+ if (flags & JM_EXACT)
+ {
+ cl = strlen (p->command);
+ match = STREQN (p->command, name, cl);
+ }
+ else if (flags & JM_SUBSTRING)
+ match = strindex (p->command, name) != (char *)0;
+ else
+ match = STREQN (p->command, name, wl);
+
+ if (match == 0)
+ {
+ p = p->next;
+ continue;
+ }
+ else if (flags & JM_FIRSTMATCH)
+ return i; /* return first match */
+ else if (job != NO_JOB)
+ {
+ if (this_shell_builtin)
+ builtin_error (_("%s: ambiguous job spec"), name);
+ else
+ report_error (_("%s: ambiguous job spec"), name);
+ return (DUP_JOB);
+ }
+ else
+ job = i;
+ }
+ while (p != j->pipe);
+ }
+
+ return (job);
+}
+
+/* Return the job spec found in LIST. */
+int
+get_job_spec (list)
+ WORD_LIST *list;
+{
+ register char *word;
+ int job, jflags;
+
+ if (list == 0)
+ return (js.j_current);
+
+ word = list->word->word;
+
+ if (*word == '\0')
+ return (NO_JOB);
+
+ if (*word == '%')
+ word++;
+
+ if (DIGIT (*word) && all_digits (word))
+ {
+ job = atoi (word);
+ return (job > js.j_jobslots ? NO_JOB : job - 1);
+ }
+
+ jflags = 0;
+ switch (*word)
+ {
+ case 0:
+ case '%':
+ case '+':
+ return (js.j_current);
+
+ case '-':
+ return (js.j_previous);
+
+ case '?': /* Substring search requested. */
+ jflags |= JM_SUBSTRING;
+ word++;
+ /* FALLTHROUGH */
+
+ default:
+ return get_job_by_name (word, jflags);
+ }
+}
+#endif /* JOB_CONTROL */
+
+/*
+ * NOTE: `kill' calls this function with forcecols == 0
+ */
+int
+display_signal_list (list, forcecols)
+ WORD_LIST *list;
+ int forcecols;
+{
+ register int i, column;
+ char *name;
+ int result, signum, dflags;
+ intmax_t lsignum;
+
+ result = EXECUTION_SUCCESS;
+ if (!list)
+ {
+ for (i = 1, column = 0; i < NSIG; i++)
+ {
+ name = signal_name (i);
+ if (STREQN (name, "SIGJUNK", 7) || STREQN (name, "Unknown", 7))
+ continue;
+
+ if (posixly_correct && !forcecols)
+ {
+ /* This is for the kill builtin. POSIX.2 says the signal names
+ are displayed without the `SIG' prefix. */
+ if (STREQN (name, "SIG", 3))
+ name += 3;
+ printf ("%s%s", name, (i == NSIG - 1) ? "" : " ");
+ }
+ else
+ {
+ printf ("%2d) %s", i, name);
+
+ if (++column < 5)
+ printf ("\t");
+ else
+ {
+ printf ("\n");
+ column = 0;
+ }
+ }
+ }
+
+ if ((posixly_correct && !forcecols) || column != 0)
+ printf ("\n");
+ return result;
+ }
+
+ /* List individual signal names or numbers. */
+ while (list)
+ {
+ if (legal_number (list->word->word, &lsignum))
+ {
+ /* This is specified by Posix.2 so that exit statuses can be
+ mapped into signal numbers. */
+ if (lsignum > 128)
+ lsignum -= 128;
+ if (lsignum < 0 || lsignum >= NSIG)
+ {
+ sh_invalidsig (list->word->word);
+ result = EXECUTION_FAILURE;
+ list = list->next;
+ continue;
+ }
+
+ signum = lsignum;
+ name = signal_name (signum);
+ if (STREQN (name, "SIGJUNK", 7) || STREQN (name, "Unknown", 7))
+ {
+ list = list->next;
+ continue;
+ }
+#if defined (JOB_CONTROL)
+ /* POSIX.2 says that `kill -l signum' prints the signal name without
+ the `SIG' prefix. */
+ printf ("%s\n", (this_shell_builtin == kill_builtin) ? name + 3 : name);
+#else
+ printf ("%s\n", name);
+#endif
+ }
+ else
+ {
+ dflags = DSIG_NOCASE;
+ if (posixly_correct == 0 || this_shell_builtin != kill_builtin)
+ dflags |= DSIG_SIGPREFIX;
+ signum = decode_signal (list->word->word, dflags);
+ if (signum == NO_SIG)
+ {
+ sh_invalidsig (list->word->word);
+ result = EXECUTION_FAILURE;
+ list = list->next;
+ continue;
+ }
+ printf ("%d\n", signum);
+ }
+ list = list->next;
+ }
+ return (result);
+}
+
+/* **************************************************************** */
+/* */
+/* Finding builtin commands and their functions */
+/* */
+/* **************************************************************** */
+
+/* Perform a binary search and return the address of the builtin function
+ whose name is NAME. If the function couldn't be found, or the builtin
+ is disabled or has no function associated with it, return NULL.
+ Return the address of the builtin.
+ DISABLED_OKAY means find it even if the builtin is disabled. */
+struct builtin *
+builtin_address_internal (name, disabled_okay)
+ char *name;
+ int disabled_okay;
+{
+ int hi, lo, mid, j;
+
+ hi = num_shell_builtins - 1;
+ lo = 0;
+
+ while (lo <= hi)
+ {
+ mid = (lo + hi) / 2;
+
+ j = shell_builtins[mid].name[0] - name[0];
+
+ if (j == 0)
+ j = strcmp (shell_builtins[mid].name, name);
+
+ if (j == 0)
+ {
+ /* It must have a function pointer. It must be enabled, or we
+ must have explicitly allowed disabled functions to be found,
+ and it must not have been deleted. */
+ if (shell_builtins[mid].function &&
+ ((shell_builtins[mid].flags & BUILTIN_DELETED) == 0) &&
+ ((shell_builtins[mid].flags & BUILTIN_ENABLED) || disabled_okay))
+ return (&shell_builtins[mid]);
+ else
+ return ((struct builtin *)NULL);
+ }
+ if (j > 0)
+ hi = mid - 1;
+ else
+ lo = mid + 1;
+ }
+ return ((struct builtin *)NULL);
+}
+
+/* Return the pointer to the function implementing builtin command NAME. */
+sh_builtin_func_t *
+find_shell_builtin (name)
+ char *name;
+{
+ current_builtin = builtin_address_internal (name, 0);
+ return (current_builtin ? current_builtin->function : (sh_builtin_func_t *)NULL);
+}
+
+/* Return the address of builtin with NAME, whether it is enabled or not. */
+sh_builtin_func_t *
+builtin_address (name)
+ char *name;
+{
+ current_builtin = builtin_address_internal (name, 1);
+ return (current_builtin ? current_builtin->function : (sh_builtin_func_t *)NULL);
+}
+
+/* Return the function implementing the builtin NAME, but only if it is a
+ POSIX.2 special builtin. */
+sh_builtin_func_t *
+find_special_builtin (name)
+ char *name;
+{
+ current_builtin = builtin_address_internal (name, 0);
+ return ((current_builtin && (current_builtin->flags & SPECIAL_BUILTIN)) ?
+ current_builtin->function :
+ (sh_builtin_func_t *)NULL);
+}
+
+static int
+shell_builtin_compare (sbp1, sbp2)
+ struct builtin *sbp1, *sbp2;
+{
+ int result;
+
+ if ((result = sbp1->name[0] - sbp2->name[0]) == 0)
+ result = strcmp (sbp1->name, sbp2->name);
+
+ return (result);
+}
+
+/* Sort the table of shell builtins so that the binary search will work
+ in find_shell_builtin. */
+void
+initialize_shell_builtins ()
+{
+ qsort (shell_builtins, num_shell_builtins, sizeof (struct builtin),
+ (QSFUNC *)shell_builtin_compare);
+}
/* Define if you have the mbrtowc function. */
#undef HAVE_MBRTOWC
+/* Define if you have the mbscasecmp function. */
+#undef HAVE_MBSCASECMP
+
+/* Define if you have the mbschr function. */
+#undef HAVE_MBSCHR
+
/* Define if you have the mbscmp function. */
#undef HAVE_MBSCMP
/* Define if you have the strcasecmp function. */
#undef HAVE_STRCASECMP
+/* Define if you have the strcasestr function. */
+#undef HAVE_STRCASESTR
+
/* Define if you have the strchr function. */
#undef HAVE_STRCHR
--- /dev/null
+/* config.h -- Configuration file for bash. */
+
+/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _CONFIG_H_
+#define _CONFIG_H_
+
+/* Configuration feature settings controllable by autoconf. */
+
+/* Define JOB_CONTROL if your operating system supports
+ BSD-like job control. */
+#undef JOB_CONTROL
+
+/* Define ALIAS if you want the alias features. */
+#undef ALIAS
+
+/* Define PUSHD_AND_POPD if you want those commands to be compiled in.
+ (Also the `dirs' commands.) */
+#undef PUSHD_AND_POPD
+
+/* Define BRACE_EXPANSION if you want curly brace expansion a la Csh:
+ foo{a,b} -> fooa foob. Even if this is compiled in (the default) you
+ can turn it off at shell startup with `-nobraceexpansion', or during
+ shell execution with `set +o braceexpand'. */
+#undef BRACE_EXPANSION
+
+/* Define READLINE to get the nifty/glitzy editing features.
+ This is on by default. You can turn it off interactively
+ with the -nolineediting flag. */
+#undef READLINE
+
+/* Define BANG_HISTORY if you want to have Csh style "!" history expansion.
+ This is unrelated to READLINE. */
+#undef BANG_HISTORY
+
+/* Define HISTORY if you want to have access to previously typed commands.
+
+ If both HISTORY and READLINE are defined, you can get at the commands
+ with line editing commands, and you can directly manipulate the history
+ from the command line.
+
+ If only HISTORY is defined, the `fc' and `history' builtins are
+ available. */
+#undef HISTORY
+
+/* Define this if you want completion that puts all alternatives into
+ a brace expansion shell expression. */
+#if defined (BRACE_EXPANSION) && defined (READLINE)
+# define BRACE_COMPLETION
+#endif /* BRACE_EXPANSION */
+
+/* Define DEFAULT_ECHO_TO_XPG if you want the echo builtin to interpret
+ the backslash-escape characters by default, like the XPG Single Unix
+ Specification V2 for echo.
+ This requires that V9_ECHO be defined. */
+#undef DEFAULT_ECHO_TO_XPG
+
+/* Define HELP_BUILTIN if you want the `help' shell builtin and the long
+ documentation strings compiled into the shell. */
+#undef HELP_BUILTIN
+
+/* Define RESTRICTED_SHELL if you want the generated shell to have the
+ ability to be a restricted one. The shell thus generated can become
+ restricted by being run with the name "rbash", or by setting the -r
+ flag. */
+#undef RESTRICTED_SHELL
+
+/* Define DISABLED_BUILTINS if you want "builtin foo" to always run the
+ shell builtin "foo", even if it has been disabled with "enable -n foo". */
+#undef DISABLED_BUILTINS
+
+/* Define PROCESS_SUBSTITUTION if you want the K*rn shell-like process
+ substitution features "<(file)". */
+/* Right now, you cannot do this on machines without fully operational
+ FIFO support. This currently include NeXT and Alliant. */
+#undef PROCESS_SUBSTITUTION
+
+/* Define PROMPT_STRING_DECODE if you want the backslash-escaped special
+ characters in PS1 and PS2 expanded. Variable expansion will still be
+ performed. */
+#undef PROMPT_STRING_DECODE
+
+/* Define SELECT_COMMAND if you want the Korn-shell style `select' command:
+ select word in word_list; do command_list; done */
+#undef SELECT_COMMAND
+
+/* Define COMMAND_TIMING of you want the ksh-style `time' reserved word and
+ the ability to time pipelines, functions, and builtins. */
+#undef COMMAND_TIMING
+
+/* Define ARRAY_VARS if you want ksh-style one-dimensional array variables. */
+#undef ARRAY_VARS
+
+/* Define DPAREN_ARITHMETIC if you want the ksh-style ((...)) arithmetic
+ evaluation command. */
+#undef DPAREN_ARITHMETIC
+
+/* Define EXTENDED_GLOB if you want the ksh-style [*+@?!](patlist) extended
+ pattern matching. */
+#undef EXTENDED_GLOB
+
+/* Define COND_COMMAND if you want the ksh-style [[...]] conditional
+ command. */
+#undef COND_COMMAND
+
+/* Define COND_REGEXP if you want extended regular expression matching and the
+ =~ binary operator in the [[...]] conditional command. */
+#define COND_REGEXP
+
+/* Define COPROCESS_SUPPORT if you want support for ksh-like coprocesses and
+ the `coproc' reserved word */
+#define COPROCESS_SUPPORT
+
+/* Define ARITH_FOR_COMMAND if you want the ksh93-style
+ for (( init; test; step )) do list; done
+ arithmetic for command. */
+#undef ARITH_FOR_COMMAND
+
+/* Define NETWORK_REDIRECTIONS if you want /dev/(tcp|udp)/host/port to open
+ socket connections when used in redirections */
+#undef NETWORK_REDIRECTIONS
+
+/* Define PROGRAMMABLE_COMPLETION for the programmable completion features
+ and the complete builtin. */
+#undef PROGRAMMABLE_COMPLETION
+
+/* Define NO_MULTIBYTE_SUPPORT to not compile in support for multibyte
+ characters, even if the OS supports them. */
+#undef NO_MULTIBYTE_SUPPORT
+
+/* Define DEBUGGER if you want to compile in some features used only by the
+ bash debugger. */
+#undef DEBUGGER
+
+/* Define STRICT_POSIX if you want bash to be strictly posix.2 conformant by
+ default (except for echo; that is controlled separately). */
+#undef STRICT_POSIX
+
+/* Define MEMSCRAMBLE if you want the bash malloc and free to scramble
+ memory contents on malloc() and free(). */
+#undef MEMSCRAMBLE
+
+/* Define AFS if you are using Transarc's AFS. */
+#undef AFS
+
+/* Define for case-modifying variable attributes; variables modified on
+ assignment */
+#undef CASEMOD_ATTRS
+
+/* Define for case-modifying word expansions */
+#undef CASEMOD_EXPANSIONS
+
+#undef ENABLE_NLS
+
+/* End of configuration settings controllable by autoconf. */
+/* Other settable options appear in config-top.h. */
+
+#include "config-top.h"
+
+/* Beginning of autoconf additions. */
+
+/* Characteristics of the C compiler */
+#undef const
+
+#undef inline
+
+#undef restrict
+
+#undef volatile
+
+/* Define if cpp supports the ANSI-C stringizing `#' operator */
+#undef HAVE_STRINGIZE
+
+/* Define if the compiler supports `long double' variables. */
+#undef HAVE_LONG_DOUBLE
+
+#undef PROTOTYPES
+
+#undef __CHAR_UNSIGNED__
+
+/* Define if the compiler supports `long long' variables. */
+#undef HAVE_LONG_LONG
+
+#undef HAVE_UNSIGNED_LONG_LONG
+
+/* The number of bytes in a int. */
+#undef SIZEOF_INT
+
+/* The number of bytes in a long. */
+#undef SIZEOF_LONG
+
+/* The number of bytes in a pointer to char. */
+#undef SIZEOF_CHAR_P
+
+/* The number of bytes in a double (hopefully 8). */
+#undef SIZEOF_DOUBLE
+
+/* The number of bytes in a `long long', if we have one. */
+#undef SIZEOF_LONG_LONG
+
+/* System paths */
+
+#define DEFAULT_MAIL_DIRECTORY "/usr/spool/mail"
+
+/* Characteristics of the system's header files and libraries that affect
+ the compilation environment. */
+
+/* Define if the system does not provide POSIX.1 features except
+ with this defined. */
+#undef _POSIX_1_SOURCE
+
+/* Define if you need to in order for stat and other things to work. */
+#undef _POSIX_SOURCE
+
+/* Define to use GNU libc extensions */
+#undef _GNU_SOURCE
+
+/* Define if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Memory management functions. */
+
+/* Define if using the bash version of malloc in lib/malloc/malloc.c */
+#undef USING_BASH_MALLOC
+
+#undef DISABLE_MALLOC_WRAPPERS
+
+/* Define if using alloca.c. */
+#undef C_ALLOCA
+
+/* Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP systems.
+ This function is required for alloca.c support on those systems. */
+#undef CRAY_STACKSEG_END
+
+/* Define if you have alloca, as a function or macro. */
+#undef HAVE_ALLOCA
+
+/* Define if you have <alloca.h> and it should be used (not on Ultrix). */
+#undef HAVE_ALLOCA_H
+
+
+/* SYSTEM TYPES */
+
+/* Define to `long' if <sys/types.h> doesn't define. */
+#undef off_t
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef mode_t
+
+/* Define to `int' if <signal.h> doesn't define. */
+#undef sigset_t
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef pid_t
+
+/* Define to `short' if <sys/types.h> doesn't define. */
+#undef bits16_t
+
+/* Define to `unsigned short' if <sys/types.h> doesn't define. */
+#undef u_bits16_t
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef bits32_t
+
+/* Define to `unsigned int' if <sys/types.h> doesn't define. */
+#undef u_bits32_t
+
+/* Define to `double' if <sys/types.h> doesn't define. */
+#undef bits64_t
+
+/* Define to `unsigned int' if <sys/types.h> doesn't define. */
+#undef u_int
+
+/* Define to `unsigned long' if <sys/types.h> doesn't define. */
+#undef u_long
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef ptrdiff_t
+
+/* Define to `unsigned' if <sys/types.h> doesn't define. */
+#undef size_t
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef ssize_t
+
+/* Define to `long' if <stdint.h> doesn't define. */
+#undef intmax_t
+
+/* Define to `unsigned long' if <stdint.h> doesn't define. */
+#undef uintmax_t
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef uid_t
+
+/* Define to `long' if <sys/types.h> doesn't define. */
+#undef clock_t
+
+/* Define to `long' if <sys/types.h> doesn't define. */
+#undef time_t
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef gid_t
+
+/* Define to `unsigned int' if <sys/socket.h> doesn't define. */
+#undef socklen_t
+
+/* Define to `int' if <signal.h> doesn't define. */
+#undef sig_atomic_t
+
+#undef HAVE_MBSTATE_T
+
+/* Define if you have quad_t in <sys/types.h>. */
+#undef HAVE_QUAD_T
+
+/* Define if you have wchar_t in <wctype.h>. */
+#undef HAVE_WCHAR_T
+
+/* Define if you have wctype_t in <wctype.h>. */
+#undef HAVE_WCTYPE_T
+
+/* Define if you have wint_t in <wctype.h>. */
+#undef HAVE_WINT_T
+
+#undef RLIMTYPE
+
+/* Define to the type of elements in the array set by `getgroups'.
+ Usually this is either `int' or `gid_t'. */
+#undef GETGROUPS_T
+
+/* Characteristics of the machine archictecture. */
+
+/* If using the C implementation of alloca, define if you know the
+ direction of stack growth for your system; otherwise it will be
+ automatically deduced at run-time.
+ STACK_DIRECTION > 0 => grows toward higher addresses
+ STACK_DIRECTION < 0 => grows toward lower addresses
+ STACK_DIRECTION = 0 => direction of growth unknown
+ */
+#undef STACK_DIRECTION
+
+/* Define if the machine architecture is big-endian. */
+#undef WORDS_BIGENDIAN
+
+/* Check for the presence of certain non-function symbols in the system
+ libraries. */
+
+/* Define if `sys_siglist' is declared by <signal.h> or <unistd.h>. */
+#undef HAVE_DECL_SYS_SIGLIST
+#undef SYS_SIGLIST_DECLARED
+
+/* Define if `_sys_siglist' is declared by <signal.h> or <unistd.h>. */
+#undef UNDER_SYS_SIGLIST_DECLARED
+
+#undef HAVE_SYS_SIGLIST
+
+#undef HAVE_UNDER_SYS_SIGLIST
+
+#undef HAVE_SYS_ERRLIST
+
+#undef HAVE_TZNAME
+#undef HAVE_DECL_TZNAME
+
+/* Characteristics of some of the system structures. */
+
+#undef HAVE_STRUCT_DIRENT_D_INO
+
+#undef HAVE_STRUCT_DIRENT_D_FILENO
+
+#undef HAVE_STRUCT_DIRENT_D_NAMLEN
+
+#undef TIOCSTAT_IN_SYS_IOCTL
+
+#undef FIONREAD_IN_SYS_IOCTL
+
+#undef GWINSZ_IN_SYS_IOCTL
+
+#undef STRUCT_WINSIZE_IN_SYS_IOCTL
+
+#undef TM_IN_SYS_TIME
+
+#undef STRUCT_WINSIZE_IN_TERMIOS
+
+#undef SPEED_T_IN_SYS_TYPES
+
+#undef TERMIOS_LDISC
+
+#undef TERMIO_LDISC
+
+#undef HAVE_STRUCT_STAT_ST_BLOCKS
+
+#undef HAVE_STRUCT_TM_TM_ZONE
+#undef HAVE_TM_ZONE
+
+#undef HAVE_TIMEVAL
+
+#undef HAVE_STRUCT_TIMEZONE
+
+/* Characteristics of definitions in the system header files. */
+
+#undef HAVE_GETPW_DECLS
+
+#undef HAVE_RESOURCE
+
+#undef HAVE_LIBC_FNM_EXTMATCH
+
+#undef HAVE_DECL_CONFSTR
+
+#undef HAVE_DECL_PRINTF
+
+#undef HAVE_DECL_SBRK
+
+#undef HAVE_DECL_STRCPY
+
+#undef HAVE_DECL_STRSIGNAL
+
+#undef HAVE_DECL_STRTOLD
+
+#undef PRI_MACROS_BROKEN
+
+#undef STRTOLD_BROKEN
+
+/* Define if WCONTINUED is defined in system headers, but rejected by waitpid */
+#undef WCONTINUED_BROKEN
+
+/* These are checked with BASH_CHECK_DECL */
+
+#undef HAVE_DECL_STRTOIMAX
+#undef HAVE_DECL_STRTOL
+#undef HAVE_DECL_STRTOLL
+#undef HAVE_DECL_STRTOUL
+#undef HAVE_DECL_STRTOULL
+#undef HAVE_DECL_STRTOUMAX
+
+/* Characteristics of system calls and C library functions. */
+
+/* Define if the `getpgrp' function takes no argument. */
+#undef GETPGRP_VOID
+
+#undef NAMED_PIPES_MISSING
+
+#undef OPENDIR_NOT_ROBUST
+
+#undef PGRP_PIPE
+
+/* Define if the setvbuf function takes the buffering type as its second
+ argument and the buffer pointer as the third, as on System V
+ before release 3. */
+#undef SETVBUF_REVERSED
+
+#undef STAT_MACROS_BROKEN
+
+#undef ULIMIT_MAXFDS
+
+#undef CAN_REDEFINE_GETENV
+
+#undef HAVE_STD_PUTENV
+
+#undef HAVE_STD_UNSETENV
+
+#undef HAVE_PRINTF_A_FORMAT
+
+#undef CTYPE_NON_ASCII
+
+/* Define if you have <langinfo.h> and nl_langinfo(CODESET). */
+#undef HAVE_LANGINFO_CODESET
+
+/* Characteristics of properties exported by the kernel. */
+
+/* Define if the kernel can exec files beginning with #! */
+#undef HAVE_HASH_BANG_EXEC
+
+/* Define if you have the /dev/fd devices to map open files into the file system. */
+#undef HAVE_DEV_FD
+
+/* Defined to /dev/fd or /proc/self/fd (linux). */
+#undef DEV_FD_PREFIX
+
+/* Define if you have the /dev/stdin device. */
+#undef HAVE_DEV_STDIN
+
+
+/* Type and behavior of signal handling functions. */
+
+/* Define as the return type of signal handlers (int or void). */
+#undef RETSIGTYPE
+
+/* Define if return type of signal handlers is void */
+#undef VOID_SIGHANDLER
+
+#undef MUST_REINSTALL_SIGHANDLERS
+
+#undef HAVE_BSD_SIGNALS
+
+#undef HAVE_POSIX_SIGNALS
+
+#undef HAVE_USG_SIGHOLD
+
+#undef UNUSABLE_RT_SIGNALS
+
+
+/* Presence of system and C library functions. */
+
+/* Define if you have the asprintf function. */
+#undef HAVE_ASPRINTF
+
+/* Define if you have the bcopy function. */
+#undef HAVE_BCOPY
+
+/* Define if you have the bzero function. */
+#undef HAVE_BZERO
+
+/* Define if you have the confstr function. */
+#undef HAVE_CONFSTR
+
+/* Define if you have the dlclose function. */
+#undef HAVE_DLCLOSE
+
+/* Define if you have the dlopen function. */
+#undef HAVE_DLOPEN
+
+/* Define if you have the dlsym function. */
+#undef HAVE_DLSYM
+
+/* Define if you don't have vprintf but do have _doprnt. */
+#undef HAVE_DOPRNT
+
+/* Define if you have the dup2 function. */
+#undef HAVE_DUP2
+
+/* Define if you have the eaccess function. */
+#undef HAVE_EACCESS
+
+/* Define if you have the fcntl function. */
+#undef HAVE_FCNTL
+
+/* Define if you have the fdprintf function. */
+#undef HAVE_FDPRINTF
+
+/* Define if you have the fpurge/__fpurge function. */
+#undef HAVE_FPURGE
+#undef HAVE___FPURGE
+#undef HAVE_DECL_FPURGE
+
+/* Define if you have the getaddrinfo function. */
+#undef HAVE_GETADDRINFO
+
+/* Define if you have the getcwd function. */
+#undef HAVE_GETCWD
+
+/* Define if you have the getdtablesize function. */
+#undef HAVE_GETDTABLESIZE
+
+/* Define if you have the getgroups function. */
+#undef HAVE_GETGROUPS
+
+/* Define if you have the gethostbyname function. */
+#undef HAVE_GETHOSTBYNAME
+
+/* Define if you have the gethostname function. */
+#undef HAVE_GETHOSTNAME
+
+/* Define if you have the getpagesize function. */
+#undef HAVE_GETPAGESIZE
+
+/* Define if you have the getpeername function. */
+#undef HAVE_GETPEERNAME
+
+/* Define if you have the getpwent function. */
+#undef HAVE_GETPWENT
+
+/* Define if you have the getpwnam function. */
+#undef HAVE_GETPWNAM
+
+/* Define if you have the getpwuid function. */
+#undef HAVE_GETPWUID
+
+/* Define if you have the getrlimit function. */
+#undef HAVE_GETRLIMIT
+
+/* Define if you have the getrusage function. */
+#undef HAVE_GETRUSAGE
+
+/* Define if you have the getservbyname function. */
+#undef HAVE_GETSERVBYNAME
+
+/* Define if you have the getservent function. */
+#undef HAVE_GETSERVENT
+
+/* Define if you have the gettimeofday function. */
+#undef HAVE_GETTIMEOFDAY
+
+/* Define if you have the getwd function. */
+#undef HAVE_GETWD
+
+/* Define if you have the inet_aton function. */
+#undef HAVE_INET_ATON
+
+/* Define if you have the isascii function. */
+#undef HAVE_ISASCII
+
+/* Define if you have the isblank function. */
+#undef HAVE_ISBLANK
+
+/* Define if you have the isgraph function. */
+#undef HAVE_ISGRAPH
+
+/* Define if you have the isinf function in libc */
+#undef HAVE_ISINF_IN_LIBC
+
+/* Define if you have the isnan function in libc */
+#undef HAVE_ISNAN_IN_LIBC
+
+/* Define if you have the isprint function. */
+#undef HAVE_ISPRINT
+
+/* Define if you have the isspace function. */
+#undef HAVE_ISSPACE
+
+/* Define if you have the iswctype function. */
+#undef HAVE_ISWCTYPE
+
+/* Define if you have the iswlower function. */
+#undef HAVE_ISWLOWER
+
+/* Define if you have the iswupper function. */
+#undef HAVE_ISWUPPER
+
+/* Define if you have the isxdigit function. */
+#undef HAVE_ISXDIGIT
+
+/* Define if you have the kill function. */
+#undef HAVE_KILL
+
+/* Define if you have the killpg function. */
+#undef HAVE_KILLPG
+
+/* Define if you have the lstat function. */
+#undef HAVE_LSTAT
+
+/* Define if you have the mbrlen function. */
+#undef HAVE_MBRLEN
+
+/* Define if you have the mbrtowc function. */
+#undef HAVE_MBRTOWC
+
+/* Define if you have the mbschr function. */
+#undef HAVE_MBSCHR
+
+/* Define if you have the mbscmp function. */
+#undef HAVE_MBSCMP
+
+/* Define if you have the mbsrtowcs function. */
+#undef HAVE_MBSRTOWCS
+
+/* Define if you have the memmove function. */
+#undef HAVE_MEMMOVE
+
+/* Define if you have the memset function. */
+#undef HAVE_MEMSET
+
+/* Define if you have the mkfifo function. */
+#undef HAVE_MKFIFO
+
+/* Define if you have the pathconf function. */
+#undef HAVE_PATHCONF
+
+/* Define if you have the putenv function. */
+#undef HAVE_PUTENV
+
+/* Define if you have the raise function. */
+#undef HAVE_RAISE
+
+/* Define if you have the readlink function. */
+#undef HAVE_READLINK
+
+/* Define if you have the regcomp function. */
+#undef HAVE_REGCOMP
+
+/* Define if you have the regexec function. */
+#undef HAVE_REGEXEC
+
+/* Define if you have the rename function. */
+#undef HAVE_RENAME
+
+/* Define if you have the sbrk function. */
+#undef HAVE_SBRK
+
+/* Define if you have the select function. */
+#undef HAVE_SELECT
+
+/* Define if you have the setdtablesize function. */
+#undef HAVE_SETDTABLESIZE
+
+/* Define if you have the setenv function. */
+#undef HAVE_SETENV
+
+/* Define if you have the setitimer function. */
+#undef HAVE_SETITIMER
+
+/* Define if you have the setlinebuf function. */
+#undef HAVE_SETLINEBUF
+
+/* Define if you have the setlocale function. */
+#undef HAVE_SETLOCALE
+
+/* Define if you have the setostype function. */
+#undef HAVE_SETOSTYPE
+
+/* Define if you have the setregid function. */
+#undef HAVE_SETREGID
+#undef HAVE_DECL_SETREGID
+
+/* Define if you have the setvbuf function. */
+#undef HAVE_SETVBUF
+
+/* Define if you have the siginterrupt function. */
+#undef HAVE_SIGINTERRUPT
+
+/* Define if you have the POSIX.1-style sigsetjmp function. */
+#undef HAVE_POSIX_SIGSETJMP
+
+/* Define if you have the snprintf function. */
+#undef HAVE_SNPRINTF
+
+/* Define if you have the strcasecmp function. */
+#undef HAVE_STRCASECMP
+
+/* Define if you have the strcasestr function. */
+#undef HAVE_STRCASESTR
+
+/* Define if you have the strchr function. */
+#undef HAVE_STRCHR
+
+/* Define if you have the strcoll function. */
+#undef HAVE_STRCOLL
+
+/* Define if you have the strerror function. */
+#undef HAVE_STRERROR
+
+/* Define if you have the strftime function. */
+#undef HAVE_STRFTIME
+
+/* Define if you have the strnlen function. */
+#undef HAVE_STRNLEN
+
+/* Define if you have the strpbrk function. */
+#undef HAVE_STRPBRK
+
+/* Define if you have the strstr function. */
+#undef HAVE_STRSTR
+
+/* Define if you have the strtod function. */
+#undef HAVE_STRTOD
+
+/* Define if you have the strtoimax function. */
+#undef HAVE_STRTOIMAX
+
+/* Define if you have the strtol function. */
+#undef HAVE_STRTOL
+
+/* Define if you have the strtoll function. */
+#undef HAVE_STRTOLL
+
+/* Define if you have the strtoul function. */
+#undef HAVE_STRTOUL
+
+/* Define if you have the strtoull function. */
+#undef HAVE_STRTOULL
+
+/* Define if you have the strtoumax function. */
+#undef HAVE_STRTOUMAX
+
+/* Define if you have the strsignal function or macro. */
+#undef HAVE_STRSIGNAL
+
+/* Define if you have the sysconf function. */
+#undef HAVE_SYSCONF
+
+/* Define if you have the tcgetattr function. */
+#undef HAVE_TCGETATTR
+
+/* Define if you have the tcgetpgrp function. */
+#undef HAVE_TCGETPGRP
+
+/* Define if you have the times function. */
+#undef HAVE_TIMES
+
+/* Define if you have the towlower function. */
+#undef HAVE_TOWLOWER
+
+/* Define if you have the towupper function. */
+#undef HAVE_TOWUPPER
+
+/* Define if you have the ttyname function. */
+#undef HAVE_TTYNAME
+
+/* Define if you have the tzset function. */
+#undef HAVE_TZSET
+
+/* Define if you have the ulimit function. */
+#undef HAVE_ULIMIT
+
+/* Define if you have the uname function. */
+#undef HAVE_UNAME
+
+/* Define if you have the unsetenv function. */
+#undef HAVE_UNSETENV
+
+/* Define if you have the vasprintf function. */
+#undef HAVE_VASPRINTF
+
+/* Define if you have the vprintf function. */
+#undef HAVE_VPRINTF
+
+/* Define if you have the vsnprintf function. */
+#undef HAVE_VSNPRINTF
+
+/* Define if you have the waitpid function. */
+#undef HAVE_WAITPID
+
+/* Define if you have the wait3 function. */
+#undef HAVE_WAIT3
+
+/* Define if you have the wcrtomb function. */
+#undef HAVE_WCRTOMB
+
+/* Define if you have the wcscoll function. */
+#undef HAVE_WCSCOLL
+
+/* Define if you have the wcsdup function. */
+#undef HAVE_WCSDUP
+
+/* Define if you have the wctype function. */
+#undef HAVE_WCTYPE
+
+/* Define if you have the wcwidth function. */
+#undef HAVE_WCWIDTH
+
+/* Presence of certain system include files. */
+
+/* Define if you have the <arpa/inet.h> header file. */
+#undef HAVE_ARPA_INET_H
+
+/* Define if you have the <dirent.h> header file. */
+#undef HAVE_DIRENT_H
+
+/* Define if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define if you have the <grp.h> header file. */
+#undef HAVE_GRP_H
+
+/* Define if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define if you have the <langinfo.h> header file. */
+#undef HAVE_LANGINFO_H
+
+/* Define if you have the <libintl.h> header file. */
+#undef HAVE_LIBINTL_H
+
+/* Define if you have the <limits.h> header file. */
+#undef HAVE_LIMITS_H
+
+/* Define if you have the <locale.h> header file. */
+#undef HAVE_LOCALE_H
+
+/* Define if you have the <ndir.h> header file. */
+#undef HAVE_NDIR_H
+
+/* Define if you have the <netdh.h> header file. */
+#undef HAVE_NETDB_H
+
+/* Define if you have the <netinet/in.h> header file. */
+#undef HAVE_NETINET_IN_H
+
+/* Define if you have the <pwd.h> header file. */
+#undef HAVE_PWD_H
+
+/* Define if you have the <regex.h> header file. */
+#undef HAVE_REGEX_H
+
+/* Define if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define if you have the <stdarg.h> header file. */
+#undef HAVE_STDARG_H
+
+/* Define if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define if you have the <stddef.h> header file. */
+#undef HAVE_STDDEF_H
+
+/* Define if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define if you have the <sys/dir.h> header file. */
+#undef HAVE_SYS_DIR_H
+
+/* Define if you have the <sys/file.h> header file. */
+#undef HAVE_SYS_FILE_H
+
+/* Define if you have the <sys/ndir.h> header file. */
+#undef HAVE_SYS_NDIR_H
+
+/* Define if you have the <sys/param.h> header file. */
+#undef HAVE_SYS_PARAM_H
+
+/* Define if you have the <sys/pte.h> header file. */
+#undef HAVE_SYS_PTE_H
+
+/* Define if you have the <sys/ptem.h> header file. */
+#undef HAVE_SYS_PTEM_H
+
+/* Define if you have the <sys/resource.h> header file. */
+#undef HAVE_SYS_RESOURCE_H
+
+/* Define if you have the <sys/select.h> header file. */
+#undef HAVE_SYS_SELECT_H
+
+/* Define if you have the <sys/socket.h> header file. */
+#undef HAVE_SYS_SOCKET_H
+
+/* Define if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define if you have the <sys/stream.h> header file. */
+#undef HAVE_SYS_STREAM_H
+
+/* Define if you have <sys/time.h> */
+#undef HAVE_SYS_TIME_H
+
+#undef TIME_WITH_SYS_TIME
+
+/* Define if you have <sys/times.h> */
+#undef HAVE_SYS_TIMES_H
+
+/* Define if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define if you have <sys/wait.h> that is POSIX.1 compatible. */
+#undef HAVE_SYS_WAIT_H
+
+/* Define if you have the <termcap.h> header file. */
+#undef HAVE_TERMCAP_H
+
+/* Define if you have the <termio.h> header file. */
+#undef HAVE_TERMIO_H
+
+/* Define if you have the <termios.h> header file. */
+#undef HAVE_TERMIOS_H
+
+/* Define if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define if you have the <varargs.h> header file. */
+#undef HAVE_VARARGS_H
+
+/* Define if you have the <wchar.h> header file. */
+#undef HAVE_WCHAR_H
+
+/* Define if you have the <varargs.h> header file. */
+#undef HAVE_WCTYPE_H
+
+/* Presence of certain system libraries. */
+
+#undef HAVE_LIBDL
+
+#undef HAVE_LIBSUN
+
+#undef HAVE_LIBSOCKET
+
+
+/* Define if on MINIX. */
+#undef _MINIX
+
+/* Are we running SVR5 (UnixWare 7)? */
+#undef SVR5
+
+/* Are we running SVR4.2? */
+#undef SVR4_2
+
+/* Are we running some version of SVR4? */
+#undef SVR4
+
+/* Define if job control is unusable or unsupported. */
+#undef JOB_CONTROL_MISSING
+
+/* Do we need to define _KERNEL to get the RLIMIT_* defines from
+ <sys/resource.h>? */
+#undef RLIMIT_NEEDS_KERNEL
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Define for large files on AIX-style hosts. */
+#undef _LARGE_FILES
+
+/* Do strcoll(3) and strcmp(3) give different results in the default locale? */
+#undef STRCOLL_BROKEN
+
+#undef DUP2_BROKEN
+
+#undef GETCWD_BROKEN
+
+/* Additional defines for configuring lib/intl, maintained by autoscan/autoheader */
+
+/* Define if you have the <argz.h> header file. */
+#undef HAVE_ARGZ_H
+
+/* Define if you have the <errno.h> header file. */
+#undef HAVE_ERRNO_H
+
+/* Define if you have the <fcntl.h> header file. */
+#undef HAVE_FCNTL_H
+
+/* Define if you have the <malloc.h> header file. */
+#undef HAVE_MALLOC_H
+
+/* Define if you have the <stdio_ext.h> header file. */
+#undef HAVE_STDIO_EXT_H
+
+/* Define if you have the `dcgettext' function. */
+#undef HAVE_DCGETTEXT
+
+/* Define if you have the `localeconv' function. */
+#undef HAVE_LOCALECONV
+
+/* Define if your system has a working `malloc' function. */
+/* #undef HAVE_MALLOC */
+
+/* Define if you have the `mempcpy' function. */
+#undef HAVE_MEMPCPY
+
+/* Define if you have a working `mmap' system call. */
+#undef HAVE_MMAP
+
+/* Define if you have the `munmap' function. */
+#undef HAVE_MUNMAP
+
+/* Define if you have the `nl_langinfo' function. */
+#undef HAVE_NL_LANGINFO
+
+/* Define if you have the `stpcpy' function. */
+#undef HAVE_STPCPY
+
+/* Define if you have the `strcspn' function. */
+#undef HAVE_STRCSPN
+
+/* Define if you have the `strdup' function. */
+#undef HAVE_STRDUP
+
+/* Define if you have the `__argz_count' function. */
+#undef HAVE___ARGZ_COUNT
+
+/* Define if you have the `__argz_next' function. */
+#undef HAVE___ARGZ_NEXT
+
+/* Define if you have the `__argz_stringify' function. */
+#undef HAVE___ARGZ_STRINGIFY
+
+/* End additions for lib/intl */
+
+#include "config-bot.h"
+
+#endif /* _CONFIG_H_ */
#! /bin/sh
# From configure.in for Bash 4.0, version 4.013.
# Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.63 for bash 4.0-maint.
+# Generated by GNU Autoconf 2.62 for bash 4.0-maint.
#
# Report bugs to <bug-bash@gnu.org>.
#
ac_header_list=
ac_func_list=
-ac_subst_vars='LTLIBOBJS
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-BASHVERS
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-PROFILE_FLAGS
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bash configure 4.0-maint
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Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
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running configure, to aid debugging if configure makes a mistake.
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- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define CRAY_STACKSEG_END $ac_func
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func__doprnt" >&5
$as_echo "$ac_cv_func__doprnt" >&6; }
-if test "x$ac_cv_func__doprnt" = x""yes; then
+if test $ac_cv_func__doprnt = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_DOPRNT 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func___setostype" >&5
$as_echo "$ac_cv_func___setostype" >&6; }
-if test "x$ac_cv_func___setostype" = x""yes; then
+if test $ac_cv_func___setostype = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_SETOSTYPE 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_wait3" >&5
$as_echo "$ac_cv_func_wait3" >&6; }
-if test "x$ac_cv_func_wait3" = x""yes; then
+if test $ac_cv_func_wait3 = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_WAIT3 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_isinf" >&5
$as_echo "$ac_cv_func_isinf" >&6; }
-if test "x$ac_cv_func_isinf" = x""yes; then
+if test $ac_cv_func_isinf = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_ISINF_IN_LIBC 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_isnan" >&5
$as_echo "$ac_cv_func_isnan" >&6; }
-if test "x$ac_cv_func_isnan" = x""yes; then
+if test $ac_cv_func_isnan = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_ISNAN_IN_LIBC 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_mkfifo" >&5
$as_echo "$ac_cv_func_mkfifo" >&6; }
-if test "x$ac_cv_func_mkfifo" = x""yes; then
+if test $ac_cv_func_mkfifo = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_MKFIFO 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
-for ac_func in bcopy bzero confstr fnmatch \
- getaddrinfo gethostbyname getservbyname getservent inet_aton \
- memmove pathconf putenv raise regcomp regexec \
- setenv setlinebuf setlocale setvbuf siginterrupt strchr \
- sysconf tcgetattr times ttyname tzset unsetenv
+for ac_func in bcopy bzero confstr fnmatch \
+ getaddrinfo gethostbyname getservbyname getservent inet_aton \
+ memmove pathconf putenv raise regcomp regexec \
+ setenv setlinebuf setlocale setvbuf siginterrupt strchr \
+ sysconf tcgetattr times ttyname tzset unsetenv
+do
+as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
+$as_echo_n "checking for $ac_func... " >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+ $as_echo_n "(cached) " >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char $ac_func (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext && {
+ test "$cross_compiling" = yes ||
+ $as_test_x conftest$ac_exeext
+ }; then
+ eval "$as_ac_var=yes"
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ eval "$as_ac_var=no"
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'`
+ { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
+
+
+
+
+for ac_func in vsnprintf snprintf vasprintf asprintf
do
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
-for ac_func in vsnprintf snprintf vasprintf asprintf
+
+for ac_func in isascii isblank isgraph isprint isspace isxdigit
do
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
-
-
-
-for ac_func in isascii isblank isgraph isprint isspace isxdigit
+for ac_func in getpwent getpwnam getpwuid
do
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
-
-for ac_func in getpwent getpwnam getpwuid
+for ac_func in getcwd memset
do
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
+else
+ case " $LIBOBJS " in
+ *" $ac_func.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS $ac_func.$ac_objext"
+ ;;
+esac
+
fi
done
-for ac_func in getcwd memset strcasecmp strerror strftime strnlen strpbrk strstr
+for ac_func in strcasecmp strcasestr strerror strftime strnlen strpbrk strstr
do
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_confstr" >&5
$as_echo "$ac_cv_have_decl_confstr" >&6; }
-if test "x$ac_cv_have_decl_confstr" = x""yes; then
+if test $ac_cv_have_decl_confstr = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_CONFSTR 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_printf" >&5
$as_echo "$ac_cv_have_decl_printf" >&6; }
-if test "x$ac_cv_have_decl_printf" = x""yes; then
+if test $ac_cv_have_decl_printf = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_PRINTF 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_sbrk" >&5
$as_echo "$ac_cv_have_decl_sbrk" >&6; }
-if test "x$ac_cv_have_decl_sbrk" = x""yes; then
+if test $ac_cv_have_decl_sbrk = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_SBRK 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_setregid" >&5
$as_echo "$ac_cv_have_decl_setregid" >&6; }
-if test "x$ac_cv_have_decl_setregid" = x""yes; then
+if test $ac_cv_have_decl_setregid = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_SETREGID 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_strcpy" >&5
$as_echo "$ac_cv_have_decl_strcpy" >&6; }
-if test "x$ac_cv_have_decl_strcpy" = x""yes; then
+if test $ac_cv_have_decl_strcpy = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_STRCPY 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_strsignal" >&5
$as_echo "$ac_cv_have_decl_strsignal" >&6; }
-if test "x$ac_cv_have_decl_strsignal" = x""yes; then
+if test $ac_cv_have_decl_strsignal = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_STRSIGNAL 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_strtold" >&5
$as_echo "$ac_cv_have_decl_strtold" >&6; }
-if test "x$ac_cv_have_decl_strtold" = x""yes; then
+if test $ac_cv_have_decl_strtold = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_STRTOLD 1
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
$as_echo "$ac_res" >&6; }
fi
-as_val=`eval 'as_val=${'$as_ac_Header'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_Header'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_mbrlen" >&5
$as_echo "$ac_cv_func_mbrlen" >&6; }
-if test "x$ac_cv_func_mbrlen" = x""yes; then
+if test $ac_cv_func_mbrlen = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_MBRLEN 1
_ACEOF
fi
+{ $as_echo "$as_me:$LINENO: checking for mbscasecmp" >&5
+$as_echo_n "checking for mbscasecmp... " >&6; }
+if test "${ac_cv_func_mbscasecmp+set}" = set; then
+ $as_echo_n "(cached) " >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+/* Define mbscasecmp to an innocuous variant, in case <limits.h> declares mbscasecmp.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define mbscasecmp innocuous_mbscasecmp
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char mbscasecmp (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef mbscasecmp
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char mbscasecmp ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined __stub_mbscasecmp || defined __stub___mbscasecmp
+choke me
+#endif
+
+int
+main ()
+{
+return mbscasecmp ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext && {
+ test "$cross_compiling" = yes ||
+ $as_test_x conftest$ac_exeext
+ }; then
+ ac_cv_func_mbscasecmp=yes
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_func_mbscasecmp=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_mbscasecmp" >&5
+$as_echo "$ac_cv_func_mbscasecmp" >&6; }
+if test $ac_cv_func_mbscasecmp = yes; then
+ cat >>confdefs.h <<\_ACEOF
+#define HAVE_MBSCMP 1
+_ACEOF
+
+fi
+
{ $as_echo "$as_me:$LINENO: checking for mbscmp" >&5
$as_echo_n "checking for mbscmp... " >&6; }
if test "${ac_cv_func_mbscmp+set}" = set; then
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_mbscmp" >&5
$as_echo "$ac_cv_func_mbscmp" >&6; }
-if test "x$ac_cv_func_mbscmp" = x""yes; then
+if test $ac_cv_func_mbscmp = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_MBSCMP 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_mbsrtowcs" >&5
$as_echo "$ac_cv_func_mbsrtowcs" >&6; }
-if test "x$ac_cv_func_mbsrtowcs" = x""yes; then
+if test $ac_cv_func_mbsrtowcs = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_MBSRTOWCS 1
_ACEOF
fi
+
+for ac_func in mbschr
+do
+as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
+$as_echo_n "checking for $ac_func... " >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+ $as_echo_n "(cached) " >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char $ac_func (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext && {
+ test "$cross_compiling" = yes ||
+ $as_test_x conftest$ac_exeext
+ }; then
+ eval "$as_ac_var=yes"
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ eval "$as_ac_var=no"
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'`
+ { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+ case " $LIBOBJS " in
+ *" $ac_func.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS $ac_func.$ac_objext"
+ ;;
+esac
+
+fi
+done
+
+
+
{ $as_echo "$as_me:$LINENO: checking for wcrtomb" >&5
$as_echo_n "checking for wcrtomb... " >&6; }
if test "${ac_cv_func_wcrtomb+set}" = set; then
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_wcrtomb" >&5
$as_echo "$ac_cv_func_wcrtomb" >&6; }
-if test "x$ac_cv_func_wcrtomb" = x""yes; then
+if test $ac_cv_func_wcrtomb = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_WCRTOMB 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_wcscoll" >&5
$as_echo "$ac_cv_func_wcscoll" >&6; }
-if test "x$ac_cv_func_wcscoll" = x""yes; then
+if test $ac_cv_func_wcscoll = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_WCSCOLL 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_wcsdup" >&5
$as_echo "$ac_cv_func_wcsdup" >&6; }
-if test "x$ac_cv_func_wcsdup" = x""yes; then
+if test $ac_cv_func_wcsdup = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_WCSDUP 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_wcwidth" >&5
$as_echo "$ac_cv_func_wcwidth" >&6; }
-if test "x$ac_cv_func_wcwidth" = x""yes; then
+if test $ac_cv_func_wcwidth = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_WCWIDTH 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_wctype" >&5
$as_echo "$ac_cv_func_wctype" >&6; }
-if test "x$ac_cv_func_wctype" = x""yes; then
+if test $ac_cv_func_wctype = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_WCTYPE 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlopen" >&5
$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = x""yes; then
+if test $ac_cv_lib_dl_dlopen = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_LIBDL 1
_ACEOF
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
-as_val=`eval 'as_val=${'$as_ac_var'}
- $as_echo "$as_val"'`
- if test "x$as_val" = x""yes; then
+if test `eval 'as_val=${'$as_ac_var'}
+ $as_echo "$as_val"'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_sys_siglist" >&5
$as_echo "$ac_cv_have_decl_sys_siglist" >&6; }
-if test "x$ac_cv_have_decl_sys_siglist" = x""yes; then
+if test $ac_cv_have_decl_sys_siglist = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_SYS_SIGLIST 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_sun_getpwent" >&5
$as_echo "$ac_cv_lib_sun_getpwent" >&6; }
-if test "x$ac_cv_lib_sun_getpwent" = x""yes; then
+if test $ac_cv_lib_sun_getpwent = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_LIBSUN 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_socket_getpeername" >&5
$as_echo "$ac_cv_lib_socket_getpeername" >&6; }
-if test "x$ac_cv_lib_socket_getpeername" = x""yes; then
+if test $ac_cv_lib_socket_getpeername = yes; then
bash_cv_have_socklib=yes
else
bash_cv_have_socklib=no
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_nsl_t_open" >&5
$as_echo "$ac_cv_lib_nsl_t_open" >&6; }
-if test "x$ac_cv_lib_nsl_t_open" = x""yes; then
+if test $ac_cv_lib_nsl_t_open = yes; then
bash_cv_have_libnsl=yes
else
bash_cv_have_libnsl=no
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_off_t" >&5
$as_echo "$ac_cv_type_off_t" >&6; }
-if test "x$ac_cv_type_off_t" = x""yes; then
+if test $ac_cv_type_off_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_mode_t" >&5
$as_echo "$ac_cv_type_mode_t" >&6; }
-if test "x$ac_cv_type_mode_t" = x""yes; then
+if test $ac_cv_type_mode_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_pid_t" >&5
$as_echo "$ac_cv_type_pid_t" >&6; }
-if test "x$ac_cv_type_pid_t" = x""yes; then
+if test $ac_cv_type_pid_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5
$as_echo "$ac_cv_type_size_t" >&6; }
-if test "x$ac_cv_type_size_t" = x""yes; then
+if test $ac_cv_type_size_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_ssize_t" >&5
$as_echo "$ac_cv_type_ssize_t" >&6; }
-if test "x$ac_cv_type_ssize_t" = x""yes; then
+if test $ac_cv_type_ssize_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_time_t" >&5
$as_echo "$ac_cv_type_time_t" >&6; }
-if test "x$ac_cv_type_time_t" = x""yes; then
+if test $ac_cv_type_time_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_sig_atomic_t" >&5
$as_echo "$ac_cv_type_sig_atomic_t" >&6; }
-if test "x$ac_cv_type_sig_atomic_t" = x""yes; then
+if test $ac_cv_type_sig_atomic_t = yes; then
:
else
case $ac_lo in
?*) ac_cv_sizeof_char=$ac_lo;;
'') if test "$ac_cv_type_char" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (char)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_char=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_char" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (char)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_char=0
fi
case $ac_lo in
?*) ac_cv_sizeof_short=$ac_lo;;
'') if test "$ac_cv_type_short" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (short)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (short)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (short)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_short=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_short" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (short)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (short)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (short)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_short=0
fi
case $ac_lo in
?*) ac_cv_sizeof_int=$ac_lo;;
'') if test "$ac_cv_type_int" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (int)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (int)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (int)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_int=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_int" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (int)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (int)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (int)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_int=0
fi
case $ac_lo in
?*) ac_cv_sizeof_long=$ac_lo;;
'') if test "$ac_cv_type_long" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (long)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_long=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_long" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (long)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_long=0
fi
case $ac_lo in
?*) ac_cv_sizeof_char_p=$ac_lo;;
'') if test "$ac_cv_type_char_p" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char *)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char *)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (char *)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_char_p=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_char_p" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char *)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (char *)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (char *)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_char_p=0
fi
case $ac_lo in
?*) ac_cv_sizeof_double=$ac_lo;;
'') if test "$ac_cv_type_double" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (double)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (double)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (double)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_double=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_double" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (double)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (double)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (double)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_double=0
fi
case $ac_lo in
?*) ac_cv_sizeof_long_long=$ac_lo;;
'') if test "$ac_cv_type_long_long" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long long)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long long)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (long long)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_long_long=0
fi ;;
( exit $ac_status )
if test "$ac_cv_type_long_long" = yes; then
- { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long long)
+ { { $as_echo "$as_me:$LINENO: error: cannot compute sizeof (long long)
See \`config.log' for more details." >&5
$as_echo "$as_me: error: cannot compute sizeof (long long)
See \`config.log' for more details." >&2;}
- { (exit 77); exit 77; }; }; }
+ { (exit 77); exit 77; }; }
else
ac_cv_sizeof_long_long=0
fi
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_int" >&5
$as_echo "$ac_cv_type_u_int" >&6; }
-if test "x$ac_cv_type_u_int" = x""yes; then
+if test $ac_cv_type_u_int = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_long" >&5
$as_echo "$ac_cv_type_u_long" >&6; }
-if test "x$ac_cv_type_u_long" = x""yes; then
+if test $ac_cv_type_u_long = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits16_t" >&5
$as_echo "$ac_cv_type_bits16_t" >&6; }
-if test "x$ac_cv_type_bits16_t" = x""yes; then
+if test $ac_cv_type_bits16_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits16_t" >&5
$as_echo "$ac_cv_type_bits16_t" >&6; }
-if test "x$ac_cv_type_bits16_t" = x""yes; then
+if test $ac_cv_type_bits16_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits16_t" >&5
$as_echo "$ac_cv_type_bits16_t" >&6; }
-if test "x$ac_cv_type_bits16_t" = x""yes; then
+if test $ac_cv_type_bits16_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_bits16_t" >&5
$as_echo "$ac_cv_type_u_bits16_t" >&6; }
-if test "x$ac_cv_type_u_bits16_t" = x""yes; then
+if test $ac_cv_type_u_bits16_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_bits16_t" >&5
$as_echo "$ac_cv_type_u_bits16_t" >&6; }
-if test "x$ac_cv_type_u_bits16_t" = x""yes; then
+if test $ac_cv_type_u_bits16_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_bits16_t" >&5
$as_echo "$ac_cv_type_u_bits16_t" >&6; }
-if test "x$ac_cv_type_u_bits16_t" = x""yes; then
+if test $ac_cv_type_u_bits16_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits32_t" >&5
$as_echo "$ac_cv_type_bits32_t" >&6; }
-if test "x$ac_cv_type_bits32_t" = x""yes; then
+if test $ac_cv_type_bits32_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits32_t" >&5
$as_echo "$ac_cv_type_bits32_t" >&6; }
-if test "x$ac_cv_type_bits32_t" = x""yes; then
+if test $ac_cv_type_bits32_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits32_t" >&5
$as_echo "$ac_cv_type_bits32_t" >&6; }
-if test "x$ac_cv_type_bits32_t" = x""yes; then
+if test $ac_cv_type_bits32_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_bits32_t" >&5
$as_echo "$ac_cv_type_u_bits32_t" >&6; }
-if test "x$ac_cv_type_u_bits32_t" = x""yes; then
+if test $ac_cv_type_u_bits32_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_bits32_t" >&5
$as_echo "$ac_cv_type_u_bits32_t" >&6; }
-if test "x$ac_cv_type_u_bits32_t" = x""yes; then
+if test $ac_cv_type_u_bits32_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_u_bits32_t" >&5
$as_echo "$ac_cv_type_u_bits32_t" >&6; }
-if test "x$ac_cv_type_u_bits32_t" = x""yes; then
+if test $ac_cv_type_u_bits32_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits64_t" >&5
$as_echo "$ac_cv_type_bits64_t" >&6; }
-if test "x$ac_cv_type_bits64_t" = x""yes; then
+if test $ac_cv_type_bits64_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits64_t" >&5
$as_echo "$ac_cv_type_bits64_t" >&6; }
-if test "x$ac_cv_type_bits64_t" = x""yes; then
+if test $ac_cv_type_bits64_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits64_t" >&5
$as_echo "$ac_cv_type_bits64_t" >&6; }
-if test "x$ac_cv_type_bits64_t" = x""yes; then
+if test $ac_cv_type_bits64_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits64_t" >&5
$as_echo "$ac_cv_type_bits64_t" >&6; }
-if test "x$ac_cv_type_bits64_t" = x""yes; then
+if test $ac_cv_type_bits64_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_bits64_t" >&5
$as_echo "$ac_cv_type_bits64_t" >&6; }
-if test "x$ac_cv_type_bits64_t" = x""yes; then
+if test $ac_cv_type_bits64_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_ptrdiff_t" >&5
$as_echo "$ac_cv_type_ptrdiff_t" >&6; }
-if test "x$ac_cv_type_ptrdiff_t" = x""yes; then
+if test $ac_cv_type_ptrdiff_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_ptrdiff_t" >&5
$as_echo "$ac_cv_type_ptrdiff_t" >&6; }
-if test "x$ac_cv_type_ptrdiff_t" = x""yes; then
+if test $ac_cv_type_ptrdiff_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_ptrdiff_t" >&5
$as_echo "$ac_cv_type_ptrdiff_t" >&6; }
-if test "x$ac_cv_type_ptrdiff_t" = x""yes; then
+if test $ac_cv_type_ptrdiff_t = yes; then
:
else
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_ptrdiff_t" >&5
$as_echo "$ac_cv_type_ptrdiff_t" >&6; }
-if test "x$ac_cv_type_ptrdiff_t" = x""yes; then
+if test $ac_cv_type_ptrdiff_t = yes; then
:
else
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
#include <sys/times.h>
_ACEOF
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
#include <signal.h>
_ACEOF
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
_ACEOF
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
_ACEOF
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
_ACEOF
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
#include <sys/socket.h>
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_member_struct_termios_c_line" >&5
$as_echo "$ac_cv_member_struct_termios_c_line" >&6; }
-if test "x$ac_cv_member_struct_termios_c_line" = x""yes; then
+if test $ac_cv_member_struct_termios_c_line = yes; then
cat >>confdefs.h <<\_ACEOF
#define TERMIOS_LDISC 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_member_struct_termio_c_line" >&5
$as_echo "$ac_cv_member_struct_termio_c_line" >&6; }
-if test "x$ac_cv_member_struct_termio_c_line" = x""yes; then
+if test $ac_cv_member_struct_termio_c_line = yes; then
cat >>confdefs.h <<\_ACEOF
#define TERMIO_LDISC 1
_ACEOF
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_member_struct_stat_st_blocks" >&5
$as_echo "$ac_cv_member_struct_stat_st_blocks" >&6; }
-if test "x$ac_cv_member_struct_stat_st_blocks" = x""yes; then
+if test $ac_cv_member_struct_stat_st_blocks = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_STRUCT_STAT_ST_BLOCKS 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_member_struct_tm_tm_zone" >&5
$as_echo "$ac_cv_member_struct_tm_tm_zone" >&6; }
-if test "x$ac_cv_member_struct_tm_tm_zone" = x""yes; then
+if test $ac_cv_member_struct_tm_tm_zone = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_STRUCT_TM_TM_ZONE 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_tzname" >&5
$as_echo "$ac_cv_have_decl_tzname" >&6; }
-if test "x$ac_cv_have_decl_tzname" = x""yes; then
+if test $ac_cv_have_decl_tzname = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_TZNAME 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl_fpurge" >&5
$as_echo "$ac_cv_have_decl_fpurge" >&6; }
-if test "x$ac_cv_have_decl_fpurge" = x""yes; then
+if test $ac_cv_have_decl_fpurge = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_FPURGE 1
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_tgetent" >&5
$as_echo "$ac_cv_func_tgetent" >&6; }
-if test "x$ac_cv_func_tgetent" = x""yes; then
+if test $ac_cv_func_tgetent = yes; then
bash_cv_termcap_lib=libc
else
{ $as_echo "$as_me:$LINENO: checking for tgetent in -ltermcap" >&5
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_termcap_tgetent" >&5
$as_echo "$ac_cv_lib_termcap_tgetent" >&6; }
-if test "x$ac_cv_lib_termcap_tgetent" = x""yes; then
+if test $ac_cv_lib_termcap_tgetent = yes; then
bash_cv_termcap_lib=libtermcap
else
{ $as_echo "$as_me:$LINENO: checking for tgetent in -ltinfo" >&5
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_tinfo_tgetent" >&5
$as_echo "$ac_cv_lib_tinfo_tgetent" >&6; }
-if test "x$ac_cv_lib_tinfo_tgetent" = x""yes; then
+if test $ac_cv_lib_tinfo_tgetent = yes; then
bash_cv_termcap_lib=libtinfo
else
{ $as_echo "$as_me:$LINENO: checking for tgetent in -lcurses" >&5
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_curses_tgetent" >&5
$as_echo "$ac_cv_lib_curses_tgetent" >&6; }
-if test "x$ac_cv_lib_curses_tgetent" = x""yes; then
+if test $ac_cv_lib_curses_tgetent = yes; then
bash_cv_termcap_lib=libcurses
else
{ $as_echo "$as_me:$LINENO: checking for tgetent in -lncurses" >&5
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_ncurses_tgetent" >&5
$as_echo "$ac_cv_lib_ncurses_tgetent" >&6; }
-if test "x$ac_cv_lib_ncurses_tgetent" = x""yes; then
+if test $ac_cv_lib_ncurses_tgetent = yes; then
bash_cv_termcap_lib=libncurses
else
bash_cv_termcap_lib=gnutermcap
case $ac_val in #(
*${as_nl}*)
case $ac_var in #(
- *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+ *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
+$as_echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
esac
case $ac_var in #(
_ | IFS | as_nl) ;; #(
-
: ${CONFIG_STATUS=./config.status}
ac_write_fail=0
ac_clean_files_save=$ac_clean_files
# values after options handling.
ac_log="
This file was extended by bash $as_me 4.0-maint, which was
-generated by GNU Autoconf 2.63. Invocation command line was
+generated by GNU Autoconf 2.62. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
CONFIG_HEADERS = $CONFIG_HEADERS
_ACEOF
-case $ac_config_files in *"
-"*) set x $ac_config_files; shift; ac_config_files=$*;;
-esac
-
-case $ac_config_headers in *"
-"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
-esac
-
-
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
# Files that config.status was made for.
config_files="$ac_config_files"
\`$as_me' instantiates files from templates according to the
current configuration.
-Usage: $0 [OPTION]... [FILE]...
+Usage: $0 [OPTIONS] [FILE]...
-h, --help print this help, then exit
-V, --version print version number and configuration settings, then exit
- -q, --quiet, --silent
- do not print progress messages
+ -q, --quiet do not print progress messages
-d, --debug don't remove temporary files
--recheck update $as_me by reconfiguring in the same conditions
- --file=FILE[:TEMPLATE]
+ --file=FILE[:TEMPLATE]
instantiate the configuration file FILE
- --header=FILE[:TEMPLATE]
+ --header=FILE[:TEMPLATE]
instantiate the configuration header FILE
Configuration files:
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_version="\\
bash config.status 4.0-maint
-configured by $0, generated by GNU Autoconf 2.63,
+configured by $0, generated by GNU Autoconf 2.62,
with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
Copyright (C) 2008 Free Software Foundation, Inc.
$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
{ (exit 1); exit 1; }; }
- ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
- if test $ac_delim_n = $ac_delim_num; then
+ if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` = $ac_delim_num; then
break
elif $ac_last_try; then
{ { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
}
split(mac1, mac2, "(") #)
macro = mac2[1]
- prefix = substr(line, 1, index(line, defundef) - 1)
if (D_is_set[macro]) {
# Preserve the white space surrounding the "#".
+ prefix = substr(line, 1, index(line, defundef) - 1)
print prefix "define", macro P[macro] D[macro]
next
} else {
# in the case of _POSIX_SOURCE, which is predefined and required
# on some systems where configure will not decide to define it.
if (defundef == "undef") {
- print "/*", prefix defundef, macro, "*/"
+ print "/*", line, "*/"
next
}
}
esac
case $ac_mode$ac_tag in
:[FHL]*:*);;
- :L* | :C*:*) { { $as_echo "$as_me:$LINENO: error: invalid tag $ac_tag" >&5
-$as_echo "$as_me: error: invalid tag $ac_tag" >&2;}
+ :L* | :C*:*) { { $as_echo "$as_me:$LINENO: error: Invalid tag $ac_tag." >&5
+$as_echo "$as_me: error: Invalid tag $ac_tag." >&2;}
{ (exit 1); exit 1; }; };;
:[FH]-) ac_tag=-:-;;
:[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
$ac_cs_success || { (exit 1); exit 1; }
fi
if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
- { $as_echo "$as_me:$LINENO: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
-$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+ { $as_echo "$as_me:$LINENO: WARNING: Unrecognized options: $ac_unrecognized_opts" >&5
+$as_echo "$as_me: WARNING: Unrecognized options: $ac_unrecognized_opts" >&2;}
fi
AC_CHECK_FUNCS(vsnprintf snprintf vasprintf asprintf)
AC_CHECK_FUNCS(isascii isblank isgraph isprint isspace isxdigit)
AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
-AC_REPLACE_FUNCS(getcwd memset strcasecmp strerror strftime strnlen strpbrk strstr)
+AC_REPLACE_FUNCS(getcwd memset)
+AC_REPLACE_FUNCS(strcasecmp strcasestr strerror strftime strnlen strpbrk strstr)
AC_REPLACE_FUNCS(strtod strtol strtoul strtoll strtoull strtoimax strtoumax)
AC_REPLACE_FUNCS(fdprintf)
AC_REVISION([for Bash 4.0, version 4.013])dnl
define(bashvers, 4.0)
-define(relstatus, release)
+define(relstatus, maint)
AC_INIT([bash], bashvers-relstatus, [bug-bash@gnu.org])
AC_CHECK_FUNCS(vsnprintf snprintf vasprintf asprintf)
AC_CHECK_FUNCS(isascii isblank isgraph isprint isspace isxdigit)
AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
-AC_REPLACE_FUNCS(getcwd memset strcasecmp strerror strftime strnlen strpbrk strstr)
+AC_REPLACE_FUNCS(getcwd memset)
+AC_REPLACE_FUNCS(strcasecmp strerror strftime strnlen strpbrk strstr)
AC_REPLACE_FUNCS(strtod strtol strtoul strtoll strtoull strtoimax strtoumax)
AC_REPLACE_FUNCS(fdprintf)
-*** /fs1/chet/scratch/bash-4.0-patched/parse.y 2009-03-07 15:18:35.000000000 -0500
---- parse.y 2009-03-07 14:16:32.000000000 -0500
+*** ../bash-4.0-patched/lib/readline/display.c 2009-01-04 14:32:32.000000000 -0500
+--- lib/readline/display.c 2009-04-25 21:42:18.000000000 -0400
***************
-*** 3404,3423 ****
- {
- tflags |= LEX_INCASE;
-! /*itrace("parse_comsub:%d: found `case', lex_incase -> 1", line_number);*/
- }
- else if (STREQN (ret + retind - 4, "esac", 4))
- {
- tflags &= ~LEX_INCASE;
-! /*itrace("parse_comsub:%d: found `esac', lex_incase -> 0", line_number);*/
- }
- tflags &= ~LEX_RESWDOK;
- }
-! else if (shellbreak (ch) == 0)
- {
-! tflags &= ~LEX_RESWDOK;
- /*itrace("parse_comsub:%d: found `%c', lex_reswordok -> 0", line_number, ch);*/
- }
- }
+*** 513,516 ****
+--- 513,517 ----
+ data structures. */
+ _rl_block_sigint ();
++ RL_SETSTATE (RL_STATE_REDISPLAYING);
- if MBTEST((tflags & LEX_INCOMMENT) == 0 && (tflags & LEX_CKCASE) && ch == '<')
- {
---- 3407,3439 ----
- {
- tflags |= LEX_INCASE;
-! /*itrace("parse_comsub:%d: found `case', lex_incase -> 1 lex_reswdok -> 0", line_number);*/
- }
- else if (STREQN (ret + retind - 4, "esac", 4))
- {
- tflags &= ~LEX_INCASE;
-! /*itrace("parse_comsub:%d: found `esac', lex_incase -> 0 lex_reswdok -> 0", line_number);*/
- }
- tflags &= ~LEX_RESWDOK;
- }
-! else if MBTEST((tflags & LEX_CKCOMMENT) && ch == '#' && (lex_rwlen == 0 || ((tflags & LEX_INWORD) && lex_wlen == 0)))
-! ; /* don't modify LEX_RESWDOK if we're starting a comment */
-! else if MBTEST((tflags & LEX_INCASE) && ch != '\n')
-! /* If we can read a reserved word and we're in case, we're at the
-! point where we can read a new pattern list or an esac. We
-! handle the esac case above. If we read a newline, we want to
-! leave LEX_RESWDOK alone. If we read anything else, we want to
-! turn off LEX_RESWDOK, since we're going to read a pattern list. */
- {
-! tflags &= ~LEX_RESWDOK;
-! /*itrace("parse_comsub:%d: lex_incase == 1 found `%c', lex_reswordok -> 0", line_number, ch);*/
-! }
-! else if MBTEST(shellbreak (ch) == 0)
-! {
-! tflags &= ~LEX_RESWDOK;
- /*itrace("parse_comsub:%d: found `%c', lex_reswordok -> 0", line_number, ch);*/
- }
- }
+ if (!rl_display_prompt)
+***************
+*** 1237,1240 ****
+--- 1238,1242 ----
+ }
-+ /* Might be the start of a here-doc delimiter */
- if MBTEST((tflags & LEX_INCOMMENT) == 0 && (tflags & LEX_CKCASE) && ch == '<')
- {
++ RL_UNSETSTATE (RL_STATE_REDISPLAYING);
+ _rl_release_sigint ();
+ }
+***************
+*** 1773,1777 ****
+ adjust col_lendiff based on the difference between _rl_last_c_pos
+ and _rl_screenwidth */
+! if (col_lendiff && (_rl_last_c_pos < _rl_screenwidth))
+ #endif
+ {
+--- 1775,1779 ----
+ adjust col_lendiff based on the difference between _rl_last_c_pos
+ and _rl_screenwidth */
+! if (col_lendiff && ((MB_CUR_MAX == 1 || rl_byte_oriented) || (_rl_last_c_pos < _rl_screenwidth)))
+ #endif
+ {
+***************
+*** 1893,1896 ****
+--- 1895,1902 ----
+ woff = WRAP_OFFSET (_rl_last_v_pos, wrap_offset);
+ cpos = _rl_last_c_pos;
++
++ if (cpos == 0 && cpos == new)
++ return;
++
+ #if defined (HANDLE_MULTIBYTE)
+ /* If we have multibyte characters, NEW is indexed by the buffer point in
+***************
+*** 1906,1912 ****
+ desired display position. */
+ if ((new > prompt_last_invisible) || /* XXX - don't use woff here */
+! (prompt_physical_chars > _rl_screenwidth &&
+ _rl_last_v_pos == prompt_last_screen_line &&
+! wrap_offset >= woff &&
+ new > (prompt_last_invisible-(_rl_screenwidth*_rl_last_v_pos)-wrap_offset)))
+ /* XXX last comparison might need to be >= */
+--- 1912,1918 ----
+ desired display position. */
+ if ((new > prompt_last_invisible) || /* XXX - don't use woff here */
+! (prompt_physical_chars >= _rl_screenwidth &&
+ _rl_last_v_pos == prompt_last_screen_line &&
+! wrap_offset >= woff && dpos >= woff &&
+ new > (prompt_last_invisible-(_rl_screenwidth*_rl_last_v_pos)-wrap_offset)))
+ /* XXX last comparison might need to be >= */
.TP
.B PROMPT_DIRTRIM
If set to a number greater than zero, the value is used as the number of
-trailing directory components to retain when expanding the \fB\ew\fB and
+trailing directory components to retain when expanding the \fB\ew\fP and
\fB\eW\fP prompt string escapes (see
.SM
.B PROMPTING
.B unset
builtin is used to destroy arrays. \fBunset\fP \fIname\fP[\fIsubscript\fP]
destroys the array element at index \fIsubscript\fP.
-Care must be taken to avoid unwanted side effects caused by filename
-generation.
+Care must be taken to avoid unwanted side effects caused by pathname
+expansion.
\fBunset\fP \fIname\fP, where \fIname\fP is an array, or
\fBunset\fP \fIname\fP[\fIsubscript\fP], where
\fIsubscript\fP is \fB*\fP or \fB@\fP, removes the entire array.
.B *
Matches any string, including the null string.
When the \fBglobstar\fP shell option is enabled, and \fB*\fP is used in
-a filename expansion context, two adjacent \fB*\fPs used as a single
+a pathname expansion context, two adjacent \fB*\fPs used as a single
pattern will match all files and zero or more directories and
subdirectories.
If followed by a \fB/\fP, two adjacent \fB*\fPs will match only directories
.B FIGNORE
is used to filter the matches.
.PP
-Any completions specified by a filename expansion pattern to the
+Any completions specified by a pathname expansion pattern to the
\fB\-G\fP option are generated next.
The words generated by the pattern need not match the word
being completed.
.RE
.TP 8
\fB\-G\fP \fIglobpat\fP
-The filename expansion pattern \fIglobpat\fP is expanded to generate
+The pathname expansion pattern \fIglobpat\fP is expanded to generate
the possible completions.
.TP 8
\fB\-W\fP \fIwordlist\fP
array variable.
.TP 8
\fB\-X\fP \fIfilterpat\fP
-\fIfilterpat\fP is a pattern as used for filename expansion.
+\fIfilterpat\fP is a pattern as used for pathname expansion.
It is applied to the list of possible completions generated by the
preceding options and arguments, and each completion matching
\fIfilterpat\fP is removed from the list.
This option is enabled by default.
.TP 8
.B globstar
-If set, the pattern \fB**\fP used in a filename expansion context will
+If set, the pattern \fB**\fP used in a pathname expansion context will
match a files and zero or more directories and subdirectories.
If the pattern is followed by a \fB/\fP, only directories and
subdirectories match.
--- /dev/null
+.\"
+.\" MAN PAGE COMMENTS to
+.\"
+.\" Chet Ramey
+.\" Case Western Reserve University
+.\" chet@po.cwru.edu
+.\"
+.\" Last Change: Wed Mar 4 15:55:47 EST 2009
+.\"
+.\" bash_builtins, strip all but Built-Ins section
+.if \n(zZ=1 .ig zZ
+.if \n(zY=1 .ig zY
+.TH BASH 1 "2009 March 4" "GNU Bash-4.0"
+.\"
+.\" There's some problem with having a `@'
+.\" in a tagged paragraph with the BSD man macros.
+.\" It has to do with `@' appearing in the }1 macro.
+.\" This is a problem on 4.3 BSD and Ultrix, but Sun
+.\" appears to have fixed it.
+.\" If you're seeing the characters
+.\" `@u-3p' appearing before the lines reading
+.\" `possible-hostname-completions
+.\" and `complete-hostname' down in READLINE,
+.\" then uncomment this redefinition.
+.\"
+.de }1
+.ds ]X \&\\*(]B\\
+.nr )E 0
+.if !"\\$1"" .nr )I \\$1n
+.}f
+.ll \\n(LLu
+.in \\n()Ru+\\n(INu+\\n()Iu
+.ti \\n(INu
+.ie !\\n()Iu+\\n()Ru-\w\a\\*(]X\au-3p \{\\*(]X
+.br\}
+.el \\*(]X\h\a|\\n()Iu+\\n()Ru\a\c
+.}f
+..
+.\"
+.\" File Name macro. This used to be `.PN', for Path Name,
+.\" but Sun doesn't seem to like that very much.
+.\"
+.de FN
+\fI\|\\$1\|\fP
+..
+.SH NAME
+bash \- GNU Bourne-Again SHell
+.SH SYNOPSIS
+.B bash
+[options]
+[file]
+.SH COPYRIGHT
+.if n Bash is Copyright (C) 1989-2009 by the Free Software Foundation, Inc.
+.if t Bash is Copyright \(co 1989-2009 by the Free Software Foundation, Inc.
+.SH DESCRIPTION
+.B Bash
+is an \fBsh\fR-compatible command language interpreter that
+executes commands read from the standard input or from a file.
+.B Bash
+also incorporates useful features from the \fIKorn\fP and \fIC\fP
+shells (\fBksh\fP and \fBcsh\fP).
+.PP
+.B Bash
+is intended to be a conformant implementation of the
+Shell and Utilities portion of the IEEE POSIX specification
+(IEEE Standard 1003.1).
+.B Bash
+can be configured to be POSIX-conformant by default.
+.SH OPTIONS
+In addition to the single-character shell options documented in the
+description of the \fBset\fR builtin command, \fBbash\fR
+interprets the following options when it is invoked:
+.PP
+.PD 0
+.TP 10
+.BI \-c "\| string\^"
+If the
+.B \-c
+option is present, then commands are read from
+.IR string .
+If there are arguments after the
+.IR string ,
+they are assigned to the positional parameters, starting with
+.BR $0 .
+.TP
+.B \-i
+If the
+.B \-i
+option is present, the shell is
+.IR interactive .
+.TP
+.B \-l
+Make
+.B bash
+act as if it had been invoked as a login shell (see
+.SM
+.B INVOCATION
+below).
+.TP
+.B \-r
+If the
+.B \-r
+option is present, the shell becomes
+.I restricted
+(see
+.SM
+.B "RESTRICTED SHELL"
+below).
+.TP
+.B \-s
+If the
+.B \-s
+option is present, or if no arguments remain after option
+processing, then commands are read from the standard input.
+This option allows the positional parameters to be set
+when invoking an interactive shell.
+.TP
+.B \-D
+A list of all double-quoted strings preceded by \fB$\fP
+is printed on the standard output.
+These are the strings that
+are subject to language translation when the current locale
+is not \fBC\fP or \fBPOSIX\fP.
+This implies the \fB\-n\fP option; no commands will be executed.
+.TP
+.B [\-+]O [\fIshopt_option\fP]
+\fIshopt_option\fP is one of the shell options accepted by the
+\fBshopt\fP builtin (see
+.SM
+.B SHELL BUILTIN COMMANDS
+below).
+If \fIshopt_option\fP is present, \fB\-O\fP sets the value of that option;
+\fB+O\fP unsets it.
+If \fIshopt_option\fP is not supplied, the names and values of the shell
+options accepted by \fBshopt\fP are printed on the standard output.
+If the invocation option is \fB+O\fP, the output is displayed in a format
+that may be reused as input.
+.TP
+.B \-\-
+A
+.B \-\-
+signals the end of options and disables further option processing.
+Any arguments after the
+.B \-\-
+are treated as filenames and arguments. An argument of
+.B \-
+is equivalent to \fB\-\-\fP.
+.PD
+.PP
+.B Bash
+also interprets a number of multi-character options.
+These options must appear on the command line before the
+single-character options to be recognized.
+.PP
+.PD 0
+.TP
+.B \-\-debugger
+Arrange for the debugger profile to be executed before the shell
+starts.
+Turns on extended debugging mode (see the description of the
+.B extdebug
+option to the
+.B shopt
+builtin below)
+and shell function tracing (see the description of the
+\fB\-o functrace\fP option to the
+.B set
+builtin below).
+.TP
+.B \-\-dump\-po\-strings
+Equivalent to \fB\-D\fP, but the output is in the GNU \fIgettext\fP
+\fBpo\fP (portable object) file format.
+.TP
+.B \-\-dump\-strings
+Equivalent to \fB\-D\fP.
+.TP
+.B \-\-help
+Display a usage message on standard output and exit successfully.
+.TP
+\fB\-\-init\-file\fP \fIfile\fP
+.PD 0
+.TP
+\fB\-\-rcfile\fP \fIfile\fP
+.PD
+Execute commands from
+.I file
+instead of the standard personal initialization file
+.I ~/.bashrc
+if the shell is interactive (see
+.SM
+.B INVOCATION
+below).
+.TP
+.B \-\-login
+Equivalent to \fB\-l\fP.
+.TP
+.B \-\-noediting
+Do not use the GNU
+.B readline
+library to read command lines when the shell is interactive.
+.TP
+.B \-\-noprofile
+Do not read either the system-wide startup file
+.FN /etc/profile
+or any of the personal initialization files
+.IR ~/.bash_profile ,
+.IR ~/.bash_login ,
+or
+.IR ~/.profile .
+By default,
+.B bash
+reads these files when it is invoked as a login shell (see
+.SM
+.B INVOCATION
+below).
+.TP
+.B \-\-norc
+Do not read and execute the personal initialization file
+.I ~/.bashrc
+if the shell is interactive.
+This option is on by default if the shell is invoked as
+.BR sh .
+.TP
+.B \-\-posix
+Change the behavior of \fBbash\fP where the default operation differs
+from the POSIX standard to match the standard (\fIposix mode\fP).
+.TP
+.B \-\-restricted
+The shell becomes restricted (see
+.SM
+.B "RESTRICTED SHELL"
+below).
+.TP
+.B \-\-verbose
+Equivalent to \fB\-v\fP.
+.TP
+.B \-\-version
+Show version information for this instance of
+.B bash
+on the standard output and exit successfully.
+.PD
+.SH ARGUMENTS
+If arguments remain after option processing, and neither the
+.B \-c
+nor the
+.B \-s
+option has been supplied, the first argument is assumed to
+be the name of a file containing shell commands.
+If
+.B bash
+is invoked in this fashion,
+.B $0
+is set to the name of the file, and the positional parameters
+are set to the remaining arguments.
+.B Bash
+reads and executes commands from this file, then exits.
+\fBBash\fP's exit status is the exit status of the last command
+executed in the script.
+If no commands are executed, the exit status is 0.
+An attempt is first made to open the file in the current directory, and,
+if no file is found, then the shell searches the directories in
+.SM
+.B PATH
+for the script.
+.SH INVOCATION
+A \fIlogin shell\fP is one whose first character of argument zero is a
+.BR \- ,
+or one started with the
+.B \-\-login
+option.
+.PP
+An \fIinteractive\fP shell is one started without non-option arguments
+and without the
+.B \-c
+option
+whose standard input and error are
+both connected to terminals (as determined by
+.IR isatty (3)),
+or one started with the
+.B \-i
+option.
+.SM
+.B PS1
+is set and
+.B $\-
+includes
+.B i
+if
+.B bash
+is interactive,
+allowing a shell script or a startup file to test this state.
+.PP
+The following paragraphs describe how
+.B bash
+executes its startup files.
+If any of the files exist but cannot be read,
+.B bash
+reports an error.
+Tildes are expanded in file names as described below under
+.B "Tilde Expansion"
+in the
+.SM
+.B EXPANSION
+section.
+.PP
+When
+.B bash
+is invoked as an interactive login shell, or as a non-interactive shell
+with the \fB\-\-login\fP option, it first reads and
+executes commands from the file \fI/etc/profile\fP, if that
+file exists.
+After reading that file, it looks for \fI~/.bash_profile\fP,
+\fI~/.bash_login\fP, and \fI~/.profile\fP, in that order, and reads
+and executes commands from the first one that exists and is readable.
+The
+.B \-\-noprofile
+option may be used when the shell is started to inhibit this behavior.
+.PP
+When a login shell exits,
+.B bash
+reads and executes commands from the file \fI~/.bash_logout\fP, if it
+exists.
+.PP
+When an interactive shell that is not a login shell is started,
+.B bash
+reads and executes commands from \fI~/.bashrc\fP, if that file exists.
+This may be inhibited by using the
+.B \-\-norc
+option.
+The \fB\-\-rcfile\fP \fIfile\fP option will force
+.B bash
+to read and execute commands from \fIfile\fP instead of \fI~/.bashrc\fP.
+.PP
+When
+.B bash
+is started non-interactively, to run a shell script, for example, it
+looks for the variable
+.SM
+.B BASH_ENV
+in the environment, expands its value if it appears there, and uses the
+expanded value as the name of a file to read and execute.
+.B Bash
+behaves as if the following command were executed:
+.sp .5
+.RS
+.if t \f(CWif [ \-n "$BASH_ENV" ]; then . "$BASH_ENV"; fi\fP
+.if n if [ \-n "$BASH_ENV" ]; then . "$BASH_ENV"; fi
+.RE
+.sp .5
+but the value of the
+.SM
+.B PATH
+variable is not used to search for the file name.
+.PP
+If
+.B bash
+is invoked with the name
+.BR sh ,
+it tries to mimic the startup behavior of historical versions of
+.B sh
+as closely as possible,
+while conforming to the POSIX standard as well.
+When invoked as an interactive login shell, or a non-interactive
+shell with the \fB\-\-login\fP option, it first attempts to
+read and execute commands from
+.I /etc/profile
+and
+.IR ~/.profile ,
+in that order.
+The
+.B \-\-noprofile
+option may be used to inhibit this behavior.
+When invoked as an interactive shell with the name
+.BR sh ,
+.B bash
+looks for the variable
+.SM
+.BR ENV ,
+expands its value if it is defined, and uses the
+expanded value as the name of a file to read and execute.
+Since a shell invoked as
+.B sh
+does not attempt to read and execute commands from any other startup
+files, the
+.B \-\-rcfile
+option has no effect.
+A non-interactive shell invoked with the name
+.B sh
+does not attempt to read any other startup files.
+When invoked as
+.BR sh ,
+.B bash
+enters
+.I posix
+mode after the startup files are read.
+.PP
+When
+.B bash
+is started in
+.I posix
+mode, as with the
+.B \-\-posix
+command line option, it follows the POSIX standard for startup files.
+In this mode, interactive shells expand the
+.SM
+.B ENV
+variable and commands are read and executed from the file
+whose name is the expanded value.
+No other startup files are read.
+.PP
+.B Bash
+attempts to determine when it is being run with its standard input
+connected to a a network connection, as if by the remote shell
+daemon, usually \fIrshd\fP, or the secure shell daemon \fIsshd\fP.
+If
+.B bash
+determines it is being run in this fashion, it reads and executes
+commands from \fI~/.bashrc\fP, if that file exists and is readable.
+It will not do this if invoked as \fBsh\fP.
+The
+.B \-\-norc
+option may be used to inhibit this behavior, and the
+.B \-\-rcfile
+option may be used to force another file to be read, but
+\fIrshd\fP does not generally invoke the shell with those options
+or allow them to be specified.
+.PP
+If the shell is started with the effective user (group) id not equal to the
+real user (group) id, and the \fB\-p\fP option is not supplied, no startup
+files are read, shell functions are not inherited from the environment, the
+.SM
+.B SHELLOPTS
+variable, if it appears in the environment, is ignored,
+and the effective user id is set to the real user id.
+If the \fB\-p\fP option is supplied at invocation, the startup behavior is
+the same, but the effective user id is not reset.
+.SH DEFINITIONS
+.PP
+The following definitions are used throughout the rest of this
+document.
+.PD 0
+.TP
+.B blank
+A space or tab.
+.TP
+.B word
+A sequence of characters considered as a single unit by the shell.
+Also known as a
+.BR token .
+.TP
+.B name
+A
+.I word
+consisting only of alphanumeric characters and underscores, and
+beginning with an alphabetic character or an underscore. Also
+referred to as an
+.BR identifier .
+.TP
+.B metacharacter
+A character that, when unquoted, separates words. One of the following:
+.br
+.RS
+.PP
+.if t \fB| & ; ( ) < > space tab\fP
+.if n \fB| & ; ( ) < > space tab\fP
+.RE
+.PP
+.TP
+.B control operator
+A \fItoken\fP that performs a control function. It is one of the following
+symbols:
+.RS
+.PP
+.if t \fB\(bv\(bv & && ; ;; ( ) | |& <newline>\fP
+.if n \fB|| & && ; ;; ( ) | |& <newline>\fP
+.RE
+.PD
+.SH "RESERVED WORDS"
+\fIReserved words\fP are words that have a special meaning to the shell.
+The following words are recognized as reserved when unquoted and either
+the first word of a simple command (see
+.SM
+.B SHELL GRAMMAR
+below) or the third word of a
+.B case
+or
+.B for
+command:
+.if t .RS
+.PP
+.B
+.if n ! case do done elif else esac fi for function if in select then until while { } time [[ ]]
+.if t ! case do done elif else esac fi for function if in select then until while { } time [[ ]]
+.if t .RE
+.SH "SHELL GRAMMAR"
+.SS Simple Commands
+.PP
+A \fIsimple command\fP is a sequence of optional variable assignments
+followed by \fBblank\fP-separated words and redirections, and
+terminated by a \fIcontrol operator\fP. The first word
+specifies the command to be executed, and is passed as argument zero.
+The remaining words are passed as arguments to the invoked command.
+.PP
+The return value of a \fIsimple command\fP is its exit status, or
+128+\fIn\^\fP if the command is terminated by signal
+.IR n .
+.SS Pipelines
+.PP
+A \fIpipeline\fP is a sequence of one or more commands separated by
+one of the control operators
+.B |
+or \fB|&\fP.
+The format for a pipeline is:
+.RS
+.PP
+[\fBtime\fP [\fB\-p\fP]] [ ! ] \fIcommand\fP [ [\fB|\fP\(bv\fB|&\fP] \fIcommand2\fP ... ]
+.RE
+.PP
+The standard output of
+.I command
+is connected via a pipe to the standard input of
+.IR command2 .
+This connection is performed before any redirections specified by the
+command (see
+.SM
+.B REDIRECTION
+below).
+If \fB|&\fP is used, the standard error of \fIcommand\fP is connected to
+\fIcommand2\fP's standard input through the pipe; it is shorthand for
+\fB2>&1 |\fP.
+This implicit redirection of the standard error is performed after any
+redirections specified by the command.
+.PP
+The return status of a pipeline is the exit status of the last
+command, unless the \fBpipefail\fP option is enabled.
+If \fBpipefail\fP is enabled, the pipeline's return status is the
+value of the last (rightmost) command to exit with a non-zero status,
+or zero if all commands exit successfully.
+If the reserved word
+.B !
+precedes a pipeline, the exit status of that pipeline is the logical
+negation of the exit status as described above.
+The shell waits for all commands in the pipeline to
+terminate before returning a value.
+.PP
+If the
+.B time
+reserved word precedes a pipeline, the elapsed as well as user and
+system time consumed by its execution are reported when the pipeline
+terminates.
+The \fB\-p\fP option changes the output format to that specified by POSIX.
+The
+.SM
+.B TIMEFORMAT
+variable may be set to a format string that specifies how the timing
+information should be displayed; see the description of
+.SM
+.B TIMEFORMAT
+under
+.B "Shell Variables"
+below.
+.PP
+Each command in a pipeline is executed as a separate process (i.e., in a
+subshell).
+.SS Lists
+.PP
+A \fIlist\fP is a sequence of one or more pipelines separated by one
+of the operators
+.BR ; ,
+.BR & ,
+.BR && ,
+or
+.BR \(bv\(bv ,
+and optionally terminated by one of
+.BR ; ,
+.BR & ,
+or
+.BR <newline> .
+.PP
+Of these list operators,
+.B &&
+and
+.B \(bv\(bv
+have equal precedence, followed by
+.B ;
+and
+.BR & ,
+which have equal precedence.
+.PP
+A sequence of one or more newlines may appear in a \fIlist\fP instead
+of a semicolon to delimit commands.
+.PP
+If a command is terminated by the control operator
+.BR & ,
+the shell executes the command in the \fIbackground\fP
+in a subshell. The shell does not wait for the command to
+finish, and the return status is 0. Commands separated by a
+.B ;
+are executed sequentially; the shell waits for each
+command to terminate in turn. The return status is the
+exit status of the last command executed.
+.PP
+AND and OR lists are sequences of one of more pipelines separated by the
+\fB&&\fP and \fB\(bv\(bv\fP control operators, respectively.
+AND and OR lists are executed with left associativity.
+An AND list has the form
+.RS
+.PP
+\fIcommand1\fP \fB&&\fP \fIcommand2\fP
+.RE
+.PP
+.I command2
+is executed if, and only if,
+.I command1
+returns an exit status of zero.
+.PP
+An OR list has the form
+.RS
+.PP
+\fIcommand1\fP \fB\(bv\(bv\fP \fIcommand2\fP
+.PP
+.RE
+.PP
+.I command2
+is executed if and only if
+.I command1
+returns a non-zero exit status.
+The return status of
+AND and OR lists is the exit status of the last command
+executed in the list.
+.SS Compound Commands
+.PP
+A \fIcompound command\fP is one of the following:
+.TP
+(\fIlist\fP)
+\fIlist\fP is executed in a subshell environment (see
+.SM
+\fBCOMMAND EXECUTION ENVIRONMENT\fP
+below).
+Variable assignments and builtin
+commands that affect the shell's environment do not remain in effect
+after the command completes. The return status is the exit status of
+\fIlist\fP.
+.TP
+{ \fIlist\fP; }
+\fIlist\fP is simply executed in the current shell environment.
+\fIlist\fP must be terminated with a newline or semicolon.
+This is known as a \fIgroup command\fP.
+The return status is the exit status of
+\fIlist\fP.
+Note that unlike the metacharacters \fB(\fP and \fB)\fP, \fB{\fP and
+\fB}\fP are \fIreserved words\fP and must occur where a reserved
+word is permitted to be recognized. Since they do not cause a word
+break, they must be separated from \fIlist\fP by whitespace or another
+shell metacharacter.
+.TP
+((\fIexpression\fP))
+The \fIexpression\fP is evaluated according to the rules described
+below under
+.SM
+.BR "ARITHMETIC EVALUATION" .
+If the value of the expression is non-zero, the return status is 0;
+otherwise the return status is 1. This is exactly equivalent to
+\fBlet "\fIexpression\fP"\fR.
+.TP
+\fB[[\fP \fIexpression\fP \fB]]\fP
+Return a status of 0 or 1 depending on the evaluation of
+the conditional expression \fIexpression\fP.
+Expressions are composed of the primaries described below under
+.SM
+.BR "CONDITIONAL EXPRESSIONS" .
+Word splitting and pathname expansion are not performed on the words
+between the \fB[[\fP and \fB]]\fP; tilde expansion, parameter and
+variable expansion, arithmetic expansion, command substitution, process
+substitution, and quote removal are performed.
+Conditional operators such as \fB\-f\fP must be unquoted to be recognized
+as primaries.
+.if t .sp 0.5
+.if n .sp 1
+When the \fB==\fP and \fB!=\fP operators are used, the string to the
+right of the operator is considered a pattern and matched according
+to the rules described below under \fBPattern Matching\fP.
+If the shell option
+.B nocasematch
+is enabled, the match is performed without regard to the case
+of alphabetic characters.
+The return value is 0 if the string matches (\fB==\fP) or does not match
+(\fB!=\fP) the pattern, and 1 otherwise.
+Any part of the pattern may be quoted to force it to be matched as a
+string.
+.if t .sp 0.5
+.if n .sp 1
+An additional binary operator, \fB=~\fP, is available, with the same
+precedence as \fB==\fP and \fB!=\fP.
+When it is used, the string to the right of the operator is considered
+an extended regular expression and matched accordingly (as in \fIregex\fP(3)).
+The return value is 0 if the string matches
+the pattern, and 1 otherwise.
+If the regular expression is syntactically incorrect, the conditional
+expression's return value is 2.
+If the shell option
+.B nocasematch
+is enabled, the match is performed without regard to the case
+of alphabetic characters.
+Any part of the pattern may be quoted to force it to be matched as a
+string.
+Substrings matched by parenthesized subexpressions within the regular
+expression are saved in the array variable \fBBASH_REMATCH\fP.
+The element of \fBBASH_REMATCH\fP with index 0 is the portion of the string
+matching the entire regular expression.
+The element of \fBBASH_REMATCH\fP with index \fIn\fP is the portion of the
+string matching the \fIn\fPth parenthesized subexpression.
+.if t .sp 0.5
+.if n .sp 1
+Expressions may be combined using the following operators, listed
+in decreasing order of precedence:
+.if t .sp 0.5
+.if n .sp 1
+.RS
+.PD 0
+.TP
+.B ( \fIexpression\fP )
+Returns the value of \fIexpression\fP.
+This may be used to override the normal precedence of operators.
+.TP
+.B ! \fIexpression\fP
+True if
+.I expression
+is false.
+.TP
+\fIexpression1\fP \fB&&\fP \fIexpression2\fP
+True if both
+.I expression1
+and
+.I expression2
+are true.
+.TP
+.if t \fIexpression1\fP \fB\(bv\(bv\fP \fIexpression2\fP
+.if n \fIexpression1\fP \fB||\fP \fIexpression2\fP
+True if either
+.I expression1
+or
+.I expression2
+is true.
+.PD
+.LP
+The \fB&&\fP and
+.if t \fB\(bv\(bv\fP
+.if n \fB||\fP
+operators do not evaluate \fIexpression2\fP if the value of
+\fIexpression1\fP is sufficient to determine the return value of
+the entire conditional expression.
+.RE
+.TP
+\fBfor\fP \fIname\fP [ [ \fBin\fP [ \fIword ...\fP ] ] ; ] \fBdo\fP \fIlist\fP ; \fBdone\fP
+The list of words following \fBin\fP is expanded, generating a list
+of items.
+The variable \fIname\fP is set to each element of this list
+in turn, and \fIlist\fP is executed each time.
+If the \fBin\fP \fIword\fP is omitted, the \fBfor\fP command executes
+\fIlist\fP once for each positional parameter that is set (see
+.SM
+.B PARAMETERS
+below).
+The return status is the exit status of the last command that executes.
+If the expansion of the items following \fBin\fP results in an empty
+list, no commands are executed, and the return status is 0.
+.TP
+\fBfor\fP (( \fIexpr1\fP ; \fIexpr2\fP ; \fIexpr3\fP )) ; \fBdo\fP \fIlist\fP ; \fBdone\fP
+First, the arithmetic expression \fIexpr1\fP is evaluated according
+to the rules described below under
+.SM
+.BR "ARITHMETIC EVALUATION" .
+The arithmetic expression \fIexpr2\fP is then evaluated repeatedly
+until it evaluates to zero.
+Each time \fIexpr2\fP evaluates to a non-zero value, \fIlist\fP is
+executed and the arithmetic expression \fIexpr3\fP is evaluated.
+If any expression is omitted, it behaves as if it evaluates to 1.
+The return value is the exit status of the last command in \fIlist\fP
+that is executed, or false if any of the expressions is invalid.
+.TP
+\fBselect\fP \fIname\fP [ \fBin\fP \fIword\fP ] ; \fBdo\fP \fIlist\fP ; \fBdone\fP
+The list of words following \fBin\fP is expanded, generating a list
+of items. The set of expanded words is printed on the standard
+error, each preceded by a number. If the \fBin\fP
+\fIword\fP is omitted, the positional parameters are printed (see
+.SM
+.B PARAMETERS
+below). The
+.B PS3
+prompt is then displayed and a line read from the standard input.
+If the line consists of a number corresponding to one of
+the displayed words, then the value of
+.I name
+is set to that word. If the line is empty, the words and prompt
+are displayed again. If EOF is read, the command completes. Any
+other value read causes
+.I name
+to be set to null. The line read is saved in the variable
+.BR REPLY .
+The
+.I list
+is executed after each selection until a
+.B break
+command is executed.
+The exit status of
+.B select
+is the exit status of the last command executed in
+.IR list ,
+or zero if no commands were executed.
+.TP
+\fBcase\fP \fIword\fP \fBin\fP [ [(] \fIpattern\fP [ \fB|\fP \fIpattern\fP ] \
+... ) \fIlist\fP ;; ] ... \fBesac\fP
+A \fBcase\fP command first expands \fIword\fP, and tries to match
+it against each \fIpattern\fP in turn, using the same matching rules
+as for pathname expansion (see
+.B Pathname Expansion
+below).
+The \fIword\fP is expanded using tilde
+expansion, parameter and variable expansion, arithmetic substitution,
+command substitution, process substitution and quote removal.
+Each \fIpattern\fP examined is expanded using tilde
+expansion, parameter and variable expansion, arithmetic substitution,
+command substitution, and process substitution.
+If the shell option
+.B nocasematch
+is enabled, the match is performed without regard to the case
+of alphabetic characters.
+When a match is found, the corresponding \fIlist\fP is executed.
+If the \fB;;\fP operator is used, no subsequent matches are attempted after
+the first pattern match.
+Using \fB;&\fP in place of \fB;;\fP causes execution to continue with
+the \fIlist\fP associated with the next set of patterns.
+Using \fB;;&\fP in place of \fB;;\fP causes the shell to test the next
+pattern list in the statement, if any, and execute any associated \fIlist\fP
+on a successful match.
+The exit status is zero if no
+pattern matches. Otherwise, it is the exit status of the
+last command executed in \fIlist\fP.
+.TP
+\fBif\fP \fIlist\fP; \fBthen\fP \fIlist;\fP \
+[ \fBelif\fP \fIlist\fP; \fBthen\fP \fIlist\fP; ] ... \
+[ \fBelse\fP \fIlist\fP; ] \fBfi\fP
+The
+.B if
+.I list
+is executed. If its exit status is zero, the
+\fBthen\fP \fIlist\fP is executed. Otherwise, each \fBelif\fP
+\fIlist\fP is executed in turn, and if its exit status is zero,
+the corresponding \fBthen\fP \fIlist\fP is executed and the
+command completes. Otherwise, the \fBelse\fP \fIlist\fP is
+executed, if present. The exit status is the exit status of the
+last command executed, or zero if no condition tested true.
+.TP
+\fBwhile\fP \fIlist\fP; \fBdo\fP \fIlist\fP; \fBdone\fP
+.PD 0
+.TP
+\fBuntil\fP \fIlist\fP; \fBdo\fP \fIlist\fP; \fBdone\fP
+.PD
+The \fBwhile\fP command continuously executes the \fBdo\fP
+\fIlist\fP as long as the last command in \fIlist\fP returns
+an exit status of zero. The \fBuntil\fP command is identical
+to the \fBwhile\fP command, except that the test is negated;
+the
+.B do
+.I list
+is executed as long as the last command in
+.I list
+returns a non-zero exit status.
+The exit status of the \fBwhile\fP and \fBuntil\fP commands
+is the exit status
+of the last \fBdo\fP \fIlist\fP command executed, or zero if
+none was executed.
+.SS Coprocesses
+.PP
+A \fIcoprocess\fP is a shell command preceded by the \fBcoproc\fP reserved
+word.
+A coprocess is executed asynchronously in a subshell, as if the command
+had been terminated with the \fB&\fP control operator, with a two-way pipe
+established between the executing shell and the coprocess.
+.PP
+The format for a coprocess is:
+.RS
+.PP
+\fBcoproc\fP [\fINAME\fP] \fIcommand\fP [\fIredirections\fP]
+.RE
+.PP
+This creates a coprocess named \fINAME\fP.
+If \fINAME\fP is not supplied, the default name is \fICOPROC\fP.
+\fINAME\fP must not be supplied if \fIcommand\fP is a \fIsimple
+command\fP (see above); otherwise, it is interpreted as the first word
+of the simple command.
+When the coproc is executed, the shell creates an array variable (see
+.B Arrays
+below) named \fINAME\fP in the context of the executing shell.
+The standard output of
+.I command
+is connected via a pipe to a file descriptor in the executing shell,
+and that file descriptor is assigned to \fINAME\fP[0].
+The standard input of
+.I command
+is connected via a pipe to a file descriptor in the executing shell,
+and that file descriptor is assigned to \fINAME\fP[1].
+This pipe is established before any redirections specified by the
+command (see
+.SM
+.B REDIRECTION
+below).
+The file descriptors can be utilized as arguments to shell commands
+and redirections using standard word expansions.
+The process id of the shell spawned to execute the coprocess is
+available as the value of the variable \fINAME\fP_PID.
+The \fBwait\fP
+builtin command may be used to wait for the coprocess to terminate.
+.PP
+The return status of a coprocess is the exit status of \fIcommand\fP.
+.SS Shell Function Definitions
+.PP
+A shell function is an object that is called like a simple command and
+executes a compound command with a new set of positional parameters.
+Shell functions are declared as follows:
+.TP
+[ \fBfunction\fP ] \fIname\fP () \fIcompound\-command\fP [\fIredirection\fP]
+This defines a function named \fIname\fP.
+The reserved word \fBfunction\fP is optional.
+If the \fBfunction\fP reserved word is supplied, the parentheses are optional.
+The \fIbody\fP of the function is the compound command
+.I compound\-command
+(see \fBCompound Commands\fP above).
+That command is usually a \fIlist\fP of commands between { and }, but
+may be any command listed under \fBCompound Commands\fP above.
+\fIcompound\-command\fP is executed whenever \fIname\fP is specified as the
+name of a simple command.
+Any redirections (see
+.SM
+.B REDIRECTION
+below) specified when a function is defined are performed
+when the function is executed.
+The exit status of a function definition is zero unless a syntax error
+occurs or a readonly function with the same name already exists.
+When executed, the exit status of a function is the exit status of the
+last command executed in the body. (See
+.SM
+.B FUNCTIONS
+below.)
+.SH COMMENTS
+In a non-interactive shell, or an interactive shell in which the
+.B interactive_comments
+option to the
+.B shopt
+builtin is enabled (see
+.SM
+.B "SHELL BUILTIN COMMANDS"
+below), a word beginning with
+.B #
+causes that word and all remaining characters on that line to
+be ignored. An interactive shell without the
+.B interactive_comments
+option enabled does not allow comments. The
+.B interactive_comments
+option is on by default in interactive shells.
+.SH QUOTING
+\fIQuoting\fP is used to remove the special meaning of certain
+characters or words to the shell. Quoting can be used to
+disable special treatment for special characters, to prevent
+reserved words from being recognized as such, and to prevent
+parameter expansion.
+.PP
+Each of the \fImetacharacters\fP listed above under
+.SM
+.B DEFINITIONS
+has special meaning to the shell and must be quoted if it is to
+represent itself.
+.PP
+When the command history expansion facilities are being used
+(see
+.SM
+.B HISTORY EXPANSION
+below), the
+\fIhistory expansion\fP character, usually \fB!\fP, must be quoted
+to prevent history expansion.
+.PP
+There are three quoting mechanisms: the
+.IR "escape character" ,
+single quotes, and double quotes.
+.PP
+A non-quoted backslash (\fB\e\fP) is the
+.IR "escape character" .
+It preserves the literal value of the next character that follows,
+with the exception of <newline>. If a \fB\e\fP<newline> pair
+appears, and the backslash is not itself quoted, the \fB\e\fP<newline>
+is treated as a line continuation (that is, it is removed from the
+input stream and effectively ignored).
+.PP
+Enclosing characters in single quotes preserves the literal value
+of each character within the quotes. A single quote may not occur
+between single quotes, even when preceded by a backslash.
+.PP
+Enclosing characters in double quotes preserves the literal value
+of all characters within the quotes, with the exception of
+.BR $ ,
+.BR \` ,
+.BR \e ,
+and, when history expansion is enabled,
+.BR ! .
+The characters
+.B $
+and
+.B \`
+retain their special meaning within double quotes. The backslash
+retains its special meaning only when followed by one of the following
+characters:
+.BR $ ,
+.BR \` ,
+\^\fB"\fP\^,
+.BR \e ,
+or
+.BR <newline> .
+A double quote may be quoted within double quotes by preceding it with
+a backslash.
+If enabled, history expansion will be performed unless an
+.B !
+appearing in double quotes is escaped using a backslash.
+The backslash preceding the
+.B !
+is not removed.
+.PP
+The special parameters
+.B *
+and
+.B @
+have special meaning when in double
+quotes (see
+.SM
+.B PARAMETERS
+below).
+.PP
+Words of the form \fB$\fP\(aq\fIstring\fP\(aq are treated specially. The
+word expands to \fIstring\fP, with backslash-escaped characters replaced
+as specified by the ANSI C standard. Backslash escape sequences, if
+present, are decoded as follows:
+.RS
+.PD 0
+.TP
+.B \ea
+alert (bell)
+.TP
+.B \eb
+backspace
+.TP
+.B \ee
+an escape character
+.TP
+.B \ef
+form feed
+.TP
+.B \en
+new line
+.TP
+.B \er
+carriage return
+.TP
+.B \et
+horizontal tab
+.TP
+.B \ev
+vertical tab
+.TP
+.B \e\e
+backslash
+.TP
+.B \e\(aq
+single quote
+.TP
+.B \e\fInnn\fP
+the eight-bit character whose value is the octal value \fInnn\fP
+(one to three digits)
+.TP
+.B \ex\fIHH\fP
+the eight-bit character whose value is the hexadecimal value \fIHH\fP
+(one or two hex digits)
+.TP
+.B \ec\fIx\fP
+a control-\fIx\fP character
+.PD
+.RE
+.LP
+The expanded result is single-quoted, as if the dollar sign had
+not been present.
+.PP
+A double-quoted string preceded by a dollar sign (\fB$\fP) will cause
+the string to be translated according to the current locale.
+If the current locale is \fBC\fP or \fBPOSIX\fP, the dollar sign
+is ignored.
+If the string is translated and replaced, the replacement is
+double-quoted.
+.SH PARAMETERS
+A
+.I parameter
+is an entity that stores values.
+It can be a
+.IR name ,
+a number, or one of the special characters listed below under
+.BR "Special Parameters" .
+A
+.I variable
+is a parameter denoted by a
+.IR name .
+A variable has a \fIvalue\fP and zero or more \fIattributes\fP.
+Attributes are assigned using the
+.B declare
+builtin command (see
+.B declare
+below in
+.SM
+.BR "SHELL BUILTIN COMMANDS" ).
+.PP
+A parameter is set if it has been assigned a value. The null string is
+a valid value. Once a variable is set, it may be unset only by using
+the
+.B unset
+builtin command (see
+.SM
+.B SHELL BUILTIN COMMANDS
+below).
+.PP
+A
+.I variable
+may be assigned to by a statement of the form
+.RS
+.PP
+\fIname\fP=[\fIvalue\fP]
+.RE
+.PP
+If
+.I value
+is not given, the variable is assigned the null string. All
+.I values
+undergo tilde expansion, parameter and variable expansion,
+command substitution, arithmetic expansion, and quote
+removal (see
+.SM
+.B EXPANSION
+below). If the variable has its
+.B integer
+attribute set, then
+.I value
+is evaluated as an arithmetic expression even if the $((...)) expansion is
+not used (see
+.B "Arithmetic Expansion"
+below).
+Word splitting is not performed, with the exception
+of \fB"$@"\fP as explained below under
+.BR "Special Parameters" .
+Pathname expansion is not performed.
+Assignment statements may also appear as arguments to the
+.BR alias ,
+.BR declare ,
+.BR typeset ,
+.BR export ,
+.BR readonly ,
+and
+.B local
+builtin commands.
+.PP
+In the context where an assignment statement is assigning a value
+to a shell variable or array index, the += operator can be used to
+append to or add to the variable's previous value.
+When += is applied to a variable for which the integer attribute has been
+set, \fIvalue\fP is evaluated as an arithmetic expression and added to the
+variable's current value, which is also evaluated.
+When += is applied to an array variable using compound assignment (see
+.B Arrays
+below), the
+variable's value is not unset (as it is when using =), and new values are
+appended to the array beginning at one greater than the array's maximum index
+(for indexed arrays) or added as additional key\-value pairs in an
+associative array.
+When applied to a string-valued variable, \fIvalue\fP is expanded and
+appended to the variable's value.
+.SS Positional Parameters
+.PP
+A
+.I positional parameter
+is a parameter denoted by one or more
+digits, other than the single digit 0. Positional parameters are
+assigned from the shell's arguments when it is invoked,
+and may be reassigned using the
+.B set
+builtin command. Positional parameters may not be assigned to
+with assignment statements. The positional parameters are
+temporarily replaced when a shell function is executed (see
+.SM
+.B FUNCTIONS
+below).
+.PP
+When a positional parameter consisting of more than a single
+digit is expanded, it must be enclosed in braces (see
+.SM
+.B EXPANSION
+below).
+.SS Special Parameters
+.PP
+The shell treats several parameters specially. These parameters may
+only be referenced; assignment to them is not allowed.
+.PD 0
+.TP
+.B *
+Expands to the positional parameters, starting from one. When the
+expansion occurs within double quotes, it expands to a single word
+with the value of each parameter separated by the first character
+of the
+.SM
+.B IFS
+special variable. That is, "\fB$*\fP" is equivalent
+to "\fB$1\fP\fIc\fP\fB$2\fP\fIc\fP\fB...\fP", where
+.I c
+is the first character of the value of the
+.SM
+.B IFS
+variable. If
+.SM
+.B IFS
+is unset, the parameters are separated by spaces.
+If
+.SM
+.B IFS
+is null, the parameters are joined without intervening separators.
+.TP
+.B @
+Expands to the positional parameters, starting from one. When the
+expansion occurs within double quotes, each parameter expands to a
+separate word. That is, "\fB$@\fP" is equivalent to
+"\fB$1\fP" "\fB$2\fP" ...
+If the double-quoted expansion occurs within a word, the expansion of
+the first parameter is joined with the beginning part of the original
+word, and the expansion of the last parameter is joined with the last
+part of the original word.
+When there are no positional parameters, "\fB$@\fP" and
+.B $@
+expand to nothing (i.e., they are removed).
+.TP
+.B #
+Expands to the number of positional parameters in decimal.
+.TP
+.B ?
+Expands to the exit status of the most recently executed foreground
+pipeline.
+.TP
+.B \-
+Expands to the current option flags as specified upon invocation,
+by the
+.B set
+builtin command, or those set by the shell itself
+(such as the
+.B \-i
+option).
+.TP
+.B $
+Expands to the process ID of the shell. In a () subshell, it
+expands to the process ID of the current shell, not the
+subshell.
+.TP
+.B !
+Expands to the process ID of the most recently executed background
+(asynchronous) command.
+.TP
+.B 0
+Expands to the name of the shell or shell script. This is set at
+shell initialization. If
+.B bash
+is invoked with a file of commands,
+.B $0
+is set to the name of that file. If
+.B bash
+is started with the
+.B \-c
+option, then
+.B $0
+is set to the first argument after the string to be
+executed, if one is present. Otherwise, it is set
+to the file name used to invoke
+.BR bash ,
+as given by argument zero.
+.TP
+.B _
+At shell startup, set to the absolute pathname used to invoke the
+shell or shell script being executed as passed in the environment
+or argument list.
+Subsequently, expands to the last argument to the previous command,
+after expansion.
+Also set to the full pathname used to invoke each command executed
+and placed in the environment exported to that command.
+When checking mail, this parameter holds the name of the mail file
+currently being checked.
+.PD
+.SS Shell Variables
+.PP
+The following variables are set by the shell:
+.PP
+.PD 0
+.TP
+.B BASH
+Expands to the full file name used to invoke this instance of
+.BR bash .
+.TP
+.B BASHPID
+Expands to the process id of the current \fBbash\fP process.
+This differs from \fB$$\fP under certain circumstances, such as subshells
+that do not require \fBbash\fP to be re-initialized.
+.TP
+.B BASH_ALIASES
+An associative array variable whose members correspond to the internal
+list of aliases as maintained by the \fBalias\fP builtin
+Elements added to this array appear in the alias list; unsetting array
+elements cause aliases to be removed from the alias list.
+.TP
+.B BASH_ARGC
+An array variable whose values are the number of parameters in each
+frame of the current \fBbash\fP execution call stack.
+The number of
+parameters to the current subroutine (shell function or script executed
+with \fB.\fP or \fBsource\fP) is at the top of the stack.
+When a subroutine is executed, the number of parameters passed is pushed onto
+\fBBASH_ARGC\fP.
+The shell sets \fBBASH_ARGC\fP only when in extended debugging mode
+(see the description of the
+.B extdebug
+option to the
+.B shopt
+builtin below)
+.TP
+.B BASH_ARGV
+An array variable containing all of the parameters in the current \fBbash\fP
+execution call stack. The final parameter of the last subroutine call
+is at the top of the stack; the first parameter of the initial call is
+at the bottom. When a subroutine is executed, the parameters supplied
+are pushed onto \fBBASH_ARGV\fP.
+The shell sets \fBBASH_ARGV\fP only when in extended debugging mode
+(see the description of the
+.B extdebug
+option to the
+.B shopt
+builtin below)
+.TP
+.B BASH_CMDS
+An associative array variable whose members correspond to the internal
+hash table of commands as maintained by the \fBhash\fP builtin.
+Elements added to this array appear in the hash table; unsetting array
+elements cause commands to be removed from the hash table.
+.TP
+.B BASH_COMMAND
+The command currently being executed or about to be executed, unless the
+shell is executing a command as the result of a trap,
+in which case it is the command executing at the time of the trap.
+.TP
+.B BASH_EXECUTION_STRING
+The command argument to the \fB\-c\fP invocation option.
+.TP
+.B BASH_LINENO
+An array variable whose members are the line numbers in source files
+corresponding to each member of \fBFUNCNAME\fP.
+\fB${BASH_LINENO[\fP\fI$i\fP\fB]}\fP is the line number in the source
+file where \fB${FUNCNAME[\fP\fI$i\fP\fB]}\fP was called
+(or \fB${BASH_LINENO[\fP\fI$i-1\fP\fB]}\fP if referenced within another
+shell function).
+The corresponding source file name is \fB${BASH_SOURCE[\fP\fI$i\fP\fB]}\fP.
+Use \fBLINENO\fP to obtain the current line number.
+.TP
+.B BASH_REMATCH
+An array variable whose members are assigned by the \fB=~\fP binary
+operator to the \fB[[\fP conditional command.
+The element with index 0 is the portion of the string
+matching the entire regular expression.
+The element with index \fIn\fP is the portion of the
+string matching the \fIn\fPth parenthesized subexpression.
+This variable is read-only.
+.TP
+.B BASH_SOURCE
+An array variable whose members are the source filenames corresponding
+to the elements in the \fBFUNCNAME\fP array variable.
+.TP
+.B BASH_SUBSHELL
+Incremented by one each time a subshell or subshell environment is spawned.
+The initial value is 0.
+.TP
+.B BASH_VERSINFO
+A readonly array variable whose members hold version information for
+this instance of
+.BR bash .
+The values assigned to the array members are as follows:
+.sp .5
+.RS
+.PD 0
+.TP 24
+.B BASH_VERSINFO[\fR0\fP]
+The major version number (the \fIrelease\fP).
+.TP
+.B BASH_VERSINFO[\fR1\fP]
+The minor version number (the \fIversion\fP).
+.TP
+.B BASH_VERSINFO[\fR2\fP]
+The patch level.
+.TP
+.B BASH_VERSINFO[\fR3\fP]
+The build version.
+.TP
+.B BASH_VERSINFO[\fR4\fP]
+The release status (e.g., \fIbeta1\fP).
+.TP
+.B BASH_VERSINFO[\fR5\fP]
+The value of \fBMACHTYPE\fP.
+.PD
+.RE
+.TP
+.B BASH_VERSION
+Expands to a string describing the version of this instance of
+.BR bash .
+.TP
+.B COMP_CWORD
+An index into \fB${COMP_WORDS}\fP of the word containing the current
+cursor position.
+This variable is available only in shell functions invoked by the
+programmable completion facilities (see \fBProgrammable Completion\fP
+below).
+.TP
+.B COMP_KEY
+The key (or final key of a key sequence) used to invoke the current
+completion function.
+.TP
+.B COMP_LINE
+The current command line.
+This variable is available only in shell functions and external
+commands invoked by the
+programmable completion facilities (see \fBProgrammable Completion\fP
+below).
+.TP
+.B COMP_POINT
+The index of the current cursor position relative to the beginning of
+the current command.
+If the current cursor position is at the end of the current command,
+the value of this variable is equal to \fB${#COMP_LINE}\fP.
+This variable is available only in shell functions and external
+commands invoked by the
+programmable completion facilities (see \fBProgrammable Completion\fP
+below).
+.TP
+.B COMP_TYPE
+Set to an integer value corresponding to the type of completion attempted
+that caused a completion function to be called:
+\fITAB\fP, for normal completion,
+\fI?\fP, for listing completions after successive tabs,
+\fI!\fP, for listing alternatives on partial word completion,
+\fI@\fP, to list completions if the word is not unmodified,
+or
+\fI%\fP, for menu completion.
+This variable is available only in shell functions and external
+commands invoked by the
+programmable completion facilities (see \fBProgrammable Completion\fP
+below).
+.TP
+.B COMP_WORDBREAKS
+The set of characters that the \fBreadline\fP library treats as word
+separators when performing word completion.
+If
+.SM
+.B COMP_WORDBREAKS
+is unset, it loses its special properties, even if it is
+subsequently reset.
+.TP
+.B COMP_WORDS
+An array variable (see \fBArrays\fP below) consisting of the individual
+words in the current command line.
+The line is split into words as \fBreadline\fP would split it, using
+\fBCOMP_WORDBREAKS\fP as described above.
+This variable is available only in shell functions invoked by the
+programmable completion facilities (see \fBProgrammable Completion\fP
+below).
+.TP
+.B DIRSTACK
+An array variable (see
+.B Arrays
+below) containing the current contents of the directory stack.
+Directories appear in the stack in the order they are displayed by the
+.B dirs
+builtin.
+Assigning to members of this array variable may be used to modify
+directories already in the stack, but the
+.B pushd
+and
+.B popd
+builtins must be used to add and remove directories.
+Assignment to this variable will not change the current directory.
+If
+.SM
+.B DIRSTACK
+is unset, it loses its special properties, even if it is
+subsequently reset.
+.TP
+.B EUID
+Expands to the effective user ID of the current user, initialized at
+shell startup. This variable is readonly.
+.TP
+.B FUNCNAME
+An array variable containing the names of all shell functions
+currently in the execution call stack.
+The element with index 0 is the name of any currently-executing
+shell function.
+The bottom-most element is
+.if t \f(CW"main"\fP.
+.if n "main".
+This variable exists only when a shell function is executing.
+Assignments to
+.SM
+.B FUNCNAME
+have no effect and return an error status.
+If
+.SM
+.B FUNCNAME
+is unset, it loses its special properties, even if it is
+subsequently reset.
+.TP
+.B GROUPS
+An array variable containing the list of groups of which the current
+user is a member.
+Assignments to
+.SM
+.B GROUPS
+have no effect and return an error status.
+If
+.SM
+.B GROUPS
+is unset, it loses its special properties, even if it is
+subsequently reset.
+.TP
+.B HISTCMD
+The history number, or index in the history list, of the current
+command.
+If
+.SM
+.B HISTCMD
+is unset, it loses its special properties, even if it is
+subsequently reset.
+.TP
+.B HOSTNAME
+Automatically set to the name of the current host.
+.TP
+.B HOSTTYPE
+Automatically set to a string that uniquely
+describes the type of machine on which
+.B bash
+is executing.
+The default is system-dependent.
+.TP
+.B LINENO
+Each time this parameter is referenced, the shell substitutes
+a decimal number representing the current sequential line number
+(starting with 1) within a script or function. When not in a
+script or function, the value substituted is not guaranteed to
+be meaningful.
+If
+.SM
+.B LINENO
+is unset, it loses its special properties, even if it is
+subsequently reset.
+.TP
+.B MACHTYPE
+Automatically set to a string that fully describes the system
+type on which
+.B bash
+is executing, in the standard GNU \fIcpu-company-system\fP format.
+The default is system-dependent.
+.TP
+.B OLDPWD
+The previous working directory as set by the
+.B cd
+command.
+.TP
+.B OPTARG
+The value of the last option argument processed by the
+.B getopts
+builtin command (see
+.SM
+.B SHELL BUILTIN COMMANDS
+below).
+.TP
+.B OPTIND
+The index of the next argument to be processed by the
+.B getopts
+builtin command (see
+.SM
+.B SHELL BUILTIN COMMANDS
+below).
+.TP
+.B OSTYPE
+Automatically set to a string that
+describes the operating system on which
+.B bash
+is executing.
+The default is system-dependent.
+.TP
+.B PIPESTATUS
+An array variable (see
+.B Arrays
+below) containing a list of exit status values from the processes
+in the most-recently-executed foreground pipeline (which may
+contain only a single command).
+.TP
+.B PPID
+The process ID of the shell's parent. This variable is readonly.
+.TP
+.B PWD
+The current working directory as set by the
+.B cd
+command.
+.TP
+.B RANDOM
+Each time this parameter is referenced, a random integer between
+0 and 32767 is
+generated. The sequence of random numbers may be initialized by assigning
+a value to
+.SM
+.BR RANDOM .
+If
+.SM
+.B RANDOM
+is unset, it loses its special properties, even if it is
+subsequently reset.
+.TP
+.B REPLY
+Set to the line of input read by the
+.B read
+builtin command when no arguments are supplied.
+.TP
+.B SECONDS
+Each time this parameter is
+referenced, the number of seconds since shell invocation is returned. If a
+value is assigned to
+.SM
+.BR SECONDS ,
+the value returned upon subsequent
+references is
+the number of seconds since the assignment plus the value assigned.
+If
+.SM
+.B SECONDS
+is unset, it loses its special properties, even if it is
+subsequently reset.
+.TP
+.B SHELLOPTS
+A colon-separated list of enabled shell options. Each word in
+the list is a valid argument for the
+.B \-o
+option to the
+.B set
+builtin command (see
+.SM
+.B "SHELL BUILTIN COMMANDS"
+below). The options appearing in
+.SM
+.B SHELLOPTS
+are those reported as
+.I on
+by \fBset \-o\fP.
+If this variable is in the environment when
+.B bash
+starts up, each shell option in the list will be enabled before
+reading any startup files.
+This variable is read-only.
+.TP
+.B SHLVL
+Incremented by one each time an instance of
+.B bash
+is started.
+.TP
+.B UID
+Expands to the user ID of the current user, initialized at shell startup.
+This variable is readonly.
+.PD
+.PP
+The following variables are used by the shell. In some cases,
+.B bash
+assigns a default value to a variable; these cases are noted
+below.
+.PP
+.PD 0
+.TP
+.B BASH_ENV
+If this parameter is set when \fBbash\fP is executing a shell script,
+its value is interpreted as a filename containing commands to
+initialize the shell, as in
+.IR ~/.bashrc .
+The value of
+.SM
+.B BASH_ENV
+is subjected to parameter expansion, command substitution, and arithmetic
+expansion before being interpreted as a file name.
+.SM
+.B PATH
+is not used to search for the resultant file name.
+.TP
+.B CDPATH
+The search path for the
+.B cd
+command.
+This is a colon-separated list of directories in which the shell looks
+for destination directories specified by the
+.B cd
+command.
+A sample value is
+.if t \f(CW".:~:/usr"\fP.
+.if n ".:~:/usr".
+.TP
+.B COLUMNS
+Used by the \fBselect\fP builtin command to determine the terminal width
+when printing selection lists. Automatically set upon receipt of a SIGWINCH.
+.TP
+.B COMPREPLY
+An array variable from which \fBbash\fP reads the possible completions
+generated by a shell function invoked by the programmable completion
+facility (see \fBProgrammable Completion\fP below).
+.TP
+.B EMACS
+If \fBbash\fP finds this variable in the environment when the shell starts
+with value
+.if t \f(CWt\fP,
+.if n "t",
+it assumes that the shell is running in an emacs shell buffer and disables
+line editing.
+.TP
+.B FCEDIT
+The default editor for the
+.B fc
+builtin command.
+.TP
+.B FIGNORE
+A colon-separated list of suffixes to ignore when performing
+filename completion (see
+.SM
+.B READLINE
+below).
+A filename whose suffix matches one of the entries in
+.SM
+.B FIGNORE
+is excluded from the list of matched filenames.
+A sample value is
+.if t \f(CW".o:~"\fP.
+.if n ".o:~".
+.TP
+.B GLOBIGNORE
+A colon-separated list of patterns defining the set of filenames to
+be ignored by pathname expansion.
+If a filename matched by a pathname expansion pattern also matches one
+of the patterns in
+.SM
+.BR GLOBIGNORE ,
+it is removed from the list of matches.
+.TP
+.B HISTCONTROL
+A colon-separated list of values controlling how commands are saved on
+the history list.
+If the list of values includes
+.IR ignorespace ,
+lines which begin with a
+.B space
+character are not saved in the history list.
+A value of
+.I ignoredups
+causes lines matching the previous history entry to not be saved.
+A value of
+.I ignoreboth
+is shorthand for \fIignorespace\fP and \fIignoredups\fP.
+A value of
+.IR erasedups
+causes all previous lines matching the current line to be removed from
+the history list before that line is saved.
+Any value not in the above list is ignored.
+If \fBHISTCONTROL\fP is unset, or does not include a valid value,
+all lines read by the shell parser are saved on the history list,
+subject to the value of
+.BR HISTIGNORE .
+The second and subsequent lines of a multi-line compound command are
+not tested, and are added to the history regardless of the value of
+.BR HISTCONTROL .
+.TP
+.B HISTFILE
+The name of the file in which command history is saved (see
+.SM
+.B HISTORY
+below). The default value is \fI~/.bash_history\fP. If unset, the
+command history is not saved when an interactive shell exits.
+.TP
+.B HISTFILESIZE
+The maximum number of lines contained in the history file. When this
+variable is assigned a value, the history file is truncated, if
+necessary, by removing the oldest entries,
+to contain no more than that number of lines. The default
+value is 500. The history file is also truncated to this size after
+writing it when an interactive shell exits.
+.TP
+.B HISTIGNORE
+A colon-separated list of patterns used to decide which command lines
+should be saved on the history list. Each pattern is anchored at the
+beginning of the line and must match the complete line (no implicit
+`\fB*\fP' is appended). Each pattern is tested against the line
+after the checks specified by
+.B HISTCONTROL
+are applied.
+In addition to the normal shell pattern matching characters, `\fB&\fP'
+matches the previous history line. `\fB&\fP' may be escaped using a
+backslash; the backslash is removed before attempting a match.
+The second and subsequent lines of a multi-line compound command are
+not tested, and are added to the history regardless of the value of
+.BR HISTIGNORE .
+.TP
+.B HISTSIZE
+The number of commands to remember in the command history (see
+.SM
+.B HISTORY
+below). The default value is 500.
+.TP
+.B HISTTIMEFORMAT
+If this variable is set and not null, its value is used as a format string
+for \fIstrftime\fP(3) to print the time stamp associated with each history
+entry displayed by the \fBhistory\fP builtin.
+If this variable is set, time stamps are written to the history file so
+they may be preserved across shell sessions.
+This uses the history comment character to distinguish timestamps from
+other history lines.
+.TP
+.B HOME
+The home directory of the current user; the default argument for the
+\fBcd\fP builtin command.
+The value of this variable is also used when performing tilde expansion.
+.TP
+.B HOSTFILE
+Contains the name of a file in the same format as
+.FN /etc/hosts
+that should be read when the shell needs to complete a
+hostname.
+The list of possible hostname completions may be changed while the
+shell is running;
+the next time hostname completion is attempted after the
+value is changed,
+.B bash
+adds the contents of the new file to the existing list.
+If
+.SM
+.B HOSTFILE
+is set, but has no value, \fBbash\fP attempts to read
+.FN /etc/hosts
+to obtain the list of possible hostname completions.
+When
+.SM
+.B HOSTFILE
+is unset, the hostname list is cleared.
+.TP
+.B IFS
+The
+.I Internal Field Separator
+that is used
+for word splitting after expansion and to
+split lines into words with the
+.B read
+builtin command. The default value is
+``<space><tab><newline>''.
+.TP
+.B IGNOREEOF
+Controls the
+action of an interactive shell on receipt of an
+.SM
+.B EOF
+character as the sole input. If set, the value is the number of
+consecutive
+.SM
+.B EOF
+characters which must be
+typed as the first characters on an input line before
+.B bash
+exits. If the variable exists but does not have a numeric value, or
+has no value, the default value is 10. If it does not exist,
+.SM
+.B EOF
+signifies the end of input to the shell.
+.TP
+.B INPUTRC
+The filename for the
+.B readline
+startup file, overriding the default of
+.FN ~/.inputrc
+(see
+.SM
+.B READLINE
+below).
+.TP
+.B LANG
+Used to determine the locale category for any category not specifically
+selected with a variable starting with \fBLC_\fP.
+.TP
+.B LC_ALL
+This variable overrides the value of \fBLANG\fP and any other
+\fBLC_\fP variable specifying a locale category.
+.TP
+.B LC_COLLATE
+This variable determines the collation order used when sorting the
+results of pathname expansion, and determines the behavior of range
+expressions, equivalence classes, and collating sequences within
+pathname expansion and pattern matching.
+.TP
+.B LC_CTYPE
+This variable determines the interpretation of characters and the
+behavior of character classes within pathname expansion and pattern
+matching.
+.TP
+.B LC_MESSAGES
+This variable determines the locale used to translate double-quoted
+strings preceded by a \fB$\fP.
+.TP
+.B LC_NUMERIC
+This variable determines the locale category used for number formatting.
+.TP
+.B LINES
+Used by the \fBselect\fP builtin command to determine the column length
+for printing selection lists. Automatically set upon receipt of a SIGWINCH.
+.TP
+.B MAIL
+If this parameter is set to a file name and the
+.SM
+.B MAILPATH
+variable is not set,
+.B bash
+informs the user of the arrival of mail in the specified file.
+.TP
+.B MAILCHECK
+Specifies how
+often (in seconds)
+.B bash
+checks for mail. The default is 60 seconds. When it is time to check
+for mail, the shell does so before displaying the primary prompt.
+If this variable is unset, or set to a value that is not a number
+greater than or equal to zero, the shell disables mail checking.
+.TP
+.B MAILPATH
+A colon-separated list of file names to be checked for mail.
+The message to be printed when mail arrives in a particular file
+may be specified by separating the file name from the message with a `?'.
+When used in the text of the message, \fB$_\fP expands to the name of
+the current mailfile.
+Example:
+.RS
+.PP
+\fBMAILPATH\fP=\(aq/var/mail/bfox?"You have mail":~/shell\-mail?"$_ has mail!"\(aq
+.PP
+.B Bash
+supplies a default value for this variable, but the location of the user
+mail files that it uses is system dependent (e.g., /var/mail/\fB$USER\fP).
+.RE
+.TP
+.B OPTERR
+If set to the value 1,
+.B bash
+displays error messages generated by the
+.B getopts
+builtin command (see
+.SM
+.B SHELL BUILTIN COMMANDS
+below).
+.SM
+.B OPTERR
+is initialized to 1 each time the shell is invoked or a shell
+script is executed.
+.TP
+.B PATH
+The search path for commands. It
+is a colon-separated list of directories in which
+the shell looks for commands (see
+.SM
+.B COMMAND EXECUTION
+below).
+A zero-length (null) directory name in the value of \fBPATH\fP indicates the
+current directory.
+A null directory name may appear as two adjacent colons, or as an initial
+or trailing colon.
+The default path is system-dependent,
+and is set by the administrator who installs
+.BR bash .
+A common value is
+.if t \f(CW/usr/gnu/bin:/usr/local/bin:/usr/ucb:/bin:/usr/bin\fP.
+.if n ``/usr/gnu/bin:/usr/local/bin:/usr/ucb:/bin:/usr/bin''.
+.TP
+.B POSIXLY_CORRECT
+If this variable is in the environment when \fBbash\fP starts, the shell
+enters \fIposix mode\fP before reading the startup files, as if the
+.B \-\-posix
+invocation option had been supplied. If it is set while the shell is
+running, \fBbash\fP enables \fIposix mode\fP, as if the command
+.if t \f(CWset -o posix\fP
+.if n \fIset -o posix\fP
+had been executed.
+.TP
+.B PROMPT_COMMAND
+If set, the value is executed as a command prior to issuing each primary
+prompt.
+.TP
+.B PROMPT_DIRTRIM
+If set to a number greater than zero, the value is used as the number of
+trailing directory components to retain when expanding the \fB\ew\fP and
+\fB\eW\fP prompt string escapes (see
+.SM
+.B PROMPTING
+below). Characters removed are replaced with an ellipsis.
+.TP
+.B PS1
+The value of this parameter is expanded (see
+.SM
+.B PROMPTING
+below) and used as the primary prompt string. The default value is
+``\fB\es\-\ev\e$ \fP''.
+.TP
+.B PS2
+The value of this parameter is expanded as with
+.B PS1
+and used as the secondary prompt string. The default is
+``\fB> \fP''.
+.TP
+.B PS3
+The value of this parameter is used as the prompt for the
+.B select
+command (see
+.SM
+.B SHELL GRAMMAR
+above).
+.TP
+.B PS4
+The value of this parameter is expanded as with
+.B PS1
+and the value is printed before each command
+.B bash
+displays during an execution trace. The first character of
+.SM
+.B PS4
+is replicated multiple times, as necessary, to indicate multiple
+levels of indirection. The default is ``\fB+ \fP''.
+.TP
+.B SHELL
+The full pathname to the shell is kept in this environment variable.
+If it is not set when the shell starts,
+.B bash
+assigns to it the full pathname of the current user's login shell.
+.TP
+.B TIMEFORMAT
+The value of this parameter is used as a format string specifying
+how the timing information for pipelines prefixed with the
+.B time
+reserved word should be displayed.
+The \fB%\fP character introduces an escape sequence that is
+expanded to a time value or other information.
+The escape sequences and their meanings are as follows; the
+braces denote optional portions.
+.sp .5
+.RS
+.PD 0
+.TP 10
+.B %%
+A literal \fB%\fP.
+.TP
+.B %[\fIp\fP][l]R
+The elapsed time in seconds.
+.TP
+.B %[\fIp\fP][l]U
+The number of CPU seconds spent in user mode.
+.TP
+.B %[\fIp\fP][l]S
+The number of CPU seconds spent in system mode.
+.TP
+.B %P
+The CPU percentage, computed as (%U + %S) / %R.
+.PD
+.RE
+.IP
+The optional \fIp\fP is a digit specifying the \fIprecision\fP,
+the number of fractional digits after a decimal point.
+A value of 0 causes no decimal point or fraction to be output.
+At most three places after the decimal point may be specified;
+values of \fIp\fP greater than 3 are changed to 3.
+If \fIp\fP is not specified, the value 3 is used.
+.IP
+The optional \fBl\fP specifies a longer format, including
+minutes, of the form \fIMM\fPm\fISS\fP.\fIFF\fPs.
+The value of \fIp\fP determines whether or not the fraction is
+included.
+.IP
+If this variable is not set, \fBbash\fP acts as if it had the
+value \fB$\(aq\enreal\et%3lR\enuser\et%3lU\ensys\t%3lS\(aq\fP.
+If the value is null, no timing information is displayed.
+A trailing newline is added when the format string is displayed.
+.TP
+.B TMOUT
+If set to a value greater than zero, \fBTMOUT\fP is treated as the
+default timeout for the \fBread\fP builtin.
+The \fBselect\fP command terminates if input does not arrive
+after \fBTMOUT\fP seconds when input is coming from a terminal.
+In an interactive shell, the value is interpreted as the
+number of seconds to wait for input after issuing the primary prompt.
+.B Bash
+terminates after waiting for that number of seconds if input does
+not arrive.
+.TP
+.B TMPDIR
+If set, \fBBash\fP uses its value as the name of a directory in which
+\fBBash\fP creates temporary files for the shell's use.
+.TP
+.B auto_resume
+This variable controls how the shell interacts with the user and
+job control. If this variable is set, single word simple
+commands without redirections are treated as candidates for resumption
+of an existing stopped job. There is no ambiguity allowed; if there is
+more than one job beginning with the string typed, the job most recently
+accessed is selected. The
+.I name
+of a stopped job, in this context, is the command line used to
+start it.
+If set to the value
+.IR exact ,
+the string supplied must match the name of a stopped job exactly;
+if set to
+.IR substring ,
+the string supplied needs to match a substring of the name of a
+stopped job. The
+.I substring
+value provides functionality analogous to the
+.B %?
+job identifier (see
+.SM
+.B JOB CONTROL
+below). If set to any other value, the supplied string must
+be a prefix of a stopped job's name; this provides functionality
+analogous to the \fB%\fP\fIstring\fP job identifier.
+.TP
+.B histchars
+The two or three characters which control history expansion
+and tokenization (see
+.SM
+.B HISTORY EXPANSION
+below). The first character is the \fIhistory expansion\fP character,
+the character which signals the start of a history
+expansion, normally `\fB!\fP'.
+The second character is the \fIquick substitution\fP
+character, which is used as shorthand for re-running the previous
+command entered, substituting one string for another in the command.
+The default is `\fB^\fP'.
+The optional third character is the character
+which indicates that the remainder of the line is a comment when found
+as the first character of a word, normally `\fB#\fP'. The history
+comment character causes history substitution to be skipped for the
+remaining words on the line. It does not necessarily cause the shell
+parser to treat the rest of the line as a comment.
+.PD
+.SS Arrays
+.B Bash
+provides one-dimensional indexed and associative array variables.
+Any variable may be used as an indexed array; the
+.B declare
+builtin will explicitly declare an array.
+There is no maximum
+limit on the size of an array, nor any requirement that members
+be indexed or assigned contiguously.
+Indexed arrays are referenced using integers (including arithmetic
+expressions) and are zero-based; associative arrays are referenced
+using arbitrary strings.
+.PP
+An indexed array is created automatically if any variable is assigned to
+using the syntax \fIname\fP[\fIsubscript\fP]=\fIvalue\fP. The
+.I subscript
+is treated as an arithmetic expression that must evaluate to a number
+greater than or equal to zero. To explicitly declare an indexed array,
+use
+.B declare \-a \fIname\fP
+(see
+.SM
+.B SHELL BUILTIN COMMANDS
+below).
+.B declare \-a \fIname\fP[\fIsubscript\fP]
+is also accepted; the \fIsubscript\fP is ignored.
+.PP
+Associative arrays are created using
+.BR "declare \-A \fIname\fP" .
+.PP
+Attributes may be
+specified for an array variable using the
+.B declare
+and
+.B readonly
+builtins. Each attribute applies to all members of an array.
+.PP
+Arrays are assigned to using compound assignments of the form
+\fIname\fP=\fB(\fPvalue\fI1\fP ... value\fIn\fP\fB)\fP, where each
+\fIvalue\fP is of the form [\fIsubscript\fP]=\fIstring\fP.
+Indexed array assignments do not require the bracket and subscript.
+When assigning to indexed arrays, if the optional brackets and subscript
+are supplied, that index is assigned to;
+otherwise the index of the element assigned is the last index assigned
+to by the statement plus one. Indexing starts at zero.
+.PP
+When assigning to an associative array, the subscript is required.
+.PP
+This syntax is also accepted by the
+.B declare
+builtin. Individual array elements may be assigned to using the
+\fIname\fP[\fIsubscript\fP]=\fIvalue\fP syntax introduced above.
+.PP
+Any element of an array may be referenced using
+${\fIname\fP[\fIsubscript\fP]}. The braces are required to avoid
+conflicts with pathname expansion. If
+\fIsubscript\fP is \fB@\fP or \fB*\fP, the word expands to
+all members of \fIname\fP. These subscripts differ only when the
+word appears within double quotes. If the word is double-quoted,
+${\fIname\fP[*]} expands to a single
+word with the value of each array member separated by the first
+character of the
+.SM
+.B IFS
+special variable, and ${\fIname\fP[@]} expands each element of
+\fIname\fP to a separate word. When there are no array members,
+${\fIname\fP[@]} expands to nothing.
+If the double-quoted expansion occurs within a word, the expansion of
+the first parameter is joined with the beginning part of the original
+word, and the expansion of the last parameter is joined with the last
+part of the original word.
+This is analogous to the expansion
+of the special parameters \fB*\fP and \fB@\fP (see
+.B Special Parameters
+above). ${#\fIname\fP[\fIsubscript\fP]} expands to the length of
+${\fIname\fP[\fIsubscript\fP]}. If \fIsubscript\fP is \fB*\fP or
+\fB@\fP, the expansion is the number of elements in the array.
+Referencing an array variable without a subscript is equivalent to
+referencing the array with a subscript of 0.
+.PP
+The
+.B unset
+builtin is used to destroy arrays. \fBunset\fP \fIname\fP[\fIsubscript\fP]
+destroys the array element at index \fIsubscript\fP.
+Care must be taken to avoid unwanted side effects caused by filename
+generation.
+\fBunset\fP \fIname\fP, where \fIname\fP is an array, or
+\fBunset\fP \fIname\fP[\fIsubscript\fP], where
+\fIsubscript\fP is \fB*\fP or \fB@\fP, removes the entire array.
+.PP
+The
+.BR declare ,
+.BR local ,
+and
+.B readonly
+builtins each accept a
+.B \-a
+option to specify an indexed array and a
+.B \-A
+option to specify an associative array.
+The
+.B read
+builtin accepts a
+.B \-a
+option to assign a list of words read from the standard input
+to an array. The
+.B set
+and
+.B declare
+builtins display array values in a way that allows them to be
+reused as assignments.
+.SH EXPANSION
+Expansion is performed on the command line after it has been split into
+words. There are seven kinds of expansion performed:
+.IR "brace expansion" ,
+.IR "tilde expansion" ,
+.IR "parameter and variable expansion" ,
+.IR "command substitution" ,
+.IR "arithmetic expansion" ,
+.IR "word splitting" ,
+and
+.IR "pathname expansion" .
+.PP
+The order of expansions is: brace expansion, tilde expansion,
+parameter, variable and arithmetic expansion and
+command substitution
+(done in a left-to-right fashion), word splitting, and pathname
+expansion.
+.PP
+On systems that can support it, there is an additional expansion
+available: \fIprocess substitution\fP.
+.PP
+Only brace expansion, word splitting, and pathname expansion
+can change the number of words of the expansion; other expansions
+expand a single word to a single word.
+The only exceptions to this are the expansions of
+"\fB$@\fP" and "\fB${\fP\fIname\fP\fB[@]}\fP"
+as explained above (see
+.SM
+.BR PARAMETERS ).
+.SS Brace Expansion
+.PP
+.I "Brace expansion"
+is a mechanism by which arbitrary strings
+may be generated. This mechanism is similar to
+\fIpathname expansion\fP, but the filenames generated
+need not exist. Patterns to be brace expanded take
+the form of an optional
+.IR preamble ,
+followed by either a series of comma-separated strings or
+a sequence expression between a pair of braces, followed by
+an optional
+.IR postscript .
+The preamble is prefixed to each string contained
+within the braces, and the postscript is then appended
+to each resulting string, expanding left to right.
+.PP
+Brace expansions may be nested. The results of each expanded
+string are not sorted; left to right order is preserved.
+For example, a\fB{\fPd,c,b\fB}\fPe expands into `ade ace abe'.
+.PP
+A sequence expression takes the form
+\fB{\fP\fIx\fP\fB..\fP\fIy\fP\fB[..\fP\fIincr\fP\fB]}\fP,
+where \fIx\fP and \fIy\fP are either integers or single characters,
+and \fIincr\fP, an optional increment, is an integer.
+When integers are supplied, the expression expands to each number between
+\fIx\fP and \fIy\fP, inclusive.
+Supplied integers may be prefixed with \fI0\fP to force each term to have the
+same width. When either \fIx\fP or \fPy\fP begins with a zero, the shell
+attempts to force all generated terms to contain the same number of digits,
+zero-padding where necessary.
+When characters are supplied, the expression expands to each character
+lexicographically between \fIx\fP and \fIy\fP, inclusive. Note that
+both \fIx\fP and \fIy\fP must be of the same type.
+When the increment is supplied, it is used as the difference between
+each term. The default increment is 1 or -1 as appropriate.
+.PP
+Brace expansion is performed before any other expansions,
+and any characters special to other expansions are preserved
+in the result. It is strictly textual.
+.B Bash
+does not apply any syntactic interpretation to the context of the
+expansion or the text between the braces.
+.PP
+A correctly-formed brace expansion must contain unquoted opening
+and closing braces, and at least one unquoted comma or a valid
+sequence expression.
+Any incorrectly formed brace expansion is left unchanged.
+A \fB{\fP or \fB,\fP may be quoted with a backslash to prevent its
+being considered part of a brace expression.
+To avoid conflicts with parameter expansion, the string \fB${\fP
+is not considered eligible for brace expansion.
+.PP
+This construct is typically used as shorthand when the common
+prefix of the strings to be generated is longer than in the
+above example:
+.RS
+.PP
+mkdir /usr/local/src/bash/{old,new,dist,bugs}
+.RE
+or
+.RS
+chown root /usr/{ucb/{ex,edit},lib/{ex?.?*,how_ex}}
+.RE
+.PP
+Brace expansion introduces a slight incompatibility with
+historical versions of
+.BR sh .
+.B sh
+does not treat opening or closing braces specially when they
+appear as part of a word, and preserves them in the output.
+.B Bash
+removes braces from words as a consequence of brace
+expansion. For example, a word entered to
+.B sh
+as \fIfile{1,2}\fP
+appears identically in the output. The same word is
+output as
+.I file1 file2
+after expansion by
+.BR bash .
+If strict compatibility with
+.B sh
+is desired, start
+.B bash
+with the
+.B +B
+option or disable brace expansion with the
+.B +B
+option to the
+.B set
+command (see
+.SM
+.B SHELL BUILTIN COMMANDS
+below).
+.SS Tilde Expansion
+.PP
+If a word begins with an unquoted tilde character (`\fB~\fP'), all of
+the characters preceding the first unquoted slash (or all characters,
+if there is no unquoted slash) are considered a \fItilde-prefix\fP.
+If none of the characters in the tilde-prefix are quoted, the
+characters in the tilde-prefix following the tilde are treated as a
+possible \fIlogin name\fP.
+If this login name is the null string, the tilde is replaced with the
+value of the shell parameter
+.SM
+.BR HOME .
+If
+.SM
+.B HOME
+is unset, the home directory of the user executing the shell is
+substituted instead.
+Otherwise, the tilde-prefix is replaced with the home directory
+associated with the specified login name.
+.PP
+If the tilde-prefix is a `~+', the value of the shell variable
+.SM
+.B PWD
+replaces the tilde-prefix.
+If the tilde-prefix is a `~\-', the value of the shell variable
+.SM
+.BR OLDPWD ,
+if it is set, is substituted.
+If the characters following the tilde in the tilde-prefix consist
+of a number \fIN\fP, optionally prefixed
+by a `+' or a `\-', the tilde-prefix is replaced with the corresponding
+element from the directory stack, as it would be displayed by the
+.B dirs
+builtin invoked with the tilde-prefix as an argument.
+If the characters following the tilde in the tilde-prefix consist of a
+number without a leading `+' or `\-', `+' is assumed.
+.PP
+If the login name is invalid, or the tilde expansion fails, the word
+is unchanged.
+.PP
+Each variable assignment is checked for unquoted tilde-prefixes immediately
+following a
+.B :
+or the first
+.BR = .
+In these cases, tilde expansion is also performed.
+Consequently, one may use file names with tildes in assignments to
+.SM
+.BR PATH ,
+.SM
+.BR MAILPATH ,
+and
+.SM
+.BR CDPATH ,
+and the shell assigns the expanded value.
+.SS Parameter Expansion
+.PP
+The `\fB$\fP' character introduces parameter expansion,
+command substitution, or arithmetic expansion. The parameter name
+or symbol to be expanded may be enclosed in braces, which
+are optional but serve to protect the variable to be expanded from
+characters immediately following it which could be
+interpreted as part of the name.
+.PP
+When braces are used, the matching ending brace is the first `\fB}\fP'
+not escaped by a backslash or within a quoted string, and not within an
+embedded arithmetic expansion, command substitution, or parameter
+expansion.
+.PP
+.PD 0
+.TP
+${\fIparameter\fP}
+The value of \fIparameter\fP is substituted. The braces are required
+when
+.I parameter
+is a positional parameter with more than one digit,
+or when
+.I parameter
+is followed by a character which is not to be
+interpreted as part of its name.
+.PD
+.PP
+If the first character of \fIparameter\fP is an exclamation point,
+a level of variable indirection is introduced.
+\fBBash\fP uses the value of the variable formed from the rest of
+\fIparameter\fP as the name of the variable; this variable is then
+expanded and that value is used in the rest of the substitution, rather
+than the value of \fIparameter\fP itself.
+This is known as \fIindirect expansion\fP.
+The exceptions to this are the expansions of ${!\fIprefix\fP*} and
+${\fB!\fP\fIname\fP[\fI@\fP]} described below.
+The exclamation point must immediately follow the left brace in order to
+introduce indirection.
+.PP
+In each of the cases below, \fIword\fP is subject to tilde expansion,
+parameter expansion, command substitution, and arithmetic expansion.
+.PP
+When not performing substring expansion, using the forms documented below,
+\fBbash\fP tests for a parameter that is unset or null. Omitting the colon
+results in a test only for a parameter that is unset.
+.PP
+.PD 0
+.TP
+${\fIparameter\fP\fB:\-\fP\fIword\fP}
+\fBUse Default Values\fP. If
+.I parameter
+is unset or null, the expansion of
+.I word
+is substituted. Otherwise, the value of
+.I parameter
+is substituted.
+.TP
+${\fIparameter\fP\fB:=\fP\fIword\fP}
+\fBAssign Default Values\fP.
+If
+.I parameter
+is unset or null, the expansion of
+.I word
+is assigned to
+.IR parameter .
+The value of
+.I parameter
+is then substituted. Positional parameters and special parameters may
+not be assigned to in this way.
+.TP
+${\fIparameter\fP\fB:?\fP\fIword\fP}
+\fBDisplay Error if Null or Unset\fP.
+If
+.I parameter
+is null or unset, the expansion of \fIword\fP (or a message to that effect
+if
+.I word
+is not present) is written to the standard error and the shell, if it
+is not interactive, exits. Otherwise, the value of \fIparameter\fP is
+substituted.
+.TP
+${\fIparameter\fP\fB:+\fP\fIword\fP}
+\fBUse Alternate Value\fP.
+If
+.I parameter
+is null or unset, nothing is substituted, otherwise the expansion of
+.I word
+is substituted.
+.TP
+${\fIparameter\fP\fB:\fP\fIoffset\fP}
+.PD 0
+.TP
+${\fIparameter\fP\fB:\fP\fIoffset\fP\fB:\fP\fIlength\fP}
+.PD
+\fBSubstring Expansion.\fP
+Expands to up to \fIlength\fP characters of \fIparameter\fP
+starting at the character specified by \fIoffset\fP.
+If \fIlength\fP is omitted, expands to the substring of
+\fIparameter\fP starting at the character specified by \fIoffset\fP.
+\fIlength\fP and \fIoffset\fP are arithmetic expressions (see
+.SM
+.B
+ARITHMETIC EVALUATION
+below).
+\fIlength\fP must evaluate to a number greater than or equal to zero.
+If \fIoffset\fP evaluates to a number less than zero, the value
+is used as an offset from the end of the value of \fIparameter\fP.
+If \fIparameter\fP is \fB@\fP, the result is \fIlength\fP positional
+parameters beginning at \fIoffset\fP.
+If \fIparameter\fP is an indexed array name subscripted by @ or *,
+the result is the \fIlength\fP
+members of the array beginning with ${\fIparameter\fP[\fIoffset\fP]}.
+A negative \fIoffset\fP is taken relative to one greater than the maximum
+index of the specified array.
+Substring expansion applied to an associative array produces undefined
+results.
+Note that a negative offset must be separated from the colon by at least
+one space to avoid being confused with the :- expansion.
+Substring indexing is zero-based unless the positional parameters
+are used, in which case the indexing starts at 1 by default.
+If \fIoffset\fP is 0, and the positional parameters are used, \fB$0\fP is
+prefixed to the list.
+.TP
+${\fB!\fP\fIprefix\fP\fB*\fP}
+.PD 0
+.TP
+${\fB!\fP\fIprefix\fP\fB@\fP}
+.PD
+\fBNames matching prefix.\fP
+Expands to the names of variables whose names begin with \fIprefix\fP,
+separated by the first character of the
+.SM
+.B IFS
+special variable.
+When \fI@\fP is used and the expansion appears within double quotes, each
+variable name expands to a separate word.
+.TP
+${\fB!\fP\fIname\fP[\fI@\fP]}
+.PD 0
+.TP
+${\fB!\fP\fIname\fP[\fI*\fP]}
+.PD
+\fBList of array keys.\fP
+If \fIname\fP is an array variable, expands to the list of array indices
+(keys) assigned in \fIname\fP.
+If \fIname\fP is not an array, expands to 0 if \fIname\fP is set and null
+otherwise.
+When \fI@\fP is used and the expansion appears within double quotes, each
+key expands to a separate word.
+.TP
+${\fB#\fP\fIparameter\fP}
+\fBParameter length.\fP
+The length in characters of the value of \fIparameter\fP is substituted.
+If
+.I parameter
+is
+.B *
+or
+.BR @ ,
+the value substituted is the number of positional parameters.
+If
+.I parameter
+is an array name subscripted by
+.B *
+or
+.BR @ ,
+the value substituted is the number of elements in the array.
+.TP
+${\fIparameter\fP\fB#\fP\fIword\fP}
+.PD 0
+.TP
+${\fIparameter\fP\fB##\fP\fIword\fP}
+.PD
+\fBRemove matching prefix pattern.\fP
+The
+.I word
+is expanded to produce a pattern just as in pathname
+expansion. If the pattern matches the beginning of
+the value of
+.IR parameter ,
+then the result of the expansion is the expanded value of
+.I parameter
+with the shortest matching pattern (the ``\fB#\fP'' case) or the
+longest matching pattern (the ``\fB##\fP'' case) deleted.
+If
+.I parameter
+is
+.B @
+or
+.BR * ,
+the pattern removal operation is applied to each positional
+parameter in turn, and the expansion is the resultant list.
+If
+.I parameter
+is an array variable subscripted with
+.B @
+or
+.BR * ,
+the pattern removal operation is applied to each member of the
+array in turn, and the expansion is the resultant list.
+.TP
+${\fIparameter\fP\fB%\fP\fIword\fP}
+.PD 0
+.TP
+${\fIparameter\fP\fB%%\fP\fIword\fP}
+.PD
+\fBRemove matching suffix pattern.\fP
+The \fIword\fP is expanded to produce a pattern just as in
+pathname expansion.
+If the pattern matches a trailing portion of the expanded value of
+.IR parameter ,
+then the result of the expansion is the expanded value of
+.I parameter
+with the shortest matching pattern (the ``\fB%\fP'' case) or the
+longest matching pattern (the ``\fB%%\fP'' case) deleted.
+If
+.I parameter
+is
+.B @
+or
+.BR * ,
+the pattern removal operation is applied to each positional
+parameter in turn, and the expansion is the resultant list.
+If
+.I parameter
+is an array variable subscripted with
+.B @
+or
+.BR * ,
+the pattern removal operation is applied to each member of the
+array in turn, and the expansion is the resultant list.
+.TP
+${\fIparameter\fP\fB/\fP\fIpattern\fP\fB/\fP\fIstring\fP}
+\fBPattern substitution.\fP
+The \fIpattern\fP is expanded to produce a pattern just as in
+pathname expansion.
+\fIParameter\fP is expanded and the longest match of \fIpattern\fP
+against its value is replaced with \fIstring\fP.
+If \fIpattern\fP begins with \fB/\fP, all matches of \fIpattern\fP are
+replaced with \fIstring\fP. Normally only the first match is replaced.
+If \fIpattern\fP begins with \fB#\fP, it must match at the beginning
+of the expanded value of \fIparameter\fP.
+If \fIpattern\fP begins with \fB%\fP, it must match at the end
+of the expanded value of \fIparameter\fP.
+If \fIstring\fP is null, matches of \fIpattern\fP are deleted
+and the \fB/\fP following \fIpattern\fP may be omitted.
+If
+.I parameter
+is
+.B @
+or
+.BR * ,
+the substitution operation is applied to each positional
+parameter in turn, and the expansion is the resultant list.
+If
+.I parameter
+is an array variable subscripted with
+.B @
+or
+.BR * ,
+the substitution operation is applied to each member of the
+array in turn, and the expansion is the resultant list.
+.TP
+${\fIparameter\fP\fB^\fP\fIpattern\fP}
+.PD 0
+.TP
+${\fIparameter\fP\fB^^\fP\fIpattern\fP}
+.TP
+${\fIparameter\fP\fB,\fP\fIpattern\fP}
+.TP
+${\fIparameter\fP\fB,,\fP\fIpattern\fP}
+.PD
+\fBCase modification.\fP
+This expansion modifies the case of alphabetic characters in \fIparameter\fP.
+The \fIpattern\fP is expanded to produce a pattern just as in
+pathname expansion.
+The \fB^\fP operator converts lowercase letters matching \fIpattern\fP
+to uppercase; the \fB,\fP operator converts matching uppercase letters
+to lowercase.
+The \fB^^\fP and \fB,,\fP expansions convert each matched character in the
+expanded value; the \fB^\fP and \fB,\fP expansions match and convert only
+the first character in the expanded value..
+If \fIpattern\fP is omitted, it is treated like a \fB?\fP, which matches
+every character.
+If
+.I parameter
+is
+.B @
+or
+.BR * ,
+the case modification operation is applied to each positional
+parameter in turn, and the expansion is the resultant list.
+If
+.I parameter
+is an array variable subscripted with
+.B @
+or
+.BR * ,
+the case modification operation is applied to each member of the
+array in turn, and the expansion is the resultant list.
+.SS Command Substitution
+.PP
+\fICommand substitution\fP allows the output of a command to replace
+the command name. There are two forms:
+.PP
+.RS
+.PP
+\fB$(\fP\fIcommand\fP\|\fB)\fP
+.RE
+or
+.RS
+\fB\`\fP\fIcommand\fP\fB\`\fP
+.RE
+.PP
+.B Bash
+performs the expansion by executing \fIcommand\fP and
+replacing the command substitution with the standard output of the
+command, with any trailing newlines deleted.
+Embedded newlines are not deleted, but they may be removed during
+word splitting.
+The command substitution \fB$(cat \fIfile\fP)\fR can be replaced by
+the equivalent but faster \fB$(< \fIfile\fP)\fR.
+.PP
+When the old-style backquote form of substitution is used,
+backslash retains its literal meaning except when followed by
+.BR $ ,
+.BR \` ,
+or
+.BR \e .
+The first backquote not preceded by a backslash terminates the
+command substitution.
+When using the $(\^\fIcommand\fP\|) form, all characters between the
+parentheses make up the command; none are treated specially.
+.PP
+Command substitutions may be nested. To nest when using the backquoted form,
+escape the inner backquotes with backslashes.
+.PP
+If the substitution appears within double quotes, word splitting and
+pathname expansion are not performed on the results.
+.SS Arithmetic Expansion
+.PP
+Arithmetic expansion allows the evaluation of an arithmetic expression
+and the substitution of the result. The format for arithmetic expansion is:
+.RS
+.PP
+\fB$((\fP\fIexpression\fP\fB))\fP
+.RE
+.PP
+The
+.I expression
+is treated as if it were within double quotes, but a double quote
+inside the parentheses is not treated specially.
+All tokens in the expression undergo parameter expansion, string
+expansion, command substitution, and quote removal.
+Arithmetic expansions may be nested.
+.PP
+The evaluation is performed according to the rules listed below under
+.SM
+.BR "ARITHMETIC EVALUATION" .
+If
+.I expression
+is invalid,
+.B bash
+prints a message indicating failure and no substitution occurs.
+.SS Process Substitution
+.PP
+\fIProcess substitution\fP is supported on systems that support named
+pipes (\fIFIFOs\fP) or the \fB/dev/fd\fP method of naming open files.
+It takes the form of
+\fB<(\fP\fIlist\^\fP\fB)\fP
+or
+\fB>(\fP\fIlist\^\fP\fB)\fP.
+The process \fIlist\fP is run with its input or output connected to a
+\fIFIFO\fP or some file in \fB/dev/fd\fP. The name of this file is
+passed as an argument to the current command as the result of the
+expansion. If the \fB>(\fP\fIlist\^\fP\fB)\fP form is used, writing to
+the file will provide input for \fIlist\fP. If the
+\fB<(\fP\fIlist\^\fP\fB)\fP form is used, the file passed as an
+argument should be read to obtain the output of \fIlist\fP.
+.PP
+When available, process substitution is performed
+simultaneously with parameter and variable expansion,
+command substitution,
+and arithmetic expansion.
+.SS Word Splitting
+.PP
+The shell scans the results of
+parameter expansion,
+command substitution,
+and
+arithmetic expansion
+that did not occur within double quotes for
+.IR "word splitting" .
+.PP
+The shell treats each character of
+.SM
+.B IFS
+as a delimiter, and splits the results of the other
+expansions into words on these characters. If
+.SM
+.B IFS
+is unset, or its
+value is exactly
+.BR <space><tab><newline> ,
+the default, then
+sequences of
+.BR <space> ,
+.BR <tab> ,
+and
+.B <newline>
+at the beginning and end of the results of the previous
+expansions are ignored, and
+any sequence of
+.SM
+.B IFS
+characters not at the beginning or end serves to delimit words.
+If
+.SM
+.B IFS
+has a value other than the default, then sequences of
+the whitespace characters
+.B space
+and
+.B tab
+are ignored at the beginning and end of the
+word, as long as the whitespace character is in the
+value of
+.SM
+.BR IFS
+(an
+.SM
+.B IFS
+whitespace character).
+Any character in
+.SM
+.B IFS
+that is not
+.SM
+.B IFS
+whitespace, along with any adjacent
+.SM
+.B IFS
+whitespace characters, delimits a field.
+A sequence of
+.SM
+.B IFS
+whitespace characters is also treated as a delimiter.
+If the value of
+.SM
+.B IFS
+is null, no word splitting occurs.
+.PP
+Explicit null arguments (\^\f3"\^"\fP or \^\f3\(aq\^\(aq\fP\^) are retained.
+Unquoted implicit null arguments, resulting from the expansion of
+parameters that have no values, are removed.
+If a parameter with no value is expanded within double quotes, a
+null argument results and is retained.
+.PP
+Note that if no expansion occurs, no splitting
+is performed.
+.SS Pathname Expansion
+.PP
+After word splitting,
+unless the
+.B \-f
+option has been set,
+.B bash
+scans each word for the characters
+.BR * ,
+.BR ? ,
+and
+.BR [ .
+If one of these characters appears, then the word is
+regarded as a
+.IR pattern ,
+and replaced with an alphabetically sorted list of
+file names matching the pattern.
+If no matching file names are found,
+and the shell option
+.B nullglob
+is not enabled, the word is left unchanged.
+If the
+.B nullglob
+option is set, and no matches are found,
+the word is removed.
+If the
+.B failglob
+shell option is set, and no matches are found, an error message
+is printed and the command is not executed.
+If the shell option
+.B nocaseglob
+is enabled, the match is performed without regard to the case
+of alphabetic characters.
+When a pattern is used for pathname expansion,
+the character
+.B ``.''
+at the start of a name or immediately following a slash
+must be matched explicitly, unless the shell option
+.B dotglob
+is set.
+When matching a pathname, the slash character must always be
+matched explicitly.
+In other cases, the
+.B ``.''
+character is not treated specially.
+See the description of
+.B shopt
+below under
+.SM
+.B SHELL BUILTIN COMMANDS
+for a description of the
+.BR nocaseglob ,
+.BR nullglob ,
+.BR failglob ,
+and
+.B dotglob
+shell options.
+.PP
+The
+.SM
+.B GLOBIGNORE
+shell variable may be used to restrict the set of file names matching a
+.IR pattern .
+If
+.SM
+.B GLOBIGNORE
+is set, each matching file name that also matches one of the patterns in
+.SM
+.B GLOBIGNORE
+is removed from the list of matches.
+The file names
+.B ``.''
+and
+.B ``..''
+are always ignored when
+.SM
+.B GLOBIGNORE
+is set and not null. However, setting
+.SM
+.B GLOBIGNORE
+to a non-null value has the effect of enabling the
+.B dotglob
+shell option, so all other file names beginning with a
+.B ``.''
+will match.
+To get the old behavior of ignoring file names beginning with a
+.BR ``.'' ,
+make
+.B ``.*''
+one of the patterns in
+.SM
+.BR GLOBIGNORE .
+The
+.B dotglob
+option is disabled when
+.SM
+.B GLOBIGNORE
+is unset.
+.PP
+\fBPattern Matching\fP
+.PP
+Any character that appears in a pattern, other than the special pattern
+characters described below, matches itself. The NUL character may not
+occur in a pattern. A backslash escapes the following character; the
+escaping backslash is discarded when matching.
+The special pattern characters must be quoted if
+they are to be matched literally.
+.PP
+The special pattern characters have the following meanings:
+.PP
+.PD 0
+.TP
+.B *
+Matches any string, including the null string.
+When the \fBglobstar\fP shell option is enabled, and \fB*\fP is used in
+a pathname expansion context, two adjacent \fB*\fPs used as a single
+pattern will match all files and zero or more directories and
+subdirectories.
+If followed by a \fB/\fP, two adjacent \fB*\fPs will match only directories
+and subdirectories.
+.TP
+.B ?
+Matches any single character.
+.TP
+.B [...]
+Matches any one of the enclosed characters. A pair of characters
+separated by a hyphen denotes a
+\fIrange expression\fP;
+any character that sorts between those two characters, inclusive,
+using the current locale's collating sequence and character set,
+is matched. If the first character following the
+.B [
+is a
+.B !
+or a
+.B ^
+then any character not enclosed is matched.
+The sorting order of characters in range expressions is determined by
+the current locale and the value of the \fBLC_COLLATE\fP shell variable,
+if set.
+A
+.B \-
+may be matched by including it as the first or last character
+in the set.
+A
+.B ]
+may be matched by including it as the first character
+in the set.
+.br
+.if t .sp 0.5
+.if n .sp 1
+Within
+.B [
+and
+.BR ] ,
+\fIcharacter classes\fP can be specified using the syntax
+\fB[:\fP\fIclass\fP\fB:]\fP, where \fIclass\fP is one of the
+following classes defined in the POSIX standard:
+.PP
+.RS
+.B
+.if n alnum alpha ascii blank cntrl digit graph lower print punct space upper word xdigit
+.if t alnum alpha ascii blank cntrl digit graph lower print punct space upper word xdigit
+.br
+A character class matches any character belonging to that class.
+The \fBword\fP character class matches letters, digits, and the character _.
+.br
+.if t .sp 0.5
+.if n .sp 1
+Within
+.B [
+and
+.BR ] ,
+an \fIequivalence class\fP can be specified using the syntax
+\fB[=\fP\fIc\fP\fB=]\fP, which matches all characters with the
+same collation weight (as defined by the current locale) as
+the character \fIc\fP.
+.br
+.if t .sp 0.5
+.if n .sp 1
+Within
+.B [
+and
+.BR ] ,
+the syntax \fB[.\fP\fIsymbol\fP\fB.]\fP matches the collating symbol
+\fIsymbol\fP.
+.RE
+.PD
+.PP
+If the \fBextglob\fP shell option is enabled using the \fBshopt\fP
+builtin, several extended pattern matching operators are recognized.
+In the following description, a \fIpattern-list\fP is a list of one
+or more patterns separated by a \fB|\fP.
+Composite patterns may be formed using one or more of the following
+sub-patterns:
+.sp 1
+.PD 0
+.RS
+.TP
+\fB?(\fP\^\fIpattern-list\^\fP\fB)\fP
+Matches zero or one occurrence of the given patterns
+.TP
+\fB*(\fP\^\fIpattern-list\^\fP\fB)\fP
+Matches zero or more occurrences of the given patterns
+.TP
+\fB+(\fP\^\fIpattern-list\^\fP\fB)\fP
+Matches one or more occurrences of the given patterns
+.TP
+\fB@(\fP\^\fIpattern-list\^\fP\fB)\fP
+Matches one of the given patterns
+.TP
+\fB!(\fP\^\fIpattern-list\^\fP\fB)\fP
+Matches anything except one of the given patterns
+.RE
+.PD
+.SS Quote Removal
+.PP
+After the preceding expansions, all unquoted occurrences of the
+characters
+.BR \e ,
+.BR \(aq ,
+and \^\f3"\fP\^ that did not result from one of the above
+expansions are removed.
+.SH REDIRECTION
+Before a command is executed, its input and output
+may be
+.I redirected
+using a special notation interpreted by the shell.
+Redirection may also be used to open and close files for the
+current shell execution environment. The following redirection
+operators may precede or appear anywhere within a
+.I simple command
+or may follow a
+.IR command .
+Redirections are processed in the order they appear, from
+left to right.
+.PP
+In the following descriptions, if the file descriptor number is
+omitted, and the first character of the redirection operator is
+.BR < ,
+the redirection refers to the standard input (file descriptor
+0). If the first character of the redirection operator is
+.BR > ,
+the redirection refers to the standard output (file descriptor
+1).
+.PP
+The word following the redirection operator in the following
+descriptions, unless otherwise noted, is subjected to brace expansion,
+tilde expansion, parameter expansion, command substitution, arithmetic
+expansion, quote removal, pathname expansion, and word splitting.
+If it expands to more than one word,
+.B bash
+reports an error.
+.PP
+Note that the order of redirections is significant. For example,
+the command
+.RS
+.PP
+ls \fB>\fP dirlist 2\fB>&\fP1
+.RE
+.PP
+directs both standard output and standard error to the file
+.IR dirlist ,
+while the command
+.RS
+.PP
+ls 2\fB>&\fP1 \fB>\fP dirlist
+.RE
+.PP
+directs only the standard output to file
+.IR dirlist ,
+because the standard error was duplicated from the standard output
+before the standard output was redirected to
+.IR dirlist .
+.PP
+\fBBash\fP handles several filenames specially when they are used in
+redirections, as described in the following table:
+.RS
+.PP
+.PD 0
+.TP
+.B /dev/fd/\fIfd\fP
+If \fIfd\fP is a valid integer, file descriptor \fIfd\fP is duplicated.
+.TP
+.B /dev/stdin
+File descriptor 0 is duplicated.
+.TP
+.B /dev/stdout
+File descriptor 1 is duplicated.
+.TP
+.B /dev/stderr
+File descriptor 2 is duplicated.
+.TP
+.B /dev/tcp/\fIhost\fP/\fIport\fP
+If \fIhost\fP is a valid hostname or Internet address, and \fIport\fP
+is an integer port number or service name, \fBbash\fP attempts to open
+a TCP connection to the corresponding socket.
+.TP
+.B /dev/udp/\fIhost\fP/\fIport\fP
+If \fIhost\fP is a valid hostname or Internet address, and \fIport\fP
+is an integer port number or service name, \fBbash\fP attempts to open
+a UDP connection to the corresponding socket.
+.PD
+.RE
+.PP
+A failure to open or create a file causes the redirection to fail.
+.PP
+Redirections using file descriptors greater than 9 should be used with
+care, as they may conflict with file descriptors the shell uses
+internally.
+.SS Redirecting Input
+.PP
+Redirection of input causes the file whose name results from
+the expansion of
+.I word
+to be opened for reading on file descriptor
+.IR n ,
+or the standard input (file descriptor 0) if
+.I n
+is not specified.
+.PP
+The general format for redirecting input is:
+.RS
+.PP
+[\fIn\fP]\fB<\fP\fIword\fP
+.RE
+.SS Redirecting Output
+.PP
+Redirection of output causes the file whose name results from
+the expansion of
+.I word
+to be opened for writing on file descriptor
+.IR n ,
+or the standard output (file descriptor 1) if
+.I n
+is not specified. If the file does not exist it is created;
+if it does exist it is truncated to zero size.
+.PP
+The general format for redirecting output is:
+.RS
+.PP
+[\fIn\fP]\fB>\fP\fIword\fP
+.RE
+.PP
+If the redirection operator is
+.BR > ,
+and the
+.B noclobber
+option to the
+.B set
+builtin has been enabled, the redirection will fail if the file
+whose name results from the expansion of \fIword\fP exists and is
+a regular file.
+If the redirection operator is
+.BR >| ,
+or the redirection operator is
+.B >
+and the
+.B noclobber
+option to the
+.B set
+builtin command is not enabled, the redirection is attempted even
+if the file named by \fIword\fP exists.
+.SS Appending Redirected Output
+.PP
+Redirection of output in this fashion
+causes the file whose name results from
+the expansion of
+.I word
+to be opened for appending on file descriptor
+.IR n ,
+or the standard output (file descriptor 1) if
+.I n
+is not specified. If the file does not exist it is created.
+.PP
+The general format for appending output is:
+.RS
+.PP
+[\fIn\fP]\fB>>\fP\fIword\fP
+.RE
+.PP
+.SS Redirecting Standard Output and Standard Error
+.PP
+This construct allows both the
+standard output (file descriptor 1) and
+the standard error output (file descriptor 2)
+to be redirected to the file whose name is the
+expansion of
+.IR word .
+.PP
+There are two formats for redirecting standard output and
+standard error:
+.RS
+.PP
+\fB&>\fP\fIword\fP
+.RE
+and
+.RS
+\fB>&\fP\fIword\fP
+.RE
+.PP
+Of the two forms, the first is preferred.
+This is semantically equivalent to
+.RS
+.PP
+\fB>\fP\fIword\fP 2\fB>&\fP1
+.RE
+.PP
+.SS Appending Standard Output and Standard Error
+.PP
+This construct allows both the
+standard output (file descriptor 1) and
+the standard error output (file descriptor 2)
+to be appended to the file whose name is the
+expansion of
+.IR word .
+.PP
+The format for appending standard output and standard error is:
+.RS
+.PP
+\fB&>>\fP\fIword\fP
+.RE
+.PP
+This is semantically equivalent to
+.RS
+.PP
+\fB>>\fP\fIword\fP 2\fB>&\fP1
+.RE
+.SS Here Documents
+.PP
+This type of redirection instructs the shell to read input from the
+current source until a line containing only
+.I delimiter
+(with no trailing blanks)
+is seen. All of
+the lines read up to that point are then used as the standard
+input for a command.
+.PP
+The format of here-documents is:
+.RS
+.PP
+.nf
+\fB<<\fP[\fB\-\fP]\fIword\fP
+ \fIhere-document\fP
+\fIdelimiter\fP
+.fi
+.RE
+.PP
+No parameter expansion, command substitution, arithmetic expansion,
+or pathname expansion is performed on
+.IR word .
+If any characters in
+.I word
+are quoted, the
+.I delimiter
+is the result of quote removal on
+.IR word ,
+and the lines in the here-document are not expanded.
+If \fIword\fP is unquoted,
+all lines of the here-document are subjected to parameter expansion,
+command substitution, and arithmetic expansion. In the latter
+case, the character sequence
+.B \e<newline>
+is ignored, and
+.B \e
+must be used to quote the characters
+.BR \e ,
+.BR $ ,
+and
+.BR \` .
+.PP
+If the redirection operator is
+.BR <<\- ,
+then all leading tab characters are stripped from input lines and the
+line containing
+.IR delimiter .
+This allows
+here-documents within shell scripts to be indented in a
+natural fashion.
+.SS "Here Strings"
+A variant of here documents, the format is:
+.RS
+.PP
+.nf
+\fB<<<\fP\fIword\fP
+.fi
+.RE
+.PP
+The \fIword\fP is expanded and supplied to the command on its standard
+input.
+.SS "Duplicating File Descriptors"
+.PP
+The redirection operator
+.RS
+.PP
+[\fIn\fP]\fB<&\fP\fIword\fP
+.RE
+.PP
+is used to duplicate input file descriptors.
+If
+.I word
+expands to one or more digits, the file descriptor denoted by
+.I n
+is made to be a copy of that file descriptor.
+If the digits in
+.I word
+do not specify a file descriptor open for input, a redirection error occurs.
+If
+.I word
+evaluates to
+.BR \- ,
+file descriptor
+.I n
+is closed. If
+.I n
+is not specified, the standard input (file descriptor 0) is used.
+.PP
+The operator
+.RS
+.PP
+[\fIn\fP]\fB>&\fP\fIword\fP
+.RE
+.PP
+is used similarly to duplicate output file descriptors. If
+.I n
+is not specified, the standard output (file descriptor 1) is used.
+If the digits in
+.I word
+do not specify a file descriptor open for output, a redirection error occurs.
+As a special case, if \fIn\fP is omitted, and \fIword\fP does not
+expand to one or more digits, the standard output and standard
+error are redirected as described previously.
+.SS "Moving File Descriptors"
+.PP
+The redirection operator
+.RS
+.PP
+[\fIn\fP]\fB<&\fP\fIdigit\fP\fB\-\fP
+.RE
+.PP
+moves the file descriptor \fIdigit\fP to file descriptor
+.IR n ,
+or the standard input (file descriptor 0) if \fIn\fP is not specified.
+\fIdigit\fP is closed after being duplicated to \fIn\fP.
+.PP
+Similarly, the redirection operator
+.RS
+.PP
+[\fIn\fP]\fB>&\fP\fIdigit\fP\fB\-\fP
+.RE
+.PP
+moves the file descriptor \fIdigit\fP to file descriptor
+.IR n ,
+or the standard output (file descriptor 1) if \fIn\fP is not specified.
+.SS "Opening File Descriptors for Reading and Writing"
+.PP
+The redirection operator
+.RS
+.PP
+[\fIn\fP]\fB<>\fP\fIword\fP
+.RE
+.PP
+causes the file whose name is the expansion of
+.I word
+to be opened for both reading and writing on file descriptor
+.IR n ,
+or on file descriptor 0 if
+.I n
+is not specified. If the file does not exist, it is created.
+.SH ALIASES
+\fIAliases\fP allow a string to be substituted for a word when it is used
+as the first word of a simple command.
+The shell maintains a list of aliases that may be set and unset with the
+.B alias
+and
+.B unalias
+builtin commands (see
+.SM
+.B SHELL BUILTIN COMMANDS
+below).
+The first word of each simple command, if unquoted,
+is checked to see if it has an
+alias. If so, that word is replaced by the text of the alias.
+The characters \fB/\fP, \fB$\fP, \fB\`\fP, and \fB=\fP and
+any of the shell \fImetacharacters\fP or quoting characters
+listed above may not appear in an alias name.
+The replacement text may contain any valid shell input,
+including shell metacharacters.
+The first word of the replacement text is tested
+for aliases, but a word that is identical to an alias being expanded
+is not expanded a second time.
+This means that one may alias
+.B ls
+to
+.BR "ls \-F" ,
+for instance, and
+.B bash
+does not try to recursively expand the replacement text.
+If the last character of the alias value is a
+.IR blank ,
+then the next command
+word following the alias is also checked for alias expansion.
+.PP
+Aliases are created and listed with the
+.B alias
+command, and removed with the
+.B unalias
+command.
+.PP
+There is no mechanism for using arguments in the replacement text.
+If arguments are needed, a shell function should be used (see
+.SM
+.B FUNCTIONS
+below).
+.PP
+Aliases are not expanded when the shell is not interactive, unless
+the
+.B expand_aliases
+shell option is set using
+.B shopt
+(see the description of
+.B shopt
+under
+.SM
+\fBSHELL BUILTIN COMMANDS\fP
+below).
+.PP
+The rules concerning the definition and use of aliases are
+somewhat confusing.
+.B Bash
+always reads at least one complete line
+of input before executing any
+of the commands on that line. Aliases are expanded when a
+command is read, not when it is executed. Therefore, an
+alias definition appearing on the same line as another
+command does not take effect until the next line of input is read.
+The commands following the alias definition
+on that line are not affected by the new alias.
+This behavior is also an issue when functions are executed.
+Aliases are expanded when a function definition is read,
+not when the function is executed, because a function definition
+is itself a compound command. As a consequence, aliases
+defined in a function are not available until after that
+function is executed. To be safe, always put
+alias definitions on a separate line, and do not use
+.B alias
+in compound commands.
+.PP
+For almost every purpose, aliases are superseded by
+shell functions.
+.SH FUNCTIONS
+A shell function, defined as described above under
+.SM
+.BR "SHELL GRAMMAR" ,
+stores a series of commands for later execution.
+When the name of a shell function is used as a simple command name,
+the list of commands associated with that function name is executed.
+Functions are executed in the context of the
+current shell; no new process is created to interpret
+them (contrast this with the execution of a shell script).
+When a function is executed, the arguments to the
+function become the positional parameters
+during its execution.
+The special parameter
+.B #
+is updated to reflect the change. Special parameter 0
+is unchanged.
+The first element of the
+.SM
+.B FUNCNAME
+variable is set to the name of the function while the function
+is executing.
+All other aspects of the shell execution
+environment are identical between a function and its caller
+with the exception that the
+.SM
+.B DEBUG
+and
+.B RETURN
+traps (see the description of the
+.B trap
+builtin under
+.SM
+.B SHELL BUILTIN COMMANDS
+below) are not inherited unless the function has been given the
+\fBtrace\fP attribute (see the description of the
+.SM
+.B declare
+builtin below) or the
+\fB\-o functrace\fP shell option has been enabled with
+the \fBset\fP builtin
+(in which case all functions inherit the \fBDEBUG\fP and \fBRETURN\fP traps).
+.PP
+Variables local to the function may be declared with the
+.B local
+builtin command. Ordinarily, variables and their values
+are shared between the function and its caller.
+.PP
+If the builtin command
+.B return
+is executed in a function, the function completes and
+execution resumes with the next command after the function
+call.
+Any command associated with the \fBRETURN\fP trap is executed
+before execution resumes.
+When a function completes, the values of the
+positional parameters and the special parameter
+.B #
+are restored to the values they had prior to the function's
+execution.
+.PP
+Function names and definitions may be listed with the
+.B \-f
+option to the
+.B declare
+or
+.B typeset
+builtin commands. The
+.B \-F
+option to
+.B declare
+or
+.B typeset
+will list the function names only
+(and optionally the source file and line number, if the \fBextdebug\fP
+shell option is enabled).
+Functions may be exported so that subshells
+automatically have them defined with the
+.B \-f
+option to the
+.B export
+builtin.
+A function definition may be deleted using the \fB\-f\fP option to
+the
+.B unset
+builtin.
+Note that shell functions and variables with the same name may result
+in multiple identically-named entries in the environment passed to the
+shell's children.
+Care should be taken in cases where this may cause a problem.
+.PP
+Functions may be recursive. No limit is imposed on the number
+of recursive calls.
+.SH "ARITHMETIC EVALUATION"
+The shell allows arithmetic expressions to be evaluated, under
+certain circumstances (see the \fBlet\fP and \fBdeclare\fP builtin
+commands and \fBArithmetic Expansion\fP).
+Evaluation is done in fixed-width integers with no check for overflow,
+though division by 0 is trapped and flagged as an error.
+The operators and their precedence, associativity, and values
+are the same as in the C language.
+The following list of operators is grouped into levels of
+equal-precedence operators.
+The levels are listed in order of decreasing precedence.
+.PP
+.PD 0
+.TP
+.B \fIid\fP++ \fIid\fP\-\-
+variable post-increment and post-decrement
+.TP
+.B ++\fIid\fP \-\-\fIid\fP
+variable pre-increment and pre-decrement
+.TP
+.B \- +
+unary minus and plus
+.TP
+.B ! ~
+logical and bitwise negation
+.TP
+.B **
+exponentiation
+.TP
+.B * / %
+multiplication, division, remainder
+.TP
+.B + \-
+addition, subtraction
+.TP
+.B << >>
+left and right bitwise shifts
+.TP
+.B <= >= < >
+comparison
+.TP
+.B == !=
+equality and inequality
+.TP
+.B &
+bitwise AND
+.TP
+.B ^
+bitwise exclusive OR
+.TP
+.B |
+bitwise OR
+.TP
+.B &&
+logical AND
+.TP
+.B ||
+logical OR
+.TP
+.B \fIexpr\fP?\fIexpr\fP:\fIexpr\fP
+conditional operator
+.TP
+.B = *= /= %= += \-= <<= >>= &= ^= |=
+assignment
+.TP
+.B \fIexpr1\fP , \fIexpr2\fP
+comma
+.PD
+.PP
+Shell variables are allowed as operands; parameter expansion is
+performed before the expression is evaluated.
+Within an expression, shell variables may also be referenced by name
+without using the parameter expansion syntax.
+A shell variable that is null or unset evaluates to 0 when referenced
+by name without using the parameter expansion syntax.
+The value of a variable is evaluated as an arithmetic expression
+when it is referenced, or when a variable which has been given the
+\fIinteger\fP attribute using \fBdeclare -i\fP is assigned a value.
+A null value evaluates to 0.
+A shell variable need not have its integer attribute
+turned on to be used in an expression.
+.PP
+Constants with a leading 0 are interpreted as octal numbers.
+A leading 0x or 0X denotes hexadecimal.
+Otherwise, numbers take the form [\fIbase#\fP]n, where \fIbase\fP
+is a decimal number between 2 and 64 representing the arithmetic
+base, and \fIn\fP is a number in that base.
+If \fIbase#\fP is omitted, then base 10 is used.
+The digits greater than 9 are represented by the lowercase letters,
+the uppercase letters, @, and _, in that order.
+If \fIbase\fP is less than or equal to 36, lowercase and uppercase
+letters may be used interchangeably to represent numbers between 10
+and 35.
+.PP
+Operators are evaluated in order of precedence. Sub-expressions in
+parentheses are evaluated first and may override the precedence
+rules above.
+.SH "CONDITIONAL EXPRESSIONS"
+Conditional expressions are used by the \fB[[\fP compound command and
+the \fBtest\fP and \fB[\fP builtin commands to test file attributes
+and perform string and arithmetic comparisons.
+Expressions are formed from the following unary or binary primaries.
+If any \fIfile\fP argument to one of the primaries is of the form
+\fI/dev/fd/n\fP, then file descriptor \fIn\fP is checked.
+If the \fIfile\fP argument to one of the primaries is one of
+\fI/dev/stdin\fP, \fI/dev/stdout\fP, or \fI/dev/stderr\fP, file
+descriptor 0, 1, or 2, respectively, is checked.
+.PP
+Unless otherwise specified, primaries that operate on files follow symbolic
+links and operate on the target of the link, rather than the link itself.
+.sp 1
+.PD 0
+.TP
+.B \-a \fIfile\fP
+True if \fIfile\fP exists.
+.TP
+.B \-b \fIfile\fP
+True if \fIfile\fP exists and is a block special file.
+.TP
+.B \-c \fIfile\fP
+True if \fIfile\fP exists and is a character special file.
+.TP
+.B \-d \fIfile\fP
+True if \fIfile\fP exists and is a directory.
+.TP
+.B \-e \fIfile\fP
+True if \fIfile\fP exists.
+.TP
+.B \-f \fIfile\fP
+True if \fIfile\fP exists and is a regular file.
+.TP
+.B \-g \fIfile\fP
+True if \fIfile\fP exists and is set-group-id.
+.TP
+.B \-h \fIfile\fP
+True if \fIfile\fP exists and is a symbolic link.
+.TP
+.B \-k \fIfile\fP
+True if \fIfile\fP exists and its ``sticky'' bit is set.
+.TP
+.B \-p \fIfile\fP
+True if \fIfile\fP exists and is a named pipe (FIFO).
+.TP
+.B \-r \fIfile\fP
+True if \fIfile\fP exists and is readable.
+.TP
+.B \-s \fIfile\fP
+True if \fIfile\fP exists and has a size greater than zero.
+.TP
+.B \-t \fIfd\fP
+True if file descriptor
+.I fd
+is open and refers to a terminal.
+.TP
+.B \-u \fIfile\fP
+True if \fIfile\fP exists and its set-user-id bit is set.
+.TP
+.B \-w \fIfile\fP
+True if \fIfile\fP exists and is writable.
+.TP
+.B \-x \fIfile\fP
+True if \fIfile\fP exists and is executable.
+.TP
+.B \-O \fIfile\fP
+True if \fIfile\fP exists and is owned by the effective user id.
+.TP
+.B \-G \fIfile\fP
+True if \fIfile\fP exists and is owned by the effective group id.
+.TP
+.B \-L \fIfile\fP
+True if \fIfile\fP exists and is a symbolic link.
+.TP
+.B \-S \fIfile\fP
+True if \fIfile\fP exists and is a socket.
+.TP
+.B \-N \fIfile\fP
+True if \fIfile\fP exists and has been modified since it was last read.
+.TP
+\fIfile1\fP \-\fBnt\fP \fIfile2\fP
+True if \fIfile1\fP is newer (according to modification date) than \fIfile2\fP,
+or if \fIfile1\fP exists and \fPfile2\fP does not.
+.TP
+\fIfile1\fP \-\fBot\fP \fIfile2\fP
+True if \fIfile1\fP is older than \fIfile2\fP, or if \fIfile2\fP exists
+and \fIfile1\fP does not.
+.TP
+\fIfile1\fP \fB\-ef\fP \fIfile2\fP
+True if \fIfile1\fP and \fIfile2\fP refer to the same device and
+inode numbers.
+.TP
+.B \-o \fIoptname\fP
+True if shell option
+.I optname
+is enabled.
+See the list of options under the description of the
+.B \-o
+option to the
+.B set
+builtin below.
+.TP
+.B \-z \fIstring\fP
+True if the length of \fIstring\fP is zero.
+.TP
+\fIstring\fP
+.PD 0
+.TP
+.B \-n \fIstring\fP
+.PD
+True if the length of
+.I string
+is non-zero.
+.TP
+\fIstring1\fP \fB==\fP \fIstring2\fP
+True if the strings are equal. \fB=\fP may be used in place of
+\fB==\fP for strict POSIX compliance.
+.TP
+\fIstring1\fP \fB!=\fP \fIstring2\fP
+True if the strings are not equal.
+.TP
+\fIstring1\fP \fB<\fP \fIstring2\fP
+True if \fIstring1\fP sorts before \fIstring2\fP lexicographically.
+.TP
+\fIstring1\fP \fB>\fP \fIstring2\fP
+True if \fIstring1\fP sorts after \fIstring2\fP lexicographically.
+.TP
+.I \fIarg1\fP \fBOP\fP \fIarg2\fP
+.SM
+.B OP
+is one of
+.BR \-eq ,
+.BR \-ne ,
+.BR \-lt ,
+.BR \-le ,
+.BR \-gt ,
+or
+.BR \-ge .
+These arithmetic binary operators return true if \fIarg1\fP
+is equal to, not equal to, less than, less than or equal to,
+greater than, or greater than or equal to \fIarg2\fP, respectively.
+.I Arg1
+and
+.I arg2
+may be positive or negative integers.
+.PD
+.SH "SIMPLE COMMAND EXPANSION"
+When a simple command is executed, the shell performs the following
+expansions, assignments, and redirections, from left to right.
+.IP 1.
+The words that the parser has marked as variable assignments (those
+preceding the command name) and redirections are saved for later
+processing.
+.IP 2.
+The words that are not variable assignments or redirections are
+expanded. If any words remain after expansion, the first word
+is taken to be the name of the command and the remaining words are
+the arguments.
+.IP 3.
+Redirections are performed as described above under
+.SM
+.BR REDIRECTION .
+.IP 4.
+The text after the \fB=\fP in each variable assignment undergoes tilde
+expansion, parameter expansion, command substitution, arithmetic expansion,
+and quote removal before being assigned to the variable.
+.PP
+If no command name results, the variable assignments affect the current
+shell environment. Otherwise, the variables are added to the environment
+of the executed command and do not affect the current shell environment.
+If any of the assignments attempts to assign a value to a readonly variable,
+an error occurs, and the command exits with a non-zero status.
+.PP
+If no command name results, redirections are performed, but do not
+affect the current shell environment. A redirection error causes the
+command to exit with a non-zero status.
+.PP
+If there is a command name left after expansion, execution proceeds as
+described below. Otherwise, the command exits. If one of the expansions
+contained a command substitution, the exit status of the command is
+the exit status of the last command substitution performed. If there
+were no command substitutions, the command exits with a status of zero.
+.SH "COMMAND EXECUTION"
+After a command has been split into words, if it results in a
+simple command and an optional list of arguments, the following
+actions are taken.
+.PP
+If the command name contains no slashes, the shell attempts to
+locate it. If there exists a shell function by that name, that
+function is invoked as described above in
+.SM
+.BR FUNCTIONS .
+If the name does not match a function, the shell searches for
+it in the list of shell builtins. If a match is found, that
+builtin is invoked.
+.PP
+If the name is neither a shell function nor a builtin,
+and contains no slashes,
+.B bash
+searches each element of the
+.SM
+.B PATH
+for a directory containing an executable file by that name.
+.B Bash
+uses a hash table to remember the full pathnames of executable
+files (see
+.B hash
+under
+.SM
+.B "SHELL BUILTIN COMMANDS"
+below).
+A full search of the directories in
+.SM
+.B PATH
+is performed only if the command is not found in the hash table.
+If the search is unsuccessful, the shell searches for a defined shell
+function named \fBcommand_not_found_handle\fP.
+If that function exists, it is invoked with the original command and
+the original command's arguments as its arguments, and the function's
+exit status becomes the exit status of the shell.
+If that function is not defined, the shell prints an error
+message and returns an exit status of 127.
+.PP
+If the search is successful, or if the command name contains
+one or more slashes, the shell executes the named program in a
+separate execution environment.
+Argument 0 is set to the name given, and the remaining arguments
+to the command are set to the arguments given, if any.
+.PP
+If this execution fails because the file is not in executable
+format, and the file is not a directory, it is assumed to be
+a \fIshell script\fP, a file
+containing shell commands. A subshell is spawned to execute
+it. This subshell reinitializes itself, so
+that the effect is as if a new shell had been invoked
+to handle the script, with the exception that the locations of
+commands remembered by the parent (see
+.B hash
+below under
+.SM
+\fBSHELL BUILTIN COMMANDS\fP)
+are retained by the child.
+.PP
+If the program is a file beginning with
+.BR #! ,
+the remainder of the first line specifies an interpreter
+for the program. The shell executes the
+specified interpreter on operating systems that do not
+handle this executable format themselves. The arguments to the
+interpreter consist of a single optional argument following the
+interpreter name on the first line of the program, followed
+by the name of the program, followed by the command
+arguments, if any.
+.SH COMMAND EXECUTION ENVIRONMENT
+The shell has an \fIexecution environment\fP, which consists of the
+following:
+.sp 1
+.IP \(bu
+open files inherited by the shell at invocation, as modified by
+redirections supplied to the \fBexec\fP builtin
+.IP \(bu
+the current working directory as set by \fBcd\fP, \fBpushd\fP, or
+\fBpopd\fP, or inherited by the shell at invocation
+.IP \(bu
+the file creation mode mask as set by \fBumask\fP or inherited from
+the shell's parent
+.IP \(bu
+current traps set by \fBtrap\fP
+.IP \(bu
+shell parameters that are set by variable assignment or with \fBset\fP
+or inherited from the shell's parent in the environment
+.IP \(bu
+shell functions defined during execution or inherited from the shell's
+parent in the environment
+.IP \(bu
+options enabled at invocation (either by default or with command-line
+arguments) or by \fBset\fP
+.IP \(bu
+options enabled by \fBshopt\fP
+.IP \(bu
+shell aliases defined with \fBalias\fP
+.IP \(bu
+various process IDs, including those of background jobs, the value
+of \fB$$\fP, and the value of \fB$PPID\fP
+.PP
+When a simple command other than a builtin or shell function
+is to be executed, it
+is invoked in a separate execution environment that consists of
+the following. Unless otherwise noted, the values are inherited
+from the shell.
+.sp 1
+.IP \(bu
+the shell's open files, plus any modifications and additions specified
+by redirections to the command
+.IP \(bu
+the current working directory
+.IP \(bu
+the file creation mode mask
+.IP \(bu
+shell variables and functions marked for export, along with variables
+exported for the command, passed in the environment
+.IP \(bu
+traps caught by the shell are reset to the values inherited from the
+shell's parent, and traps ignored by the shell are ignored
+.PP
+A command invoked in this separate environment cannot affect the
+shell's execution environment.
+.PP
+Command substitution, commands grouped with parentheses,
+and asynchronous commands are invoked in a
+subshell environment that is a duplicate of the shell environment,
+except that traps caught by the shell are reset to the values
+that the shell inherited from its parent at invocation. Builtin
+commands that are invoked as part of a pipeline are also executed in a
+subshell environment. Changes made to the subshell environment
+cannot affect the shell's execution environment.
+.PP
+Subshells spawned to execute command substitutions inherit the value of
+the \fB\-e\fP option from the parent shell. When not in posix mode,
+Bash clears the \fB\-e\fP option in such subshells.
+.PP
+If a command is followed by a \fB&\fP and job control is not active, the
+default standard input for the command is the empty file \fI/dev/null\fP.
+Otherwise, the invoked command inherits the file descriptors of the calling
+shell as modified by redirections.
+.SH ENVIRONMENT
+When a program is invoked it is given an array of strings
+called the
+.IR environment .
+This is a list of
+\fIname\fP\-\fIvalue\fP pairs, of the form
+.IR "name\fR=\fPvalue" .
+.PP
+The shell provides several ways to manipulate the environment.
+On invocation, the shell scans its own environment and
+creates a parameter for each name found, automatically marking
+it for
+.I export
+to child processes. Executed commands inherit the environment.
+The
+.B export
+and
+.B declare \-x
+commands allow parameters and functions to be added to and
+deleted from the environment. If the value of a parameter
+in the environment is modified, the new value becomes part
+of the environment, replacing the old. The environment
+inherited by any executed command consists of the shell's
+initial environment, whose values may be modified in the shell,
+less any pairs removed by the
+.B unset
+command, plus any additions via the
+.B export
+and
+.B declare \-x
+commands.
+.PP
+The environment for any
+.I simple command
+or function may be augmented temporarily by prefixing it with
+parameter assignments, as described above in
+.SM
+.BR PARAMETERS .
+These assignment statements affect only the environment seen
+by that command.
+.PP
+If the
+.B \-k
+option is set (see the
+.B set
+builtin command below), then
+.I all
+parameter assignments are placed in the environment for a command,
+not just those that precede the command name.
+.PP
+When
+.B bash
+invokes an external command, the variable
+.B _
+is set to the full file name of the command and passed to that
+command in its environment.
+.SH "EXIT STATUS"
+.PP
+The exit status of an executed command is the value returned by the
+\fIwaitpid\fP system call or equivalent function. Exit statuses
+fall between 0 and 255, though, as explained below, the shell may
+use values above 125 specially. Exit statuses from shell builtins and
+compound commands are also limited to this range. Under certain
+circumstances, the shell will use special values to indicate specific
+failure modes.
+.PP
+For the shell's purposes, a command which exits with a
+zero exit status has succeeded. An exit status of zero
+indicates success. A non-zero exit status indicates failure.
+When a command terminates on a fatal signal \fIN\fP, \fBbash\fP uses
+the value of 128+\fIN\fP as the exit status.
+.PP
+If a command is not found, the child process created to
+execute it returns a status of 127. If a command is found
+but is not executable, the return status is 126.
+.PP
+If a command fails because of an error during expansion or redirection,
+the exit status is greater than zero.
+.PP
+Shell builtin commands return a status of 0 (\fItrue\fP) if
+successful, and non-zero (\fIfalse\fP) if an error occurs
+while they execute.
+All builtins return an exit status of 2 to indicate incorrect usage.
+.PP
+\fBBash\fP itself returns the exit status of the last command
+executed, unless a syntax error occurs, in which case it exits
+with a non-zero value. See also the \fBexit\fP builtin
+command below.
+.SH SIGNALS
+When \fBbash\fP is interactive, in the absence of any traps, it ignores
+.SM
+.B SIGTERM
+(so that \fBkill 0\fP does not kill an interactive shell),
+and
+.SM
+.B SIGINT
+is caught and handled (so that the \fBwait\fP builtin is interruptible).
+In all cases, \fBbash\fP ignores
+.SM
+.BR SIGQUIT .
+If job control is in effect,
+.B bash
+ignores
+.SM
+.BR SIGTTIN ,
+.SM
+.BR SIGTTOU ,
+and
+.SM
+.BR SIGTSTP .
+.PP
+Non-builtin commands run by \fBbash\fP have signal handlers
+set to the values inherited by the shell from its parent.
+When job control is not in effect, asynchronous commands
+ignore
+.SM
+.B SIGINT
+and
+.SM
+.B SIGQUIT
+in addition to these inherited handlers.
+Commands run as a result of command substitution ignore the
+keyboard-generated job control signals
+.SM
+.BR SIGTTIN ,
+.SM
+.BR SIGTTOU ,
+and
+.SM
+.BR SIGTSTP .
+.PP
+The shell exits by default upon receipt of a
+.SM
+.BR SIGHUP .
+Before exiting, an interactive shell resends the
+.SM
+.B SIGHUP
+to all jobs, running or stopped.
+Stopped jobs are sent
+.SM
+.B SIGCONT
+to ensure that they receive the
+.SM
+.BR SIGHUP .
+To prevent the shell from
+sending the signal to a particular job, it should be removed from the
+jobs table with the
+.B disown
+builtin (see
+.SM
+.B "SHELL BUILTIN COMMANDS"
+below) or marked
+to not receive
+.SM
+.B SIGHUP
+using
+.BR "disown \-h" .
+.PP
+If the
+.B huponexit
+shell option has been set with
+.BR shopt ,
+.B bash
+sends a
+.SM
+.B SIGHUP
+to all jobs when an interactive login shell exits.
+.PP
+If \fBbash\fP is waiting for a command to complete and receives a signal
+for which a trap has been set, the trap will not be executed until
+the command completes.
+When \fBbash\fP is waiting for an asynchronous command via the \fBwait\fP
+builtin, the reception of a signal for which a trap has been set will
+cause the \fBwait\fP builtin to return immediately with an exit status
+greater than 128, immediately after which the trap is executed.
+.SH "JOB CONTROL"
+.I Job control
+refers to the ability to selectively stop (\fIsuspend\fP)
+the execution of processes and continue (\fIresume\fP)
+their execution at a later point. A user typically employs
+this facility via an interactive interface supplied jointly
+by the operating system kernel's terminal driver and
+.BR bash .
+.PP
+The shell associates a
+.I job
+with each pipeline. It keeps a table of currently executing
+jobs, which may be listed with the
+.B jobs
+command. When
+.B bash
+starts a job asynchronously (in the
+.IR background ),
+it prints a line that looks like:
+.RS
+.PP
+[1] 25647
+.RE
+.PP
+indicating that this job is job number 1 and that the process ID
+of the last process in the pipeline associated with this job is 25647.
+All of the processes in a single pipeline are members of the same job.
+.B Bash
+uses the
+.I job
+abstraction as the basis for job control.
+.PP
+To facilitate the implementation of the user interface to job
+control, the operating system maintains the notion of a \fIcurrent terminal
+process group ID\fP. Members of this process group (processes whose
+process group ID is equal to the current terminal process group ID)
+receive keyboard-generated signals such as
+.SM
+.BR SIGINT .
+These processes are said to be in the
+.IR foreground .
+.I Background
+processes are those whose process group ID differs from the terminal's;
+such processes are immune to keyboard-generated signals.
+Only foreground processes are allowed to read from or, if the
+user so specifies with \f(CWstty tostop\fP, write to the
+terminal.
+Background processes which attempt to read from (write to when
+\f(CWstty tostop\fP is in effect) the
+terminal are sent a
+.SM
+.B SIGTTIN (SIGTTOU)
+signal by the kernel's terminal driver,
+which, unless caught, suspends the process.
+.PP
+If the operating system on which
+.B bash
+is running supports
+job control,
+.B bash
+contains facilities to use it.
+Typing the
+.I suspend
+character (typically
+.BR ^Z ,
+Control-Z) while a process is running
+causes that process to be stopped and returns control to
+.BR bash .
+Typing the
+.I "delayed suspend"
+character (typically
+.BR ^Y ,
+Control-Y) causes the process to be stopped when it
+attempts to read input from the terminal, and control to
+be returned to
+.BR bash .
+The user may then manipulate the state of this job, using the
+.B bg
+command to continue it in the background, the
+.B fg
+command to continue it in the foreground, or
+the
+.B kill
+command to kill it. A \fB^Z\fP takes effect immediately,
+and has the additional side effect of causing pending output
+and typeahead to be discarded.
+.PP
+There are a number of ways to refer to a job in the shell.
+The character
+.B %
+introduces a job specification (\fIjobspec\fP). Job number
+.I n
+may be referred to as
+.BR %n .
+A job may also be referred to using a prefix of the name used to
+start it, or using a substring that appears in its command line.
+For example,
+.B %ce
+refers to a stopped
+.B ce
+job. If a prefix matches more than one job,
+.B bash
+reports an error. Using
+.BR %?ce ,
+on the other hand, refers to any job containing the string
+.B ce
+in its command line. If the substring matches more than one job,
+.B bash
+reports an error. The symbols
+.B %%
+and
+.B %+
+refer to the shell's notion of the
+.IR "current job" ,
+which is the last job stopped while it was in
+the foreground or started in the background.
+The
+.I "previous job"
+may be referenced using
+.BR %\- .
+If there is only a single job, \fB%+\fP and \fB%\-\fP can both be used
+to refer to that job.
+In output pertaining to jobs (e.g., the output of the
+.B jobs
+command), the current job is always flagged with a
+.BR + ,
+and the previous job with a
+.BR \- .
+A single % (with no accompanying job specification) also refers to the
+current job.
+.PP
+Simply naming a job can be used to bring it into the
+foreground:
+.B %1
+is a synonym for
+\fB``fg %1''\fP,
+bringing job 1 from the background into the foreground.
+Similarly,
+.B ``%1 &''
+resumes job 1 in the background, equivalent to
+\fB``bg %1''\fP.
+.PP
+The shell learns immediately whenever a job changes state.
+Normally,
+.B bash
+waits until it is about to print a prompt before reporting
+changes in a job's status so as to not interrupt
+any other output. If the
+.B \-b
+option to the
+.B set
+builtin command
+is enabled,
+.B bash
+reports such changes immediately.
+Any trap on
+.SM
+.B SIGCHLD
+is executed for each child that exits.
+.PP
+If an attempt to exit
+.B bash
+is made while jobs are stopped (or, if the \fBcheckjobs\fP shell option has
+been enabled using the \fBshopt\fP builtin, running), the shell prints a
+warning message, and, if the \fBcheckjobs\fP option is enabled, lists the
+jobs and their statuses.
+The
+.B jobs
+command may then be used to inspect their status.
+If a second attempt to exit is made without an intervening command,
+the shell does not print another warning, and any stopped
+jobs are terminated.
+.SH PROMPTING
+When executing interactively,
+.B bash
+displays the primary prompt
+.SM
+.B PS1
+when it is ready to read a command, and the secondary prompt
+.SM
+.B PS2
+when it needs more input to complete a command.
+.B Bash
+allows these prompt strings to be customized by inserting a number of
+backslash-escaped special characters that are decoded as follows:
+.RS
+.PD 0
+.TP
+.B \ea
+an ASCII bell character (07)
+.TP
+.B \ed
+the date in "Weekday Month Date" format (e.g., "Tue May 26")
+.TP
+.B \eD{\fIformat\fP}
+the \fIformat\fP is passed to \fIstrftime\fP(3) and the result is inserted
+into the prompt string; an empty \fIformat\fP results in a locale-specific
+time representation. The braces are required
+.TP
+.B \ee
+an ASCII escape character (033)
+.TP
+.B \eh
+the hostname up to the first `.'
+.TP
+.B \eH
+the hostname
+.TP
+.B \ej
+the number of jobs currently managed by the shell
+.TP
+.B \el
+the basename of the shell's terminal device name
+.TP
+.B \en
+newline
+.TP
+.B \er
+carriage return
+.TP
+.B \es
+the name of the shell, the basename of
+.B $0
+(the portion following the final slash)
+.TP
+.B \et
+the current time in 24-hour HH:MM:SS format
+.TP
+.B \eT
+the current time in 12-hour HH:MM:SS format
+.TP
+.B \e@
+the current time in 12-hour am/pm format
+.TP
+.B \eA
+the current time in 24-hour HH:MM format
+.TP
+.B \eu
+the username of the current user
+.TP
+.B \ev
+the version of \fBbash\fP (e.g., 2.00)
+.TP
+.B \eV
+the release of \fBbash\fP, version + patch level (e.g., 2.00.0)
+.TP
+.B \ew
+the current working directory, with \fB$HOME\fP abbreviated with a tilde
+(uses the \fB$PROMPT_DIRTRIM\fP variable)
+.TP
+.B \eW
+the basename of the current working directory, with \fB$HOME\fP
+abbreviated with a tilde
+.TP
+.B \e!
+the history number of this command
+.TP
+.B \e#
+the command number of this command
+.TP
+.B \e$
+if the effective UID is 0, a
+.BR # ,
+otherwise a
+.B $
+.TP
+.B \e\fInnn\fP
+the character corresponding to the octal number \fInnn\fP
+.TP
+.B \e\e
+a backslash
+.TP
+.B \e[
+begin a sequence of non-printing characters, which could be used to
+embed a terminal control sequence into the prompt
+.TP
+.B \e]
+end a sequence of non-printing characters
+.PD
+.RE
+.PP
+The command number and the history number are usually different:
+the history number of a command is its position in the history
+list, which may include commands restored from the history file
+(see
+.SM
+.B HISTORY
+below), while the command number is the position in the sequence
+of commands executed during the current shell session.
+After the string is decoded, it is expanded via
+parameter expansion, command substitution, arithmetic
+expansion, and quote removal, subject to the value of the
+.B promptvars
+shell option (see the description of the
+.B shopt
+command under
+.SM
+.B "SHELL BUILTIN COMMANDS"
+below).
+.SH READLINE
+This is the library that handles reading input when using an interactive
+shell, unless the
+.B \-\-noediting
+option is given at shell invocation.
+Line editing is also used when using the \fB\-e\fP option to the
+\fBread\fP builtin.
+By default, the line editing commands are similar to those of emacs.
+A vi-style line editing interface is also available.
+Line editing can be enabled at any time using the
+.B \-o emacs
+or
+.B \-o vi
+options to the
+.B set
+builtin (see
+.SM
+.B SHELL BUILTIN COMMANDS
+below).
+To turn off line editing after the shell is running, use the
+.B +o emacs
+or
+.B +o vi
+options to the
+.B set
+builtin.
+.SS "Readline Notation"
+.PP
+In this section, the emacs-style notation is used to denote
+keystrokes. Control keys are denoted by C\-\fIkey\fR, e.g., C\-n
+means Control\-N. Similarly,
+.I meta
+keys are denoted by M\-\fIkey\fR, so M\-x means Meta\-X. (On keyboards
+without a
+.I meta
+key, M\-\fIx\fP means ESC \fIx\fP, i.e., press the Escape key
+then the
+.I x
+key. This makes ESC the \fImeta prefix\fP.
+The combination M\-C\-\fIx\fP means ESC\-Control\-\fIx\fP,
+or press the Escape key
+then hold the Control key while pressing the
+.I x
+key.)
+.PP
+Readline commands may be given numeric
+.IR arguments ,
+which normally act as a repeat count.
+Sometimes, however, it is the sign of the argument that is significant.
+Passing a negative argument to a command that acts in the forward
+direction (e.g., \fBkill\-line\fP) causes that command to act in a
+backward direction.
+Commands whose behavior with arguments deviates from this are noted
+below.
+.PP
+When a command is described as \fIkilling\fP text, the text
+deleted is saved for possible future retrieval
+(\fIyanking\fP). The killed text is saved in a
+\fIkill ring\fP. Consecutive kills cause the text to be
+accumulated into one unit, which can be yanked all at once.
+Commands which do not kill text separate the chunks of text
+on the kill ring.
+.SS "Readline Initialization"
+.PP
+Readline is customized by putting commands in an initialization
+file (the \fIinputrc\fP file).
+The name of this file is taken from the value of the
+.SM
+.B INPUTRC
+variable. If that variable is unset, the default is
+.IR ~/.inputrc .
+When a program which uses the readline library starts up, the
+initialization file is read, and the key bindings and variables
+are set.
+There are only a few basic constructs allowed in the
+readline initialization file.
+Blank lines are ignored.
+Lines beginning with a \fB#\fP are comments.
+Lines beginning with a \fB$\fP indicate conditional constructs.
+Other lines denote key bindings and variable settings.
+.PP
+The default key-bindings may be changed with an
+.I inputrc
+file.
+Other programs that use this library may add their own commands
+and bindings.
+.PP
+For example, placing
+.RS
+.PP
+M\-Control\-u: universal\-argument
+.RE
+or
+.RS
+C\-Meta\-u: universal\-argument
+.RE
+into the
+.I inputrc
+would make M\-C\-u execute the readline command
+.IR universal\-argument .
+.PP
+The following symbolic character names are recognized:
+.IR RUBOUT ,
+.IR DEL ,
+.IR ESC ,
+.IR LFD ,
+.IR NEWLINE ,
+.IR RET ,
+.IR RETURN ,
+.IR SPC ,
+.IR SPACE ,
+and
+.IR TAB .
+.PP
+In addition to command names, readline allows keys to be bound
+to a string that is inserted when the key is pressed (a \fImacro\fP).
+.SS "Readline Key Bindings"
+.PP
+The syntax for controlling key bindings in the
+.I inputrc
+file is simple. All that is required is the name of the
+command or the text of a macro and a key sequence to which
+it should be bound. The name may be specified in one of two ways:
+as a symbolic key name, possibly with \fIMeta\-\fP or \fIControl\-\fP
+prefixes, or as a key sequence.
+.PP
+When using the form \fBkeyname\fP:\^\fIfunction\-name\fP or \fImacro\fP,
+.I keyname
+is the name of a key spelled out in English. For example:
+.sp
+.RS
+Control-u: universal\-argument
+.br
+Meta-Rubout: backward-kill-word
+.br
+Control-o: "> output"
+.RE
+.LP
+In the above example,
+.I C\-u
+is bound to the function
+.BR universal\-argument ,
+.I M\-DEL
+is bound to the function
+.BR backward\-kill\-word ,
+and
+.I C\-o
+is bound to run the macro
+expressed on the right hand side (that is, to insert the text
+.if t \f(CW> output\fP
+.if n ``> output''
+into the line).
+.PP
+In the second form, \fB"keyseq"\fP:\^\fIfunction\-name\fP or \fImacro\fP,
+.B keyseq
+differs from
+.B keyname
+above in that strings denoting
+an entire key sequence may be specified by placing the sequence
+within double quotes. Some GNU Emacs style key escapes can be
+used, as in the following example, but the symbolic character names
+are not recognized.
+.sp
+.RS
+"\eC\-u": universal\-argument
+.br
+"\eC\-x\eC\-r": re\-read\-init\-file
+.br
+"\ee[11~": "Function Key 1"
+.RE
+.PP
+In this example,
+.I C\-u
+is again bound to the function
+.BR universal\-argument .
+.I "C\-x C\-r"
+is bound to the function
+.BR re\-read\-init\-file ,
+and
+.I "ESC [ 1 1 ~"
+is bound to insert the text
+.if t \f(CWFunction Key 1\fP.
+.if n ``Function Key 1''.
+.PP
+The full set of GNU Emacs style escape sequences is
+.RS
+.PD 0
+.TP
+.B \eC\-
+control prefix
+.TP
+.B \eM\-
+meta prefix
+.TP
+.B \ee
+an escape character
+.TP
+.B \e\e
+backslash
+.TP
+.B \e"
+literal "
+.TP
+.B \e\(aq
+literal \(aq
+.RE
+.PD
+.PP
+In addition to the GNU Emacs style escape sequences, a second
+set of backslash escapes is available:
+.RS
+.PD 0
+.TP
+.B \ea
+alert (bell)
+.TP
+.B \eb
+backspace
+.TP
+.B \ed
+delete
+.TP
+.B \ef
+form feed
+.TP
+.B \en
+newline
+.TP
+.B \er
+carriage return
+.TP
+.B \et
+horizontal tab
+.TP
+.B \ev
+vertical tab
+.TP
+.B \e\fInnn\fP
+the eight-bit character whose value is the octal value \fInnn\fP
+(one to three digits)
+.TP
+.B \ex\fIHH\fP
+the eight-bit character whose value is the hexadecimal value \fIHH\fP
+(one or two hex digits)
+.RE
+.PD
+.PP
+When entering the text of a macro, single or double quotes must
+be used to indicate a macro definition.
+Unquoted text is assumed to be a function name.
+In the macro body, the backslash escapes described above are expanded.
+Backslash will quote any other character in the macro text,
+including " and \(aq.
+.PP
+.B Bash
+allows the current readline key bindings to be displayed or modified
+with the
+.B bind
+builtin command. The editing mode may be switched during interactive
+use by using the
+.B \-o
+option to the
+.B set
+builtin command (see
+.SM
+.B SHELL BUILTIN COMMANDS
+below).
+.SS "Readline Variables"
+.PP
+Readline has variables that can be used to further customize its
+behavior. A variable may be set in the
+.I inputrc
+file with a statement of the form
+.RS
+.PP
+\fBset\fP \fIvariable\-name\fP \fIvalue\fP
+.RE
+.PP
+Except where noted, readline variables can take the values
+.B On
+or
+.B Off
+(without regard to case).
+Unrecognized variable names are ignored.
+When a variable value is read, empty or null values, "on" (case-insensitive),
+and "1" are equivalent to \fBOn\fP. All other values are equivalent to
+\fBOff\fP.
+The variables and their default values are:
+.PP
+.PD 0
+.TP
+.B bell\-style (audible)
+Controls what happens when readline wants to ring the terminal bell.
+If set to \fBnone\fP, readline never rings the bell. If set to
+\fBvisible\fP, readline uses a visible bell if one is available.
+If set to \fBaudible\fP, readline attempts to ring the terminal's bell.
+.TP
+.B bind\-tty\-special\-chars (On)
+If set to \fBOn\fP, readline attempts to bind the control characters
+treated specially by the kernel's terminal driver to their readline
+equivalents.
+.TP
+.B comment\-begin (``#'')
+The string that is inserted when the readline
+.B insert\-comment
+command is executed.
+This command is bound to
+.B M\-#
+in emacs mode and to
+.B #
+in vi command mode.
+.TP
+.B completion\-ignore\-case (Off)
+If set to \fBOn\fP, readline performs filename matching and completion
+in a case\-insensitive fashion.
+.TP
+.B completion\-prefix\-display\-length (0)
+The length in characters of the common prefix of a list of possible
+completions that is displayed without modification. When set to a
+value greater than zero, common prefixes longer than this value are
+replaced with an ellipsis when displaying possible completions.
+.TP
+.B completion\-query\-items (100)
+This determines when the user is queried about viewing
+the number of possible completions
+generated by the \fBpossible\-completions\fP command.
+It may be set to any integer value greater than or equal to
+zero. If the number of possible completions is greater than
+or equal to the value of this variable, the user is asked whether
+or not he wishes to view them; otherwise they are simply listed
+on the terminal.
+.TP
+.B convert\-meta (On)
+If set to \fBOn\fP, readline will convert characters with the
+eighth bit set to an ASCII key sequence
+by stripping the eighth bit and prefixing an
+escape character (in effect, using escape as the \fImeta prefix\fP).
+.TP
+.B disable\-completion (Off)
+If set to \fBOn\fP, readline will inhibit word completion. Completion
+characters will be inserted into the line as if they had been
+mapped to \fBself-insert\fP.
+.TP
+.B editing\-mode (emacs)
+Controls whether readline begins with a set of key bindings similar
+to \fIemacs\fP or \fIvi\fP.
+.B editing\-mode
+can be set to either
+.B emacs
+or
+.BR vi .
+.TP
+.B enable\-keypad (Off)
+When set to \fBOn\fP, readline will try to enable the application
+keypad when it is called. Some systems need this to enable the
+arrow keys.
+.TP
+.B expand\-tilde (Off)
+If set to \fBon\fP, tilde expansion is performed when readline
+attempts word completion.
+.TP
+.B history\-preserve\-point (Off)
+If set to \fBon\fP, the history code attempts to place point at the
+same location on each history line retrieved with \fBprevious-history\fP
+or \fBnext-history\fP.
+.TP
+.B history\-size (0)
+Set the maximum number of history entries saved in the history list. If
+set to zero, the number of entries in the history list is not limited.
+.TP
+.B horizontal\-scroll\-mode (Off)
+When set to \fBOn\fP, makes readline use a single line for display,
+scrolling the input horizontally on a single screen line when it
+becomes longer than the screen width rather than wrapping to a new line.
+.TP
+.B input\-meta (Off)
+If set to \fBOn\fP, readline will enable eight-bit input (that is,
+it will not strip the high bit from the characters it reads),
+regardless of what the terminal claims it can support. The name
+.B meta\-flag
+is a synonym for this variable.
+.TP
+.B isearch\-terminators (``C\-[C\-J'')
+The string of characters that should terminate an incremental
+search without subsequently executing the character as a command.
+If this variable has not been given a value, the characters
+\fIESC\fP and \fIC\-J\fP will terminate an incremental search.
+.TP
+.B keymap (emacs)
+Set the current readline keymap. The set of valid keymap names is
+\fIemacs, emacs\-standard, emacs\-meta, emacs\-ctlx, vi,
+vi\-command\fP, and
+.IR vi\-insert .
+\fIvi\fP is equivalent to \fIvi\-command\fP; \fIemacs\fP is
+equivalent to \fIemacs\-standard\fP. The default value is
+.IR emacs ;
+the value of
+.B editing\-mode
+also affects the default keymap.
+.TP
+.B mark\-directories (On)
+If set to \fBOn\fP, completed directory names have a slash
+appended.
+.TP
+.B mark\-modified\-lines (Off)
+If set to \fBOn\fP, history lines that have been modified are displayed
+with a preceding asterisk (\fB*\fP).
+.TP
+.B mark\-symlinked\-directories (Off)
+If set to \fBOn\fP, completed names which are symbolic links to directories
+have a slash appended (subject to the value of
+\fBmark\-directories\fP).
+.TP
+.B match\-hidden\-files (On)
+This variable, when set to \fBOn\fP, causes readline to match files whose
+names begin with a `.' (hidden files) when performing filename
+completion, unless the leading `.' is
+supplied by the user in the filename to be completed.
+.TP
+.B output\-meta (Off)
+If set to \fBOn\fP, readline will display characters with the
+eighth bit set directly rather than as a meta-prefixed escape
+sequence.
+.TP
+.B page\-completions (On)
+If set to \fBOn\fP, readline uses an internal \fImore\fP-like pager
+to display a screenful of possible completions at a time.
+.TP
+.B print\-completions\-horizontally (Off)
+If set to \fBOn\fP, readline will display completions with matches
+sorted horizontally in alphabetical order, rather than down the screen.
+.TP
+.B revert\-all\-at\-newline (Off)
+If set to \fBon\fP, readline will undo all changes to history lines
+before returning when \fBaccept\-line\fP is executed. By default,
+history lines may be modified and retain individual undo lists across
+calls to \fBreadline\fP.
+.TP
+.B show\-all\-if\-ambiguous (Off)
+This alters the default behavior of the completion functions. If
+set to
+.BR on ,
+words which have more than one possible completion cause the
+matches to be listed immediately instead of ringing the bell.
+.TP
+.B show\-all\-if\-unmodified (Off)
+This alters the default behavior of the completion functions in
+a fashion similar to \fBshow\-all\-if\-ambiguous\fP.
+If set to
+.BR on ,
+words which have more than one possible completion without any
+possible partial completion (the possible completions don't share
+a common prefix) cause the matches to be listed immediately instead
+of ringing the bell.
+.TP
+.B visible\-stats (Off)
+If set to \fBOn\fP, a character denoting a file's type as reported
+by \fIstat\fP(2) is appended to the filename when listing possible
+completions.
+.PD
+.SS "Readline Conditional Constructs"
+.PP
+Readline implements a facility similar in spirit to the conditional
+compilation features of the C preprocessor which allows key
+bindings and variable settings to be performed as the result
+of tests. There are four parser directives used.
+.IP \fB$if\fP
+The
+.B $if
+construct allows bindings to be made based on the
+editing mode, the terminal being used, or the application using
+readline. The text of the test extends to the end of the line;
+no characters are required to isolate it.
+.RS
+.IP \fBmode\fP
+The \fBmode=\fP form of the \fB$if\fP directive is used to test
+whether readline is in emacs or vi mode.
+This may be used in conjunction
+with the \fBset keymap\fP command, for instance, to set bindings in
+the \fIemacs\-standard\fP and \fIemacs\-ctlx\fP keymaps only if
+readline is starting out in emacs mode.
+.IP \fBterm\fP
+The \fBterm=\fP form may be used to include terminal-specific
+key bindings, perhaps to bind the key sequences output by the
+terminal's function keys. The word on the right side of the
+.B =
+is tested against the both full name of the terminal and the portion
+of the terminal name before the first \fB\-\fP. This allows
+.I sun
+to match both
+.I sun
+and
+.IR sun\-cmd ,
+for instance.
+.IP \fBapplication\fP
+The \fBapplication\fP construct is used to include
+application-specific settings. Each program using the readline
+library sets the \fIapplication name\fP, and an initialization
+file can test for a particular value.
+This could be used to bind key sequences to functions useful for
+a specific program. For instance, the following command adds a
+key sequence that quotes the current or previous word in Bash:
+.sp 1
+.RS
+.nf
+\fB$if\fP Bash
+# Quote the current or previous word
+"\eC\-xq": "\eeb\e"\eef\e""
+\fB$endif\fP
+.fi
+.RE
+.RE
+.IP \fB$endif\fP
+This command, as seen in the previous example, terminates an
+\fB$if\fP command.
+.IP \fB$else\fP
+Commands in this branch of the \fB$if\fP directive are executed if
+the test fails.
+.IP \fB$include\fP
+This directive takes a single filename as an argument and reads commands
+and bindings from that file. For example, the following directive
+would read \fI/etc/inputrc\fP:
+.sp 1
+.RS
+.nf
+\fB$include\fP \^ \fI/etc/inputrc\fP
+.fi
+.RE
+.SS Searching
+.PP
+Readline provides commands for searching through the command history
+(see
+.SM
+.B HISTORY
+below) for lines containing a specified string.
+There are two search modes:
+.I incremental
+and
+.IR non-incremental .
+.PP
+Incremental searches begin before the user has finished typing the
+search string.
+As each character of the search string is typed, readline displays
+the next entry from the history matching the string typed so far.
+An incremental search requires only as many characters as needed to
+find the desired history entry.
+The characters present in the value of the \fBisearch-terminators\fP
+variable are used to terminate an incremental search.
+If that variable has not been assigned a value the Escape and
+Control-J characters will terminate an incremental search.
+Control-G will abort an incremental search and restore the original
+line.
+When the search is terminated, the history entry containing the
+search string becomes the current line.
+.PP
+To find other matching entries in the history list, type Control-S or
+Control-R as appropriate.
+This will search backward or forward in the history for the next
+entry matching the search string typed so far.
+Any other key sequence bound to a readline command will terminate
+the search and execute that command.
+For instance, a \fInewline\fP will terminate the search and accept
+the line, thereby executing the command from the history list.
+.PP
+Readline remembers the last incremental search string. If two
+Control-Rs are typed without any intervening characters defining a
+new search string, any remembered search string is used.
+.PP
+Non-incremental searches read the entire search string before starting
+to search for matching history lines. The search string may be
+typed by the user or be part of the contents of the current line.
+.SS "Readline Command Names"
+.PP
+The following is a list of the names of the commands and the default
+key sequences to which they are bound.
+Command names without an accompanying key sequence are unbound by default.
+In the following descriptions, \fIpoint\fP refers to the current cursor
+position, and \fImark\fP refers to a cursor position saved by the
+\fBset\-mark\fP command.
+The text between the point and mark is referred to as the \fIregion\fP.
+.SS Commands for Moving
+.PP
+.PD 0
+.TP
+.B beginning\-of\-line (C\-a)
+Move to the start of the current line.
+.TP
+.B end\-of\-line (C\-e)
+Move to the end of the line.
+.TP
+.B forward\-char (C\-f)
+Move forward a character.
+.TP
+.B backward\-char (C\-b)
+Move back a character.
+.TP
+.B forward\-word (M\-f)
+Move forward to the end of the next word. Words are composed of
+alphanumeric characters (letters and digits).
+.TP
+.B backward\-word (M\-b)
+Move back to the start of the current or previous word.
+Words are composed of alphanumeric characters (letters and digits).
+.TP
+.B shell\-forward\-word
+Move forward to the end of the next word.
+Words are delimited by non-quoted shell metacharacters.
+.TP
+.B shell\-backward\-word
+Move back to the start of the current or previous word.
+Words are delimited by non-quoted shell metacharacters.
+.TP
+.B clear\-screen (C\-l)
+Clear the screen leaving the current line at the top of the screen.
+With an argument, refresh the current line without clearing the
+screen.
+.TP
+.B redraw\-current\-line
+Refresh the current line.
+.PD
+.SS Commands for Manipulating the History
+.PP
+.PD 0
+.TP
+.B accept\-line (Newline, Return)
+Accept the line regardless of where the cursor is. If this line is
+non-empty, add it to the history list according to the state of the
+.SM
+.B HISTCONTROL
+variable. If the line is a modified history
+line, then restore the history line to its original state.
+.TP
+.B previous\-history (C\-p)
+Fetch the previous command from the history list, moving back in
+the list.
+.TP
+.B next\-history (C\-n)
+Fetch the next command from the history list, moving forward in the
+list.
+.TP
+.B beginning\-of\-history (M\-<)
+Move to the first line in the history.
+.TP
+.B end\-of\-history (M\->)
+Move to the end of the input history, i.e., the line currently being
+entered.
+.TP
+.B reverse\-search\-history (C\-r)
+Search backward starting at the current line and moving `up' through
+the history as necessary. This is an incremental search.
+.TP
+.B forward\-search\-history (C\-s)
+Search forward starting at the current line and moving `down' through
+the history as necessary. This is an incremental search.
+.TP
+.B non\-incremental\-reverse\-search\-history (M\-p)
+Search backward through the history starting at the current line
+using a non-incremental search for a string supplied by the user.
+.TP
+.B non\-incremental\-forward\-search\-history (M\-n)
+Search forward through the history using a non-incremental search for
+a string supplied by the user.
+.TP
+.B history\-search\-forward
+Search forward through the history for the string of characters
+between the start of the current line and the point.
+This is a non-incremental search.
+.TP
+.B history\-search\-backward
+Search backward through the history for the string of characters
+between the start of the current line and the point.
+This is a non-incremental search.
+.TP
+.B yank\-nth\-arg (M\-C\-y)
+Insert the first argument to the previous command (usually
+the second word on the previous line) at point.
+With an argument
+.IR n ,
+insert the \fIn\fPth word from the previous command (the words
+in the previous command begin with word 0). A negative argument
+inserts the \fIn\fPth word from the end of the previous command.
+Once the argument \fIn\fP is computed, the argument is extracted
+as if the "!\fIn\fP" history expansion had been specified.
+.TP
+.B
+yank\-last\-arg (M\-.\^, M\-_\^)
+Insert the last argument to the previous command (the last word of
+the previous history entry). With an argument,
+behave exactly like \fByank\-nth\-arg\fP.
+Successive calls to \fByank\-last\-arg\fP move back through the history
+list, inserting the last argument of each line in turn.
+The history expansion facilities are used to extract the last argument,
+as if the "!$" history expansion had been specified.
+.TP
+.B shell\-expand\-line (M\-C\-e)
+Expand the line as the shell does. This
+performs alias and history expansion as well as all of the shell
+word expansions. See
+.SM
+.B HISTORY EXPANSION
+below for a description of history expansion.
+.TP
+.B history\-expand\-line (M\-^)
+Perform history expansion on the current line.
+See
+.SM
+.B HISTORY EXPANSION
+below for a description of history expansion.
+.TP
+.B magic\-space
+Perform history expansion on the current line and insert a space.
+See
+.SM
+.B HISTORY EXPANSION
+below for a description of history expansion.
+.TP
+.B alias\-expand\-line
+Perform alias expansion on the current line.
+See
+.SM
+.B ALIASES
+above for a description of alias expansion.
+.TP
+.B history\-and\-alias\-expand\-line
+Perform history and alias expansion on the current line.
+.TP
+.B insert\-last\-argument (M\-.\^, M\-_\^)
+A synonym for \fByank\-last\-arg\fP.
+.TP
+.B operate\-and\-get\-next (C\-o)
+Accept the current line for execution and fetch the next line
+relative to the current line from the history for editing. Any
+argument is ignored.
+.TP
+.B edit\-and\-execute\-command (C\-xC\-e)
+Invoke an editor on the current command line, and execute the result as shell
+commands.
+\fBBash\fP attempts to invoke
+.SM
+.BR $VISUAL ,
+.SM
+.BR $EDITOR ,
+and \fIemacs\fP as the editor, in that order.
+.PD
+.SS Commands for Changing Text
+.PP
+.PD 0
+.TP
+.B delete\-char (C\-d)
+Delete the character at point. If point is at the
+beginning of the line, there are no characters in the line, and
+the last character typed was not bound to \fBdelete\-char\fP,
+then return
+.SM
+.BR EOF .
+.TP
+.B backward\-delete\-char (Rubout)
+Delete the character behind the cursor. When given a numeric argument,
+save the deleted text on the kill ring.
+.TP
+.B forward\-backward\-delete\-char
+Delete the character under the cursor, unless the cursor is at the
+end of the line, in which case the character behind the cursor is
+deleted.
+.TP
+.B quoted\-insert (C\-q, C\-v)
+Add the next character typed to the line verbatim. This is
+how to insert characters like \fBC\-q\fP, for example.
+.TP
+.B tab\-insert (C\-v TAB)
+Insert a tab character.
+.TP
+.B self\-insert (a,\ b,\ A,\ 1,\ !,\ ...)
+Insert the character typed.
+.TP
+.B transpose\-chars (C\-t)
+Drag the character before point forward over the character at point,
+moving point forward as well.
+If point is at the end of the line, then this transposes
+the two characters before point.
+Negative arguments have no effect.
+.TP
+.B transpose\-words (M\-t)
+Drag the word before point past the word after point,
+moving point over that word as well.
+If point is at the end of the line, this transposes
+the last two words on the line.
+.TP
+.B upcase\-word (M\-u)
+Uppercase the current (or following) word. With a negative argument,
+uppercase the previous word, but do not move point.
+.TP
+.B downcase\-word (M\-l)
+Lowercase the current (or following) word. With a negative argument,
+lowercase the previous word, but do not move point.
+.TP
+.B capitalize\-word (M\-c)
+Capitalize the current (or following) word. With a negative argument,
+capitalize the previous word, but do not move point.
+.TP
+.B overwrite\-mode
+Toggle overwrite mode. With an explicit positive numeric argument,
+switches to overwrite mode. With an explicit non-positive numeric
+argument, switches to insert mode. This command affects only
+\fBemacs\fP mode; \fBvi\fP mode does overwrite differently.
+Each call to \fIreadline()\fP starts in insert mode.
+In overwrite mode, characters bound to \fBself\-insert\fP replace
+the text at point rather than pushing the text to the right.
+Characters bound to \fBbackward\-delete\-char\fP replace the character
+before point with a space. By default, this command is unbound.
+.PD
+.SS Killing and Yanking
+.PP
+.PD 0
+.TP
+.B kill\-line (C\-k)
+Kill the text from point to the end of the line.
+.TP
+.B backward\-kill\-line (C\-x Rubout)
+Kill backward to the beginning of the line.
+.TP
+.B unix\-line\-discard (C\-u)
+Kill backward from point to the beginning of the line.
+The killed text is saved on the kill-ring.
+.\" There is no real difference between this and backward-kill-line
+.TP
+.B kill\-whole\-line
+Kill all characters on the current line, no matter where point is.
+.TP
+.B kill\-word (M\-d)
+Kill from point to the end of the current word, or if between
+words, to the end of the next word.
+Word boundaries are the same as those used by \fBforward\-word\fP.
+.TP
+.B backward\-kill\-word (M\-Rubout)
+Kill the word behind point.
+Word boundaries are the same as those used by \fBbackward\-word\fP.
+.TP
+.B shell\-kill\-word (M\-d)
+Kill from point to the end of the current word, or if between
+words, to the end of the next word.
+Word boundaries are the same as those used by \fBshell\-forward\-word\fP.
+.TP
+.B shell\-backward\-kill\-word (M\-Rubout)
+Kill the word behind point.
+Word boundaries are the same as those used by \fBshell\-backward\-word\fP.
+.TP
+.B unix\-word\-rubout (C\-w)
+Kill the word behind point, using white space as a word boundary.
+The killed text is saved on the kill-ring.
+.TP
+.B unix\-filename\-rubout
+Kill the word behind point, using white space and the slash character
+as the word boundaries.
+The killed text is saved on the kill-ring.
+.TP
+.B delete\-horizontal\-space (M\-\e)
+Delete all spaces and tabs around point.
+.TP
+.B kill\-region
+Kill the text in the current region.
+.TP
+.B copy\-region\-as\-kill
+Copy the text in the region to the kill buffer.
+.TP
+.B copy\-backward\-word
+Copy the word before point to the kill buffer.
+The word boundaries are the same as \fBbackward\-word\fP.
+.TP
+.B copy\-forward\-word
+Copy the word following point to the kill buffer.
+The word boundaries are the same as \fBforward\-word\fP.
+.TP
+.B yank (C\-y)
+Yank the top of the kill ring into the buffer at point.
+.TP
+.B yank\-pop (M\-y)
+Rotate the kill ring, and yank the new top. Only works following
+.B yank
+or
+.BR yank\-pop .
+.PD
+.SS Numeric Arguments
+.PP
+.PD 0
+.TP
+.B digit\-argument (M\-0, M\-1, ..., M\-\-)
+Add this digit to the argument already accumulating, or start a new
+argument. M\-\- starts a negative argument.
+.TP
+.B universal\-argument
+This is another way to specify an argument.
+If this command is followed by one or more digits, optionally with a
+leading minus sign, those digits define the argument.
+If the command is followed by digits, executing
+.B universal\-argument
+again ends the numeric argument, but is otherwise ignored.
+As a special case, if this command is immediately followed by a
+character that is neither a digit or minus sign, the argument count
+for the next command is multiplied by four.
+The argument count is initially one, so executing this function the
+first time makes the argument count four, a second time makes the
+argument count sixteen, and so on.
+.PD
+.SS Completing
+.PP
+.PD 0
+.TP
+.B complete (TAB)
+Attempt to perform completion on the text before point.
+.B Bash
+attempts completion treating the text as a variable (if the
+text begins with \fB$\fP), username (if the text begins with
+\fB~\fP), hostname (if the text begins with \fB@\fP), or
+command (including aliases and functions) in turn. If none
+of these produces a match, filename completion is attempted.
+.TP
+.B possible\-completions (M\-?)
+List the possible completions of the text before point.
+.TP
+.B insert\-completions (M\-*)
+Insert all completions of the text before point
+that would have been generated by
+\fBpossible\-completions\fP.
+.TP
+.B menu\-complete
+Similar to \fBcomplete\fP, but replaces the word to be completed
+with a single match from the list of possible completions.
+Repeated execution of \fBmenu\-complete\fP steps through the list
+of possible completions, inserting each match in turn.
+At the end of the list of completions, the bell is rung
+(subject to the setting of \fBbell\-style\fP)
+and the original text is restored.
+An argument of \fIn\fP moves \fIn\fP positions forward in the list
+of matches; a negative argument may be used to move backward
+through the list.
+This command is intended to be bound to \fBTAB\fP, but is unbound
+by default.
+.TP
+.B delete\-char\-or\-list
+Deletes the character under the cursor if not at the beginning or
+end of the line (like \fBdelete\-char\fP).
+If at the end of the line, behaves identically to
+\fBpossible\-completions\fP.
+This command is unbound by default.
+.TP
+.B complete\-filename (M\-/)
+Attempt filename completion on the text before point.
+.TP
+.B possible\-filename\-completions (C\-x /)
+List the possible completions of the text before point,
+treating it as a filename.
+.TP
+.B complete\-username (M\-~)
+Attempt completion on the text before point, treating
+it as a username.
+.TP
+.B possible\-username\-completions (C\-x ~)
+List the possible completions of the text before point,
+treating it as a username.
+.TP
+.B complete\-variable (M\-$)
+Attempt completion on the text before point, treating
+it as a shell variable.
+.TP
+.B possible\-variable\-completions (C\-x $)
+List the possible completions of the text before point,
+treating it as a shell variable.
+.TP
+.B complete\-hostname (M\-@)
+Attempt completion on the text before point, treating
+it as a hostname.
+.TP
+.B possible\-hostname\-completions (C\-x @)
+List the possible completions of the text before point,
+treating it as a hostname.
+.TP
+.B complete\-command (M\-!)
+Attempt completion on the text before point, treating
+it as a command name. Command completion attempts to
+match the text against aliases, reserved words, shell
+functions, shell builtins, and finally executable filenames,
+in that order.
+.TP
+.B possible\-command\-completions (C\-x !)
+List the possible completions of the text before point,
+treating it as a command name.
+.TP
+.B dynamic\-complete\-history (M\-TAB)
+Attempt completion on the text before point, comparing
+the text against lines from the history list for possible
+completion matches.
+.TP
+.B dabbrev\-expand
+Attempt menu completion on the text before point, comparing
+the text against lines from the history list for possible
+completion matches.
+.TP
+.B complete\-into\-braces (M\-{)
+Perform filename completion and insert the list of possible completions
+enclosed within braces so the list is available to the shell (see
+.B Brace Expansion
+above).
+.PD
+.SS Keyboard Macros
+.PP
+.PD 0
+.TP
+.B start\-kbd\-macro (C\-x (\^)
+Begin saving the characters typed into the current keyboard macro.
+.TP
+.B end\-kbd\-macro (C\-x )\^)
+Stop saving the characters typed into the current keyboard macro
+and store the definition.
+.TP
+.B call\-last\-kbd\-macro (C\-x e)
+Re-execute the last keyboard macro defined, by making the characters
+in the macro appear as if typed at the keyboard.
+.PD
+.SS Miscellaneous
+.PP
+.PD 0
+.TP
+.B re\-read\-init\-file (C\-x C\-r)
+Read in the contents of the \fIinputrc\fP file, and incorporate
+any bindings or variable assignments found there.
+.TP
+.B abort (C\-g)
+Abort the current editing command and
+ring the terminal's bell (subject to the setting of
+.BR bell\-style ).
+.TP
+.B do\-uppercase\-version (M\-a, M\-b, M\-\fIx\fP, ...)
+If the metafied character \fIx\fP is lowercase, run the command
+that is bound to the corresponding uppercase character.
+.TP
+.B prefix\-meta (ESC)
+Metafy the next character typed.
+.SM
+.B ESC
+.B f
+is equivalent to
+.BR Meta\-f .
+.TP
+.B undo (C\-_, C\-x C\-u)
+Incremental undo, separately remembered for each line.
+.TP
+.B revert\-line (M\-r)
+Undo all changes made to this line. This is like executing the
+.B undo
+command enough times to return the line to its initial state.
+.TP
+.B tilde\-expand (M\-&)
+Perform tilde expansion on the current word.
+.TP
+.B set\-mark (C\-@, M\-<space>)
+Set the mark to the point. If a
+numeric argument is supplied, the mark is set to that position.
+.TP
+.B exchange\-point\-and\-mark (C\-x C\-x)
+Swap the point with the mark. The current cursor position is set to
+the saved position, and the old cursor position is saved as the mark.
+.TP
+.B character\-search (C\-])
+A character is read and point is moved to the next occurrence of that
+character. A negative count searches for previous occurrences.
+.TP
+.B character\-search\-backward (M\-C\-])
+A character is read and point is moved to the previous occurrence of that
+character. A negative count searches for subsequent occurrences.
+.TP
+.B insert\-comment (M\-#)
+Without a numeric argument, the value of the readline
+.B comment\-begin
+variable is inserted at the beginning of the current line.
+If a numeric argument is supplied, this command acts as a toggle: if
+the characters at the beginning of the line do not match the value
+of \fBcomment\-begin\fP, the value is inserted, otherwise
+the characters in \fBcomment\-begin\fP are deleted from the beginning of
+the line.
+In either case, the line is accepted as if a newline had been typed.
+The default value of
+\fBcomment\-begin\fP causes this command to make the current line
+a shell comment.
+If a numeric argument causes the comment character to be removed, the line
+will be executed by the shell.
+.TP
+.B glob\-complete\-word (M\-g)
+The word before point is treated as a pattern for pathname expansion,
+with an asterisk implicitly appended. This pattern is used to
+generate a list of matching file names for possible completions.
+.TP
+.B glob\-expand\-word (C\-x *)
+The word before point is treated as a pattern for pathname expansion,
+and the list of matching file names is inserted, replacing the word.
+If a numeric argument is supplied, an asterisk is appended before
+pathname expansion.
+.TP
+.B glob\-list\-expansions (C\-x g)
+The list of expansions that would have been generated by
+.B glob\-expand\-word
+is displayed, and the line is redrawn.
+If a numeric argument is supplied, an asterisk is appended before
+pathname expansion.
+.TP
+.B dump\-functions
+Print all of the functions and their key bindings to the
+readline output stream. If a numeric argument is supplied,
+the output is formatted in such a way that it can be made part
+of an \fIinputrc\fP file.
+.TP
+.B dump\-variables
+Print all of the settable readline variables and their values to the
+readline output stream. If a numeric argument is supplied,
+the output is formatted in such a way that it can be made part
+of an \fIinputrc\fP file.
+.TP
+.B dump\-macros
+Print all of the readline key sequences bound to macros and the
+strings they output. If a numeric argument is supplied,
+the output is formatted in such a way that it can be made part
+of an \fIinputrc\fP file.
+.TP
+.B display\-shell\-version (C\-x C\-v)
+Display version information about the current instance of
+.BR bash .
+.PD
+.SS Programmable Completion
+.PP
+When word completion is attempted for an argument to a command for
+which a completion specification (a \fIcompspec\fP) has been defined
+using the \fBcomplete\fP builtin (see
+.SM
+.B "SHELL BUILTIN COMMANDS"
+below), the programmable completion facilities are invoked.
+.PP
+First, the command name is identified.
+If a compspec has been defined for that command, the
+compspec is used to generate the list of possible completions for the word.
+If the command word is a full pathname, a compspec for the full
+pathname is searched for first.
+If no compspec is found for the full pathname, an attempt is made to
+find a compspec for the portion following the final slash.
+.PP
+Once a compspec has been found, it is used to generate the list of
+matching words.
+If a compspec is not found, the default \fBbash\fP completion as
+described above under \fBCompleting\fP is performed.
+.PP
+First, the actions specified by the compspec are used.
+Only matches which are prefixed by the word being completed are
+returned.
+When the
+.B \-f
+or
+.B \-d
+option is used for filename or directory name completion, the shell
+variable
+.SM
+.B FIGNORE
+is used to filter the matches.
+.PP
+Any completions specified by a pathname expansion pattern to the
+\fB\-G\fP option are generated next.
+The words generated by the pattern need not match the word
+being completed.
+The
+.SM
+.B GLOBIGNORE
+shell variable is not used to filter the matches, but the
+.SM
+.B FIGNORE
+variable is used.
+.PP
+Next, the string specified as the argument to the \fB\-W\fP option
+is considered.
+The string is first split using the characters in the
+.SM
+.B IFS
+special variable as delimiters.
+Shell quoting is honored.
+Each word is then expanded using
+brace expansion, tilde expansion, parameter and variable expansion,
+command substitution, and arithmetic expansion,
+as described above under
+.SM
+.BR EXPANSION .
+The results are split using the rules described above under
+\fBWord Splitting\fP.
+The results of the expansion are prefix-matched against the word being
+completed, and the matching words become the possible completions.
+.PP
+After these matches have been generated, any shell function or command
+specified with the \fB\-F\fP and \fB\-C\fP options is invoked.
+When the command or function is invoked, the
+.SM
+.BR COMP_LINE ,
+.SM
+.BR COMP_POINT ,
+.SM
+.BR COMP_KEY ,
+and
+.SM
+.B COMP_TYPE
+variables are assigned values as described above under
+\fBShell Variables\fP.
+If a shell function is being invoked, the
+.SM
+.B COMP_WORDS
+and
+.SM
+.B COMP_CWORD
+variables are also set.
+When the function or command is invoked, the first argument is the
+name of the command whose arguments are being completed, the
+second argument is the word being completed, and the third argument
+is the word preceding the word being completed on the current command line.
+No filtering of the generated completions against the word being completed
+is performed; the function or command has complete freedom in generating
+the matches.
+.PP
+Any function specified with \fB\-F\fP is invoked first.
+The function may use any of the shell facilities, including the
+\fBcompgen\fP builtin described below, to generate the matches.
+It must put the possible completions in the
+.SM
+.B COMPREPLY
+array variable.
+.PP
+Next, any command specified with the \fB\-C\fP option is invoked
+in an environment equivalent to command substitution.
+It should print a list of completions, one per line, to the
+standard output.
+Backslash may be used to escape a newline, if necessary.
+.PP
+After all of the possible completions are generated, any filter
+specified with the \fB\-X\fP option is applied to the list.
+The filter is a pattern as used for pathname expansion; a \fB&\fP
+in the pattern is replaced with the text of the word being completed.
+A literal \fB&\fP may be escaped with a backslash; the backslash
+is removed before attempting a match.
+Any completion that matches the pattern will be removed from the list.
+A leading \fB!\fP negates the pattern; in this case any completion
+not matching the pattern will be removed.
+.PP
+Finally, any prefix and suffix specified with the \fB\-P\fP and \fB\-S\fP
+options are added to each member of the completion list, and the result is
+returned to the readline completion code as the list of possible
+completions.
+.PP
+If the previously-applied actions do not generate any matches, and the
+\fB\-o dirnames\fP option was supplied to \fBcomplete\fP when the
+compspec was defined, directory name completion is attempted.
+.PP
+If the \fB\-o plusdirs\fP option was supplied to \fBcomplete\fP when the
+compspec was defined, directory name completion is attempted and any
+matches are added to the results of the other actions.
+.PP
+By default, if a compspec is found, whatever it generates is returned
+to the completion code as the full set of possible completions.
+The default \fBbash\fP completions are not attempted, and the readline
+default of filename completion is disabled.
+If the \fB\-o bashdefault\fP option was supplied to \fBcomplete\fP when
+the compspec was defined, the \fBbash\fP default completions are attempted
+if the compspec generates no matches.
+If the \fB\-o default\fP option was supplied to \fBcomplete\fP when the
+compspec was defined, readline's default completion will be performed
+if the compspec (and, if attempted, the default \fBbash\fP completions)
+generate no matches.
+.PP
+When a compspec indicates that directory name completion is desired,
+the programmable completion functions force readline to append a slash
+to completed names which are symbolic links to directories, subject to
+the value of the \fBmark\-directories\fP readline variable, regardless
+of the setting of the \fBmark-symlinked\-directories\fP readline variable.
+.SH HISTORY
+When the
+.B \-o history
+option to the
+.B set
+builtin is enabled, the shell provides access to the
+\fIcommand history\fP,
+the list of commands previously typed.
+The value of the \fBHISTSIZE\fP variable is used as the
+number of commands to save in a history list.
+The text of the last
+.SM
+.B HISTSIZE
+commands (default 500) is saved. The shell
+stores each command in the history list prior to parameter and
+variable expansion (see
+.SM
+.B EXPANSION
+above) but after history expansion is performed, subject to the
+values of the shell variables
+.SM
+.B HISTIGNORE
+and
+.SM
+.BR HISTCONTROL .
+.PP
+On startup, the history is initialized from the file named by
+the variable
+.SM
+.B HISTFILE
+(default \fI~/.bash_history\fP).
+The file named by the value of
+.SM
+.B HISTFILE
+is truncated, if necessary, to contain no more than
+the number of lines specified by the value of
+.SM
+.BR HISTFILESIZE .
+When the history file is read,
+lines beginning with the history comment character followed immediately
+by a digit are interpreted as timestamps for the preceding history line.
+These timestamps are optionally displayed depending on the value of the
+.SM
+.B HISTTIMEFORMAT
+variable.
+When an interactive shell exits, the last
+.SM
+.B $HISTSIZE
+lines are copied from the history list to
+.SM
+.BR $HISTFILE .
+If the
+.B histappend
+shell option is enabled
+(see the description of
+.B shopt
+under
+.SM
+.B "SHELL BUILTIN COMMANDS"
+below), the lines are appended to the history file,
+otherwise the history file is overwritten.
+If
+.SM
+.B HISTFILE
+is unset, or if the history file is unwritable, the history is
+not saved.
+If the
+.SM
+.HISTTIMEFORMAT
+variable is set, time stamps are written to the history file, marked
+with the history comment character, so
+they may be preserved across shell sessions.
+This uses the history comment character to distinguish timestamps from
+other history lines.
+After saving the history, the history file is truncated
+to contain no more than
+.SM
+.B HISTFILESIZE
+lines. If
+.SM
+.B HISTFILESIZE
+is not set, no truncation is performed.
+.PP
+The builtin command
+.B fc
+(see
+.SM
+.B SHELL BUILTIN COMMANDS
+below) may be used to list or edit and re-execute a portion of
+the history list.
+The
+.B history
+builtin may be used to display or modify the history list and
+manipulate the history file.
+When using command-line editing, search commands
+are available in each editing mode that provide access to the
+history list.
+.PP
+The shell allows control over which commands are saved on the history
+list. The
+.SM
+.B HISTCONTROL
+and
+.SM
+.B HISTIGNORE
+variables may be set to cause the shell to save only a subset of the
+commands entered.
+The
+.B cmdhist
+shell option, if enabled, causes the shell to attempt to save each
+line of a multi-line command in the same history entry, adding
+semicolons where necessary to preserve syntactic correctness.
+The
+.B lithist
+shell option causes the shell to save the command with embedded newlines
+instead of semicolons. See the description of the
+.B shopt
+builtin below under
+.SM
+.B "SHELL BUILTIN COMMANDS"
+for information on setting and unsetting shell options.
+.SH "HISTORY EXPANSION"
+.PP
+The shell supports a history expansion feature that
+is similar to the history expansion in
+.BR csh.
+This section describes what syntax features are available. This
+feature is enabled by default for interactive shells, and can be
+disabled using the
+.B \+H
+option to the
+.B set
+builtin command (see
+.SM
+.B SHELL BUILTIN COMMANDS
+below). Non-interactive shells do not perform history expansion
+by default.
+.PP
+History expansions introduce words from the history list into
+the input stream, making it easy to repeat commands, insert the
+arguments to a previous command into the current input line, or
+fix errors in previous commands quickly.
+.PP
+History expansion is performed immediately after a complete line
+is read, before the shell breaks it into words.
+It takes place in two parts.
+The first is to determine which line from the history list
+to use during substitution.
+The second is to select portions of that line for inclusion into
+the current one.
+The line selected from the history is the \fIevent\fP,
+and the portions of that line that are acted upon are \fIwords\fP.
+Various \fImodifiers\fP are available to manipulate the selected words.
+The line is broken into words in the same fashion as when reading input,
+so that several \fImetacharacter\fP-separated words surrounded by
+quotes are considered one word.
+History expansions are introduced by the appearance of the
+history expansion character, which is \^\fB!\fP\^ by default.
+Only backslash (\^\fB\e\fP\^) and single quotes can quote
+the history expansion character.
+.PP
+Several characters inhibit history expansion if found immediately
+following the history expansion character, even if it is unquoted:
+space, tab, newline, carriage return, and \fB=\fP.
+If the \fBextglob\fP shell option is enabled, \fB(\fP will also
+inhibit expansion.
+.PP
+Several shell options settable with the
+.B shopt
+builtin may be used to tailor the behavior of history expansion.
+If the
+.B histverify
+shell option is enabled (see the description of the
+.B shopt
+builtin), and
+.B readline
+is being used, history substitutions are not immediately passed to
+the shell parser.
+Instead, the expanded line is reloaded into the
+.B readline
+editing buffer for further modification.
+If
+.B readline
+is being used, and the
+.B histreedit
+shell option is enabled, a failed history substitution will be reloaded
+into the
+.B readline
+editing buffer for correction.
+The
+.B \-p
+option to the
+.B history
+builtin command may be used to see what a history expansion will
+do before using it.
+The
+.B \-s
+option to the
+.B history
+builtin may be used to add commands to the end of the history list
+without actually executing them, so that they are available for
+subsequent recall.
+.PP
+The shell allows control of the various characters used by the
+history expansion mechanism (see the description of
+.B histchars
+above under
+.BR "Shell Variables" ).
+The shell uses
+the history comment character to mark history timestamps when
+writing the history file.
+.SS Event Designators
+.PP
+An event designator is a reference to a command line entry in the
+history list.
+.PP
+.PD 0
+.TP
+.B !
+Start a history substitution, except when followed by a
+.BR blank ,
+newline, carriage return, =
+or ( (when the \fBextglob\fP shell option is enabled using
+the \fBshopt\fP builtin).
+.TP
+.B !\fIn\fR
+Refer to command line
+.IR n .
+.TP
+.B !\-\fIn\fR
+Refer to the current command line minus
+.IR n .
+.TP
+.B !!
+Refer to the previous command. This is a synonym for `!\-1'.
+.TP
+.B !\fIstring\fR
+Refer to the most recent command starting with
+.IR string .
+.TP
+.B !?\fIstring\fR\fB[?]\fR
+Refer to the most recent command containing
+.IR string .
+The trailing \fB?\fP may be omitted if
+.I string
+is followed immediately by a newline.
+.TP
+.B \d\s+2^\s-2\u\fIstring1\fP\d\s+2^\s-2\u\fIstring2\fP\d\s+2^\s-2\u
+Quick substitution. Repeat the last command, replacing
+.I string1
+with
+.IR string2 .
+Equivalent to
+``!!:s/\fIstring1\fP/\fIstring2\fP/''
+(see \fBModifiers\fP below).
+.TP
+.B !#
+The entire command line typed so far.
+.PD
+.SS Word Designators
+.PP
+Word designators are used to select desired words from the event.
+A
+.B :
+separates the event specification from the word designator.
+It may be omitted if the word designator begins with a
+.BR ^ ,
+.BR $ ,
+.BR * ,
+.BR \- ,
+or
+.BR % .
+Words are numbered from the beginning of the line,
+with the first word being denoted by 0 (zero).
+Words are inserted into the current line separated by single spaces.
+.PP
+.PD 0
+.TP
+.B 0 (zero)
+The zeroth word. For the shell, this is the command
+word.
+.TP
+.I n
+The \fIn\fRth word.
+.TP
+.B ^
+The first argument. That is, word 1.
+.TP
+.B $
+The last argument.
+.TP
+.B %
+The word matched by the most recent `?\fIstring\fR?' search.
+.TP
+.I x\fB\-\fPy
+A range of words; `\-\fIy\fR' abbreviates `0\-\fIy\fR'.
+.TP
+.B *
+All of the words but the zeroth. This is a synonym
+for `\fI1\-$\fP'. It is not an error to use
+.B *
+if there is just one
+word in the event; the empty string is returned in that case.
+.TP
+.B x*
+Abbreviates \fIx\-$\fP.
+.TP
+.B x\-
+Abbreviates \fIx\-$\fP like \fBx*\fP, but omits the last word.
+.PD
+.PP
+If a word designator is supplied without an event specification, the
+previous command is used as the event.
+.SS Modifiers
+.PP
+After the optional word designator, there may appear a sequence of
+one or more of the following modifiers, each preceded by a `:'.
+.PP
+.PD 0
+.PP
+.TP
+.B h
+Remove a trailing file name component, leaving only the head.
+.TP
+.B t
+Remove all leading file name components, leaving the tail.
+.TP
+.B r
+Remove a trailing suffix of the form \fI.xxx\fP, leaving the
+basename.
+.TP
+.B e
+Remove all but the trailing suffix.
+.TP
+.B p
+Print the new command but do not execute it.
+.TP
+.B q
+Quote the substituted words, escaping further substitutions.
+.TP
+.B x
+Quote the substituted words as with
+.BR q ,
+but break into words at
+.B blanks
+and newlines.
+.TP
+.B s/\fIold\fP/\fInew\fP/
+Substitute
+.I new
+for the first occurrence of
+.I old
+in the event line. Any delimiter can be used in place of /. The
+final delimiter is optional if it is the last character of the
+event line. The delimiter may be quoted in
+.I old
+and
+.I new
+with a single backslash. If & appears in
+.IR new ,
+it is replaced by
+.IR old .
+A single backslash will quote the &. If
+.I old
+is null, it is set to the last
+.I old
+substituted, or, if no previous history substitutions took place,
+the last
+.I string
+in a
+.B !?\fIstring\fR\fB[?]\fR
+search.
+.TP
+.B &
+Repeat the previous substitution.
+.TP
+.B g
+Cause changes to be applied over the entire event line. This is
+used in conjunction with `\fB:s\fP' (e.g., `\fB:gs/\fIold\fP/\fInew\fP/\fR')
+or `\fB:&\fP'. If used with
+`\fB:s\fP', any delimiter can be used
+in place of /, and the final delimiter is optional
+if it is the last character of the event line.
+An \fBa\fP may be used as a synonym for \fBg\fP.
+.TP
+.B G
+Apply the following `\fBs\fP' modifier once to each word in the event line.
+.PD
+.SH "SHELL BUILTIN COMMANDS"
+.\" start of bash_builtins
+.zZ
+.PP
+Unless otherwise noted, each builtin command documented in this
+section as accepting options preceded by
+.B \-
+accepts
+.B \-\-
+to signify the end of the options.
+The \fB:\fP, \fBtrue\fP, \fBfalse\fP, and \fBtest\fP builtins
+do not accept options and do not treat \fB\-\-\fP specially.
+The \fBexit\fP, \fBlogout\fP, \fBbreak\fP, \fBcontinue\fP, \fBlet\fP,
+and \fBshift\fP builtins accept and process arguments beginning with
+\fB\-\fP without requiring \fB\-\-\fP.
+Other builtins that accept arguments but are not specified as accepting
+options interpret arguments beginning with \fB\-\fP as invalid options and
+require \fB\-\-\fP to prevent this interpretation.
+.sp .5
+.PD 0
+.TP
+\fB:\fP [\fIarguments\fP]
+.PD
+No effect; the command does nothing beyond expanding
+.I arguments
+and performing any specified
+redirections. A zero exit code is returned.
+.TP
+\fB .\| \fP \fIfilename\fP [\fIarguments\fP]
+.PD 0
+.TP
+\fBsource\fP \fIfilename\fP [\fIarguments\fP]
+.PD
+Read and execute commands from
+.I filename
+in the current
+shell environment and return the exit status of the last command
+executed from
+.IR filename .
+If
+.I filename
+does not contain a slash, file names in
+.SM
+.B PATH
+are used to find the directory containing
+.IR filename .
+The file searched for in
+.SM
+.B PATH
+need not be executable.
+When \fBbash\fP is not in \fIposix mode\fP, the current directory is
+searched if no file is found in
+.SM
+.BR PATH .
+If the
+.B sourcepath
+option to the
+.B shopt
+builtin command is turned off, the
+.SM
+.B PATH
+is not searched.
+If any \fIarguments\fP are supplied, they become the positional
+parameters when \fIfilename\fP is executed. Otherwise the positional
+parameters are unchanged.
+The return status is the status of the last command exited within
+the script (0 if no commands are executed), and false if
+.I filename
+is not found or cannot be read.
+.TP
+\fBalias\fP [\fB\-p\fP] [\fIname\fP[=\fIvalue\fP] ...]
+\fBAlias\fP with no arguments or with the
+.B \-p
+option prints the list of aliases in the form
+\fBalias\fP \fIname\fP=\fIvalue\fP on standard output.
+When arguments are supplied, an alias is defined for
+each \fIname\fP whose \fIvalue\fP is given.
+A trailing space in \fIvalue\fP causes the next word to be
+checked for alias substitution when the alias is expanded.
+For each \fIname\fP in the argument list for which no \fIvalue\fP
+is supplied, the name and value of the alias is printed.
+\fBAlias\fP returns true unless a \fIname\fP is given for which
+no alias has been defined.
+.TP
+\fBbg\fP [\fIjobspec\fP ...]
+Resume each suspended job \fIjobspec\fP in the background, as if it
+had been started with
+.BR & .
+If
+.I jobspec
+is not present, the shell's notion of the \fIcurrent job\fP is used.
+.B bg
+.I jobspec
+returns 0 unless run when job control is disabled or, when run with
+job control enabled, any specified \fIjobspec\fP was not found
+or was started without job control.
+.TP
+\fBbind\fP [\fB\-m\fP \fIkeymap\fP] [\fB\-lpsvPSV\fP]
+.PD 0
+.TP
+\fBbind\fP [\fB\-m\fP \fIkeymap\fP] [\fB\-q\fP \fIfunction\fP] [\fB\-u\fP \fIfunction\fP] [\fB\-r\fP \fIkeyseq\fP]
+.TP
+\fBbind\fP [\fB\-m\fP \fIkeymap\fP] \fB\-f\fP \fIfilename\fP
+.TP
+\fBbind\fP [\fB\-m\fP \fIkeymap\fP] \fB\-x\fP \fIkeyseq\fP:\fIshell\-command\fP
+.TP
+\fBbind\fP [\fB\-m\fP \fIkeymap\fP] \fIkeyseq\fP:\fIfunction\-name\fP
+.TP
+\fBbind\fP \fIreadline\-command\fP
+.PD
+Display current
+.B readline
+key and function bindings, bind a key sequence to a
+.B readline
+function or macro, or set a
+.B readline
+variable.
+Each non-option argument is a command as it would appear in
+.IR .inputrc ,
+but each binding or command must be passed as a separate argument;
+e.g., '"\eC\-x\eC\-r": re\-read\-init\-file'.
+Options, if supplied, have the following meanings:
+.RS
+.PD 0
+.TP
+.B \-m \fIkeymap\fP
+Use
+.I keymap
+as the keymap to be affected by the subsequent bindings.
+Acceptable
+.I keymap
+names are
+\fIemacs, emacs\-standard, emacs\-meta, emacs\-ctlx, vi,
+vi\-move, vi\-command\fP, and
+.IR vi\-insert .
+\fIvi\fP is equivalent to \fIvi\-command\fP; \fIemacs\fP is
+equivalent to \fIemacs\-standard\fP.
+.TP
+.B \-l
+List the names of all \fBreadline\fP functions.
+.TP
+.B \-p
+Display \fBreadline\fP function names and bindings in such a way
+that they can be re-read.
+.TP
+.B \-P
+List current \fBreadline\fP function names and bindings.
+.TP
+.B \-s
+Display \fBreadline\fP key sequences bound to macros and the strings
+they output in such a way that they can be re-read.
+.TP
+.B \-S
+Display \fBreadline\fP key sequences bound to macros and the strings
+they output.
+.TP
+.B \-v
+Display \fBreadline\fP variable names and values in such a way that they
+can be re-read.
+.TP
+.B \-V
+List current \fBreadline\fP variable names and values.
+.TP
+.B \-f \fIfilename\fP
+Read key bindings from \fIfilename\fP.
+.TP
+.B \-q \fIfunction\fP
+Query about which keys invoke the named \fIfunction\fP.
+.TP
+.B \-u \fIfunction\fP
+Unbind all keys bound to the named \fIfunction\fP.
+.TP
+.B \-r \fIkeyseq\fP
+Remove any current binding for \fIkeyseq\fP.
+.TP
+.B \-x \fIkeyseq\fP:\fIshell\-command\fP
+Cause \fIshell\-command\fP to be executed whenever \fIkeyseq\fP is
+entered.
+When \fIshell\-command\fP is executed, the shell sets the
+.B READLINE_LINE
+variable to the contents of the \fBreadline\fP line buffer and the
+.B READLINE_POINT
+variable to the current location of the insertion point.
+If the executed command changes the value of
+.B READLINE_LINE
+or
+.BR READLINE_POINT ,
+those new values will be reflected in the editing state.
+.PD
+.PP
+The return value is 0 unless an unrecognized option is given or an
+error occurred.
+.RE
+.TP
+\fBbreak\fP [\fIn\fP]
+Exit from within a
+.BR for ,
+.BR while ,
+.BR until ,
+or
+.B select
+loop. If \fIn\fP is specified, break \fIn\fP levels.
+.I n
+must be \(>= 1. If
+.I n
+is greater than the number of enclosing loops, all enclosing loops
+are exited.
+The return value is 0 unless \fIn\fP is not greater than or equal to 1.
+.TP
+\fBbuiltin\fP \fIshell\-builtin\fP [\fIarguments\fP]
+Execute the specified shell builtin, passing it
+.IR arguments ,
+and return its exit status.
+This is useful when defining a
+function whose name is the same as a shell builtin,
+retaining the functionality of the builtin within the function.
+The \fBcd\fP builtin is commonly redefined this way.
+The return status is false if
+.I shell\-builtin
+is not a shell builtin command.
+.TP
+\fBcaller\fP [\fIexpr\fP]
+Returns the context of any active subroutine call (a shell function or
+a script executed with the \fB.\fP or \fBsource\fP builtins.
+Without \fIexpr\fP, \fBcaller\fP displays the line number and source
+filename of the current subroutine call.
+If a non-negative integer is supplied as \fIexpr\fP, \fBcaller\fP
+displays the line number, subroutine name, and source file corresponding
+to that position in the current execution call stack. This extra
+information may be used, for example, to print a stack trace. The
+current frame is frame 0.
+The return value is 0 unless the shell is not executing a subroutine
+call or \fIexpr\fP does not correspond to a valid position in the
+call stack.
+.TP
+\fBcd\fP [\fB\-L|-P\fP] [\fIdir\fP]
+Change the current directory to \fIdir\fP. The variable
+.SM
+.B HOME
+is the
+default
+.IR dir .
+The variable
+.SM
+.B CDPATH
+defines the search path for the directory containing
+.IR dir .
+Alternative directory names in
+.SM
+.B CDPATH
+are separated by a colon (:). A null directory name in
+.SM
+.B CDPATH
+is the same as the current directory, i.e., ``\fB.\fP''. If
+.I dir
+begins with a slash (/),
+then
+.SM
+.B CDPATH
+is not used. The
+.B \-P
+option says to use the physical directory structure instead of
+following symbolic links (see also the
+.B \-P
+option to the
+.B set
+builtin command); the
+.B \-L
+option forces symbolic links to be followed. An argument of
+.B \-
+is equivalent to
+.SM
+.BR $OLDPWD .
+If a non-empty directory name from \fBCDPATH\fP is used, or if
+\fB\-\fP is the first argument, and the directory change is
+successful, the absolute pathname of the new working directory is
+written to the standard output.
+The return value is true if the directory was successfully changed;
+false otherwise.
+.TP
+\fBcommand\fP [\fB\-pVv\fP] \fIcommand\fP [\fIarg\fP ...]
+Run
+.I command
+with
+.I args
+suppressing the normal shell function lookup. Only builtin
+commands or commands found in the
+.SM
+.B PATH
+are executed. If the
+.B \-p
+option is given, the search for
+.I command
+is performed using a default value for
+.B PATH
+that is guaranteed to find all of the standard utilities.
+If either the
+.B \-V
+or
+.B \-v
+option is supplied, a description of
+.I command
+is printed. The
+.B \-v
+option causes a single word indicating the command or file name
+used to invoke
+.I command
+to be displayed; the
+.B \-V
+option produces a more verbose description.
+If the
+.B \-V
+or
+.B \-v
+option is supplied, the exit status is 0 if
+.I command
+was found, and 1 if not. If neither option is supplied and
+an error occurred or
+.I command
+cannot be found, the exit status is 127. Otherwise, the exit status of the
+.B command
+builtin is the exit status of
+.IR command .
+.TP
+\fBcompgen\fP [\fIoption\fP] [\fIword\fP]
+Generate possible completion matches for \fIword\fP according to
+the \fIoption\fPs, which may be any option accepted by the
+.B complete
+builtin with the exception of \fB\-p\fP and \fB\-r\fP, and write
+the matches to the standard output.
+When using the \fB\-F\fP or \fB\-C\fP options, the various shell variables
+set by the programmable completion facilities, while available, will not
+have useful values.
+.sp 1
+The matches will be generated in the same way as if the programmable
+completion code had generated them directly from a completion specification
+with the same flags.
+If \fIword\fP is specified, only those completions matching \fIword\fP
+will be displayed.
+.sp 1
+The return value is true unless an invalid option is supplied, or no
+matches were generated.
+.TP
+\fBcomplete\fP [\fB\-abcdefgjksuv\fP] [\fB\-o\fP \fIcomp-option\fP] [\fB\-E\fP] [\fB\-A\fP \fIaction\fP] [\fB\-G\fP \fIglobpat\fP] [\fB\-W\fP \fIwordlist\fP] [\fB\-F\fP \fIfunction\fP] [\fB\-C\fP \fIcommand\fP]
+.br
+[\fB\-X\fP \fIfilterpat\fP] [\fB\-P\fP \fIprefix\fP] [\fB\-S\fP \fIsuffix\fP] \fIname\fP [\fIname ...\fP]
+.PD 0
+.TP
+\fBcomplete\fP \fB\-pr\fP [\fB\-E\fP] [\fIname\fP ...]
+.PD
+Specify how arguments to each \fIname\fP should be completed.
+If the \fB\-p\fP option is supplied, or if no options are supplied,
+existing completion specifications are printed in a way that allows
+them to be reused as input.
+The \fB\-r\fP option removes a completion specification for
+each \fIname\fP, or, if no \fIname\fPs are supplied, all
+completion specifications.
+The \fB\-E\fP option indicates that the remaining options and actions should
+apply to ``empty'' command completion; that is, completion attempted on a
+blank line.
+.sp 1
+The process of applying these completion specifications when word completion
+is attempted is described above under \fBProgrammable Completion\fP.
+.sp 1
+Other options, if specified, have the following meanings.
+The arguments to the \fB\-G\fP, \fB\-W\fP, and \fB\-X\fP options
+(and, if necessary, the \fB\-P\fP and \fB\-S\fP options)
+should be quoted to protect them from expansion before the
+.B complete
+builtin is invoked.
+.RS
+.PD 0
+.TP 8
+\fB\-o\fP \fIcomp-option\fP
+The \fIcomp-option\fP controls several aspects of the compspec's behavior
+beyond the simple generation of completions.
+\fIcomp-option\fP may be one of:
+.RS
+.TP 8
+.B bashdefault
+Perform the rest of the default \fBbash\fP completions if the compspec
+generates no matches.
+.TP 8
+.B default
+Use readline's default filename completion if the compspec generates
+no matches.
+.TP 8
+.B dirnames
+Perform directory name completion if the compspec generates no matches.
+.TP 8
+.B filenames
+Tell readline that the compspec generates filenames, so it can perform any
+filename\-specific processing (like adding a slash to directory names,
+quoting special characters, or suppressing trailing spaces).
+Intended to be used with shell functions.
+.TP 8
+.B nospace
+Tell readline not to append a space (the default) to words completed at
+the end of the line.
+.TP 8
+.B plusdirs
+After any matches defined by the compspec are generated,
+directory name completion is attempted and any
+matches are added to the results of the other actions.
+.RE
+.TP 8
+\fB\-A\fP \fIaction\fP
+The \fIaction\fP may be one of the following to generate a list of possible
+completions:
+.RS
+.TP 8
+.B alias
+Alias names. May also be specified as \fB\-a\fP.
+.TP 8
+.B arrayvar
+Array variable names.
+.TP 8
+.B binding
+\fBReadline\fP key binding names.
+.TP 8
+.B builtin
+Names of shell builtin commands. May also be specified as \fB\-b\fP.
+.TP 8
+.B command
+Command names. May also be specified as \fB\-c\fP.
+.TP 8
+.B directory
+Directory names. May also be specified as \fB\-d\fP.
+.TP 8
+.B disabled
+Names of disabled shell builtins.
+.TP 8
+.B enabled
+Names of enabled shell builtins.
+.TP 8
+.B export
+Names of exported shell variables. May also be specified as \fB\-e\fP.
+.TP 8
+.B file
+File names. May also be specified as \fB\-f\fP.
+.TP 8
+.B function
+Names of shell functions.
+.TP 8
+.B group
+Group names. May also be specified as \fB\-g\fP.
+.TP 8
+.B helptopic
+Help topics as accepted by the \fBhelp\fP builtin.
+.TP 8
+.B hostname
+Hostnames, as taken from the file specified by the
+.SM
+.B HOSTFILE
+shell variable.
+.TP 8
+.B job
+Job names, if job control is active. May also be specified as \fB\-j\fP.
+.TP 8
+.B keyword
+Shell reserved words. May also be specified as \fB\-k\fP.
+.TP 8
+.B running
+Names of running jobs, if job control is active.
+.TP 8
+.B service
+Service names. May also be specified as \fB\-s\fP.
+.TP 8
+.B setopt
+Valid arguments for the \fB\-o\fP option to the \fBset\fP builtin.
+.TP 8
+.B shopt
+Shell option names as accepted by the \fBshopt\fP builtin.
+.TP 8
+.B signal
+Signal names.
+.TP 8
+.B stopped
+Names of stopped jobs, if job control is active.
+.TP 8
+.B user
+User names. May also be specified as \fB\-u\fP.
+.TP 8
+.B variable
+Names of all shell variables. May also be specified as \fB\-v\fP.
+.RE
+.TP 8
+\fB\-G\fP \fIglobpat\fP
+The pathname expansion pattern \fIglobpat\fP is expanded to generate
+the possible completions.
+.TP 8
+\fB\-W\fP \fIwordlist\fP
+The \fIwordlist\fP is split using the characters in the
+.SM
+.B IFS
+special variable as delimiters, and each resultant word is expanded.
+The possible completions are the members of the resultant list which
+match the word being completed.
+.TP 8
+\fB\-C\fP \fIcommand\fP
+\fIcommand\fP is executed in a subshell environment, and its output is
+used as the possible completions.
+.TP 8
+\fB\-F\fP \fIfunction\fP
+The shell function \fIfunction\fP is executed in the current shell
+environment.
+When it finishes, the possible completions are retrieved from the value
+of the
+.SM
+.B COMPREPLY
+array variable.
+.TP 8
+\fB\-X\fP \fIfilterpat\fP
+\fIfilterpat\fP is a pattern as used for pathname expansion.
+It is applied to the list of possible completions generated by the
+preceding options and arguments, and each completion matching
+\fIfilterpat\fP is removed from the list.
+A leading \fB!\fP in \fIfilterpat\fP negates the pattern; in this
+case, any completion not matching \fIfilterpat\fP is removed.
+.TP 8
+\fB\-P\fP \fIprefix\fP
+\fIprefix\fP is added at the beginning of each possible completion
+after all other options have been applied.
+.TP 8
+\fB\-S\fP \fIsuffix\fP
+\fIsuffix\fP is appended to each possible completion
+after all other options have been applied.
+.PD
+.PP
+The return value is true unless an invalid option is supplied, an option
+other than \fB\-p\fP or \fB\-r\fP is supplied without a \fIname\fP
+argument, an attempt is made to remove a completion specification for
+a \fIname\fP for which no specification exists, or
+an error occurs adding a completion specification.
+.RE
+.TP
+\fBcompopt\fP [\fB\-o\fP \fIoption\fP] [\fB+o\fP \fIoption\fP] [\fIname\fP]
+Modify completion options for each \fIname\fP according to the
+\fIoption\fPs, or for the
+currently-execution completion if no \fIname\fPs are supplied.
+If no \fIoption\fPs are given, display the completion options for each
+\fIname\fP or the current completion.
+The possible values of \fIoption\fP are those valid for the \fBcomplete\fP
+builtin described above.
+.PP
+The return value is true unless an invalid option is supplied, an attempt
+is made to modify the options for a \fIname\fP for which no completion
+specification exists, or an output error occurs.
+.TP
+\fBcontinue\fP [\fIn\fP]
+Resume the next iteration of the enclosing
+.BR for ,
+.BR while ,
+.BR until ,
+or
+.B select
+loop.
+If
+.I n
+is specified, resume at the \fIn\fPth enclosing loop.
+.I n
+must be \(>= 1. If
+.I n
+is greater than the number of enclosing loops, the last enclosing loop
+(the ``top-level'' loop) is resumed.
+The return value is 0 unless \fIn\fP is not greater than or equal to 1.
+.TP
+\fBdeclare\fP [\fB\-aAfFilrtux\fP] [\fB\-p\fP] [\fIname\fP[=\fIvalue\fP] ...]
+.PD 0
+.TP
+\fBtypeset\fP [\fB\-aAfFilrtux\fP] [\fB\-p\fP] [\fIname\fP[=\fIvalue\fP] ...]
+.PD
+Declare variables and/or give them attributes.
+If no \fIname\fPs are given then display the values of variables.
+The
+.B \-p
+option will display the attributes and values of each
+.IR name .
+When
+.B \-p
+is used with \fIname\fP arguments, additional options are ignored.
+When
+.B \-p
+is supplied without \fIname\fP arguments, it will display the attributes
+and values of all variables having the attributes specified by the
+additional options.
+If no other options are supplied with \fB\-p\fP, \fBdeclare\fP will display
+the attributes and values of all shell variables. The \fB\-f\fP option
+will restrict the display to shell functions.
+The
+.B \-F
+option inhibits the display of function definitions; only the
+function name and attributes are printed.
+If the \fBextdebug\fP shell option is enabled using \fBshopt\fP,
+the source file name and line number where the function is defined
+are displayed as well. The
+.B \-F
+option implies
+.BR \-f .
+The following options can
+be used to restrict output to variables with the specified attribute or
+to give variables attributes:
+.RS
+.PD 0
+.TP
+.B \-a
+Each \fIname\fP is an indexed array variable (see
+.B Arrays
+above).
+.TP
+.B \-A
+Each \fIname\fP is an associative array variable (see
+.B Arrays
+above).
+.TP
+.B \-f
+Use function names only.
+.TP
+.B \-i
+The variable is treated as an integer; arithmetic evaluation (see
+.SM
+.B "ARITHMETIC EVALUATION" ") "
+is performed when the variable is assigned a value.
+.TP
+.B \-l
+When the variable is assigned a value, all upper-case characters are
+converted to lower-case.
+The upper-case attribute is disabled.
+.TP
+.B \-r
+Make \fIname\fPs readonly. These names cannot then be assigned values
+by subsequent assignment statements or unset.
+.TP
+.B \-t
+Give each \fIname\fP the \fItrace\fP attribute.
+Traced functions inherit the \fBDEBUG\fP and \fBRETURN\fP traps from
+the calling shell.
+The trace attribute has no special meaning for variables.
+.TP
+.B \-u
+When the variable is assigned a value, all lower-case characters are
+converted to upper-case.
+The lower-case attribute is disabled.
+.TP
+.B \-x
+Mark \fIname\fPs for export to subsequent commands via the environment.
+.PD
+.PP
+Using `+' instead of `\-'
+turns off the attribute instead,
+with the exceptions that \fB+a\fP
+may not be used to destroy an array variable and \fB+r\fB will not
+remove the readonly attribute.
+When used in a function,
+makes each
+\fIname\fP local, as with the
+.B local
+command.
+If a variable name is followed by =\fIvalue\fP, the value of
+the variable is set to \fIvalue\fP.
+The return value is 0 unless an invalid option is encountered,
+an attempt is made to define a function using
+.if n ``\-f foo=bar'',
+.if t \f(CW\-f foo=bar\fP,
+an attempt is made to assign a value to a readonly variable,
+an attempt is made to assign a value to an array variable without
+using the compound assignment syntax (see
+.B Arrays
+above), one of the \fInames\fP is not a valid shell variable name,
+an attempt is made to turn off readonly status for a readonly variable,
+an attempt is made to turn off array status for an array variable,
+or an attempt is made to display a non-existent function with \fB\-f\fP.
+.RE
+.TP
+.B dirs [+\fIn\fP] [\-\fIn\fP] [\fB\-cplv\fP]
+Without options, displays the list of currently remembered directories.
+The default display is on a single line with directory names separated
+by spaces.
+Directories are added to the list with the
+.B pushd
+command; the
+.B popd
+command removes entries from the list.
+.RS
+.PD 0
+.TP
+\fB+\fP\fIn\fP
+Displays the \fIn\fPth entry counting from the left of the list
+shown by
+.B dirs
+when invoked without options, starting with zero.
+.TP
+\fB\-\fP\fIn\fP
+Displays the \fIn\fPth entry counting from the right of the list
+shown by
+.B dirs
+when invoked without options, starting with zero.
+.TP
+.B \-c
+Clears the directory stack by deleting all of the entries.
+.TP
+.B \-l
+Produces a longer listing; the default listing format uses a
+tilde to denote the home directory.
+.TP
+.B \-p
+Print the directory stack with one entry per line.
+.TP
+.B \-v
+Print the directory stack with one entry per line,
+prefixing each entry with its index in the stack.
+.PD
+.PP
+The return value is 0 unless an
+invalid option is supplied or \fIn\fP indexes beyond the end
+of the directory stack.
+.RE
+.TP
+\fBdisown\fP [\fB\-ar\fP] [\fB\-h\fP] [\fIjobspec\fP ...]
+Without options, each
+.I jobspec
+is removed from the table of active jobs.
+If
+.I jobspec
+is not present, and neither \fB\-a\fB nor \fB\-r\fP is supplied,
+the shell's notion of the \fIcurrent job\fP is used.
+If the \fB\-h\fP option is given, each
+.I jobspec
+is not removed from the table, but is marked so that
+.SM
+.B SIGHUP
+is not sent to the job if the shell receives a
+.SM
+.BR SIGHUP .
+If no
+.I jobspec
+is present, and neither the
+.B \-a
+nor the
+.B \-r
+option is supplied, the \fIcurrent job\fP is used.
+If no
+.I jobspec
+is supplied, the
+.B \-a
+option means to remove or mark all jobs; the
+.B \-r
+option without a
+.I jobspec
+argument restricts operation to running jobs.
+The return value is 0 unless a
+.I jobspec
+does not specify a valid job.
+.TP
+\fBecho\fP [\fB\-neE\fP] [\fIarg\fP ...]
+Output the \fIarg\fPs, separated by spaces, followed by a newline.
+The return status is always 0.
+If \fB\-n\fP is specified, the trailing newline is
+suppressed. If the \fB\-e\fP option is given, interpretation of
+the following backslash-escaped characters is enabled. The
+.B \-E
+option disables the interpretation of these escape characters,
+even on systems where they are interpreted by default.
+The \fBxpg_echo\fP shell option may be used to
+dynamically determine whether or not \fBecho\fP expands these
+escape characters by default.
+.B echo
+does not interpret \fB\-\-\fP to mean the end of options.
+.B echo
+interprets the following escape sequences:
+.RS
+.PD 0
+.TP
+.B \ea
+alert (bell)
+.TP
+.B \eb
+backspace
+.TP
+.B \ec
+suppress further output
+.TP
+.B \ee
+an escape character
+.TP
+.B \ef
+form feed
+.TP
+.B \en
+new line
+.TP
+.B \er
+carriage return
+.TP
+.B \et
+horizontal tab
+.TP
+.B \ev
+vertical tab
+.TP
+.B \e\e
+backslash
+.TP
+.B \e0\fInnn\fP
+the eight-bit character whose value is the octal value \fInnn\fP
+(zero to three octal digits)
+.TP
+.B \ex\fIHH\fP
+the eight-bit character whose value is the hexadecimal value \fIHH\fP
+(one or two hex digits)
+.PD
+.RE
+.TP
+\fBenable\fP [\fB\-a\fP] [\fB\-dnps\fP] [\fB\-f\fP \fIfilename\fP] [\fIname\fP ...]
+Enable and disable builtin shell commands.
+Disabling a builtin allows a disk command which has the same name
+as a shell builtin to be executed without specifying a full pathname,
+even though the shell normally searches for builtins before disk commands.
+If \fB\-n\fP is used, each \fIname\fP
+is disabled; otherwise,
+\fInames\fP are enabled. For example, to use the
+.B test
+binary found via the
+.SM
+.B PATH
+instead of the shell builtin version, run
+.if t \f(CWenable -n test\fP.
+.if n ``enable -n test''.
+The
+.B \-f
+option means to load the new builtin command
+.I name
+from shared object
+.IR filename ,
+on systems that support dynamic loading. The
+.B \-d
+option will delete a builtin previously loaded with
+.BR \-f .
+If no \fIname\fP arguments are given, or if the
+.B \-p
+option is supplied, a list of shell builtins is printed.
+With no other option arguments, the list consists of all enabled
+shell builtins.
+If \fB\-n\fP is supplied, only disabled builtins are printed.
+If \fB\-a\fP is supplied, the list printed includes all builtins, with an
+indication of whether or not each is enabled.
+If \fB\-s\fP is supplied, the output is restricted to the POSIX
+\fIspecial\fP builtins.
+The return value is 0 unless a
+.I name
+is not a shell builtin or there is an error loading a new builtin
+from a shared object.
+.TP
+\fBeval\fP [\fIarg\fP ...]
+The \fIarg\fPs are read and concatenated together into a single
+command. This command is then read and executed by the shell, and
+its exit status is returned as the value of
+.BR eval .
+If there are no
+.IR args ,
+or only null arguments,
+.B eval
+returns 0.
+.TP
+\fBexec\fP [\fB\-cl\fP] [\fB\-a\fP \fIname\fP] [\fIcommand\fP [\fIarguments\fP]]
+If
+.I command
+is specified, it replaces the shell.
+No new process is created. The
+.I arguments
+become the arguments to \fIcommand\fP.
+If the
+.B \-l
+option is supplied,
+the shell places a dash at the beginning of the zeroth argument passed to
+.IR command .
+This is what
+.IR login (1)
+does. The
+.B \-c
+option causes
+.I command
+to be executed with an empty environment. If
+.B \-a
+is supplied, the shell passes
+.I name
+as the zeroth argument to the executed command. If
+.I command
+cannot be executed for some reason, a non-interactive shell exits,
+unless the shell option
+.B execfail
+is enabled, in which case it returns failure.
+An interactive shell returns failure if the file cannot be executed.
+If
+.I command
+is not specified, any redirections take effect in the current shell,
+and the return status is 0. If there is a redirection error, the
+return status is 1.
+.TP
+\fBexit\fP [\fIn\fP]
+Cause the shell to exit
+with a status of \fIn\fP. If
+.I n
+is omitted, the exit status
+is that of the last command executed.
+A trap on
+.SM
+.B EXIT
+is executed before the shell terminates.
+.TP
+\fBexport\fP [\fB\-fn\fP\^] [\fIname\fP[=\fIword\fP]] ...
+.PD 0
+.TP
+.B export \-p
+.PD
+The supplied
+.I names
+are marked for automatic export to the environment of
+subsequently executed commands. If the
+.B \-f
+option is given,
+the
+.I names
+refer to functions.
+If no
+.I names
+are given, or if the
+.B \-p
+option is supplied, a list
+of all names that are exported in this shell is printed.
+The
+.B \-n
+option causes the export property to be removed from each
+\fIname\fP.
+If a variable name is followed by =\fIword\fP, the value of
+the variable is set to \fIword\fP.
+.B export
+returns an exit status of 0 unless an invalid option is
+encountered,
+one of the \fInames\fP is not a valid shell variable name, or
+.B \-f
+is supplied with a
+.I name
+that is not a function.
+.TP
+\fBfc\fP [\fB\-e\fP \fIename\fP] [\fB\-lnr\fP] [\fIfirst\fP] [\fIlast\fP]
+.PD 0
+.TP
+\fBfc\fP \fB\-s\fP [\fIpat\fP=\fIrep\fP] [\fIcmd\fP]
+.PD
+Fix Command. In the first form, a range of commands from
+.I first
+to
+.I last
+is selected from the history list.
+.I First
+and
+.I last
+may be specified as a string (to locate the last command beginning
+with that string) or as a number (an index into the history list,
+where a negative number is used as an offset from the current
+command number). If
+.I last
+is not specified it is set to
+the current command for listing (so that
+.if n ``fc \-l \-10''
+.if t \f(CWfc \-l \-10\fP
+prints the last 10 commands) and to
+.I first
+otherwise.
+If
+.I first
+is not specified it is set to the previous
+command for editing and \-16 for listing.
+.sp 1
+The
+.B \-n
+option suppresses
+the command numbers when listing. The
+.B \-r
+option reverses the order of
+the commands. If the
+.B \-l
+option is given,
+the commands are listed on
+standard output. Otherwise, the editor given by
+.I ename
+is invoked
+on a file containing those commands. If
+.I ename
+is not given, the
+value of the
+.SM
+.B FCEDIT
+variable is used, and
+the value of
+.SM
+.B EDITOR
+if
+.SM
+.B FCEDIT
+is not set. If neither variable is set,
+.FN vi
+is used. When editing is complete, the edited commands are
+echoed and executed.
+.sp 1
+In the second form, \fIcommand\fP is re-executed after each instance
+of \fIpat\fP is replaced by \fIrep\fP.
+A useful alias to use with this is
+.if n ``r="fc -s"'',
+.if t \f(CWr='fc \-s'\fP,
+so that typing
+.if n ``r cc''
+.if t \f(CWr cc\fP
+runs the last command beginning with
+.if n ``cc''
+.if t \f(CWcc\fP
+and typing
+.if n ``r''
+.if t \f(CWr\fP
+re-executes the last command.
+.sp 1
+If the first form is used, the return value is 0 unless an invalid
+option is encountered or
+.I first
+or
+.I last
+specify history lines out of range.
+If the
+.B \-e
+option is supplied, the return value is the value of the last
+command executed or failure if an error occurs with the temporary
+file of commands. If the second form is used, the return status
+is that of the command re-executed, unless
+.I cmd
+does not specify a valid history line, in which case
+.B fc
+returns failure.
+.TP
+\fBfg\fP [\fIjobspec\fP]
+Resume
+.I jobspec
+in the foreground, and make it the current job.
+If
+.I jobspec
+is not present, the shell's notion of the \fIcurrent job\fP is used.
+The return value is that of the command placed into the foreground,
+or failure if run when job control is disabled or, when run with
+job control enabled, if
+.I jobspec
+does not specify a valid job or
+.I jobspec
+specifies a job that was started without job control.
+.TP
+\fBgetopts\fP \fIoptstring\fP \fIname\fP [\fIargs\fP]
+.B getopts
+is used by shell procedures to parse positional parameters.
+.I optstring
+contains the option characters to be recognized; if a character
+is followed by a colon, the option is expected to have an
+argument, which should be separated from it by white space.
+The colon and question mark characters may not be used as
+option characters.
+Each time it is invoked,
+.B getopts
+places the next option in the shell variable
+.IR name ,
+initializing
+.I name
+if it does not exist,
+and the index of the next argument to be processed into the
+variable
+.SM
+.BR OPTIND .
+.SM
+.B OPTIND
+is initialized to 1 each time the shell or a shell script
+is invoked. When an option requires an argument,
+.B getopts
+places that argument into the variable
+.SM
+.BR OPTARG .
+The shell does not reset
+.SM
+.B OPTIND
+automatically; it must be manually reset between multiple
+calls to
+.B getopts
+within the same shell invocation if a new set of parameters
+is to be used.
+.sp 1
+When the end of options is encountered, \fBgetopts\fP exits with a
+return value greater than zero.
+\fBOPTIND\fP is set to the index of the first non-option argument,
+and \fBname\fP is set to ?.
+.sp 1
+.B getopts
+normally parses the positional parameters, but if more arguments are
+given in
+.IR args ,
+.B getopts
+parses those instead.
+.sp 1
+.B getopts
+can report errors in two ways. If the first character of
+.I optstring
+is a colon,
+.I silent
+error reporting is used. In normal operation diagnostic messages
+are printed when invalid options or missing option arguments are
+encountered.
+If the variable
+.SM
+.B OPTERR
+is set to 0, no error messages will be displayed, even if the first
+character of
+.I optstring
+is not a colon.
+.sp 1
+If an invalid option is seen,
+.B getopts
+places ? into
+.I name
+and, if not silent,
+prints an error message and unsets
+.SM
+.BR OPTARG .
+If
+.B getopts
+is silent,
+the option character found is placed in
+.SM
+.B OPTARG
+and no diagnostic message is printed.
+.sp 1
+If a required argument is not found, and
+.B getopts
+is not silent,
+a question mark (\^\fB?\fP\^) is placed in
+.IR name ,
+.SM
+.B OPTARG
+is unset, and a diagnostic message is printed.
+If
+.B getopts
+is silent, then a colon (\^\fB:\fP\^) is placed in
+.I name
+and
+.SM
+.B OPTARG
+is set to the option character found.
+.sp 1
+.B getopts
+returns true if an option, specified or unspecified, is found.
+It returns false if the end of options is encountered or an
+error occurs.
+.TP
+\fBhash\fP [\fB\-lr\fP] [\fB\-p\fP \fIfilename\fP] [\fB\-dt\fP] [\fIname\fP]
+For each
+.IR name ,
+the full file name of the command is determined by searching
+the directories in
+.B $PATH
+and remembered.
+If the
+.B \-p
+option is supplied, no path search is performed, and
+.I filename
+is used as the full file name of the command.
+The
+.B \-r
+option causes the shell to forget all
+remembered locations.
+The
+.B \-d
+option causes the shell to forget the remembered location of each \fIname\fP.
+If the
+.B \-t
+option is supplied, the full pathname to which each \fIname\fP corresponds
+is printed. If multiple \fIname\fP arguments are supplied with \fB\-t\fP,
+the \fIname\fP is printed before the hashed full pathname.
+The
+.B \-l
+option causes output to be displayed in a format that may be reused as input.
+If no arguments are given, or if only \fB\-l\fP is supplied,
+information about remembered commands is printed.
+The return status is true unless a
+.I name
+is not found or an invalid option is supplied.
+.TP
+\fBhelp\fP [\fB\-dms\fP] [\fIpattern\fP]
+Display helpful information about builtin commands. If
+.I pattern
+is specified,
+.B help
+gives detailed help on all commands matching
+.IR pattern ;
+otherwise help for all the builtins and shell control structures
+is printed.
+.RS
+.PD 0
+.TP
+.B \-d
+Display a short description of each \fIpattern\fP
+.TP
+.B \-m
+Display the description of each \fIpattern\fP in a manpage-like format
+.TP
+.B \-s
+Display only a short usage synopsis for each \fIpattern\fP
+.PD
+.RE
+The return status is 0 unless no command matches
+.IR pattern .
+.TP
+\fBhistory [\fIn\fP]
+.PD 0
+.TP
+\fBhistory\fP \fB\-c\fP
+.TP
+\fBhistory \-d\fP \fIoffset\fP
+.TP
+\fBhistory\fP \fB\-anrw\fP [\fIfilename\fP]
+.TP
+\fBhistory\fP \fB\-p\fP \fIarg\fP [\fIarg ...\fP]
+.TP
+\fBhistory\fP \fB\-s\fP \fIarg\fP [\fIarg ...\fP]
+.PD
+With no options, display the command
+history list with line numbers. Lines listed
+with a
+.B *
+have been modified. An argument of
+.I n
+lists only the last
+.I n
+lines.
+If the shell variable \fBHISTTIMEFORMAT\fP is set and not null,
+it is used as a format string for \fIstrftime\fP(3) to display
+the time stamp associated with each displayed history entry.
+No intervening blank is printed between the formatted time stamp
+and the history line.
+If \fIfilename\fP is supplied, it is used as the
+name of the history file; if not, the value of
+.SM
+.B HISTFILE
+is used. Options, if supplied, have the following meanings:
+.RS
+.PD 0
+.TP
+.B \-c
+Clear the history list by deleting all the entries.
+.TP
+\fB\-d\fP \fIoffset\fP
+Delete the history entry at position \fIoffset\fP.
+.TP
+.B \-a
+Append the ``new'' history lines (history lines entered since the
+beginning of the current \fBbash\fP session) to the history file.
+.TP
+.B \-n
+Read the history lines not already read from the history
+file into the current history list. These are lines
+appended to the history file since the beginning of the
+current \fBbash\fP session.
+.TP
+.B \-r
+Read the contents of the history file
+and use them as the current history.
+.TP
+.B \-w
+Write the current history to the history file, overwriting the
+history file's contents.
+.TP
+.B \-p
+Perform history substitution on the following \fIargs\fP and display
+the result on the standard output.
+Does not store the results in the history list.
+Each \fIarg\fP must be quoted to disable normal history expansion.
+.TP
+.B \-s
+Store the
+.I args
+in the history list as a single entry. The last command in the
+history list is removed before the
+.I args
+are added.
+.PD
+.PP
+If the \fBHISTTIMEFORMAT\fP is set, the time stamp information
+associated with each history entry is written to the history file,
+marked with the history comment character.
+When the history file is read, lines beginning with the history
+comment character followed immediately by a digit are interpreted
+as timestamps for the previous history line.
+The return value is 0 unless an invalid option is encountered, an
+error occurs while reading or writing the history file, an invalid
+\fIoffset\fP is supplied as an argument to \fB\-d\fP, or the
+history expansion supplied as an argument to \fB\-p\fP fails.
+.RE
+.TP
+\fBjobs\fP [\fB\-lnprs\fP] [ \fIjobspec\fP ... ]
+.PD 0
+.TP
+\fBjobs\fP \fB\-x\fP \fIcommand\fP [ \fIargs\fP ... ]
+.PD
+The first form lists the active jobs. The options have the following
+meanings:
+.RS
+.PD 0
+.TP
+.B \-l
+List process IDs
+in addition to the normal information.
+.TP
+.B \-p
+List only the process ID of the job's process group
+leader.
+.TP
+.B \-n
+Display information only about jobs that have changed status since
+the user was last notified of their status.
+.TP
+.B \-r
+Restrict output to running jobs.
+.TP
+.B \-s
+Restrict output to stopped jobs.
+.PD
+.PP
+If
+.I jobspec
+is given, output is restricted to information about that job.
+The return status is 0 unless an invalid option is encountered
+or an invalid
+.I jobspec
+is supplied.
+.PP
+If the
+.B \-x
+option is supplied,
+.B jobs
+replaces any
+.I jobspec
+found in
+.I command
+or
+.I args
+with the corresponding process group ID, and executes
+.I command
+passing it
+.IR args ,
+returning its exit status.
+.RE
+.TP
+\fBkill\fP [\fB\-s\fP \fIsigspec\fP | \fB\-n\fP \fIsignum\fP | \fB\-\fP\fIsigspec\fP] [\fIpid\fP | \fIjobspec\fP] ...
+.PD 0
+.TP
+\fBkill\fP \fB\-l\fP [\fIsigspec\fP | \fIexit_status\fP]
+.PD
+Send the signal named by
+.I sigspec
+or
+.I signum
+to the processes named by
+.I pid
+or
+.IR jobspec .
+.I sigspec
+is either a case-insensitive signal name such as
+.SM
+.B SIGKILL
+(with or without the
+.SM
+.B SIG
+prefix) or a signal number;
+.I signum
+is a signal number.
+If
+.I sigspec
+is not present, then
+.SM
+.B SIGTERM
+is assumed.
+An argument of
+.B \-l
+lists the signal names.
+If any arguments are supplied when
+.B \-l
+is given, the names of the signals corresponding to the arguments are
+listed, and the return status is 0.
+The \fIexit_status\fP argument to
+.B \-l
+is a number specifying either a signal number or the exit status of
+a process terminated by a signal.
+.B kill
+returns true if at least one signal was successfully sent, or false
+if an error occurs or an invalid option is encountered.
+.TP
+\fBlet\fP \fIarg\fP [\fIarg\fP ...]
+Each
+.I arg
+is an arithmetic expression to be evaluated (see
+.SM
+.BR "ARITHMETIC EVALUATION" ).
+If the last
+.I arg
+evaluates to 0,
+.B let
+returns 1; 0 is returned otherwise.
+.TP
+\fBlocal\fP [\fIoption\fP] [\fIname\fP[=\fIvalue\fP] ...]
+For each argument, a local variable named
+.I name
+is created, and assigned
+.IR value .
+The \fIoption\fP can be any of the options accepted by \fBdeclare\fP.
+When
+.B local
+is used within a function, it causes the variable
+.I name
+to have a visible scope restricted to that function and its children.
+With no operands,
+.B local
+writes a list of local variables to the standard output. It is
+an error to use
+.B local
+when not within a function. The return status is 0 unless
+.B local
+is used outside a function, an invalid
+.I name
+is supplied, or
+\fIname\fP is a readonly variable.
+.TP
+.B logout
+Exit a login shell.
+.TP
+\fBmapfile\fP [\fB\-n\fP \fIcount\fP] [\fB\-O\fP \fIorigin\fP] [\fB\-s\fP \fIcount\fP] [\fB\-t\fP] [\fB\-u\fP \fIfd\fP] [\fB\-C\fP \fIcallback\fP] [\fB\-c\fP \fIquantum\fP] [\fIarray\fP]
+.PD 0
+.TP
+\fBreadarray\fP [\fB\-n\fP \fIcount\fP] [\fB\-O\fP \fIorigin\fP] [\fB\-s\fP \fIcount\fP] [\fB\-t\fP] [\fB\-u\fP \fIfd\fP] [\fB\-C\fP \fIcallback\fP] [\fB\-c\fP \fIquantum\fP] [\fIarray\fP]
+.PD
+Read lines from the standard input into array variable
+.IR array ,
+or from file descriptor
+.IR fd
+if the
+.B \-u
+option is supplied.
+The variable \fBMAPFILE\fP is the default \fIarray\fP.
+Options, if supplied, have the following meanings:
+.RS
+.PD 0
+.TP
+.B \-n
+Copy at most
+.I count
+lines. If \fIcount\fP is 0, all lines are copied.
+.TP
+.B \-O
+Begin assigning to
+.I array
+at index
+.IR origin .
+The default index is 0.
+.TP
+.B \-s
+Discard the first \fIcount\fP lines read.
+.TP
+.B \-t
+Remove a trailing line from each line read.
+.TP
+.B \-u
+Read lines from file descriptor \fIfd\fP instead of the standard input.
+.TP
+.B \-C
+Evaluate
+.I callback
+each time \fIquantum\fP lines are read. The \fB\-c\fP option specifies
+.IR quantum .
+.TP
+.B \-c
+Specify the number of lines read between each call to
+.IR callback .
+.PD
+.PP
+If
+.B \-C
+is specified without
+.BR \-c ,
+the default quantum is 5000.
+When \fIcallback\fP is evaluated, it is supplied the index of the next
+array element to be assigned as an additional argument.
+\fIcallback\fP is evaluated after the line is read but before the
+array element is assigned.
+.PP
+If not supplied with an explicit origin, \fBmapfile\fP will clear \fIarray\fP
+before assigning to it.
+.PP
+\fBmapfile\fP returns successfully unless an invalid option or option
+argument is supplied, or \fIarray\fP is invalid or unassignable.
+.RE
+.TP
+\fBpopd\fP [\-\fBn\fP] [+\fIn\fP] [\-\fIn\fP]
+Removes entries from the directory stack. With no arguments,
+removes the top directory from the stack, and performs a
+.B cd
+to the new top directory.
+Arguments, if supplied, have the following meanings:
+.RS
+.PD 0
+.TP
+.B \-n
+Suppresses the normal change of directory when removing directories
+from the stack, so that only the stack is manipulated.
+.TP
+\fB+\fP\fIn\fP
+Removes the \fIn\fPth entry counting from the left of the list
+shown by
+.BR dirs ,
+starting with zero. For example:
+.if n ``popd +0''
+.if t \f(CWpopd +0\fP
+removes the first directory,
+.if n ``popd +1''
+.if t \f(CWpopd +1\fP
+the second.
+.TP
+\fB\-\fP\fIn\fP
+Removes the \fIn\fPth entry counting from the right of the list
+shown by
+.BR dirs ,
+starting with zero. For example:
+.if n ``popd -0''
+.if t \f(CWpopd -0\fP
+removes the last directory,
+.if n ``popd -1''
+.if t \f(CWpopd -1\fP
+the next to last.
+.PD
+.PP
+If the
+.B popd
+command is successful, a
+.B dirs
+is performed as well, and the return status is 0.
+.B popd
+returns false if an invalid option is encountered, the directory stack
+is empty, a non-existent directory stack entry is specified, or the
+directory change fails.
+.RE
+.TP
+\fBprintf\fP [\fB\-v\fP \fIvar\fP] \fIformat\fP [\fIarguments\fP]
+Write the formatted \fIarguments\fP to the standard output under the
+control of the \fIformat\fP.
+The \fIformat\fP is a character string which contains three types of objects:
+plain characters, which are simply copied to standard output, character
+escape sequences, which are converted and copied to the standard output, and
+format specifications, each of which causes printing of the next successive
+\fIargument\fP.
+In addition to the standard \fIprintf\fP(1) formats, \fB%b\fP causes
+\fBprintf\fP to expand backslash escape sequences in the corresponding
+\fIargument\fP (except that \fB\ec\fP terminates output, backslashes in
+\fB\e\(aq\fP, \fB\e"\fP, and \fB\e?\fP are not removed, and octal escapes
+beginning with \fB\e0\fP may contain up to four digits),
+and \fB%q\fP causes \fBprintf\fP to output the corresponding
+\fIargument\fP in a format that can be reused as shell input.
+.sp 1
+The \fB\-v\fP option causes the output to be assigned to the variable
+\fIvar\fP rather than being printed to the standard output.
+.sp 1
+The \fIformat\fP is reused as necessary to consume all of the \fIarguments\fP.
+If the \fIformat\fP requires more \fIarguments\fP than are supplied, the
+extra format specifications behave as if a zero value or null string, as
+appropriate, had been supplied. The return value is zero on success,
+non-zero on failure.
+.TP
+\fBpushd\fP [\fB\-n\fP] [+\fIn\fP] [\-\fIn\fP]
+.PD 0
+.TP
+\fBpushd\fP [\fB\-n\fP] [\fIdir\fP]
+.PD
+Adds a directory to the top of the directory stack, or rotates
+the stack, making the new top of the stack the current working
+directory. With no arguments, exchanges the top two directories
+and returns 0, unless the directory stack is empty.
+Arguments, if supplied, have the following meanings:
+.RS
+.PD 0
+.TP
+.B \-n
+Suppresses the normal change of directory when adding directories
+to the stack, so that only the stack is manipulated.
+.TP
+\fB+\fP\fIn\fP
+Rotates the stack so that the \fIn\fPth directory
+(counting from the left of the list shown by
+.BR dirs ,
+starting with zero)
+is at the top.
+.TP
+\fB\-\fP\fIn\fP
+Rotates the stack so that the \fIn\fPth directory
+(counting from the right of the list shown by
+.BR dirs ,
+starting with zero) is at the top.
+.TP
+.I dir
+Adds
+.I dir
+to the directory stack at the top, making it the
+new current working directory.
+.PD
+.PP
+If the
+.B pushd
+command is successful, a
+.B dirs
+is performed as well.
+If the first form is used,
+.B pushd
+returns 0 unless the cd to
+.I dir
+fails. With the second form,
+.B pushd
+returns 0 unless the directory stack is empty,
+a non-existent directory stack element is specified,
+or the directory change to the specified new current directory
+fails.
+.RE
+.TP
+\fBpwd\fP [\fB\-LP\fP]
+Print the absolute pathname of the current working directory.
+The pathname printed contains no symbolic links if the
+.B \-P
+option is supplied or the
+.B \-o physical
+option to the
+.B set
+builtin command is enabled.
+If the
+.B \-L
+option is used, the pathname printed may contain symbolic links.
+The return status is 0 unless an error occurs while
+reading the name of the current directory or an
+invalid option is supplied.
+.TP
+\fBread\fP [\fB\-ers\fP] [\fB\-a\fP \fIaname\fP] [\fB\-d\fP \fIdelim\fP] [\fB\-i\fP \fItext\fP] [\fB\-n\fP \fInchars\fP] [\fB\-p\fP \fIprompt\fP] [\fB\-t\fP \fItimeout\fP] [\fB\-u\fP \fIfd\fP] [\fIname\fP ...]
+One line is read from the standard input, or from the file descriptor
+\fIfd\fP supplied as an argument to the \fB\-u\fP option, and the first word
+is assigned to the first
+.IR name ,
+the second word to the second
+.IR name ,
+and so on, with leftover words and their intervening separators assigned
+to the last
+.IR name .
+If there are fewer words read from the input stream than names,
+the remaining names are assigned empty values.
+The characters in
+.SM
+.B IFS
+are used to split the line into words.
+The backslash character (\fB\e\fP) may be used to remove any special
+meaning for the next character read and for line continuation.
+Options, if supplied, have the following meanings:
+.RS
+.PD 0
+.TP
+.B \-a \fIaname\fP
+The words are assigned to sequential indices
+of the array variable
+.IR aname ,
+starting at 0.
+.I aname
+is unset before any new values are assigned.
+Other \fIname\fP arguments are ignored.
+.TP
+.B \-d \fIdelim\fP
+The first character of \fIdelim\fP is used to terminate the input line,
+rather than newline.
+.TP
+.B \-e
+If the standard input
+is coming from a terminal,
+.B readline
+(see
+.SM
+.B READLINE
+above) is used to obtain the line.
+Readline uses the current (or default, if line editing was not previously
+active) editing settings.
+.TP
+.B \-i \fItext\fP
+If
+.B readline
+is being used to read the line, \fItext\fP is placed into the editing
+buffer before editing begins.
+.TP
+.B \-n \fInchars\fP
+\fBread\fP returns after reading \fInchars\fP characters rather than
+waiting for a complete line of input.
+.TP
+.B \-p \fIprompt\fP
+Display \fIprompt\fP on standard error, without a
+trailing newline, before attempting to read any input. The prompt
+is displayed only if input is coming from a terminal.
+.TP
+.B \-r
+Backslash does not act as an escape character.
+The backslash is considered to be part of the line.
+In particular, a backslash-newline pair may not be used as a line
+continuation.
+.TP
+.B \-s
+Silent mode. If input is coming from a terminal, characters are
+not echoed.
+.TP
+.B \-t \fItimeout\fP
+Cause \fBread\fP to time out and return failure if a complete line of
+input is not read within \fItimeout\fP seconds.
+\fItimeout\fP may be a decimal number with a fractional portion following
+the decimal point.
+This option is only effective if \fBread\fP is reading input from a
+terminal, pipe, or other special file; it has no effect when reading
+from regular files.
+If \fItimeout\fP is 0, \fBread\fP returns success if input is available on
+the specified file descriptor, failure otherwise.
+The exit status is greater than 128 if the timeout is exceeded.
+.TP
+.B \-u \fIfd\fP
+Read input from file descriptor \fIfd\fP.
+.PD
+.PP
+If no
+.I names
+are supplied, the line read is assigned to the variable
+.SM
+.BR REPLY .
+The return code is zero, unless end-of-file is encountered, \fBread\fP
+times out (in which case the return code is greater than 128), or an
+invalid file descriptor is supplied as the argument to \fB\-u\fP.
+.RE
+.TP
+\fBreadonly\fP [\fB\-aApf\fP] [\fIname\fP[=\fIword\fP] ...]
+.PD
+The given
+\fInames\fP are marked readonly; the values of these
+.I names
+may not be changed by subsequent assignment.
+If the
+.B \-f
+option is supplied, the functions corresponding to the
+\fInames\fP are so
+marked.
+The
+.B \-a
+option restricts the variables to indexed arrays; the
+.B \-A
+option restricts the variables to associative arrays.
+If no
+.I name
+arguments are given, or if the
+.B \-p
+option is supplied, a list of all readonly names is printed.
+The
+.B \-p
+option causes output to be displayed in a format that
+may be reused as input.
+If a variable name is followed by =\fIword\fP, the value of
+the variable is set to \fIword\fP.
+The return status is 0 unless an invalid option is encountered,
+one of the
+.I names
+is not a valid shell variable name, or
+.B \-f
+is supplied with a
+.I name
+that is not a function.
+.TP
+\fBreturn\fP [\fIn\fP]
+Causes a function to exit with the return value specified by
+.IR n .
+If
+.I n
+is omitted, the return status is that of the last command
+executed in the function body. If used outside a function,
+but during execution of a script by the
+.B .
+(\fBsource\fP) command, it causes the shell to stop executing
+that script and return either
+.I n
+or the exit status of the last command executed within the
+script as the exit status of the script. If used outside a
+function and not during execution of a script by \fB.\fP\^,
+the return status is false.
+Any command associated with the \fBRETURN\fP trap is executed
+before execution resumes after the function or script.
+.TP
+\fBset\fP [\fB\-\-abefhkmnptuvxBCEHPT\fP] [\fB\-o\fP \fIoption\fP] [\fIarg\fP ...]
+.PD 0
+.TP
+\fBset\fP [\fB+abefhkmnptuvxBCEHPT\fP] [\fB+o\fP \fIoption\fP] [\fIarg\fP ...]
+.PD
+Without options, the name and value of each shell variable are displayed
+in a format that can be reused as input
+for setting or resetting the currently-set variables.
+Read-only variables cannot be reset.
+In \fIposix mode\fP, only shell variables are listed.
+The output is sorted according to the current locale.
+When options are specified, they set or unset shell attributes.
+Any arguments remaining after option processing are treated
+as values for the positional parameters and are assigned, in order, to
+.BR $1 ,
+.BR $2 ,
+.B ...
+.BR $\fIn\fP .
+Options, if specified, have the following meanings:
+.RS
+.PD 0
+.TP 8
+.B \-a
+Automatically mark variables and functions which are modified or
+created for export to the environment of subsequent commands.
+.TP 8
+.B \-b
+Report the status of terminated background jobs
+immediately, rather than before the next primary prompt. This is
+effective only when job control is enabled.
+.TP 8
+.B \-e
+Exit immediately if a \fIpipeline\fP (which may consist of a single
+\fIsimple command\fP), a \fIsubshell\fP command enclosed in parentheses,
+or one of the commands executed as part of a command list enclosed
+by braces (see
+.SM
+.B SHELL GRAMMAR
+above) exits with a non-zero status.
+The shell does not exit if the
+command that fails is part of the command list immediately following a
+.B while
+or
+.B until
+keyword,
+part of the test following the
+.B if
+or
+.B elif
+reserved words, part of any command executed in a
+.B &&
+or
+.B \(bv\(bv
+list except the command following the final \fB&&\fP or \fB\(bv\(bv\fP,
+any command in a pipeline but the last,
+or if the command's return value is
+being inverted with
+.BR ! .
+A trap on \fBERR\fP, if set, is executed before the shell exits.
+This option applies to the shell environment and each subshell environment
+separately (see
+.B "COMMAND EXECUTION ENVIRONMENT"
+above), and may cause
+subshells to exit before executing all the commands in the subshell.
+.TP 8
+.B \-f
+Disable pathname expansion.
+.TP 8
+.B \-h
+Remember the location of commands as they are looked up for execution.
+This is enabled by default.
+.TP 8
+.B \-k
+All arguments in the form of assignment statements
+are placed in the environment for a command, not just
+those that precede the command name.
+.TP 8
+.B \-m
+Monitor mode. Job control is enabled. This option is on
+by default for interactive shells on systems that support
+it (see
+.SM
+.B JOB CONTROL
+above). Background processes run in a separate process
+group and a line containing their exit status is printed
+upon their completion.
+.TP 8
+.B \-n
+Read commands but do not execute them. This may be used to
+check a shell script for syntax errors. This is ignored by
+interactive shells.
+.TP 8
+.B \-o \fIoption\-name\fP
+The \fIoption\-name\fP can be one of the following:
+.RS
+.TP 8
+.B allexport
+Same as
+.BR \-a .
+.TP 8
+.B braceexpand
+Same as
+.BR \-B .
+.TP 8
+.B emacs
+Use an emacs-style command line editing interface. This is enabled
+by default when the shell is interactive, unless the shell is started
+with the
+.B \-\-noediting
+option.
+This also affects the editing interface used for \fBread \-e\fP.
+.TP 8
+.B errtrace
+Same as
+.BR \-E .
+.TP 8
+.B functrace
+Same as
+.BR \-T .
+.TP 8
+.B errexit
+Same as
+.BR \-e .
+.TP 8
+.B hashall
+Same as
+.BR \-h .
+.TP 8
+.B histexpand
+Same as
+.BR \-H .
+.TP 8
+.B history
+Enable command history, as described above under
+.SM
+.BR HISTORY .
+This option is on by default in interactive shells.
+.TP 8
+.B ignoreeof
+The effect is as if the shell command
+.if t \f(CWIGNOREEOF=10\fP
+.if n ``IGNOREEOF=10''
+had been executed
+(see
+.B Shell Variables
+above).
+.TP 8
+.B keyword
+Same as
+.BR \-k .
+.TP 8
+.B monitor
+Same as
+.BR \-m .
+.TP 8
+.B noclobber
+Same as
+.BR \-C .
+.TP 8
+.B noexec
+Same as
+.BR \-n .
+.TP 8
+.B noglob
+Same as
+.BR \-f .
+.TP 8
+.B nolog
+Currently ignored.
+.TP 8
+.B notify
+Same as
+.BR \-b .
+.TP 8
+.B nounset
+Same as
+.BR \-u .
+.TP 8
+.B onecmd
+Same as
+.BR \-t .
+.TP 8
+.B physical
+Same as
+.BR \-P .
+.TP 8
+.B pipefail
+If set, the return value of a pipeline is the value of the last
+(rightmost) command to exit with a non-zero status, or zero if all
+commands in the pipeline exit successfully.
+This option is disabled by default.
+.TP 8
+.B posix
+Change the behavior of
+.B bash
+where the default operation differs
+from the POSIX standard to match the standard (\fIposix mode\fP).
+.TP 8
+.B privileged
+Same as
+.BR \-p .
+.TP 8
+.B verbose
+Same as
+.BR \-v .
+.TP 8
+.B vi
+Use a vi-style command line editing interface.
+This also affects the editing interface used for \fBread \-e\fP.
+.TP 8
+.B xtrace
+Same as
+.BR \-x .
+.sp .5
+.PP
+If
+.B \-o
+is supplied with no \fIoption\-name\fP, the values of the current options are
+printed.
+If
+.B +o
+is supplied with no \fIoption\-name\fP, a series of
+.B set
+commands to recreate the current option settings is displayed on
+the standard output.
+.RE
+.TP 8
+.B \-p
+Turn on
+.I privileged
+mode. In this mode, the
+.SM
+.B $ENV
+and
+.SM
+.B $BASH_ENV
+files are not processed, shell functions are not inherited from the
+environment, and the
+.SM
+.BR SHELLOPTS ,
+.BR CDPATH ,
+and
+.B GLOBIGNORE
+variables, if they appear in the environment, are ignored.
+If the shell is started with the effective user (group) id not equal to the
+real user (group) id, and the \fB\-p\fP option is not supplied, these actions
+are taken and the effective user id is set to the real user id.
+If the \fB\-p\fP option is supplied at startup, the effective user id is
+not reset.
+Turning this option off causes the effective user
+and group ids to be set to the real user and group ids.
+.TP 8
+.B \-t
+Exit after reading and executing one command.
+.TP 8
+.B \-u
+Treat unset variables as an error when performing
+parameter expansion. If expansion is attempted on an
+unset variable, the shell prints an error message, and,
+if not interactive, exits with a non-zero status.
+.TP 8
+.B \-v
+Print shell input lines as they are read.
+.TP 8
+.B \-x
+After expanding each \fIsimple command\fP,
+\fBfor\fP command, \fBcase\fP command, \fBselect\fP command, or
+arithmetic \fBfor\fP command, display the expanded value of
+.SM
+.BR PS4 ,
+followed by the command and its expanded arguments
+or associated word list.
+.TP 8
+.B \-B
+The shell performs brace expansion (see
+.B Brace Expansion
+above). This is on by default.
+.TP 8
+.B \-C
+If set,
+.B bash
+does not overwrite an existing file with the
+.BR > ,
+.BR >& ,
+and
+.B <>
+redirection operators. This may be overridden when
+creating output files by using the redirection operator
+.B >|
+instead of
+.BR > .
+.TP 8
+.B \-E
+If set, any trap on \fBERR\fP is inherited by shell functions, command
+substitutions, and commands executed in a subshell environment.
+The \fBERR\fP trap is normally not inherited in such cases.
+.TP 8
+.B \-H
+Enable
+.B !
+style history substitution. This option is on by
+default when the shell is interactive.
+.TP 8
+.B \-P
+If set, the shell does not follow symbolic links when executing
+commands such as
+.B cd
+that change the current working directory. It uses the
+physical directory structure instead. By default,
+.B bash
+follows the logical chain of directories when performing commands
+which change the current directory.
+.TP 8
+.B \-T
+If set, any traps on \fBDEBUG\fP and \fBRETURN\fP are inherited by shell
+functions, command substitutions, and commands executed in a
+subshell environment.
+The \fBDEBUG\fP and \fBRETURN\fP traps are normally not inherited
+in such cases.
+.TP 8
+.B \-\-
+If no arguments follow this option, then the positional parameters are
+unset. Otherwise, the positional parameters are set to the
+\fIarg\fPs, even if some of them begin with a
+.BR \- .
+.TP 8
+.B \-
+Signal the end of options, cause all remaining \fIarg\fPs to be
+assigned to the positional parameters. The
+.B \-x
+and
+.B \-v
+options are turned off.
+If there are no \fIarg\fPs,
+the positional parameters remain unchanged.
+.PD
+.PP
+The options are off by default unless otherwise noted.
+Using + rather than \- causes these options to be turned off.
+The options can also be specified as arguments to an invocation of
+the shell.
+The current set of options may be found in
+.BR $\- .
+The return status is always true unless an invalid option is encountered.
+.RE
+.TP
+\fBshift\fP [\fIn\fP]
+The positional parameters from \fIn\fP+1 ... are renamed to
+.B $1
+.B ....
+Parameters represented by the numbers \fB$#\fP
+down to \fB$#\fP\-\fIn\fP+1 are unset.
+.I n
+must be a non-negative number less than or equal to \fB$#\fP.
+If
+.I n
+is 0, no parameters are changed.
+If
+.I n
+is not given, it is assumed to be 1.
+If
+.I n
+is greater than \fB$#\fP, the positional parameters are not changed.
+The return status is greater than zero if
+.I n
+is greater than
+.B $#
+or less than zero; otherwise 0.
+.TP
+\fBshopt\fP [\fB\-pqsu\fP] [\fB\-o\fP] [\fIoptname\fP ...]
+Toggle the values of variables controlling optional shell behavior.
+With no options, or with the
+.B \-p
+option, a list of all settable options is displayed, with
+an indication of whether or not each is set.
+The \fB\-p\fP option causes output to be displayed in a form that
+may be reused as input.
+Other options have the following meanings:
+.RS
+.PD 0
+.TP
+.B \-s
+Enable (set) each \fIoptname\fP.
+.TP
+.B \-u
+Disable (unset) each \fIoptname\fP.
+.TP
+.B \-q
+Suppresses normal output (quiet mode); the return status indicates
+whether the \fIoptname\fP is set or unset.
+If multiple \fIoptname\fP arguments are given with
+.BR \-q ,
+the return status is zero if all \fIoptnames\fP are enabled; non-zero
+otherwise.
+.TP
+.B \-o
+Restricts the values of \fIoptname\fP to be those defined for the
+.B \-o
+option to the
+.B set
+builtin.
+.PD
+.PP
+If either
+.B \-s
+or
+.B \-u
+is used with no \fIoptname\fP arguments, the display is limited to
+those options which are set or unset, respectively.
+Unless otherwise noted, the \fBshopt\fP options are disabled (unset)
+by default.
+.PP
+The return status when listing options is zero if all \fIoptnames\fP
+are enabled, non-zero otherwise. When setting or unsetting options,
+the return status is zero unless an \fIoptname\fP is not a valid shell
+option.
+.PP
+The list of \fBshopt\fP options is:
+.if t .sp .5v
+.if n .sp 1v
+.PD 0
+.TP 8
+.B autocd
+If set, a command name that is the name of a directory is executed as if
+it were the argument to the \fBcd\fP command.
+This option is only used by interactive shells.
+.TP 8
+.B cdable_vars
+If set, an argument to the
+.B cd
+builtin command that
+is not a directory is assumed to be the name of a variable whose
+value is the directory to change to.
+.TP 8
+.B cdspell
+If set, minor errors in the spelling of a directory component in a
+.B cd
+command will be corrected.
+The errors checked for are transposed characters,
+a missing character, and one character too many.
+If a correction is found, the corrected file name is printed,
+and the command proceeds.
+This option is only used by interactive shells.
+.TP 8
+.B checkhash
+If set, \fBbash\fP checks that a command found in the hash
+table exists before trying to execute it. If a hashed command no
+longer exists, a normal path search is performed.
+.TP 8
+.B checkjobs
+If set, \fBbash\fP lists the status of any stopped and running jobs before
+exiting an interactive shell. If any jobs are running, this causes
+the exit to be deferred until a second exit is attempted without an
+intervening command (see \fBJOB CONTROL\fP above). The shell always
+postpones exiting if any jobs are stopped.
+.TP 8
+.B checkwinsize
+If set, \fBbash\fP checks the window size after each command
+and, if necessary, updates the values of
+.SM
+.B LINES
+and
+.SM
+.BR COLUMNS .
+.TP 8
+.B cmdhist
+If set,
+.B bash
+attempts to save all lines of a multiple-line
+command in the same history entry. This allows
+easy re-editing of multi-line commands.
+.TP 8
+.B compat31
+If set,
+.B bash
+changes its behavior to that of version 3.1 with respect to quoted
+arguments to the conditional command's =~ operator.
+.TP 8
+.B dirspell
+If set,
+.B bash
+attempts spelling correction on directory names during word completion
+if the directory name initially supplied does not exist.
+.TP 8
+.B dotglob
+If set,
+.B bash
+includes filenames beginning with a `.' in the results of pathname
+expansion.
+.TP 8
+.B execfail
+If set, a non-interactive shell will not exit if
+it cannot execute the file specified as an argument to the
+.B exec
+builtin command. An interactive shell does not exit if
+.B exec
+fails.
+.TP 8
+.B expand_aliases
+If set, aliases are expanded as described above under
+.SM
+.BR ALIASES .
+This option is enabled by default for interactive shells.
+.TP 8
+.B extdebug
+If set, behavior intended for use by debuggers is enabled:
+.RS
+.TP
+.B 1.
+The \fB\-F\fP option to the \fBdeclare\fP builtin displays the source
+file name and line number corresponding to each function name supplied
+as an argument.
+.TP
+.B 2.
+If the command run by the \fBDEBUG\fP trap returns a non-zero value, the
+next command is skipped and not executed.
+.TP
+.B 3.
+If the command run by the \fBDEBUG\fP trap returns a value of 2, and the
+shell is executing in a subroutine (a shell function or a shell script
+executed by the \fB.\fP or \fBsource\fP builtins), a call to
+\fBreturn\fP is simulated.
+.TP
+.B 4.
+\fBBASH_ARGC\fP and \fBBASH_ARGV\fP are updated as described in their
+descriptions above.
+.TP
+.B 5.
+Function tracing is enabled: command substitution, shell functions, and
+subshells invoked with \fB(\fP \fIcommand\fP \fB)\fP inherit the
+\fBDEBUG\fP and \fBRETURN\fP traps.
+.TP
+.B 6.
+Error tracing is enabled: command substitution, shell functions, and
+subshells invoked with \fB(\fP \fIcommand\fP \fB)\fP inherit the
+\fBERROR\fP trap.
+.RE
+.TP 8
+.B extglob
+If set, the extended pattern matching features described above under
+\fBPathname Expansion\fP are enabled.
+.TP 8
+.B extquote
+If set, \fB$\fP\(aq\fIstring\fP\(aq and \fB$\fP"\fIstring\fP" quoting is
+performed within \fB${\fP\fIparameter\fP\fB}\fP expansions
+enclosed in double quotes. This option is enabled by default.
+.TP 8
+.B failglob
+If set, patterns which fail to match filenames during pathname expansion
+result in an expansion error.
+.TP 8
+.B force_fignore
+If set, the suffixes specified by the \fBFIGNORE\fP shell variable
+cause words to be ignored when performing word completion even if
+the ignored words are the only possible completions.
+See
+.SM
+\fBSHELL VARIABLES\fP
+above for a description of \fBFIGNORE\fP.
+This option is enabled by default.
+.TP 8
+.B globstar
+If set, the pattern \fB**\fP used in a pathname expansion context will
+match a files and zero or more directories and subdirectories.
+If the pattern is followed by a \fB/\fP, only directories and
+subdirectories match.
+.TP 8
+.B gnu_errfmt
+If set, shell error messages are written in the standard GNU error
+message format.
+.TP 8
+.B histappend
+If set, the history list is appended to the file named by the value
+of the
+.B HISTFILE
+variable when the shell exits, rather than overwriting the file.
+.TP 8
+.B histreedit
+If set, and
+.B readline
+is being used, a user is given the opportunity to re-edit a
+failed history substitution.
+.TP 8
+.B histverify
+If set, and
+.B readline
+is being used, the results of history substitution are not immediately
+passed to the shell parser. Instead, the resulting line is loaded into
+the \fBreadline\fP editing buffer, allowing further modification.
+.TP 8
+.B hostcomplete
+If set, and
+.B readline
+is being used, \fBbash\fP will attempt to perform hostname completion when a
+word containing a \fB@\fP is being completed (see
+.B Completing
+under
+.SM
+.B READLINE
+above).
+This is enabled by default.
+.TP 8
+.B huponexit
+If set, \fBbash\fP will send
+.SM
+.B SIGHUP
+to all jobs when an interactive login shell exits.
+.TP 8
+.B interactive_comments
+If set, allow a word beginning with
+.B #
+to cause that word and all remaining characters on that
+line to be ignored in an interactive shell (see
+.SM
+.B COMMENTS
+above). This option is enabled by default.
+.TP 8
+.B lithist
+If set, and the
+.B cmdhist
+option is enabled, multi-line commands are saved to the history with
+embedded newlines rather than using semicolon separators where possible.
+.TP 8
+.B login_shell
+The shell sets this option if it is started as a login shell (see
+.SM
+.B "INVOCATION"
+above).
+The value may not be changed.
+.TP 8
+.B mailwarn
+If set, and a file that \fBbash\fP is checking for mail has been
+accessed since the last time it was checked, the message ``The mail in
+\fImailfile\fP has been read'' is displayed.
+.TP 8
+.B no_empty_cmd_completion
+If set, and
+.B readline
+is being used,
+.B bash
+will not attempt to search the \fBPATH\fP for possible completions when
+completion is attempted on an empty line.
+.TP 8
+.B nocaseglob
+If set,
+.B bash
+matches filenames in a case\-insensitive fashion when performing pathname
+expansion (see
+.B Pathname Expansion
+above).
+.TP 8
+.B nocasematch
+If set,
+.B bash
+matches patterns in a case\-insensitive fashion when performing matching
+while executing \fBcase\fP or \fB[[\fP conditional commands.
+.TP 8
+.B nullglob
+If set,
+.B bash
+allows patterns which match no
+files (see
+.B Pathname Expansion
+above)
+to expand to a null string, rather than themselves.
+.TP 8
+.B progcomp
+If set, the programmable completion facilities (see
+\fBProgrammable Completion\fP above) are enabled.
+This option is enabled by default.
+.TP 8
+.B promptvars
+If set, prompt strings undergo
+parameter expansion, command substitution, arithmetic
+expansion, and quote removal after being expanded as described in
+.SM
+.B PROMPTING
+above. This option is enabled by default.
+.TP 8
+.B restricted_shell
+The shell sets this option if it is started in restricted mode (see
+.SM
+.B "RESTRICTED SHELL"
+below).
+The value may not be changed.
+This is not reset when the startup files are executed, allowing
+the startup files to discover whether or not a shell is restricted.
+.TP 8
+.B shift_verbose
+If set, the
+.B shift
+builtin prints an error message when the shift count exceeds the
+number of positional parameters.
+.TP 8
+.B sourcepath
+If set, the
+\fBsource\fP (\fB.\fP) builtin uses the value of
+.SM
+.B PATH
+to find the directory containing the file supplied as an argument.
+This option is enabled by default.
+.TP 8
+.B xpg_echo
+If set, the \fBecho\fP builtin expands backslash-escape sequences
+by default.
+.RE
+.TP
+\fBsuspend\fP [\fB\-f\fP]
+Suspend the execution of this shell until it receives a
+.SM
+.B SIGCONT
+signal. A login shell cannot be suspended; the
+.B \-f
+option can be used to override this and force the suspension.
+The return status is 0 unless the shell is a login shell and
+.B \-f
+is not supplied, or if job control is not enabled.
+.TP
+\fBtest\fP \fIexpr\fP
+.PD 0
+.TP
+\fB[\fP \fIexpr\fP \fB]\fP
+Return a status of 0 or 1 depending on
+the evaluation of the conditional expression
+.IR expr .
+Each operator and operand must be a separate argument.
+Expressions are composed of the primaries described above under
+.SM
+.BR "CONDITIONAL EXPRESSIONS" .
+\fBtest\fP does not accept any options, nor does it accept and ignore
+an argument of \fB\-\-\fP as signifying the end of options.
+.if t .sp 0.5
+.if n .sp 1
+Expressions may be combined using the following operators, listed
+in decreasing order of precedence.
+The evaluation depends on the number of arguments; see below.
+.RS
+.PD 0
+.TP
+.B ! \fIexpr\fP
+True if
+.I expr
+is false.
+.TP
+.B ( \fIexpr\fP )
+Returns the value of \fIexpr\fP.
+This may be used to override the normal precedence of operators.
+.TP
+\fIexpr1\fP \-\fBa\fP \fIexpr2\fP
+True if both
+.I expr1
+and
+.I expr2
+are true.
+.TP
+\fIexpr1\fP \-\fBo\fP \fIexpr2\fP
+True if either
+.I expr1
+or
+.I expr2
+is true.
+.PD
+.PP
+\fBtest\fP and \fB[\fP evaluate conditional
+expressions using a set of rules based on the number of arguments.
+.if t .sp 0.5
+.if n .sp 1
+.PD 0
+.TP
+0 arguments
+The expression is false.
+.TP
+1 argument
+The expression is true if and only if the argument is not null.
+.TP
+2 arguments
+If the first argument is \fB!\fP, the expression is true if and
+only if the second argument is null.
+If the first argument is one of the unary conditional operators listed above
+under
+.SM
+.BR "CONDITIONAL EXPRESSIONS" ,
+the expression is true if the unary test is true.
+If the first argument is not a valid unary conditional operator, the expression
+is false.
+.TP
+3 arguments
+If the second argument is one of the binary conditional operators listed above
+under
+.SM
+.BR "CONDITIONAL EXPRESSIONS" ,
+the result of the expression is the result of the binary test using
+the first and third arguments as operands.
+The \fB\-a\fP and \fB\-o\fP operators are considered binary operators
+when there are three arguments.
+If the first argument is \fB!\fP, the value is the negation of
+the two-argument test using the second and third arguments.
+If the first argument is exactly \fB(\fP and the third argument is
+exactly \fB)\fP, the result is the one-argument test of the second
+argument.
+Otherwise, the expression is false.
+.TP
+4 arguments
+If the first argument is \fB!\fP, the result is the negation of
+the three-argument expression composed of the remaining arguments.
+Otherwise, the expression is parsed and evaluated according to
+precedence using the rules listed above.
+.TP
+5 or more arguments
+The expression is parsed and evaluated according to precedence
+using the rules listed above.
+.RE
+.PD
+.TP
+.B times
+Print the accumulated user and system times for the shell and
+for processes run from the shell. The return status is 0.
+.TP
+\fBtrap\fP [\fB\-lp\fP] [[\fIarg\fP] \fIsigspec\fP ...]
+The command
+.I arg
+is to be read and executed when the shell receives
+signal(s)
+.IR sigspec .
+If
+.I arg
+is absent (and there is a single \fIsigspec\fP) or
+.BR \- ,
+each specified signal is
+reset to its original disposition (the value it had
+upon entrance to the shell).
+If
+.I arg
+is the null string the signal specified by each
+.I sigspec
+is ignored by the shell and by the commands it invokes.
+If
+.I arg
+is not present and
+.B \-p
+has been supplied, then the trap commands associated with each
+.I sigspec
+are displayed.
+If no arguments are supplied or if only
+.B \-p
+is given,
+.B trap
+prints the list of commands associated with each signal.
+The
+.B \-l
+option causes the shell to print a list of signal names and
+their corresponding numbers.
+Each
+.I sigspec
+is either
+a signal name defined in <\fIsignal.h\fP>, or a signal number.
+Signal names are case insensitive and the SIG prefix is optional.
+If a
+.I sigspec
+is
+.SM
+.B EXIT
+(0) the command
+.I arg
+is executed on exit from the shell.
+If a
+.I sigspec
+is
+.SM
+.BR DEBUG ,
+the command
+.I arg
+is executed before every \fIsimple command\fP, \fIfor\fP command,
+\fIcase\fP command, \fIselect\fP command, every arithmetic \fIfor\fP
+command, and before the first command executes in a shell function (see
+.SM
+.B SHELL GRAMMAR
+above).
+Refer to the description of the \fBextdebug\fP option to the
+\fBshopt\fP builtin for details of its effect on the \fBDEBUG\fP trap.
+If a
+.I sigspec
+is
+.SM
+.BR ERR ,
+the command
+.I arg
+is executed whenever a simple command has a non\-zero exit status,
+subject to the following conditions.
+The
+.SM
+.B ERR
+trap is not executed if the failed
+command is part of the command list immediately following a
+.B while
+or
+.B until
+keyword,
+part of the test in an
+.I if
+statement, part of a command executed in a
+.B &&
+or
+.B \(bv\(bv
+list, or if the command's return value is
+being inverted via
+.BR ! .
+These are the same conditions obeyed by the \fBerrexit\fP option.
+If a
+.I sigspec
+is
+.SM
+.BR RETURN ,
+the command
+.I arg
+is executed each time a shell function or a script executed with the
+\fB.\fP or \fBsource\fP builtins finishes executing.
+Signals ignored upon entry to the shell cannot be trapped or reset.
+Trapped signals that are not being ignored are reset to their original
+values in a child process when it is created.
+The return status is false if any
+.I sigspec
+is invalid; otherwise
+.B trap
+returns true.
+.TP
+\fBtype\fP [\fB\-aftpP\fP] \fIname\fP [\fIname\fP ...]
+With no options,
+indicate how each
+.I name
+would be interpreted if used as a command name.
+If the
+.B \-t
+option is used,
+.B type
+prints a string which is one of
+.IR alias ,
+.IR keyword ,
+.IR function ,
+.IR builtin ,
+or
+.I file
+if
+.I name
+is an alias, shell reserved word, function, builtin, or disk file,
+respectively.
+If the
+.I name
+is not found, then nothing is printed, and an exit status of false
+is returned.
+If the
+.B \-p
+option is used,
+.B type
+either returns the name of the disk file
+that would be executed if
+.I name
+were specified as a command name,
+or nothing if
+.if t \f(CWtype -t name\fP
+.if n ``type -t name''
+would not return
+.IR file .
+The
+.B \-P
+option forces a
+.SM
+.B PATH
+search for each \fIname\fP, even if
+.if t \f(CWtype -t name\fP
+.if n ``type -t name''
+would not return
+.IR file .
+If a command is hashed,
+.B \-p
+and
+.B \-P
+print the hashed value, not necessarily the file that appears
+first in
+.SM
+.BR PATH .
+If the
+.B \-a
+option is used,
+.B type
+prints all of the places that contain
+an executable named
+.IR name .
+This includes aliases and functions,
+if and only if the
+.B \-p
+option is not also used.
+The table of hashed commands is not consulted
+when using
+.BR \-a .
+The
+.B \-f
+option suppresses shell function lookup, as with the \fBcommand\fP builtin.
+.B type
+returns true if all of the arguments are found, false if
+any are not found.
+.TP
+\fBulimit\fP [\fB\-HSTabcdefilmnpqrstuvx\fP [\fIlimit\fP]]
+Provides control over the resources available to the shell and to
+processes started by it, on systems that allow such control.
+The \fB\-H\fP and \fB\-S\fP options specify that the hard or soft limit is
+set for the given resource.
+A hard limit cannot be increased by a non-root user once it is set;
+a soft limit may be increased up to the value of the hard limit.
+If neither \fB\-H\fP nor \fB\-S\fP is specified, both the soft and hard
+limits are set.
+The value of
+.I limit
+can be a number in the unit specified for the resource
+or one of the special values
+.BR hard ,
+.BR soft ,
+or
+.BR unlimited ,
+which stand for the current hard limit, the current soft limit, and
+no limit, respectively.
+If
+.I limit
+is omitted, the current value of the soft limit of the resource is
+printed, unless the \fB\-H\fP option is given. When more than one
+resource is specified, the limit name and unit are printed before the value.
+Other options are interpreted as follows:
+.RS
+.PD 0
+.TP
+.B \-a
+All current limits are reported
+.TP
+.B \-b
+The maximum socket buffer size
+.TP
+.B \-c
+The maximum size of core files created
+.TP
+.B \-d
+The maximum size of a process's data segment
+.TP
+.B \-e
+The maximum scheduling priority ("nice")
+.TP
+.B \-f
+The maximum size of files written by the shell and its children
+.TP
+.B \-i
+The maximum number of pending signals
+.TP
+.B \-l
+The maximum size that may be locked into memory
+.TP
+.B \-m
+The maximum resident set size (many systems do not honor this limit)
+.TP
+.B \-n
+The maximum number of open file descriptors (most systems do not
+allow this value to be set)
+.TP
+.B \-p
+The pipe size in 512-byte blocks (this may not be set)
+.TP
+.B \-q
+The maximum number of bytes in POSIX message queues
+.TP
+.B \-r
+The maximum real-time scheduling priority
+.TP
+.B \-s
+The maximum stack size
+.TP
+.B \-t
+The maximum amount of cpu time in seconds
+.TP
+.B \-u
+The maximum number of processes available to a single user
+.TP
+.B \-v
+The maximum amount of virtual memory available to the shell
+.TP
+.B \-x
+The maximum number of file locks
+.TP
+.B \-T
+The maximum number of threads
+.PD
+.PP
+If
+.I limit
+is given, it is the new value of the specified resource (the
+.B \-a
+option is display only).
+If no option is given, then
+.B \-f
+is assumed. Values are in 1024-byte increments, except for
+.BR \-t ,
+which is in seconds,
+.BR \-p ,
+which is in units of 512-byte blocks,
+and
+.BR \-T ,
+.BR \-b ,
+.BR \-n ,
+and
+.BR \-u ,
+which are unscaled values.
+The return status is 0 unless an invalid option or argument is supplied,
+or an error occurs while setting a new limit.
+.RE
+.TP
+\fBumask\fP [\fB\-p\fP] [\fB\-S\fP] [\fImode\fP]
+The user file-creation mask is set to
+.IR mode .
+If
+.I mode
+begins with a digit, it
+is interpreted as an octal number; otherwise
+it is interpreted as a symbolic mode mask similar
+to that accepted by
+.IR chmod (1).
+If
+.I mode
+is omitted, the current value of the mask is printed.
+The
+.B \-S
+option causes the mask to be printed in symbolic form; the
+default output is an octal number.
+If the
+.B \-p
+option is supplied, and
+.I mode
+is omitted, the output is in a form that may be reused as input.
+The return status is 0 if the mode was successfully changed or if
+no \fImode\fP argument was supplied, and false otherwise.
+.TP
+\fBunalias\fP [\-\fBa\fP] [\fIname\fP ...]
+Remove each \fIname\fP from the list of defined aliases. If
+.B \-a
+is supplied, all alias definitions are removed. The return
+value is true unless a supplied
+.I name
+is not a defined alias.
+.TP
+\fBunset\fP [\-\fBfv\fP] [\fIname\fP ...]
+For each
+.IR name ,
+remove the corresponding variable or function.
+If no options are supplied, or the
+.B \-v
+option is given, each
+.I name
+refers to a shell variable.
+Read-only variables may not be unset.
+If
+.B \-f
+is specified, each
+.I name
+refers to a shell function, and the function definition
+is removed.
+Each unset variable or function is removed from the environment
+passed to subsequent commands.
+If any of
+.SM
+.BR RANDOM ,
+.SM
+.BR SECONDS ,
+.SM
+.BR LINENO ,
+.SM
+.BR HISTCMD ,
+.SM
+.BR FUNCNAME ,
+.SM
+.BR GROUPS ,
+or
+.SM
+.B DIRSTACK
+are unset, they lose their special properties, even if they are
+subsequently reset. The exit status is true unless a
+.I name
+is readonly.
+.TP
+\fBwait\fP [\fIn ...\fP]
+Wait for each specified process and return its termination status.
+Each
+.I n
+may be a process
+ID or a job specification; if a job spec is given, all processes
+in that job's pipeline are waited for. If
+.I n
+is not given, all currently active child processes
+are waited for, and the return status is zero. If
+.I n
+specifies a non-existent process or job, the return status is
+127. Otherwise, the return status is the exit status of the last
+process or job waited for.
+.\" bash_builtins
+.if \n(zZ=1 .ig zZ
+.SH "RESTRICTED SHELL"
+.\" rbash.1
+.zY
+.PP
+If
+.B bash
+is started with the name
+.BR rbash ,
+or the
+.B \-r
+option is supplied at invocation,
+the shell becomes restricted.
+A restricted shell is used to
+set up an environment more controlled than the standard shell.
+It behaves identically to
+.B bash
+with the exception that the following are disallowed or not performed:
+.IP \(bu
+changing directories with \fBcd\fP
+.IP \(bu
+setting or unsetting the values of
+.BR SHELL ,
+.BR PATH ,
+.BR ENV ,
+or
+.B BASH_ENV
+.IP \(bu
+specifying command names containing
+.B /
+.IP \(bu
+specifying a file name containing a
+.B /
+as an argument to the
+.B .
+builtin command
+.IP \(bu
+Specifying a filename containing a slash as an argument to the
+.B \-p
+option to the
+.B hash
+builtin command
+.IP \(bu
+importing function definitions from the shell environment at startup
+.IP \(bu
+parsing the value of \fBSHELLOPTS\fP from the shell environment at startup
+.IP \(bu
+redirecting output using the >, >|, <>, >&, &>, and >> redirection operators
+.IP \(bu
+using the
+.B exec
+builtin command to replace the shell with another command
+.IP \(bu
+adding or deleting builtin commands with the
+.B \-f
+and
+.B \-d
+options to the
+.B enable
+builtin command
+.IP \(bu
+Using the \fBenable\fP builtin command to enable disabled shell builtins
+.IP \(bu
+specifying the
+.B \-p
+option to the
+.B command
+builtin command
+.IP \(bu
+turning off restricted mode with
+\fBset +r\fP or \fBset +o restricted\fP.
+.PP
+These restrictions are enforced after any startup files are read.
+.PP
+.ie \n(zY=1 When a command that is found to be a shell script is executed,
+.el \{ When a command that is found to be a shell script is executed
+(see
+.SM
+.B "COMMAND EXECUTION"
+above),
+\}
+.B rbash
+turns off any restrictions in the shell spawned to execute the
+script.
+.\" end of rbash.1
+.if \n(zY=1 .ig zY
+.SH "SEE ALSO"
+.PD 0
+.TP
+\fIBash Reference Manual\fP, Brian Fox and Chet Ramey
+.TP
+\fIThe Gnu Readline Library\fP, Brian Fox and Chet Ramey
+.TP
+\fIThe Gnu History Library\fP, Brian Fox and Chet Ramey
+.TP
+\fIPortable Operating System Interface (POSIX) Part 2: Shell and Utilities\fP, IEEE
+.TP
+\fIsh\fP(1), \fIksh\fP(1), \fIcsh\fP(1)
+.TP
+\fIemacs\fP(1), \fIvi\fP(1)
+.TP
+\fIreadline\fP(3)
+.PD
+.SH FILES
+.PD 0
+.TP
+.FN /bin/bash
+The \fBbash\fP executable
+.TP
+.FN /etc/profile
+The systemwide initialization file, executed for login shells
+.TP
+.FN ~/.bash_profile
+The personal initialization file, executed for login shells
+.TP
+.FN ~/.bashrc
+The individual per-interactive-shell startup file
+.TP
+.FN ~/.bash_logout
+The individual login shell cleanup file, executed when a login shell exits
+.TP
+.FN ~/.inputrc
+Individual \fIreadline\fP initialization file
+.PD
+.SH AUTHORS
+Brian Fox, Free Software Foundation
+.br
+bfox@gnu.org
+.PP
+Chet Ramey, Case Western Reserve University
+.br
+chet.ramey@case.edu
+.SH BUG REPORTS
+If you find a bug in
+.B bash,
+you should report it. But first, you should
+make sure that it really is a bug, and that it appears in the latest
+version of
+.BR bash .
+The latest version is always available from
+\fIftp://ftp.gnu.org/pub/bash/\fP.
+.PP
+Once you have determined that a bug actually exists, use the
+.I bashbug
+command to submit a bug report.
+If you have a fix, you are encouraged to mail that as well!
+Suggestions and `philosophical' bug reports may be mailed
+to \fIbug-bash@gnu.org\fP or posted to the Usenet
+newsgroup
+.BR gnu.bash.bug .
+.PP
+ALL bug reports should include:
+.PP
+.PD 0
+.TP 20
+The version number of \fBbash\fR
+.TP
+The hardware and operating system
+.TP
+The compiler used to compile
+.TP
+A description of the bug behaviour
+.TP
+A short script or `recipe' which exercises the bug
+.PD
+.PP
+.I bashbug
+inserts the first three items automatically into the template
+it provides for filing a bug report.
+.PP
+Comments and bug reports concerning
+this manual page should be directed to
+.IR chet@po.cwru.edu .
+.SH BUGS
+.PP
+It's too big and too slow.
+.PP
+There are some subtle differences between
+.B bash
+and traditional versions of
+.BR sh ,
+mostly because of the
+.SM
+.B POSIX
+specification.
+.PP
+Aliases are confusing in some uses.
+.PP
+Shell builtin commands and functions are not stoppable/restartable.
+.PP
+Compound commands and command sequences of the form `a ; b ; c'
+are not handled gracefully when process suspension is attempted.
+When a process is stopped, the shell immediately executes the next
+command in the sequence.
+It suffices to place the sequence of commands between
+parentheses to force it into a subshell, which may be stopped as
+a unit.
+.PP
+Array variables may not (yet) be exported.
+.PP
+There may be only one active coprocess at a time.
+.zZ
+.zY
ade ace abe
@end example
-A sequence expression takes the form @code{@{@var{x}..@var{y}[@var{incr}]@}},
+A sequence expression takes the form @code{@{@var{x}..@var{y}[..@var{incr}]@}},
where @var{x} and @var{y} are either integers or single characters,
and @var{incr}, an optional increment, is an integer.
When integers are supplied, the expression expands to each number between
@itemx $@{@var{parameter},,@var{pattern}@}
This expansion modifies the case of alphabetic characters in @var{parameter}.
The @var{pattern} is expanded to produce a pattern just as in
-pathname expansion.
+filename expansion.
The @samp{^} operator converts lowercase letters matching @var{pattern}
to uppercase; the @samp{,} operator converts matching uppercase letters
to lowercase.
If the shell option @code{nocaseglob} is enabled, the match is performed
without regard to the case of alphabetic characters.
-When a pattern is used for filename generation, the character @samp{.}
+When a pattern is used for filename expansion, the character @samp{.}
at the start of a filename or immediately following a slash
must be matched explicitly, unless the shell option @code{dotglob} is set.
When matching a file name, the slash character must always be
subshells to exit before executing all the commands in the subshell.
@item -f
-Disable file name generation (globbing).
+Disable filename expansion (globbing).
@item -h
Locate and remember (hash) commands as they are looked up for execution.
enclosed in double quotes. This option is enabled by default.
@item failglob
-If set, patterns which fail to match filenames during pathname expansion
+If set, patterns which fail to match filenames during filename expansion
result in an expansion error.
@item force_fignore
@code{unset} @var{name}[@var{subscript}]
destroys the array element at index @var{subscript}.
Care must be taken to avoid unwanted side effects caused by filename
-generation.
+expansion.
@code{unset} @var{name}, where @var{name} is an array, removes the
entire array. A subscript of @samp{*} or @samp{@@} also removes the
entire array.
@quotation
Permission is granted to copy, distribute and/or modify this document
-under the terms of the GNU Free Documentation License, Version 1.2 or
+under the terms of the GNU Free Documentation License, Version 1.3 or
any later version published by the Free Software Foundation; with no
Invariant Sections, with the Front-Cover texts being ``A GNU Manual'',
and with the Back-Cover Texts as in (a) below. A copy of the license is
The syntax of the @code{for} command is:
@example
-for @var{name} [in @var{words} @dots{}]; do @var{commands}; done
+for @var{name} [ [in [@var{words} @dots{}] ] ; ] do @var{commands}; done
@end example
Expand @var{words}, and execute @var{commands} once for each member
in the resultant list, with @var{name} bound to the current member.
A list of patterns and an associated command-list is known
as a @var{clause}.
-Each clause must be terminated with @samp{;;}, @samp{,&}, or @samp{;;&}.
+Each clause must be terminated with @samp{;;}, @samp{;&}, or @samp{;;&}.
The @var{word} undergoes tilde expansion, parameter expansion, command
substitution, arithmetic expansion, and quote removal before matching is
attempted. Each @var{pattern} undergoes tilde expansion, parameter
@itemx $@{@var{parameter},,@var{pattern}@}
This expansion modifies the case of alphabetic characters in @var{parameter}.
The @var{pattern} is expanded to produce a pattern just as in
-pathname expansion.
+filename expansion.
The @samp{^} operator converts lowercase letters matching @var{pattern}
to uppercase; the @samp{,} operator converts matching uppercase letters
to lowercase.
If the shell option @code{nocaseglob} is enabled, the match is performed
without regard to the case of alphabetic characters.
-When a pattern is used for filename generation, the character @samp{.}
+When a pattern is used for filename expansion, the character @samp{.}
at the start of a filename or immediately following a slash
must be matched explicitly, unless the shell option @code{dotglob} is set.
When matching a file name, the slash character must always be
subshells to exit before executing all the commands in the subshell.
@item -f
-Disable file name generation (globbing).
+Disable filename expansion (globbing).
@item -h
Locate and remember (hash) commands as they are looked up for execution.
enclosed in double quotes. This option is enabled by default.
@item failglob
-If set, patterns which fail to match filenames during pathname expansion
+If set, patterns which fail to match filenames during filename expansion
result in an expansion error.
@item force_fignore
True if the strings are not equal.
@item @var{string1} < @var{string2}
-True if @var{string1} sorts before @var{string2} lexicographically
-in the current locale.
+True if @var{string1} sorts before @var{string2} lexicographically.
@item @var{string1} > @var{string2}
-True if @var{string1} sorts after @var{string2} lexicographically
-in the current locale.
+True if @var{string1} sorts after @var{string2} lexicographically.
@item @var{arg1} OP @var{arg2}
@code{OP} is one of
@code{unset} @var{name}[@var{subscript}]
destroys the array element at index @var{subscript}.
Care must be taken to avoid unwanted side effects caused by filename
-generation.
+expansion.
@code{unset} @var{name}, where @var{name} is an array, removes the
entire array. A subscript of @samp{*} or @samp{@@} also removes the
entire array.
make sure that it really is a bug, and that it appears in the latest
version of Bash.
The latest version of Bash is always available for FTP from
-@uref{ftp://ftp.gnu.org/pub/bash/}.
+@uref{ftp://ftp.gnu.org/pub/gnu/bash/}.
Once you have determined that a bug actually exists, use the
@code{bashbug} command to submit a bug report.
#if defined (RESTRICTED_SHELL)
command = (char *)NULL;
- if (restricted && xstrchr (pathname, '/'))
+ if (restricted && mbschr (pathname, '/'))
{
internal_error (_("%s: restricted: cannot specify `/' in command names"),
pathname);
begin_unwind_frame ("simple-command");
if (echo_command_at_execute)
-{
-itrace("execute_simple_command: xtrace_print_word_list: %s", words->word->word);
xtrace_print_word_list (words, 1);
-}
builtin = (sh_builtin_func_t *)NULL;
func = (SHELL_VAR *)NULL;
extern char *sh_makepath __P((const char *, const char *, int));
+/* declarations for functions defined in lib/sh/mbscasecmp.c */
+#if !defined (HAVE_MBSCASECMP)
+extern char *mbscasecmp __P((const char *, const char *));
+#endif
+
+/* declarations for functions defined in lib/sh/mbschr.c */
+#if !defined (HAVE_MBSCHR)
+extern char *mbschr __P((const char *, int));
+#endif
+
+/* declarations for functions defined in lib/sh/mbscmp.c */
+#if !defined (HAVE_MBSCMP)
+extern char *mbscmp __P((const char *, const char *));
+#endif
+
/* declarations for functions defined in lib/sh/netconn.c */
extern int isnetconn __P((int));
extern int strcasecmp __P((const char *, const char *));
#endif /* HAVE_STRCASECMP */
+/* declarations for functions defined in lib/sh/strcasestr.c */
+#if ! HAVE_STRCASESTR
+extern char *strcasestr __P((const char *, const char *));
+#endif
+
/* declarations for functions defined in lib/sh/strerror.c */
#if !defined (HAVE_STRERROR) && !defined (strerror)
extern char *strerror __P((int));
extern size_t strftime __P((char *, size_t, const char *, const struct tm *));
#endif
-/* declarations for functions defined in lib/sh/strindex.c */
-extern char *strindex __P((const char *, const char *));
-
/* declarations for functions and structures defined in lib/sh/stringlist.c */
/* This is a general-purpose argv-style array struct. */
/* declarations for functions defined in lib/sh/winsize.c */
extern void get_new_window_size __P((int, int *, int *));
-/* declarations for functions defined in lib/sh/xstrchr.c */
-#undef xstrchr
-extern char *xstrchr __P((const char *, int));
-
/* declarations for functions defined in lib/sh/zcatfd.c */
extern int zcatfd __P((int, int, char *));
--- /dev/null
+/* externs.h -- extern function declarations which do not appear in their
+ own header file. */
+
+/* Copyright (C) 1993-2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* Make sure that this is included *after* config.h! */
+
+#if !defined (_EXTERNS_H_)
+# define _EXTERNS_H_
+
+#include "stdc.h"
+
+/* Functions from expr.c. */
+extern intmax_t evalexp __P((char *, int *));
+
+/* Functions from print_cmd.c. */
+#define FUNC_MULTILINE 0x01
+#define FUNC_EXTERNAL 0x02
+
+extern char *make_command_string __P((COMMAND *));
+extern char *named_function_string __P((char *, COMMAND *, int));
+
+extern void print_command __P((COMMAND *));
+extern void print_simple_command __P((SIMPLE_COM *));
+extern void print_word_list __P((WORD_LIST *, char *));
+
+/* debugger support */
+extern void print_for_command_head __P((FOR_COM *));
+#if defined (SELECT_COMMAND)
+extern void print_select_command_head __P((SELECT_COM *));
+#endif
+extern void print_case_command_head __P((CASE_COM *));
+#if defined (DPAREN_ARITHMETIC)
+extern void print_arith_command __P((WORD_LIST *));
+#endif
+#if defined (COND_COMMAND)
+extern void print_cond_command __P((COND_COM *));
+#endif
+
+/* set -x support */
+extern char *indirection_level_string __P((void));
+extern void xtrace_print_assignment __P((char *, char *, int, int));
+extern void xtrace_print_word_list __P((WORD_LIST *, int));
+extern void xtrace_print_for_command_head __P((FOR_COM *));
+#if defined (SELECT_COMMAND)
+extern void xtrace_print_select_command_head __P((SELECT_COM *));
+#endif
+extern void xtrace_print_case_command_head __P((CASE_COM *));
+#if defined (DPAREN_ARITHMETIC)
+extern void xtrace_print_arith_cmd __P((WORD_LIST *));
+#endif
+#if defined (COND_COMMAND)
+extern void xtrace_print_cond_term __P((int, int, WORD_DESC *, char *, char *));
+#endif
+
+/* Functions from shell.c. */
+extern void exit_shell __P((int)) __attribute__((__noreturn__));
+extern void sh_exit __P((int)) __attribute__((__noreturn__));
+extern void disable_priv_mode __P((void));
+extern void unbind_args __P((void));
+
+#if defined (RESTRICTED_SHELL)
+extern int shell_is_restricted __P((char *));
+extern int maybe_make_restricted __P((char *));
+#endif
+
+extern void unset_bash_input __P((int));
+extern void get_current_user_info __P((void));
+
+/* Functions from eval.c. */
+extern int reader_loop __P((void));
+extern int parse_command __P((void));
+extern int read_command __P((void));
+
+/* Functions from braces.c. */
+#if defined (BRACE_EXPANSION)
+extern char **brace_expand __P((char *));
+#endif
+
+/* Miscellaneous functions from parse.y */
+extern int yyparse __P((void));
+extern int return_EOF __P((void));
+extern char *xparse_dolparen __P((char *, char *, int *, int));
+extern void reset_parser __P((void));
+extern WORD_LIST *parse_string_to_word_list __P((char *, int, const char *));
+
+extern void free_pushed_string_input __P((void));
+
+extern char *decode_prompt_string __P((char *));
+
+extern int get_current_prompt_level __P((void));
+extern void set_current_prompt_level __P((int));
+
+#if defined (HISTORY)
+extern char *history_delimiting_chars __P((void));
+#endif
+
+/* Declarations for functions defined in locale.c */
+extern void set_default_locale __P((void));
+extern void set_default_locale_vars __P((void));
+extern int set_locale_var __P((char *, char *));
+extern int set_lang __P((char *, char *));
+extern void set_default_lang __P((void));
+extern char *get_locale_var __P((char *));
+extern char *localetrans __P((char *, int, int *));
+extern char *mk_msgstr __P((char *, int *));
+extern char *localeexpand __P((char *, int, int, int, int *));
+
+/* Declarations for functions defined in list.c. */
+extern void list_walk __P((GENERIC_LIST *, sh_glist_func_t *));
+extern void wlist_walk __P((WORD_LIST *, sh_icpfunc_t *));
+extern GENERIC_LIST *list_reverse ();
+extern int list_length ();
+extern GENERIC_LIST *list_append ();
+extern GENERIC_LIST *list_remove ();
+
+/* Declarations for functions defined in stringlib.c */
+extern int find_string_in_alist __P((char *, STRING_INT_ALIST *, int));
+extern char *find_token_in_alist __P((int, STRING_INT_ALIST *, int));
+extern int find_index_in_alist __P((char *, STRING_INT_ALIST *, int));
+
+extern char *substring __P((char *, int, int));
+extern char *strsub __P((char *, char *, char *, int));
+extern char *strcreplace __P((char *, int, char *, int));
+extern void strip_leading __P((char *));
+extern void strip_trailing __P((char *, int, int));
+extern void xbcopy __P((char *, char *, int));
+
+/* Functions from version.c. */
+extern char *shell_version_string __P((void));
+extern void show_shell_version __P((int));
+
+/* Functions from the bash library, lib/sh/libsh.a. These should really
+ go into a separate include file. */
+
+/* declarations for functions defined in lib/sh/casemod.c */
+extern char *sh_modcase __P((const char *, char *, int));
+
+/* Defines for flags argument to sh_modcase. These need to agree with what's
+ in lib/sh/casemode.c */
+#define CASE_LOWER 0x0001
+#define CASE_UPPER 0x0002
+#define CASE_CAPITALIZE 0x0004
+#define CASE_UNCAP 0x0008
+#define CASE_TOGGLE 0x0010
+#define CASE_TOGGLEALL 0x0020
+#define CASE_UPFIRST 0x0040
+#define CASE_LOWFIRST 0x0080
+
+#define CASE_USEWORDS 0x1000
+
+/* declarations for functions defined in lib/sh/clktck.c */
+extern long get_clk_tck __P((void));
+
+/* declarations for functions defined in lib/sh/clock.c */
+extern void clock_t_to_secs ();
+extern void print_clock_t ();
+
+/* Declarations for functions defined in lib/sh/fdprintf.c */
+extern void fdprintf __P((int, const char *, ...)) __attribute__((__format__ (printf, 2, 3)));
+
+/* Declarations for functions defined in lib/sh/fmtulong.c */
+#define FL_PREFIX 0x01 /* add 0x, 0X, or 0 prefix as appropriate */
+#define FL_ADDBASE 0x02 /* add base# prefix to converted value */
+#define FL_HEXUPPER 0x04 /* use uppercase when converting to hex */
+#define FL_UNSIGNED 0x08 /* don't add any sign */
+
+extern char *fmtulong __P((unsigned long int, int, char *, size_t, int));
+
+/* Declarations for functions defined in lib/sh/fmtulong.c */
+#if defined (HAVE_LONG_LONG)
+extern char *fmtullong __P((unsigned long long int, int, char *, size_t, int));
+#endif
+
+/* Declarations for functions defined in lib/sh/fmtumax.c */
+extern char *fmtumax __P((uintmax_t, int, char *, size_t, int));
+
+/* Declarations for functions defined in lib/sh/fpurge.c */
+#if !HAVE_DECL_FPURGE
+
+#if HAVE_FPURGE
+# define fpurge _bash_fpurge
+#endif
+extern int fpurge __P((FILE *stream));
+
+#endif /* HAVE_DECL_FPURGE */
+
+
+/* Declarations for functions defined in lib/sh/getcwd.c */
+#if !defined (HAVE_GETCWD)
+extern char *getcwd __P((char *, size_t));
+#endif
+
+/* Declarations for functions defined in lib/sh/input_avail.c */
+extern int input_avail __P((int));
+
+/* Declarations for functions defined in lib/sh/itos.c */
+extern char *inttostr __P((intmax_t, char *, size_t));
+extern char *itos __P((intmax_t));
+extern char *uinttostr __P((uintmax_t, char *, size_t));
+extern char *uitos __P((uintmax_t));
+
+/* declarations for functions defined in lib/sh/makepath.c */
+#define MP_DOTILDE 0x01
+#define MP_DOCWD 0x02
+#define MP_RMDOT 0x04
+#define MP_IGNDOT 0x08
+
+extern char *sh_makepath __P((const char *, const char *, int));
+
+/* declarations for functions defined in lib/sh/mbschr.c */
+#if !defined (HAVE_MBSCHR)
+extern char *mbschr __P((const char *, int));
+#endif
+
+/* declarations for functions defined in lib/sh/mbscmp.c */
+#if !defined (HAVE_MBSCMP)
+extern char *mbscmp __P((const char *, const char *));
+#endif
+
+/* declarations for functions defined in lib/sh/netconn.c */
+extern int isnetconn __P((int));
+
+/* declarations for functions defined in lib/sh/netopen.c */
+extern int netopen __P((char *));
+
+/* Declarations for functions defined in lib/sh/oslib.c */
+
+#if !defined (HAVE_DUP2) || defined (DUP2_BROKEN)
+extern int dup2 __P((int, int));
+#endif
+
+#if !defined (HAVE_GETDTABLESIZE)
+extern int getdtablesize __P((void));
+#endif /* !HAVE_GETDTABLESIZE */
+
+#if !defined (HAVE_GETHOSTNAME)
+extern int gethostname __P((char *, int));
+#endif /* !HAVE_GETHOSTNAME */
+
+extern int getmaxgroups __P((void));
+extern long getmaxchild __P((void));
+
+/* declarations for functions defined in lib/sh/pathcanon.c */
+#define PATH_CHECKDOTDOT 0x0001
+#define PATH_CHECKEXISTS 0x0002
+#define PATH_HARDPATH 0x0004
+#define PATH_NOALLOC 0x0008
+
+extern char *sh_canonpath __P((char *, int));
+
+/* declarations for functions defined in lib/sh/pathphys.c */
+extern char *sh_physpath __P((char *, int));
+extern char *sh_realpath __P((const char *, char *));
+
+/* declarations for functions defined in lib/sh/setlinebuf.c */
+#ifdef NEED_SH_SETLINEBUF_DECL
+extern int sh_setlinebuf __P((FILE *));
+#endif
+
+/* declarations for functions defined in lib/sh/shaccess.c */
+extern int sh_eaccess __P((char *, int));
+
+/* declarations for functions defined in lib/sh/shmatch.c */
+extern int sh_regmatch __P((const char *, const char *, int));
+
+/* defines for flags argument to sh_regmatch. */
+#define SHMAT_SUBEXP 0x001 /* save subexpressions in SH_REMATCH */
+#define SHMAT_PWARN 0x002 /* print a warning message on invalid regexp */
+
+/* declarations for functions defined in lib/sh/shquote.c */
+extern char *sh_single_quote __P((char *));
+extern char *sh_double_quote __P((char *));
+extern char *sh_mkdoublequoted __P((const char *, int, int));
+extern char *sh_un_double_quote __P((char *));
+extern char *sh_backslash_quote __P((char *));
+extern char *sh_backslash_quote_for_double_quotes __P((char *));
+extern int sh_contains_shell_metas __P((char *));
+
+/* declarations for functions defined in lib/sh/spell.c */
+extern int spname __P((char *, char *));
+extern char *dirspell __P((char *));
+
+/* declarations for functions defined in lib/sh/strcasecmp.c */
+#if !defined (HAVE_STRCASECMP)
+extern int strncasecmp __P((const char *, const char *, int));
+extern int strcasecmp __P((const char *, const char *));
+#endif /* HAVE_STRCASECMP */
+
+/* declarations for functions defined in lib/sh/strcasestr.c */
+#if ! HAVE_STRCASESTR
+extern char *strcasestr __P((const char *, const char *));
+#endif
+
+/* declarations for functions defined in lib/sh/strerror.c */
+#if !defined (HAVE_STRERROR) && !defined (strerror)
+extern char *strerror __P((int));
+#endif
+
+/* declarations for functions defined in lib/sh/strftime.c */
+#if !defined (HAVE_STRFTIME) && defined (NEED_STRFTIME_DECL)
+extern size_t strftime __P((char *, size_t, const char *, const struct tm *));
+#endif
+
+/* declarations for functions and structures defined in lib/sh/stringlist.c */
+
+/* This is a general-purpose argv-style array struct. */
+typedef struct _list_of_strings {
+ char **list;
+ int list_size;
+ int list_len;
+} STRINGLIST;
+
+typedef int sh_strlist_map_func_t __P((char *));
+
+extern STRINGLIST *strlist_create __P((int));
+extern STRINGLIST *strlist_resize __P((STRINGLIST *, int));
+extern void strlist_flush __P((STRINGLIST *));
+extern void strlist_dispose __P((STRINGLIST *));
+extern int strlist_remove __P((STRINGLIST *, char *));
+extern STRINGLIST *strlist_copy __P((STRINGLIST *));
+extern STRINGLIST *strlist_merge __P((STRINGLIST *, STRINGLIST *));
+extern STRINGLIST *strlist_append __P((STRINGLIST *, STRINGLIST *));
+extern STRINGLIST *strlist_prefix_suffix __P((STRINGLIST *, char *, char *));
+extern void strlist_print __P((STRINGLIST *, char *));
+extern void strlist_walk __P((STRINGLIST *, sh_strlist_map_func_t *));
+extern void strlist_sort __P((STRINGLIST *));
+
+/* declarations for functions defined in lib/sh/stringvec.c */
+
+extern char **strvec_create __P((int));
+extern char **strvec_resize __P((char **, int));
+extern void strvec_flush __P((char **));
+extern void strvec_dispose __P((char **));
+extern int strvec_remove __P((char **, char *));
+extern int strvec_len __P((char **));
+extern int strvec_search __P((char **, char *));
+extern char **strvec_copy __P((char **));
+extern int strvec_strcmp __P((char **, char **));
+extern void strvec_sort __P((char **));
+
+extern char **strvec_from_word_list __P((WORD_LIST *, int, int, int *));
+extern WORD_LIST *strvec_to_word_list __P((char **, int, int));
+
+/* declarations for functions defined in lib/sh/strnlen.c */
+#if !defined (HAVE_STRNLEN)
+extern size_t strnlen __P((const char *, size_t));
+#endif
+
+/* declarations for functions defined in lib/sh/strpbrk.c */
+#if !defined (HAVE_STRPBRK)
+extern char *strpbrk __P((const char *, const char *));
+#endif
+
+/* declarations for functions defined in lib/sh/strtod.c */
+#if !defined (HAVE_STRTOD)
+extern double strtod __P((const char *, char **));
+#endif
+
+/* declarations for functions defined in lib/sh/strtol.c */
+#if !HAVE_DECL_STRTOL
+extern long strtol __P((const char *, char **, int));
+#endif
+
+/* declarations for functions defined in lib/sh/strtoll.c */
+#if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOLL
+extern long long strtoll __P((const char *, char **, int));
+#endif
+
+/* declarations for functions defined in lib/sh/strtoul.c */
+#if !HAVE_DECL_STRTOUL
+extern unsigned long strtoul __P((const char *, char **, int));
+#endif
+
+/* declarations for functions defined in lib/sh/strtoull.c */
+#if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOULL
+extern unsigned long long strtoull __P((const char *, char **, int));
+#endif
+
+/* declarations for functions defined in lib/sh/strimax.c */
+#if !HAVE_DECL_STRTOIMAX
+extern intmax_t strtoimax __P((const char *, char **, int));
+#endif
+
+/* declarations for functions defined in lib/sh/strumax.c */
+#if !HAVE_DECL_STRTOUMAX
+extern uintmax_t strtoumax __P((const char *, char **, int));
+#endif
+
+/* declarations for functions defined in lib/sh/strtrans.c */
+extern char *ansicstr __P((char *, int, int, int *, int *));
+extern char *ansic_quote __P((char *, int, int *));
+extern int ansic_shouldquote __P((const char *));
+extern char *ansiexpand __P((char *, int, int, int *));
+
+/* declarations for functions defined in lib/sh/timeval.c. No prototypes
+ so we don't have to count on having a definition of struct timeval in
+ scope when this file is included. */
+extern void timeval_to_secs ();
+extern void print_timeval ();
+
+/* declarations for functions defined in lib/sh/tmpfile.c */
+#define MT_USETMPDIR 0x0001
+#define MT_READWRITE 0x0002
+#define MT_USERANDOM 0x0004
+
+extern char *sh_mktmpname __P((char *, int));
+extern int sh_mktmpfd __P((char *, int, char **));
+/* extern FILE *sh_mktmpfp __P((char *, int, char **)); */
+
+/* declarations for functions defined in lib/sh/uconvert.c */
+extern int uconvert __P((char *, long *, long *));
+
+/* declarations for functions defined in lib/sh/ufuncs.c */
+extern unsigned int falarm __P((unsigned int, unsigned int));
+extern unsigned int fsleep __P((unsigned int, unsigned int));
+
+/* declarations for functions defined in lib/sh/winsize.c */
+extern void get_new_window_size __P((int, int *, int *));
+
+/* declarations for functions defined in lib/sh/zcatfd.c */
+extern int zcatfd __P((int, int, char *));
+
+/* declarations for functions defined in lib/sh/zgetline.c */
+extern ssize_t zgetline __P((int, char **, size_t *, int));
+
+/* declarations for functions defined in lib/sh/zmapfd.c */
+extern int zmapfd __P((int, char **, char *));
+
+/* declarations for functions defined in lib/sh/zread.c */
+extern ssize_t zread __P((int, char *, size_t));
+extern ssize_t zreadretry __P((int, char *, size_t));
+extern ssize_t zreadintr __P((int, char *, size_t));
+extern ssize_t zreadc __P((int, char *));
+extern ssize_t zreadcintr __P((int, char *));
+extern void zreset __P((void));
+extern void zsyncfd __P((int));
+
+/* declarations for functions defined in lib/sh/zwrite.c */
+extern int zwrite __P((int, char *, size_t));
+
+#endif /* _EXTERNS_H_ */
absolute_program (string)
const char *string;
{
- return ((char *)xstrchr (string, '/') != (char *)NULL);
+ return ((char *)mbschr (string, '/') != (char *)NULL);
}
/* **************************************************************** */
--- /dev/null
+/* general.c -- Stuff that is used by all files. */
+
+/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "config.h"
+
+#include "bashtypes.h"
+#ifndef _MINIX
+# include <sys/param.h>
+#endif
+#include "posixstat.h"
+
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
+#include "filecntl.h"
+#include "bashansi.h"
+#include <stdio.h>
+#include "chartypes.h"
+#include <errno.h>
+
+#include "bashintl.h"
+
+#include "shell.h"
+#include "test.h"
+
+#include <tilde/tilde.h>
+
+#if !defined (errno)
+extern int errno;
+#endif /* !errno */
+
+extern int expand_aliases;
+extern int interactive_comments;
+extern int check_hashed_filenames;
+extern int source_uses_path;
+extern int source_searches_cwd;
+
+static char *bash_special_tilde_expansions __P((char *));
+static int unquoted_tilde_word __P((const char *));
+static void initialize_group_array __P((void));
+
+/* A standard error message to use when getcwd() returns NULL. */
+const char * const bash_getcwd_errstr = N_("getcwd: cannot access parent directories");
+
+/* Do whatever is necessary to initialize `Posix mode'. */
+void
+posix_initialize (on)
+ int on;
+{
+ /* Things that should be turned on when posix mode is enabled. */
+ if (on != 0)
+ {
+ interactive_comments = source_uses_path = expand_aliases = 1;
+ source_searches_cwd = 0;
+ }
+
+ /* Things that should be turned on when posix mode is disabled. */
+ if (on == 0)
+ {
+ source_searches_cwd = 1;
+ expand_aliases = interactive_shell;
+ }
+}
+
+/* **************************************************************** */
+/* */
+/* Functions to convert to and from and display non-standard types */
+/* */
+/* **************************************************************** */
+
+#if defined (RLIMTYPE)
+RLIMTYPE
+string_to_rlimtype (s)
+ char *s;
+{
+ RLIMTYPE ret;
+ int neg;
+
+ ret = 0;
+ neg = 0;
+ while (s && *s && whitespace (*s))
+ s++;
+ if (*s == '-' || *s == '+')
+ {
+ neg = *s == '-';
+ s++;
+ }
+ for ( ; s && *s && DIGIT (*s); s++)
+ ret = (ret * 10) + TODIGIT (*s);
+ return (neg ? -ret : ret);
+}
+
+void
+print_rlimtype (n, addnl)
+ RLIMTYPE n;
+ int addnl;
+{
+ char s[INT_STRLEN_BOUND (RLIMTYPE) + 1], *p;
+
+ p = s + sizeof(s);
+ *--p = '\0';
+
+ if (n < 0)
+ {
+ do
+ *--p = '0' - n % 10;
+ while ((n /= 10) != 0);
+
+ *--p = '-';
+ }
+ else
+ {
+ do
+ *--p = '0' + n % 10;
+ while ((n /= 10) != 0);
+ }
+
+ printf ("%s%s", p, addnl ? "\n" : "");
+}
+#endif /* RLIMTYPE */
+
+/* **************************************************************** */
+/* */
+/* Input Validation Functions */
+/* */
+/* **************************************************************** */
+
+/* Return non-zero if all of the characters in STRING are digits. */
+int
+all_digits (string)
+ char *string;
+{
+ register char *s;
+
+ for (s = string; *s; s++)
+ if (DIGIT (*s) == 0)
+ return (0);
+
+ return (1);
+}
+
+/* Return non-zero if the characters pointed to by STRING constitute a
+ valid number. Stuff the converted number into RESULT if RESULT is
+ not null. */
+int
+legal_number (string, result)
+ const char *string;
+ intmax_t *result;
+{
+ intmax_t value;
+ char *ep;
+
+ if (result)
+ *result = 0;
+
+ errno = 0;
+ value = strtoimax (string, &ep, 10);
+ if (errno || ep == string)
+ return 0; /* errno is set on overflow or underflow */
+
+ /* Skip any trailing whitespace, since strtoimax does not. */
+ while (whitespace (*ep))
+ ep++;
+
+ /* If *string is not '\0' but *ep is '\0' on return, the entire string
+ is valid. */
+ if (string && *string && *ep == '\0')
+ {
+ if (result)
+ *result = value;
+ /* The SunOS4 implementation of strtol() will happily ignore
+ overflow conditions, so this cannot do overflow correctly
+ on those systems. */
+ return 1;
+ }
+
+ return (0);
+}
+
+/* Return 1 if this token is a legal shell `identifier'; that is, it consists
+ solely of letters, digits, and underscores, and does not begin with a
+ digit. */
+int
+legal_identifier (name)
+ char *name;
+{
+ register char *s;
+ unsigned char c;
+
+ if (!name || !(c = *name) || (legal_variable_starter (c) == 0))
+ return (0);
+
+ for (s = name + 1; (c = *s) != 0; s++)
+ {
+ if (legal_variable_char (c) == 0)
+ return (0);
+ }
+ return (1);
+}
+
+/* Make sure that WORD is a valid shell identifier, i.e.
+ does not contain a dollar sign, nor is quoted in any way. Nor
+ does it consist of all digits. If CHECK_WORD is non-zero,
+ the word is checked to ensure that it consists of only letters,
+ digits, and underscores. */
+int
+check_identifier (word, check_word)
+ WORD_DESC *word;
+ int check_word;
+{
+ if ((word->flags & (W_HASDOLLAR|W_QUOTED)) || all_digits (word->word))
+ {
+ internal_error (_("`%s': not a valid identifier"), word->word);
+ return (0);
+ }
+ else if (check_word && legal_identifier (word->word) == 0)
+ {
+ internal_error (_("`%s': not a valid identifier"), word->word);
+ return (0);
+ }
+ else
+ return (1);
+}
+
+/* Return 1 if STRING comprises a valid alias name. The shell accepts
+ essentially all characters except those which must be quoted to the
+ parser (which disqualifies them from alias expansion anyway) and `/'. */
+int
+legal_alias_name (string, flags)
+ char *string;
+ int flags;
+{
+ register char *s;
+
+ for (s = string; *s; s++)
+ if (shellbreak (*s) || shellxquote (*s) || shellexp (*s) || (*s == '/'))
+ return 0;
+ return 1;
+}
+
+/* Returns non-zero if STRING is an assignment statement. The returned value
+ is the index of the `=' sign. */
+int
+assignment (string, flags)
+ const char *string;
+ int flags;
+{
+ register unsigned char c;
+ register int newi, indx;
+
+ c = string[indx = 0];
+
+#if defined (ARRAY_VARS)
+ if ((legal_variable_starter (c) == 0) && (flags == 0 || c != '[')) /* ] */
+#else
+ if (legal_variable_starter (c) == 0)
+#endif
+ return (0);
+
+ while (c = string[indx])
+ {
+ /* The following is safe. Note that '=' at the start of a word
+ is not an assignment statement. */
+ if (c == '=')
+ return (indx);
+
+#if defined (ARRAY_VARS)
+ if (c == '[')
+ {
+ newi = skipsubscript (string, indx);
+ if (string[newi++] != ']')
+ return (0);
+ if (string[newi] == '+' && string[newi+1] == '=')
+ return (newi + 1);
+ return ((string[newi] == '=') ? newi : 0);
+ }
+#endif /* ARRAY_VARS */
+
+ /* Check for `+=' */
+ if (c == '+' && string[indx+1] == '=')
+ return (indx + 1);
+
+ /* Variable names in assignment statements may contain only letters,
+ digits, and `_'. */
+ if (legal_variable_char (c) == 0)
+ return (0);
+
+ indx++;
+ }
+ return (0);
+}
+
+/* **************************************************************** */
+/* */
+/* Functions to manage files and file descriptors */
+/* */
+/* **************************************************************** */
+
+/* A function to unset no-delay mode on a file descriptor. Used in shell.c
+ to unset it on the fd passed as stdin. Should be called on stdin if
+ readline gets an EAGAIN or EWOULDBLOCK when trying to read input. */
+
+#if !defined (O_NDELAY)
+# if defined (FNDELAY)
+# define O_NDELAY FNDELAY
+# endif
+#endif /* O_NDELAY */
+
+/* Make sure no-delay mode is not set on file descriptor FD. */
+int
+sh_unset_nodelay_mode (fd)
+ int fd;
+{
+ int flags, bflags;
+
+ if ((flags = fcntl (fd, F_GETFL, 0)) < 0)
+ return -1;
+
+ bflags = 0;
+
+ /* This is defined to O_NDELAY in filecntl.h if O_NONBLOCK is not present
+ and O_NDELAY is defined. */
+#ifdef O_NONBLOCK
+ bflags |= O_NONBLOCK;
+#endif
+
+#ifdef O_NDELAY
+ bflags |= O_NDELAY;
+#endif
+
+ if (flags & bflags)
+ {
+ flags &= ~bflags;
+ return (fcntl (fd, F_SETFL, flags));
+ }
+
+ return 0;
+}
+
+/* Return 1 if file descriptor FD is valid; 0 otherwise. */
+int
+sh_validfd (fd)
+ int fd;
+{
+ return (fcntl (fd, F_GETFD, 0) >= 0);
+}
+
+/* There is a bug in the NeXT 2.1 rlogind that causes opens
+ of /dev/tty to fail. */
+
+#if defined (__BEOS__)
+/* On BeOS, opening in non-blocking mode exposes a bug in BeOS, so turn it
+ into a no-op. This should probably go away in the future. */
+# undef O_NONBLOCK
+# define O_NONBLOCK 0
+#endif /* __BEOS__ */
+
+void
+check_dev_tty ()
+{
+ int tty_fd;
+ char *tty;
+
+ tty_fd = open ("/dev/tty", O_RDWR|O_NONBLOCK);
+
+ if (tty_fd < 0)
+ {
+ tty = (char *)ttyname (fileno (stdin));
+ if (tty == 0)
+ return;
+ tty_fd = open (tty, O_RDWR|O_NONBLOCK);
+ }
+ close (tty_fd);
+}
+
+/* Return 1 if PATH1 and PATH2 are the same file. This is kind of
+ expensive. If non-NULL STP1 and STP2 point to stat structures
+ corresponding to PATH1 and PATH2, respectively. */
+int
+same_file (path1, path2, stp1, stp2)
+ char *path1, *path2;
+ struct stat *stp1, *stp2;
+{
+ struct stat st1, st2;
+
+ if (stp1 == NULL)
+ {
+ if (stat (path1, &st1) != 0)
+ return (0);
+ stp1 = &st1;
+ }
+
+ if (stp2 == NULL)
+ {
+ if (stat (path2, &st2) != 0)
+ return (0);
+ stp2 = &st2;
+ }
+
+ return ((stp1->st_dev == stp2->st_dev) && (stp1->st_ino == stp2->st_ino));
+}
+
+/* Move FD to a number close to the maximum number of file descriptors
+ allowed in the shell process, to avoid the user stepping on it with
+ redirection and causing us extra work. If CHECK_NEW is non-zero,
+ we check whether or not the file descriptors are in use before
+ duplicating FD onto them. MAXFD says where to start checking the
+ file descriptors. If it's less than 20, we get the maximum value
+ available from getdtablesize(2). */
+int
+move_to_high_fd (fd, check_new, maxfd)
+ int fd, check_new, maxfd;
+{
+ int script_fd, nfds, ignore;
+
+ if (maxfd < 20)
+ {
+ nfds = getdtablesize ();
+ if (nfds <= 0)
+ nfds = 20;
+ if (nfds > HIGH_FD_MAX)
+ nfds = HIGH_FD_MAX; /* reasonable maximum */
+ }
+ else
+ nfds = maxfd;
+
+ for (nfds--; check_new && nfds > 3; nfds--)
+ if (fcntl (nfds, F_GETFD, &ignore) == -1)
+ break;
+
+ if (nfds > 3 && fd != nfds && (script_fd = dup2 (fd, nfds)) != -1)
+ {
+ if (check_new == 0 || fd != fileno (stderr)) /* don't close stderr */
+ close (fd);
+ return (script_fd);
+ }
+
+ /* OK, we didn't find one less than our artificial maximum; return the
+ original file descriptor. */
+ return (fd);
+}
+
+/* Return non-zero if the characters from SAMPLE are not all valid
+ characters to be found in the first line of a shell script. We
+ check up to the first newline, or SAMPLE_LEN, whichever comes first.
+ All of the characters must be printable or whitespace. */
+
+int
+check_binary_file (sample, sample_len)
+ char *sample;
+ int sample_len;
+{
+ register int i;
+ unsigned char c;
+
+ for (i = 0; i < sample_len; i++)
+ {
+ c = sample[i];
+ if (c == '\n')
+ return (0);
+ if (c == '\0')
+ return (1);
+ }
+
+ return (0);
+}
+
+/* **************************************************************** */
+/* */
+/* Functions to manipulate pipes */
+/* */
+/* **************************************************************** */
+
+int
+sh_openpipe (pv)
+ int *pv;
+{
+ int r;
+
+ if ((r = pipe (pv)) < 0)
+ return r;
+
+ pv[0] = move_to_high_fd (pv[0], 1, 64);
+ pv[1] = move_to_high_fd (pv[1], 1, 64);
+
+ return 0;
+}
+
+int
+sh_closepipe (pv)
+ int *pv;
+{
+ if (pv[0] >= 0)
+ close (pv[0]);
+
+ if (pv[1] >= 0)
+ close (pv[1]);
+
+ pv[0] = pv[1] = -1;
+ return 0;
+}
+
+/* **************************************************************** */
+/* */
+/* Functions to inspect pathnames */
+/* */
+/* **************************************************************** */
+
+int
+file_exists (fn)
+ char *fn;
+{
+ struct stat sb;
+
+ return (stat (fn, &sb) == 0);
+}
+
+int
+file_isdir (fn)
+ char *fn;
+{
+ struct stat sb;
+
+ return ((stat (fn, &sb) == 0) && S_ISDIR (sb.st_mode));
+}
+
+int
+file_iswdir (fn)
+ char *fn;
+{
+ return (file_isdir (fn) && sh_eaccess (fn, W_OK) == 0);
+}
+
+/* Return 1 if STRING contains an absolute pathname, else 0. Used by `cd'
+ to decide whether or not to look up a directory name in $CDPATH. */
+int
+absolute_pathname (string)
+ const char *string;
+{
+ if (string == 0 || *string == '\0')
+ return (0);
+
+ if (ABSPATH(string))
+ return (1);
+
+ if (string[0] == '.' && PATHSEP(string[1])) /* . and ./ */
+ return (1);
+
+ if (string[0] == '.' && string[1] == '.' && PATHSEP(string[2])) /* .. and ../ */
+ return (1);
+
+ return (0);
+}
+
+/* Return 1 if STRING is an absolute program name; it is absolute if it
+ contains any slashes. This is used to decide whether or not to look
+ up through $PATH. */
+int
+absolute_program (string)
+ const char *string;
+{
+ return ((char *)xstrchr (string, '/') != (char *)NULL);
+}
+
+/* **************************************************************** */
+/* */
+/* Functions to manipulate pathnames */
+/* */
+/* **************************************************************** */
+
+/* Turn STRING (a pathname) into an absolute pathname, assuming that
+ DOT_PATH contains the symbolic location of `.'. This always
+ returns a new string, even if STRING was an absolute pathname to
+ begin with. */
+char *
+make_absolute (string, dot_path)
+ char *string, *dot_path;
+{
+ char *result;
+
+ if (dot_path == 0 || ABSPATH(string))
+#ifdef __CYGWIN__
+ {
+ char pathbuf[PATH_MAX + 1];
+
+ cygwin_conv_to_full_posix_path (string, pathbuf);
+ result = savestring (pathbuf);
+ }
+#else
+ result = savestring (string);
+#endif
+ else
+ result = sh_makepath (dot_path, string, 0);
+
+ return (result);
+}
+
+/* Return the `basename' of the pathname in STRING (the stuff after the
+ last '/'). If STRING is `/', just return it. */
+char *
+base_pathname (string)
+ char *string;
+{
+ char *p;
+
+#if 0
+ if (absolute_pathname (string) == 0)
+ return (string);
+#endif
+
+ if (string[0] == '/' && string[1] == 0)
+ return (string);
+
+ p = (char *)strrchr (string, '/');
+ return (p ? ++p : string);
+}
+
+/* Return the full pathname of FILE. Easy. Filenames that begin
+ with a '/' are returned as themselves. Other filenames have
+ the current working directory prepended. A new string is
+ returned in either case. */
+char *
+full_pathname (file)
+ char *file;
+{
+ char *ret;
+
+ file = (*file == '~') ? bash_tilde_expand (file, 0) : savestring (file);
+
+ if (ABSPATH(file))
+ return (file);
+
+ ret = sh_makepath ((char *)NULL, file, (MP_DOCWD|MP_RMDOT));
+ free (file);
+
+ return (ret);
+}
+
+/* A slightly related function. Get the prettiest name of this
+ directory possible. */
+static char tdir[PATH_MAX];
+
+/* Return a pretty pathname. If the first part of the pathname is
+ the same as $HOME, then replace that with `~'. */
+char *
+polite_directory_format (name)
+ char *name;
+{
+ char *home;
+ int l;
+
+ home = get_string_value ("HOME");
+ l = home ? strlen (home) : 0;
+ if (l > 1 && strncmp (home, name, l) == 0 && (!name[l] || name[l] == '/'))
+ {
+ strncpy (tdir + 1, name + l, sizeof(tdir) - 2);
+ tdir[0] = '~';
+ tdir[sizeof(tdir) - 1] = '\0';
+ return (tdir);
+ }
+ else
+ return (name);
+}
+
+/* Trim NAME. If NAME begins with `~/', skip over tilde prefix. Trim to
+ keep any tilde prefix and PROMPT_DIRTRIM trailing directory components
+ and replace the intervening characters with `...' */
+char *
+trim_pathname (name, maxlen)
+ char *name;
+ int maxlen;
+{
+ int nlen, ndirs;
+ intmax_t nskip;
+ char *nbeg, *nend, *ntail, *v;
+
+ if (name == 0 || (nlen = strlen (name)) == 0)
+ return name;
+ nend = name + nlen;
+
+ v = get_string_value ("PROMPT_DIRTRIM");
+ if (v == 0 || *v == 0)
+ return name;
+ if (legal_number (v, &nskip) == 0 || nskip <= 0)
+ return name;
+
+ /* Skip over tilde prefix */
+ nbeg = name;
+ if (name[0] == '~')
+ for (nbeg = name; *nbeg; nbeg++)
+ if (*nbeg == '/')
+ {
+ nbeg++;
+ break;
+ }
+ if (*nbeg == 0)
+ return name;
+
+ for (ndirs = 0, ntail = nbeg; *ntail; ntail++)
+ if (*ntail == '/')
+ ndirs++;
+ if (ndirs <= nskip)
+ return name;
+
+ for (ntail = (*nend == '/') ? nend : nend - 1; ntail > nbeg; ntail--)
+ {
+ if (*ntail == '/')
+ nskip--;
+ if (nskip == 0)
+ break;
+ }
+ if (ntail == nbeg)
+ return name;
+
+ /* Now we want to return name[0..nbeg]+"..."+ntail, modifying name in place */
+ nlen = ntail - nbeg;
+ if (nlen <= 3)
+ return name;
+
+ *nbeg++ = '.';
+ *nbeg++ = '.';
+ *nbeg++ = '.';
+
+ nlen = nend - ntail;
+ memcpy (nbeg, ntail, nlen);
+ nbeg[nlen] = '\0';
+
+ return name;
+}
+
+/* Given a string containing units of information separated by colons,
+ return the next one pointed to by (P_INDEX), or NULL if there are no more.
+ Advance (P_INDEX) to the character after the colon. */
+char *
+extract_colon_unit (string, p_index)
+ char *string;
+ int *p_index;
+{
+ int i, start, len;
+ char *value;
+
+ if (string == 0)
+ return (string);
+
+ len = strlen (string);
+ if (*p_index >= len)
+ return ((char *)NULL);
+
+ i = *p_index;
+
+ /* Each call to this routine leaves the index pointing at a colon if
+ there is more to the path. If I is > 0, then increment past the
+ `:'. If I is 0, then the path has a leading colon. Trailing colons
+ are handled OK by the `else' part of the if statement; an empty
+ string is returned in that case. */
+ if (i && string[i] == ':')
+ i++;
+
+ for (start = i; string[i] && string[i] != ':'; i++)
+ ;
+
+ *p_index = i;
+
+ if (i == start)
+ {
+ if (string[i])
+ (*p_index)++;
+ /* Return "" in the case of a trailing `:'. */
+ value = (char *)xmalloc (1);
+ value[0] = '\0';
+ }
+ else
+ value = substring (string, start, i);
+
+ return (value);
+}
+
+/* **************************************************************** */
+/* */
+/* Tilde Initialization and Expansion */
+/* */
+/* **************************************************************** */
+
+#if defined (PUSHD_AND_POPD)
+extern char *get_dirstack_from_string __P((char *));
+#endif
+
+static char **bash_tilde_prefixes;
+static char **bash_tilde_prefixes2;
+static char **bash_tilde_suffixes;
+static char **bash_tilde_suffixes2;
+
+/* If tilde_expand hasn't been able to expand the text, perhaps it
+ is a special shell expansion. This function is installed as the
+ tilde_expansion_preexpansion_hook. It knows how to expand ~- and ~+.
+ If PUSHD_AND_POPD is defined, ~[+-]N expands to directories from the
+ directory stack. */
+static char *
+bash_special_tilde_expansions (text)
+ char *text;
+{
+ char *result;
+
+ result = (char *)NULL;
+
+ if (text[0] == '+' && text[1] == '\0')
+ result = get_string_value ("PWD");
+ else if (text[0] == '-' && text[1] == '\0')
+ result = get_string_value ("OLDPWD");
+#if defined (PUSHD_AND_POPD)
+ else if (DIGIT (*text) || ((*text == '+' || *text == '-') && DIGIT (text[1])))
+ result = get_dirstack_from_string (text);
+#endif
+
+ return (result ? savestring (result) : (char *)NULL);
+}
+
+/* Initialize the tilde expander. In Bash, we handle `~-' and `~+', as
+ well as handling special tilde prefixes; `:~" and `=~' are indications
+ that we should do tilde expansion. */
+void
+tilde_initialize ()
+{
+ static int times_called = 0;
+
+ /* Tell the tilde expander that we want a crack first. */
+ tilde_expansion_preexpansion_hook = bash_special_tilde_expansions;
+
+ /* Tell the tilde expander about special strings which start a tilde
+ expansion, and the special strings that end one. Only do this once.
+ tilde_initialize () is called from within bashline_reinitialize (). */
+ if (times_called++ == 0)
+ {
+ bash_tilde_prefixes = strvec_create (3);
+ bash_tilde_prefixes[0] = "=~";
+ bash_tilde_prefixes[1] = ":~";
+ bash_tilde_prefixes[2] = (char *)NULL;
+
+ bash_tilde_prefixes2 = strvec_create (2);
+ bash_tilde_prefixes2[0] = ":~";
+ bash_tilde_prefixes2[1] = (char *)NULL;
+
+ tilde_additional_prefixes = bash_tilde_prefixes;
+
+ bash_tilde_suffixes = strvec_create (3);
+ bash_tilde_suffixes[0] = ":";
+ bash_tilde_suffixes[1] = "=~"; /* XXX - ?? */
+ bash_tilde_suffixes[2] = (char *)NULL;
+
+ tilde_additional_suffixes = bash_tilde_suffixes;
+
+ bash_tilde_suffixes2 = strvec_create (2);
+ bash_tilde_suffixes2[0] = ":";
+ bash_tilde_suffixes2[1] = (char *)NULL;
+ }
+}
+
+/* POSIX.2, 3.6.1: A tilde-prefix consists of an unquoted tilde character
+ at the beginning of the word, followed by all of the characters preceding
+ the first unquoted slash in the word, or all the characters in the word
+ if there is no slash...If none of the characters in the tilde-prefix are
+ quoted, the characters in the tilde-prefix following the tilde shell be
+ treated as a possible login name. */
+
+#define TILDE_END(c) ((c) == '\0' || (c) == '/' || (c) == ':')
+
+static int
+unquoted_tilde_word (s)
+ const char *s;
+{
+ const char *r;
+
+ for (r = s; TILDE_END(*r) == 0; r++)
+ {
+ switch (*r)
+ {
+ case '\\':
+ case '\'':
+ case '"':
+ return 0;
+ }
+ }
+ return 1;
+}
+
+/* Find the end of the tilde-prefix starting at S, and return the tilde
+ prefix in newly-allocated memory. Return the length of the string in
+ *LENP. FLAGS tells whether or not we're in an assignment context --
+ if so, `:' delimits the end of the tilde prefix as well. */
+char *
+bash_tilde_find_word (s, flags, lenp)
+ const char *s;
+ int flags, *lenp;
+{
+ const char *r;
+ char *ret;
+ int l;
+
+ for (r = s; *r && *r != '/'; r++)
+ {
+ /* Short-circuit immediately if we see a quote character. Even though
+ POSIX says that `the first unquoted slash' (or `:') terminates the
+ tilde-prefix, in practice, any quoted portion of the tilde prefix
+ will cause it to not be expanded. */
+ if (*r == '\\' || *r == '\'' || *r == '"')
+ {
+ ret = savestring (s);
+ if (lenp)
+ *lenp = 0;
+ return ret;
+ }
+ else if (flags && *r == ':')
+ break;
+ }
+ l = r - s;
+ ret = xmalloc (l + 1);
+ strncpy (ret, s, l);
+ ret[l] = '\0';
+ if (lenp)
+ *lenp = l;
+ return ret;
+}
+
+/* Tilde-expand S by running it through the tilde expansion library.
+ ASSIGN_P is 1 if this is a variable assignment, so the alternate
+ tilde prefixes should be enabled (`=~' and `:~', see above). If
+ ASSIGN_P is 2, we are expanding the rhs of an assignment statement,
+ so `=~' is not valid. */
+char *
+bash_tilde_expand (s, assign_p)
+ const char *s;
+ int assign_p;
+{
+ int old_immed, old_term, r;
+ char *ret;
+
+ old_immed = interrupt_immediately;
+ old_term = terminate_immediately;
+ interrupt_immediately = terminate_immediately = 1;
+
+ tilde_additional_prefixes = assign_p == 0 ? (char **)0
+ : (assign_p == 2 ? bash_tilde_prefixes2 : bash_tilde_prefixes);
+ if (assign_p == 2)
+ tilde_additional_suffixes = bash_tilde_suffixes2;
+
+ r = (*s == '~') ? unquoted_tilde_word (s) : 1;
+ ret = r ? tilde_expand (s) : savestring (s);
+ interrupt_immediately = old_immed;
+ terminate_immediately = old_term;
+ return (ret);
+}
+
+/* **************************************************************** */
+/* */
+/* Functions to manipulate and search the group list */
+/* */
+/* **************************************************************** */
+
+static int ngroups, maxgroups;
+
+/* The set of groups that this user is a member of. */
+static GETGROUPS_T *group_array = (GETGROUPS_T *)NULL;
+
+#if !defined (NOGROUP)
+# define NOGROUP (gid_t) -1
+#endif
+
+static void
+initialize_group_array ()
+{
+ register int i;
+
+ if (maxgroups == 0)
+ maxgroups = getmaxgroups ();
+
+ ngroups = 0;
+ group_array = (GETGROUPS_T *)xrealloc (group_array, maxgroups * sizeof (GETGROUPS_T));
+
+#if defined (HAVE_GETGROUPS)
+ ngroups = getgroups (maxgroups, group_array);
+#endif
+
+ /* If getgroups returns nothing, or the OS does not support getgroups(),
+ make sure the groups array includes at least the current gid. */
+ if (ngroups == 0)
+ {
+ group_array[0] = current_user.gid;
+ ngroups = 1;
+ }
+
+ /* If the primary group is not in the groups array, add it as group_array[0]
+ and shuffle everything else up 1, if there's room. */
+ for (i = 0; i < ngroups; i++)
+ if (current_user.gid == (gid_t)group_array[i])
+ break;
+ if (i == ngroups && ngroups < maxgroups)
+ {
+ for (i = ngroups; i > 0; i--)
+ group_array[i] = group_array[i - 1];
+ group_array[0] = current_user.gid;
+ ngroups++;
+ }
+
+ /* If the primary group is not group_array[0], swap group_array[0] and
+ whatever the current group is. The vast majority of systems should
+ not need this; a notable exception is Linux. */
+ if (group_array[0] != current_user.gid)
+ {
+ for (i = 0; i < ngroups; i++)
+ if (group_array[i] == current_user.gid)
+ break;
+ if (i < ngroups)
+ {
+ group_array[i] = group_array[0];
+ group_array[0] = current_user.gid;
+ }
+ }
+}
+
+/* Return non-zero if GID is one that we have in our groups list. */
+int
+#if defined (__STDC__) || defined ( _MINIX)
+group_member (gid_t gid)
+#else
+group_member (gid)
+ gid_t gid;
+#endif /* !__STDC__ && !_MINIX */
+{
+#if defined (HAVE_GETGROUPS)
+ register int i;
+#endif
+
+ /* Short-circuit if possible, maybe saving a call to getgroups(). */
+ if (gid == current_user.gid || gid == current_user.egid)
+ return (1);
+
+#if defined (HAVE_GETGROUPS)
+ if (ngroups == 0)
+ initialize_group_array ();
+
+ /* In case of error, the user loses. */
+ if (ngroups <= 0)
+ return (0);
+
+ /* Search through the list looking for GID. */
+ for (i = 0; i < ngroups; i++)
+ if (gid == (gid_t)group_array[i])
+ return (1);
+#endif
+
+ return (0);
+}
+
+char **
+get_group_list (ngp)
+ int *ngp;
+{
+ static char **group_vector = (char **)NULL;
+ register int i;
+
+ if (group_vector)
+ {
+ if (ngp)
+ *ngp = ngroups;
+ return group_vector;
+ }
+
+ if (ngroups == 0)
+ initialize_group_array ();
+
+ if (ngroups <= 0)
+ {
+ if (ngp)
+ *ngp = 0;
+ return (char **)NULL;
+ }
+
+ group_vector = strvec_create (ngroups);
+ for (i = 0; i < ngroups; i++)
+ group_vector[i] = itos (group_array[i]);
+
+ if (ngp)
+ *ngp = ngroups;
+ return group_vector;
+}
+
+int *
+get_group_array (ngp)
+ int *ngp;
+{
+ int i;
+ static int *group_iarray = (int *)NULL;
+
+ if (group_iarray)
+ {
+ if (ngp)
+ *ngp = ngroups;
+ return (group_iarray);
+ }
+
+ if (ngroups == 0)
+ initialize_group_array ();
+
+ if (ngroups <= 0)
+ {
+ if (ngp)
+ *ngp = 0;
+ return (int *)NULL;
+ }
+
+ group_iarray = (int *)xmalloc (ngroups * sizeof (int));
+ for (i = 0; i < ngroups; i++)
+ group_iarray[i] = (int)group_array[i];
+
+ if (ngp)
+ *ngp = ngroups;
+ return group_iarray;
+}
#endif
#ifndef member
-# define member(c, s) ((c) ? ((char *)xstrchr ((s), (c)) != (char *)NULL) : 0)
+# define member(c, s) ((c) ? ((char *)mbschr ((s), (c)) != (char *)NULL) : 0)
#endif
#ifndef whitespace
--- /dev/null
+/* general.h -- defines that everybody likes to use. */
+
+/* Copyright (C) 1993-2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#if !defined (_GENERAL_H_)
+#define _GENERAL_H_
+
+#include "stdc.h"
+
+#include "bashtypes.h"
+#include "chartypes.h"
+
+#if defined (HAVE_SYS_RESOURCE_H) && defined (RLIMTYPE)
+# if defined (HAVE_SYS_TIME_H)
+# include <sys/time.h>
+# endif
+# include <sys/resource.h>
+#endif
+
+#if defined (HAVE_STRING_H)
+# include <string.h>
+#else
+# include <strings.h>
+#endif /* !HAVE_STRING_H */
+
+#if defined (HAVE_LIMITS_H)
+# include <limits.h>
+#endif
+
+#include "xmalloc.h"
+
+/* NULL pointer type. */
+#if !defined (NULL)
+# if defined (__STDC__)
+# define NULL ((void *) 0)
+# else
+# define NULL 0x0
+# endif /* !__STDC__ */
+#endif /* !NULL */
+
+/* Hardly used anymore */
+#define pointer_to_int(x) (int)((char *)x - (char *)0)
+
+#if defined (alpha) && defined (__GNUC__) && !defined (strchr) && !defined (__STDC__)
+extern char *strchr (), *strrchr ();
+#endif
+
+#if !defined (strcpy) && (defined (HAVE_DECL_STRCPY) && !HAVE_DECL_STRCPY)
+extern char *strcpy __P((char *, const char *));
+#endif
+
+#if !defined (savestring)
+# define savestring(x) (char *)strcpy (xmalloc (1 + strlen (x)), (x))
+#endif
+
+#ifndef member
+# define member(c, s) ((c) ? ((char *)xstrchr ((s), (c)) != (char *)NULL) : 0)
+#endif
+
+#ifndef whitespace
+#define whitespace(c) (((c) == ' ') || ((c) == '\t'))
+#endif
+
+#ifndef CHAR_MAX
+# ifdef __CHAR_UNSIGNED__
+# define CHAR_MAX 0xff
+# else
+# define CHAR_MAX 0x7f
+# endif
+#endif
+
+#ifndef CHAR_BIT
+# define CHAR_BIT 8
+#endif
+
+/* Nonzero if the integer type T is signed. */
+#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
+
+/* Bound on length of the string representing an integer value of type T.
+ Subtract one for the sign bit if T is signed;
+ 302 / 1000 is log10 (2) rounded up;
+ add one for integer division truncation;
+ add one more for a minus sign if t is signed. */
+#define INT_STRLEN_BOUND(t) \
+ ((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 1000 \
+ + 1 + TYPE_SIGNED (t))
+
+
+/* Define exactly what a legal shell identifier consists of. */
+#define legal_variable_starter(c) (ISALPHA(c) || (c == '_'))
+#define legal_variable_char(c) (ISALNUM(c) || c == '_')
+
+/* Definitions used in subst.c and by the `read' builtin for field
+ splitting. */
+#define spctabnl(c) ((c) == ' ' || (c) == '\t' || (c) == '\n')
+
+/* All structs which contain a `next' field should have that field
+ as the first field in the struct. This means that functions
+ can be written to handle the general case for linked lists. */
+typedef struct g_list {
+ struct g_list *next;
+} GENERIC_LIST;
+
+/* Here is a generic structure for associating character strings
+ with integers. It is used in the parser for shell tokenization. */
+typedef struct {
+ char *word;
+ int token;
+} STRING_INT_ALIST;
+
+/* A macro to avoid making an uneccessary function call. */
+#define REVERSE_LIST(list, type) \
+ ((list && list->next) ? (type)list_reverse ((GENERIC_LIST *)list) \
+ : (type)(list))
+
+#if __GNUC__ > 1
+# define FASTCOPY(s, d, n) __builtin_memcpy ((d), (s), (n))
+#else /* !__GNUC__ */
+# if !defined (HAVE_BCOPY)
+# if !defined (HAVE_MEMMOVE)
+# define FASTCOPY(s, d, n) memcpy ((d), (s), (n))
+# else
+# define FASTCOPY(s, d, n) memmove ((d), (s), (n))
+# endif /* !HAVE_MEMMOVE */
+# else /* HAVE_BCOPY */
+# define FASTCOPY(s, d, n) bcopy ((s), (d), (n))
+# endif /* HAVE_BCOPY */
+#endif /* !__GNUC__ */
+
+/* String comparisons that possibly save a function call each. */
+#define STREQ(a, b) ((a)[0] == (b)[0] && strcmp(a, b) == 0)
+#define STREQN(a, b, n) ((n == 0) ? (1) \
+ : ((a)[0] == (b)[0] && strncmp(a, b, n) == 0))
+
+/* More convenience definitions that possibly save system or libc calls. */
+#define STRLEN(s) (((s) && (s)[0]) ? ((s)[1] ? ((s)[2] ? strlen(s) : 2) : 1) : 0)
+#define FREE(s) do { if (s) free (s); } while (0)
+#define MEMBER(c, s) (((c) && c == (s)[0] && !(s)[1]) || (member(c, s)))
+
+/* A fairly hairy macro to check whether an allocated string has more room,
+ and to resize it using xrealloc if it does not.
+ STR is the string (char *)
+ CIND is the current index into the string (int)
+ ROOM is the amount of additional room we need in the string (int)
+ CSIZE is the currently-allocated size of STR (int)
+ SINCR is how much to increment CSIZE before calling xrealloc (int) */
+
+#define RESIZE_MALLOCED_BUFFER(str, cind, room, csize, sincr) \
+ do { \
+ if ((cind) + (room) >= csize) \
+ { \
+ while ((cind) + (room) >= csize) \
+ csize += (sincr); \
+ str = xrealloc (str, csize); \
+ } \
+ } while (0)
+
+/* Function pointers can be declared as (Function *)foo. */
+#if !defined (_FUNCTION_DEF)
+# define _FUNCTION_DEF
+typedef int Function ();
+typedef void VFunction ();
+typedef char *CPFunction (); /* no longer used */
+typedef char **CPPFunction (); /* no longer used */
+#endif /* _FUNCTION_DEF */
+
+#ifndef SH_FUNCTION_TYPEDEF
+# define SH_FUNCTION_TYPEDEF
+
+/* Shell function typedefs with prototypes */
+/* `Generic' function pointer typedefs */
+
+typedef int sh_intfunc_t __P((int));
+typedef int sh_ivoidfunc_t __P((void));
+typedef int sh_icpfunc_t __P((char *));
+typedef int sh_icppfunc_t __P((char **));
+typedef int sh_iptrfunc_t __P((PTR_T));
+
+typedef void sh_voidfunc_t __P((void));
+typedef void sh_vintfunc_t __P((int));
+typedef void sh_vcpfunc_t __P((char *));
+typedef void sh_vcppfunc_t __P((char **));
+typedef void sh_vptrfunc_t __P((PTR_T));
+
+typedef int sh_wdesc_func_t __P((WORD_DESC *));
+typedef int sh_wlist_func_t __P((WORD_LIST *));
+
+typedef int sh_glist_func_t __P((GENERIC_LIST *));
+
+typedef char *sh_string_func_t __P((char *)); /* like savestring, et al. */
+
+typedef int sh_msg_func_t __P((const char *, ...)); /* printf(3)-like */
+typedef void sh_vmsg_func_t __P((const char *, ...)); /* printf(3)-like */
+
+/* Specific function pointer typedefs. Most of these could be done
+ with #defines. */
+typedef void sh_sv_func_t __P((char *)); /* sh_vcpfunc_t */
+typedef void sh_free_func_t __P((PTR_T)); /* sh_vptrfunc_t */
+typedef void sh_resetsig_func_t __P((int)); /* sh_vintfunc_t */
+
+typedef int sh_ignore_func_t __P((const char *)); /* sh_icpfunc_t */
+
+typedef int sh_assign_func_t __P((const char *)); /* sh_icpfunc_t */
+typedef int sh_wassign_func_t __P((WORD_DESC *));
+
+typedef int sh_builtin_func_t __P((WORD_LIST *)); /* sh_wlist_func_t */
+
+#endif /* SH_FUNCTION_TYPEDEF */
+
+#define NOW ((time_t) time ((time_t *) 0))
+
+/* Some defines for calling file status functions. */
+#define FS_EXISTS 0x1
+#define FS_EXECABLE 0x2
+#define FS_EXEC_PREFERRED 0x4
+#define FS_EXEC_ONLY 0x8
+#define FS_DIRECTORY 0x10
+#define FS_NODIRS 0x20
+#define FS_READABLE 0x40
+
+/* Default maximum for move_to_high_fd */
+#define HIGH_FD_MAX 256
+
+/* The type of function passed as the fourth argument to qsort(3). */
+#ifdef __STDC__
+typedef int QSFUNC (const void *, const void *);
+#else
+typedef int QSFUNC ();
+#endif
+
+/* Some useful definitions for Unix pathnames. Argument convention:
+ x == string, c == character */
+
+#if !defined (__CYGWIN__)
+# define ABSPATH(x) ((x)[0] == '/')
+# define RELPATH(x) ((x)[0] != '/')
+#else /* __CYGWIN__ */
+# define ABSPATH(x) (((x)[0] && ISALPHA((unsigned char)(x)[0]) && (x)[1] == ':') || ISDIRSEP((x)[0]))
+# define RELPATH(x) (ABSPATH(x) == 0)
+#endif /* __CYGWIN__ */
+
+#define ROOTEDPATH(x) (ABSPATH(x))
+
+#define DIRSEP '/'
+#if !defined (__CYGWIN__)
+# define ISDIRSEP(c) ((c) == '/')
+#else
+# define ISDIRSEP(c) ((c) == '/' || (c) == '\\')
+#endif /* __CYGWIN__ */
+#define PATHSEP(c) (ISDIRSEP(c) || (c) == 0)
+
+#if 0
+/* Declarations for functions defined in xmalloc.c */
+extern PTR_T xmalloc __P((size_t));
+extern PTR_T xrealloc __P((void *, size_t));
+extern void xfree __P((void *));
+#endif
+
+/* Declarations for functions defined in general.c */
+extern void posix_initialize __P((int));
+
+#if defined (RLIMTYPE)
+extern RLIMTYPE string_to_rlimtype __P((char *));
+extern void print_rlimtype __P((RLIMTYPE, int));
+#endif
+
+extern int all_digits __P((char *));
+extern int legal_number __P((const char *, intmax_t *));
+extern int legal_identifier __P((char *));
+extern int check_identifier __P((WORD_DESC *, int));
+extern int legal_alias_name __P((char *, int));
+extern int assignment __P((const char *, int));
+
+extern int sh_unset_nodelay_mode __P((int));
+extern int sh_validfd __P((int));
+extern void check_dev_tty __P((void));
+extern int move_to_high_fd __P((int, int, int));
+extern int check_binary_file __P((char *, int));
+
+#ifdef _POSIXSTAT_H_
+extern int same_file __P((char *, char *, struct stat *, struct stat *));
+#endif
+
+extern int sh_openpipe __P((int *));
+extern int sh_closepipe __P((int *));
+
+extern int file_exists __P((char *));
+extern int file_isdir __P((char *));
+extern int file_iswdir __P((char *));
+extern int absolute_pathname __P((const char *));
+extern int absolute_program __P((const char *));
+
+extern char *make_absolute __P((char *, char *));
+extern char *base_pathname __P((char *));
+extern char *full_pathname __P((char *));
+extern char *polite_directory_format __P((char *));
+extern char *trim_pathname __P((char *, int));
+
+extern char *extract_colon_unit __P((char *, int *));
+
+extern void tilde_initialize __P((void));
+extern char *bash_tilde_find_word __P((const char *, int, int *));
+extern char *bash_tilde_expand __P((const char *, int));
+
+extern int group_member __P((gid_t));
+extern char **get_group_list __P((int *));
+extern int *get_group_array __P((int *));
+
+#endif /* _GENERAL_H_ */
*np = 0;
if (ep)
*ep = 0;
- if (r)
+ if (r && r != &glob_error_return)
free (r);
return (struct globval *)0;
}
woff = WRAP_OFFSET (_rl_last_v_pos, wrap_offset);
cpos = _rl_last_c_pos;
+
+ if (cpos == 0 && cpos == new)
+ return;
+
#if defined (HANDLE_MULTIBYTE)
/* If we have multibyte characters, NEW is indexed by the buffer point in
a multibyte string, but _rl_last_c_pos is the display position. In
prompt string, since they're both buffer indices and DPOS is a
desired display position. */
if ((new > prompt_last_invisible) || /* XXX - don't use woff here */
- (prompt_physical_chars > _rl_screenwidth &&
+ (prompt_physical_chars >= _rl_screenwidth &&
_rl_last_v_pos == prompt_last_screen_line &&
- wrap_offset >= woff &&
+ wrap_offset >= woff && dpos >= woff &&
new > (prompt_last_invisible-(_rl_screenwidth*_rl_last_v_pos)-wrap_offset)))
/* XXX last comparison might need to be >= */
{
space_to_eol will insert too many spaces. XXX - maybe we should
adjust col_lendiff based on the difference between _rl_last_c_pos
and _rl_screenwidth */
- if (col_lendiff && (_rl_last_c_pos < _rl_screenwidth))
+ if (col_lendiff && ((MB_CUR_MAX == 1 || rl_byte_oriented) || (_rl_last_c_pos < _rl_screenwidth)))
#endif
{
if (_rl_term_autowrap && current_line < inv_botlin)
woff = WRAP_OFFSET (_rl_last_v_pos, wrap_offset);
cpos = _rl_last_c_pos;
+
+#if 0
+ if (cpos == 0 && cpos == new)
+ return;
+#endif
+
#if defined (HANDLE_MULTIBYTE)
/* If we have multibyte characters, NEW is indexed by the buffer point in
a multibyte string, but _rl_last_c_pos is the display position. In
prompt string, since they're both buffer indices and DPOS is a
desired display position. */
if ((new > prompt_last_invisible) || /* XXX - don't use woff here */
- (prompt_physical_chars > _rl_screenwidth &&
+ (prompt_physical_chars >= _rl_screenwidth &&
_rl_last_v_pos == prompt_last_screen_line &&
- wrap_offset >= woff &&
+ wrap_offset >= woff && dpos >= woff &&
new > (prompt_last_invisible-(_rl_screenwidth*_rl_last_v_pos)-wrap_offset)))
/* XXX last comparison might need to be >= */
{
switch (sig)
{
case SIGINT: c = _rl_intr_char; break;
+#if defined (SIGQUIT)
case SIGQUIT: c = _rl_quit_char; break;
+#endif
+#if defined (SIGTSTP)
case SIGTSTP: c = _rl_susp_char; break;
+#endif
default: return;
}
vprint.c itos.c rename.c zread.c zwrite.c shtty.c \
inet_aton.c netconn.c netopen.c strpbrk.c timeval.c makepath.c \
pathcanon.c pathphys.c tmpfile.c stringlist.c stringvec.c spell.c \
- shquote.c strtrans.c strindex.c snprintf.c mailstat.c \
+ shquote.c strtrans.c strcasestr.c snprintf.c mailstat.c \
fmtulong.c fmtullong.c fmtumax.c shmatch.c strnlen.c \
strtoll.c strtoull.c strtoimax.c strtoumax.c memset.c strstr.c \
- mktime.c strftime.c xstrchr.c zcatfd.c zmapfd.c winsize.c eaccess.c \
+ mktime.c strftime.c mbschr.c zcatfd.c zmapfd.c winsize.c eaccess.c \
wcsdup.c fpurge.c zgetline.c mbscmp.c uconvert.c ufuncs.c \
- casemod.c fdprintf.c input_avail.c
+ casemod.c fdprintf.c input_avail.c mbscasecmp.c
# The header files for this library.
HSOURCES =
itos.o zread.o zwrite.o shtty.o shmatch.o eaccess.o \
netconn.o netopen.o timeval.o makepath.o pathcanon.o \
pathphys.o tmpfile.o stringlist.o stringvec.o spell.o shquote.o \
- strtrans.o strindex.o snprintf.o mailstat.o fmtulong.o \
- fmtullong.o fmtumax.o xstrchr.o zcatfd.o zmapfd.o winsize.o wcsdup.o \
+ strtrans.o snprintf.o mailstat.o fmtulong.o \
+ fmtullong.o fmtumax.o zcatfd.o zmapfd.o winsize.o wcsdup.o \
fpurge.o zgetline.o mbscmp.o uconvert.o ufuncs.o casemod.o \
- fdprintf.o input_avail.o ${LIBOBJS}
+ fdprintf.o input_avail.o mbscasecmp.o ${LIBOBJS}
SUPPORT = Makefile
itos.o: itos.c
mailstat.o: mailstat.c
makepath.o: makepath.c
+mbscasecmp.o: mbscasecmp.c
mbscmp.o: mbscmp.c
memset.o: memset.c
mktime.o: mktime.c
strcasecmp.o: strcasecmp.c
strerror.o: strerror.c
strftime.o: strftime.c
-strindex.o: strindex.c
+strcasestr.o: strcasestr.c
stringlist.o: stringlist.c
stringvec.o: stringvec.c
strnlen.o: strnlen.c
ufuncs.o: ufuncs.c
vprint.o: vprint.c
wcsdup.o: wcsdup.c
-xstrchr.o: xstrchr.c
+mbschr.o: mbschr.c
zcatfd.o: zcatfd.c
zmapfd.o: zmapfd.c
zgetline.o: zgetline.c
itos.o: ${BUILD_DIR}/config.h
mailstat.o: ${BUILD_DIR}/config.h
makepath.o: ${BUILD_DIR}/config.h
+mbscasecmp.o: ${BUILD_DIR}/config.h
mbscmp.o: ${BUILD_DIR}/config.h
memset.o: ${BUILD_DIR}/config.h
mktime.o: ${BUILD_DIR}/config.h
strcasecmp.o: ${BUILD_DIR}/config.h
strerror.o: ${BUILD_DIR}/config.h
strftime.o: ${BUILD_DIR}/config.h
-strindex.o: ${BUILD_DIR}/config.h
+strcasestr.o: ${BUILD_DIR}/config.h
stringlist.o: ${BUILD_DIR}/config.h
stringvec.o: ${BUILD_DIR}/config.h
strnlen.o: ${BUILD_DIR}/config.h
ufuncs.o: ${BUILD_DIR}/config.h
vprint.o: ${BUILD_DIR}/config.h
wcsdup.o: ${BUILD_DIR}/config.h
-xstrchr.o: ${BUILD_DIR}/config.h
+mbschr.o: ${BUILD_DIR}/config.h
zcatfd.o: ${BUILD_DIR}/config.h
zgetline.o: ${BUILD_DIR}/config.h
zmapfd.o: ${BUILD_DIR}/config.h
strerror.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
strerror.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h ${BUILD_DIR}/version.h
-strindex.o: ${BASHINCDIR}/stdc.h ${topdir}/bashansi.h
-strindex.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
+strcasestr.o: ${BASHINCDIR}/stdc.h ${topdir}/bashansi.h
+strcasestr.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
stringlist.o: ${topdir}/bashansi.h
stringlist.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
wcsdup.o: ${BASHINCDIR}/stdc.h
wcsdup.o: ${topdir}/xmalloc.h
-xstrchr.o: ${topdir}/bashansi.h
-xstrchr.o: ${BASHINCDIR}/ansi_stdlib.h
-xstrchr.o: ${BASHINCDIR}/shmbutil.h
+mbschr.o: ${topdir}/bashansi.h
+mbschr.o: ${BASHINCDIR}/ansi_stdlib.h
+mbschr.o: ${BASHINCDIR}/shmbutil.h
zgetline.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
zgetline.o: ${BASHINCDIR}/stdc.h
zgetline.o: ${topdir}/xmalloc.h
zgetline.o: ${topdir}/bashtypes.h
+mbscasecmp.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+mbscasecmp.o: ${BASHINCDIR}/stdc.h
+mbscasecmp.o: ${topdir}/xmalloc.h
+
mbscmp.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
mbscmp.o: ${BASHINCDIR}/stdc.h
mbscmp.o: ${topdir}/xmalloc.h
input_avail.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
input_avail.o: ${BASHINCDIR}/stdc.h
input_avail.o: ${topdir}/xmalloc.h
-
--- /dev/null
+#
+# Makefile for the Bash library
+#
+#
+# Copyright (C) 1998-2009 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+PACKAGE = @PACKAGE_NAME@
+VERSION = @PACKAGE_VERSION@
+
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+
+srcdir = @srcdir@
+VPATH = .:@srcdir@
+topdir = @top_srcdir@
+BUILD_DIR = @BUILD_DIR@
+
+LIBBUILD = ${BUILD_DIR}/lib
+
+BASHINCDIR = ${topdir}/include
+
+INTL_LIBSRC = ${topdir}/lib/intl
+INTL_BUILDDIR = ${LIBBUILD}/intl
+INTL_INC = @INTL_INC@
+LIBINTL_H = @LIBINTL_H@
+
+datarootdir = @datarootdir@
+
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_DATA = @INSTALL_DATA@
+
+CC = @CC@
+RANLIB = @RANLIB@
+AR = @AR@
+ARFLAGS = @ARFLAGS@
+RM = rm -f
+CP = cp
+MV = mv
+
+SHELL = @MAKE_SHELL@
+
+CFLAGS = @CFLAGS@
+LOCAL_CFLAGS = @LOCAL_CFLAGS@ ${DEBUG}
+CPPFLAGS = @CPPFLAGS@
+LDFLAGS = @LDFLAGS@ @LOCAL_LDFLAGS@
+
+PROFILE_FLAGS = @PROFILE_FLAGS@
+
+DEFS = @DEFS@
+LOCAL_DEFS = @LOCAL_DEFS@
+
+INCLUDES = -I. -I../.. -I$(topdir) -I$(topdir)/lib -I$(BASHINCDIR) -I$(srcdir) $(INTL_INC)
+
+CCFLAGS = ${PROFILE_FLAGS} ${INCLUDES} $(DEFS) $(LOCAL_DEFS) $(LOCAL_CFLAGS) \
+ $(CFLAGS) $(CPPFLAGS)
+
+GCC_LINT_FLAGS = -Wall -Wshadow -Wpointer-arith -Wcast-qual \
+ -Wcast-align -Wstrict-prototypes -Wconversion \
+ -Wmissing-prototypes -Wtraditional -Wredundant-decls -pedantic
+
+.c.o:
+ $(CC) -c $(CCFLAGS) $<
+
+# The name of the library target.
+LIBRARY_NAME = libsh.a
+
+# The C code source files for this library.
+CSOURCES = clktck.c clock.c getcwd.c getenv.c oslib.c setlinebuf.c \
+ strcasecmp.c strerror.c strtod.c strtol.c strtoul.c \
+ vprint.c itos.c rename.c zread.c zwrite.c shtty.c \
+ inet_aton.c netconn.c netopen.c strpbrk.c timeval.c makepath.c \
+ pathcanon.c pathphys.c tmpfile.c stringlist.c stringvec.c spell.c \
+ shquote.c strtrans.c strcasestr.c snprintf.c mailstat.c \
+ fmtulong.c fmtullong.c fmtumax.c shmatch.c strnlen.c \
+ strtoll.c strtoull.c strtoimax.c strtoumax.c memset.c strstr.c \
+ mktime.c strftime.c mbschr.c zcatfd.c zmapfd.c winsize.c eaccess.c \
+ wcsdup.c fpurge.c zgetline.c mbscmp.c uconvert.c ufuncs.c \
+ casemod.c fdprintf.c input_avail.c
+
+# The header files for this library.
+HSOURCES =
+
+# The object files contained in $(LIBRARY_NAME)
+LIBOBJS = @LIBOBJS@
+OBJECTS = clktck.o clock.o getenv.o oslib.o setlinebuf.o strnlen.o \
+ itos.o zread.o zwrite.o shtty.o shmatch.o eaccess.o \
+ netconn.o netopen.o timeval.o makepath.o pathcanon.o \
+ pathphys.o tmpfile.o stringlist.o stringvec.o spell.o shquote.o \
+ strtrans.o snprintf.o mailstat.o fmtulong.o \
+ fmtullong.o fmtumax.o zcatfd.o zmapfd.o winsize.o wcsdup.o \
+ fpurge.o zgetline.o mbscmp.o uconvert.o ufuncs.o casemod.o \
+ fdprintf.o input_avail.o ${LIBOBJS}
+
+SUPPORT = Makefile
+
+all: $(LIBRARY_NAME)
+
+$(LIBRARY_NAME): $(OBJECTS)
+ $(RM) $@
+ $(AR) $(ARFLAGS) $@ $(OBJECTS)
+ -test -n "$(RANLIB)" && $(RANLIB) $@
+
+force:
+
+# The rule for 'includes' is written funny so that the if statement
+# always returns TRUE unless there really was an error installing the
+# include files.
+install:
+
+clean:
+ $(RM) $(OBJECTS) $(LIBRARY_NAME)
+
+realclean distclean maintainer-clean: clean
+ $(RM) Makefile
+
+mostlyclean: clean
+
+# Dependencies
+
+${BUILD_DIR}/version.h: ${BUILD_DIR}/config.h ${BUILD_DIR}/Makefile Makefile
+ -( cd ${BUILD_DIR} && ${MAKE} ${MFLAGS} version.h )
+
+# rules for losing makes, like SunOS
+casemod.o: casemod.c
+clktck.o: clktck.c
+clock.o: clock.c
+eaccess.o: eaccess.c
+fdprintf.o: fdprintf.c
+fmtullong.o: fmtullong.c
+fmtulong.o: fmtulong.c
+fmtumax.o: fmtumax.c
+fpurge.o: fpurge.c
+getcwd.o: getcwd.c
+getenv.o: getenv.c
+inet_aton.o: inet_aton.c
+input_avail.o: input_avail.c
+itos.o: itos.c
+mailstat.o: mailstat.c
+makepath.o: makepath.c
+mbscmp.o: mbscmp.c
+memset.o: memset.c
+mktime.o: mktime.c
+netconn.o: netconn.c
+netopen.o: netopen.c
+oslib.o: oslib.c
+pathcanon.o: pathcanon.c
+pathphys.o: pathphys.c
+rename.o: rename.c
+setlinebuf.o: setlinebuf.c
+shquote.o: shquote.c
+shtty.o: shtty.c
+snprintf.o: snprintf.c
+spell.o: spell.c
+strcasecmp.o: strcasecmp.c
+strerror.o: strerror.c
+strftime.o: strftime.c
+strcasestr.o: strcasestr.c
+stringlist.o: stringlist.c
+stringvec.o: stringvec.c
+strnlen.o: strnlen.c
+strpbrk.o: strpbrk.c
+strtod.o: strtod.c
+strtoimax.o: strtoimax.c
+strtol.o: strtol.c
+strtoll.o: strtoll.c
+strtoul.o: strtoul.c
+strtoull.o: strtoull.c
+strtoumax.o: strtoumax.c
+strtrans.o: strtrans.c
+times.o: times.c
+timeval.o: timeval.c
+tmpfile.o: tmpfile.c
+uconvert.o: uconvert.c
+ufuncs.o: ufuncs.c
+vprint.o: vprint.c
+wcsdup.o: wcsdup.c
+mbschr.o: mbschr.c
+zcatfd.o: zcatfd.c
+zmapfd.o: zmapfd.c
+zgetline.o: zgetline.c
+zread.o: zread.c
+zwrite.o: zwrite.c
+
+# dependencies for c files that include other c files
+fmtullong.o: fmtulong.c
+fmtumax.o: fmtulong.c
+strtoll.o: strtol.c
+strtoul.o: strtol.c
+strtoull.o: strtol.c
+
+# all files in the library depend on config.h
+casemod.o: ${BUILD_DIR}/config.h
+clktck.o: ${BUILD_DIR}/config.h
+clock.o: ${BUILD_DIR}/config.h
+eaccess.o: ${BUILD_DIR}/config.h
+fdprintf.o: ${BUILD_DIR}/config.h
+fmtullong.o: ${BUILD_DIR}/config.h
+fmtulong.o: ${BUILD_DIR}/config.h
+fmtumax.o: ${BUILD_DIR}/config.h
+fpurge.o: ${BUILD_DIR}/config.h
+getcwd.o: ${BUILD_DIR}/config.h
+getenv.o: ${BUILD_DIR}/config.h
+inet_aton.o: ${BUILD_DIR}/config.h
+input_avail.o: ${BUILD_DIR}/config.h
+itos.o: ${BUILD_DIR}/config.h
+mailstat.o: ${BUILD_DIR}/config.h
+makepath.o: ${BUILD_DIR}/config.h
+mbscmp.o: ${BUILD_DIR}/config.h
+memset.o: ${BUILD_DIR}/config.h
+mktime.o: ${BUILD_DIR}/config.h
+netconn.o: ${BUILD_DIR}/config.h
+netopen.o: ${BUILD_DIR}/config.h
+oslib.o: ${BUILD_DIR}/config.h
+pathcanon.o: ${BUILD_DIR}/config.h
+pathphys.o: ${BUILD_DIR}/config.h
+rename.o: ${BUILD_DIR}/config.h
+setlinebuf.o: ${BUILD_DIR}/config.h
+shquote.o: ${BUILD_DIR}/config.h
+shtty.o: ${BUILD_DIR}/config.h
+snprintf.o: ${BUILD_DIR}/config.h
+spell.o: ${BUILD_DIR}/config.h
+strcasecmp.o: ${BUILD_DIR}/config.h
+strerror.o: ${BUILD_DIR}/config.h
+strftime.o: ${BUILD_DIR}/config.h
+strcasestr.o: ${BUILD_DIR}/config.h
+stringlist.o: ${BUILD_DIR}/config.h
+stringvec.o: ${BUILD_DIR}/config.h
+strnlen.o: ${BUILD_DIR}/config.h
+strpbrk.o: ${BUILD_DIR}/config.h
+strtod.o: ${BUILD_DIR}/config.h
+strtoimax.o: ${BUILD_DIR}/config.h
+strtol.o: ${BUILD_DIR}/config.h
+strtoll.o: ${BUILD_DIR}/config.h
+strtoul.o: ${BUILD_DIR}/config.h
+strtoull.o: ${BUILD_DIR}/config.h
+strtoumax.o: ${BUILD_DIR}/config.h
+strtrans.o: ${BUILD_DIR}/config.h
+times.o: ${BUILD_DIR}/config.h
+timeval.o: ${BUILD_DIR}/config.h
+tmpfile.o: ${BUILD_DIR}/config.h
+uconvert.o: ${BUILD_DIR}/config.h
+ufuncs.o: ${BUILD_DIR}/config.h
+vprint.o: ${BUILD_DIR}/config.h
+wcsdup.o: ${BUILD_DIR}/config.h
+mbschr.o: ${BUILD_DIR}/config.h
+zcatfd.o: ${BUILD_DIR}/config.h
+zgetline.o: ${BUILD_DIR}/config.h
+zmapfd.o: ${BUILD_DIR}/config.h
+zread.o: ${BUILD_DIR}/config.h
+zwrite.o: ${BUILD_DIR}/config.h
+
+clktck.o: ${topdir}/bashtypes.h
+
+getcwd.o: ${topdir}/bashtypes.h ${topdir}/bashansi.h ${BASHINCDIR}/maxpath.h
+getcwd.o: ${BASHINCDIR}/posixstat.h ${BASHINCDIR}/posixdir.h
+getcwd.o: ${BASHINCDIR}/memalloc.h ${BASHINCDIR}/ansi_stdlib.h
+
+getenv.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+getenv.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
+getenv.o: ${topdir}/command.h ${BASHINCDIR}/stdc.h ${topdir}/error.h
+getenv.o: ${topdir}/general.h ${topdir}/bashtypes.h ${topdir}/variables.h ${topdir}/conftypes.h
+getenv.o: ${topdir}/array.h ${topdir}/hashlib.h ${topdir}/quit.h
+getenv.o: ${topdir}/unwind_prot.h ${topdir}/dispose_cmd.h
+getenv.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
+getenv.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h
+getenv.o: ${BUILD_DIR}/version.h
+
+inet_aton.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+inet_aton.o: ${BASHINCDIR}/stdc.h
+
+itos.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+itos.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
+itos.o: ${topdir}/command.h ${BASHINCDIR}/stdc.h ${topdir}/error.h
+itos.o: ${topdir}/general.h ${topdir}/bashtypes.h ${topdir}/variables.h ${topdir}/conftypes.h
+itos.o: ${topdir}/array.h ${topdir}/hashlib.h ${topdir}/quit.h
+itos.o: ${topdir}/unwind_prot.h ${topdir}/dispose_cmd.h
+itos.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
+itos.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h ${BUILD_DIR}/version.h
+
+makepath.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+makepath.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
+makepath.o: ${topdir}/command.h ${BASHINCDIR}/stdc.h ${topdir}/error.h
+makepath.o: ${topdir}/general.h ${topdir}/bashtypes.h ${topdir}/variables.h ${topdir}/conftypes.h
+makepath.o: ${topdir}/array.h ${topdir}/hashlib.h ${topdir}/quit.h
+makepath.o: ${topdir}/unwind_prot.h ${topdir}/dispose_cmd.h
+makepath.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
+makepath.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h ${BUILD_DIR}/version.h
+
+netconn.o: ${BASHINCDIR}/posixstat.h ${BASHINCDIR}/filecntl.h
+netconn.o: ${topdir}/bashtypes.h
+
+netopen.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h ${topdir}/xmalloc.h
+netopen.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
+netopen.o: ${topdir}/command.h ${BASHINCDIR}/stdc.h ${topdir}/error.h
+netopen.o: ${topdir}/general.h ${topdir}/bashtypes.h ${topdir}/variables.h ${topdir}/conftypes.h
+netopen.o: ${topdir}/array.h ${topdir}/hashlib.h ${topdir}/quit.h
+netopen.o: ${topdir}/unwind_prot.h ${topdir}/dispose_cmd.h
+netopen.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
+netopen.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h ${BUILD_DIR}/version.h
+netopen.o: ${topdir}/bashintl.h ${LIBINTL_H} $(BASHINCDIR)/gettext.h
+
+oslib.o: ${topdir}/bashtypes.h ${topdir}/bashansi.h ${BASHINCDIR}/maxpath.h
+oslib.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
+oslib.o: ${topdir}/command.h ${BASHINCDIR}/stdc.h ${topdir}/error.h
+oslib.o: ${topdir}/general.h ${topdir}/bashtypes.h ${topdir}/variables.h ${topdir}/conftypes.h
+oslib.o: ${topdir}/array.h ${topdir}/hashlib.h ${topdir}/quit.h
+oslib.o: ${topdir}/unwind_prot.h ${topdir}/dispose_cmd.h
+oslib.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
+oslib.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h ${BUILD_DIR}/version.h
+oslib.o: ${BASHINCDIR}/posixstat.h ${BASHINCDIR}/filecntl.h
+oslib.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
+
+pathcanon.o: ${topdir}/bashtypes.h ${topdir}/bashansi.h ${BASHINCDIR}/maxpath.h
+pathcanon.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
+pathcanon.o: ${topdir}/command.h ${BASHINCDIR}/stdc.h ${topdir}/error.h
+pathcanon.o: ${topdir}/general.h ${topdir}/bashtypes.h ${topdir}/variables.h ${topdir}/conftypes.h
+pathcanon.o: ${topdir}/array.h ${topdir}/hashlib.h ${topdir}/quit.h
+pathcanon.o: ${topdir}/unwind_prot.h ${topdir}/dispose_cmd.h
+pathcanon.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
+pathcanon.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h ${BUILD_DIR}/version.h
+pathcanon.o: ${BASHINCDIR}/posixstat.h ${BASHINCDIR}/filecntl.h
+pathcanon.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
+
+pathphys.o: ${topdir}/bashtypes.h ${topdir}/bashansi.h ${BASHINCDIR}/maxpath.h
+pathphys.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
+pathphys.o: ${topdir}/command.h ${BASHINCDIR}/stdc.h ${topdir}/error.h
+pathphys.o: ${topdir}/general.h ${topdir}/bashtypes.h ${topdir}/variables.h ${topdir}/conftypes.h
+pathphys.o: ${topdir}/array.h ${topdir}/hashlib.h ${topdir}/quit.h
+pathphys.o: ${topdir}/unwind_prot.h ${topdir}/dispose_cmd.h
+pathphys.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
+pathphys.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h ${BUILD_DIR}/version.h
+pathphys.o: ${BASHINCDIR}/posixstat.h ${BASHINCDIR}/filecntl.h
+pathphys.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
+
+rename.o: ${topdir}/bashtypes.h ${BASHINCDIR}/stdc.h
+rename.o: ${BASHINCDIR}/posixstat.h
+
+setlinebuf.o: ${topdir}/xmalloc.h ${topdir}/bashansi.h
+setlinebuf.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/stdc.h
+
+eaccess.o: ${topdir}/bashtypes.h
+eaccess.o: ${BASHINCDIR}/posixstat.h
+eaccess.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+eaccess.o: ${BASHINCDIR}/filecntl.h
+eaccess.o: ${BASHINCDIR}/stdc.h
+eaccess.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
+eaccess.o: ${topdir}/command.h ${BASHINCDIR}/stdc.h ${topdir}/error.h
+eaccess.o: ${topdir}/general.h ${topdir}/bashtypes.h ${topdir}/variables.h ${topdir}/conftypes.h
+eaccess.o: ${topdir}/array.h ${topdir}/hashlib.h ${topdir}/quit.h
+eaccess.o: ${topdir}/unwind_prot.h ${topdir}/dispose_cmd.h
+eaccess.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
+eaccess.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h ${BUILD_DIR}/version.h
+
+shquote.o: ${BASHINCDIR}/stdc.h ${topdir}/bashansi.h
+shquote.o: ${BASHINCDIR}/ansi_stdlib.h ${topdir}/xmalloc.h
+
+shtty.o: ${BASHINCDIR}/shtty.h
+shtty.o: ${BASHINCDIR}/stdc.h
+
+snprintf.o: ${BASHINCDIR}/stdc.h ${topdir}/bashansi.h ${topdir}/xmalloc.h
+snprintf.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
+snprintf.o: ${BASHINCDIR}/typemax.h
+
+spell.o: ${topdir}/bashtypes.h
+spell.o: ${BASHINCDIR}/posixstat.h ${BASHINCDIR}/posixdir.h
+spell.o: ${BASHINCDIR}/ansi_stdlib.h
+
+strcasecmp.o: ${BASHINCDIR}/stdc.h ${topdir}/bashansi.h
+strcasecmp.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
+
+strerror.o: ${topdir}/bashtypes.h
+strerror.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
+strerror.o: ${topdir}/command.h ${BASHINCDIR}/stdc.h ${topdir}/error.h
+strerror.o: ${topdir}/general.h ${topdir}/bashtypes.h ${topdir}/variables.h ${topdir}/conftypes.h
+strerror.o: ${topdir}/array.h ${topdir}/hashlib.h ${topdir}/quit.h
+strerror.o: ${topdir}/unwind_prot.h ${topdir}/dispose_cmd.h
+strerror.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
+strerror.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h ${BUILD_DIR}/version.h
+
+strcasestr.o: ${BASHINCDIR}/stdc.h ${topdir}/bashansi.h
+strcasestr.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
+
+stringlist.o: ${topdir}/bashansi.h
+stringlist.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
+stringlist.o: ${topdir}/command.h ${BASHINCDIR}/stdc.h ${topdir}/error.h
+stringlist.o: ${topdir}/general.h ${topdir}/bashtypes.h ${topdir}/variables.h ${topdir}/conftypes.h
+stringlist.o: ${topdir}/array.h ${topdir}/hashlib.h ${topdir}/quit.h
+stringlist.o: ${topdir}/unwind_prot.h ${topdir}/dispose_cmd.h
+stringlist.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
+stringlist.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h ${BUILD_DIR}/version.h
+
+stringvec.o: ${topdir}/bashansi.h ${BASHINCDIR}/chartypes.h
+stringvec.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
+stringvec.o: ${topdir}/command.h ${BASHINCDIR}/stdc.h ${topdir}/error.h
+stringvec.o: ${topdir}/general.h ${topdir}/bashtypes.h ${topdir}/variables.h ${topdir}/conftypes.h
+stringvec.o: ${topdir}/array.h ${topdir}/hashlib.h ${topdir}/quit.h
+stringvec.o: ${topdir}/unwind_prot.h ${topdir}/dispose_cmd.h
+stringvec.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
+stringvec.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h ${BUILD_DIR}/version.h
+
+strnlen.o: ${BASHINCDIR}/stdc.h
+
+strpbrk.o: ${BASHINCDIR}/stdc.h
+
+strtod.o: ${topdir}/bashansi.h
+strtod.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
+
+strtoimax.o: ${BASHINCDIR}/stdc.h
+
+strtol.o: ${topdir}/bashansi.h
+strtol.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
+strtol.o: ${BASHINCDIR}/typemax.h
+
+strtoll.o: ${topdir}/bashansi.h
+strtoll.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
+strtoll.o: ${BASHINCDIR}/typemax.h
+
+strtoul.o: ${topdir}/bashansi.h
+strtoul.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
+strtoul.o: ${BASHINCDIR}/typemax.h
+
+strtoull.o: ${topdir}/bashansi.h
+strtoull.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
+strtoull.o: ${BASHINCDIR}/typemax.h
+
+strtoumax.o: ${BASHINCDIR}/stdc.h
+
+strtrans.o: ${topdir}/bashansi.h
+strtrans.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/chartypes.h
+strtrans.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
+strtrans.o: ${topdir}/command.h ${BASHINCDIR}/stdc.h ${topdir}/error.h
+strtrans.o: ${topdir}/general.h ${topdir}/bashtypes.h ${topdir}/variables.h ${topdir}/conftypes.h
+strtrans.o: ${topdir}/array.h ${topdir}/hashlib.h ${topdir}/quit.h
+strtrans.o: ${topdir}/unwind_prot.h ${topdir}/dispose_cmd.h
+strtrans.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
+strtrans.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h ${BUILD_DIR}/version.h
+
+times.o: ${BASHINCDIR}/systimes.h
+times.o: ${BASHINCDIR}/posixtime.h
+
+timeval.o: ${BASHINCDIR}/posixtime.h
+
+tmpfile.o: ${topdir}/bashtypes.h
+tmpfile.o: ${BASHINCDIR}/posixstat.h
+tmpfile.o: ${BASHINCDIR}/filecntl.h
+
+uconvert.o: ${topdir}/bashtypes.h
+
+ufuncs.o: ${topdir}/bashtypes.h
+
+clock.o: ${BASHINCDIR}/posixtime.h
+
+mailstat.o: ${topdir}/bashansi.h
+mailstat.o: ${topdir}/bashtypes.h
+mailstat.o: ${BASHINCDIR}/ansi_stdlib.h
+mailstat.o: ${BASHINCDIR}/posixstat.h
+mailstat.o: ${BASHINCDIR}/posixdir.h
+mailstat.o: ${BASHINCDIR}/maxpath.h
+
+fmtulong.o: ${topdir}/bashansi.h
+fmtulong.o: ${BASHINCDIR}/ansi_stdlib.h
+fmtulong.o: ${BASHINCDIR}/chartypes.h
+fmtulong.o: ${BASHINCDIR}/stdc.h
+fmtulong.o: ${BASHINCDIR}/typemax.h
+fmtulong.o: ${topdir}/bashintl.h ${LIBINTL_H} ${BASHINCDIR}/gettext.h
+
+fmtullong.o: ${topdir}/bashansi.h
+fmtullong.o: ${BASHINCDIR}/ansi_stdlib.h
+fmtullong.o: ${BASHINCDIR}/chartypes.h
+fmtullong.o: ${BASHINCDIR}/stdc.h
+fmtullong.o: ${BASHINCDIR}/typemax.h
+fmtullong.o: ${topdir}/bashintl.h ${LIBINTL_H} ${BASHINCDIR}/gettext.h
+
+fmtumax.o: ${topdir}/bashansi.h
+fmtumax.o: ${BASHINCDIR}/ansi_stdlib.h
+fmtumax.o: ${BASHINCDIR}/chartypes.h
+fmtumax.o: ${BASHINCDIR}/stdc.h
+fmtumax.o: ${BASHINCDIR}/typemax.h
+fmtumax.o: ${topdir}/bashintl.h ${LIBINTL_H} ${BASHINCDIR}/gettext.h
+
+wcsdup.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+wcsdup.o: ${BASHINCDIR}/stdc.h
+wcsdup.o: ${topdir}/xmalloc.h
+
+mbschr.o: ${topdir}/bashansi.h
+mbschr.o: ${BASHINCDIR}/ansi_stdlib.h
+mbschr.o: ${BASHINCDIR}/shmbutil.h
+
+zgetline.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+zgetline.o: ${BASHINCDIR}/stdc.h
+zgetline.o: ${topdir}/xmalloc.h
+zgetline.o: ${topdir}/bashtypes.h
+
+mbscmp.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+mbscmp.o: ${BASHINCDIR}/stdc.h
+mbscmp.o: ${topdir}/xmalloc.h
+
+casemod.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+casemod.o: ${BASHINCDIR}/stdc.h
+casemod.o: ${topdir}/xmalloc.h
+casemod.o: ${topdir}/bashtypes.h
+casemod.o: ${BASHINCDIR}/shmbutil.h
+casemod.o: ${topdir}/bashintl.h ${LIBINTL_H} ${BASHINCDIR}/gettext.h
+
+fdprintf.o: ${BASHINCDIR}/stdc.h
+
+input_avail.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+input_avail.o: ${BASHINCDIR}/stdc.h
+input_avail.o: ${topdir}/xmalloc.h
--- /dev/null
+/* mbscasecmp - case-insensitive multibyte string comparison. */
+
+/* Copyright (C) 2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#if !defined (HAVE_MBSCASECMP) && defined (HANDLE_MULTIBYTE)
+
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+
+#include <wchar.h>
+#include <wctype.h>
+
+/* Compare MBS1 and MBS2 without regard to case. */
+int
+mbscasecmp (mbs1, mbs2)
+ const char *mbs1;
+ const char *mbs2;
+{
+ int len1, len2;
+ wchar_t c1, c2, l1, l2;
+
+ len1 = len2 = 0;
+ /* Reset multibyte characters to their initial state. */
+ (void) mblen ((char *) NULL, 0);
+
+ do
+ {
+ len1 = mbtowc (&c1, mbs1, MB_CUR_MAX);
+ len2 = mbtowc (&c2, mbs2, MB_CUR_MAX);
+
+ if (len1 == 0)
+ return len2 == 0 ? 0 : -1;
+ else if (len2 == 0)
+ return 1;
+ else if (len1 > 0 && len2 < 0)
+ return -1;
+ else if (len1 < 0 && len2 > 0)
+ return 1;
+ else if (len1 < 0 && len2 < 0)
+ {
+ len1 = strlen (mbs1);
+ len2 = strlen (mbs2);
+ return (len1 == len2 ? memcmp (mbs1, mbs2, len1)
+ : ((len1 < len2) ? (memcmp (mbs1, mbs2, len1) > 0 ? 1 : -1)
+ : (memcmp (mbs1, mbs2, len2) >= 0 ? 1 : -1)));
+ }
+
+ l1 = towlower (c1);
+ l2 = towlower (c2);
+
+ mbs1 += len1;
+ mbs2 += len2;
+ }
+ while (l1 == l2);
+
+ return l1 - l2;
+}
+
+#endif
--- /dev/null
+/* mbscasecmp - case-insensitive multibyte string comparison. */
+
+/* Copyright (C) 2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#if !defined (HAVE_MBSCASECMP) && defined (HANDLE_MULTIBYTE)
+
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+
+#include <wchar.h>
+#include <wctype.h>
+
+/* Compare MBS1 and MBS2. */
+int
+mbscasecmp (mbs1, mbs2)
+ const char *mbs1;
+ const char *mbs2;
+{
+ int len1, len2;
+ wchar_t c1, c2, l1, l2;
+
+ len1 = len2 = 0;
+ /* Reset multibyte characters to their initial state. */
+ (void) mblen ((char *) NULL, 0);
+
+ do
+ {
+ len1 = mbtowc (&c1, mbs1, MB_CUR_MAX);
+ len2 = mbtowc (&c2, mbs2, MB_CUR_MAX);
+
+ if (len1 == 0)
+ return len2 == 0 ? 0 : -1;
+ else if (len2 == 0)
+ return 1;
+ else if (len1 > 0 && len2 < 0)
+ return -1;
+ else if (len1 < 0 && len2 > 0)
+ return 1;
+ else if (len1 < 0 && len2 < 0)
+ {
+ len1 = strlen (mbs1);
+ len2 = strlen (mbs2);
+ return (len1 == len2 ? memcmp (mbs1, mbs2, len1)
+ : ((len1 < len2) ? (memcmp (mbs1, mbs2, len1) > 0 ? 1 : -1)
+ : (memcmp (mbs1, mbs2, len2) >= 0 ? 1 : -1)));
+ }
+
+ l1 = towlower (c1);
+ l2 = towlower (c2);
+
+ mbs1 += len1;
+ mbs2 += len2;
+ }
+ while (l1 == l2);
+
+ return l1 - l2;
+}
+
+#endif
--- /dev/null
+/* mbschr.c - strchr(3) that handles multibyte characters. */
+
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+
+#include "bashansi.h"
+#include "shmbutil.h"
+
+#undef mbschr
+
+/* In some locales, the non-first byte of some multibyte characters have
+ the same value as some ascii character. Faced with these strings, a
+ legacy strchr() might return the wrong value. */
+
+char *
+#if defined (PROTOTYPES)
+mbschr (const char *s, int c)
+#else
+mbschr (s, c)
+ const char *s;
+ int c;
+#endif
+{
+#if HANDLE_MULTIBYTE
+ char *pos;
+ mbstate_t state;
+ size_t strlength, mblength;
+
+ /* The locale encodings with said weird property are BIG5, BIG5-HKSCS,
+ GBK, GB18030, SHIFT_JIS, and JOHAB. They exhibit the problem only
+ when c >= 0x30. We can therefore use the faster bytewise search if
+ c <= 0x30. */
+ if ((unsigned char)c >= '0' && MB_CUR_MAX > 1)
+ {
+ pos = (char *)s;
+ memset (&state, '\0', sizeof(mbstate_t));
+ strlength = strlen (s);
+
+ while (strlength > 0)
+ {
+ mblength = mbrlen (pos, strlength, &state);
+ if (mblength == (size_t)-2 || mblength == (size_t)-1 || mblength == (size_t)0)
+ mblength = 1;
+
+ if (mblength == 1 && c == (unsigned char)*pos)
+ return pos;
+
+ strlength -= mblength;
+ pos += mblength;
+ }
+
+ return ((char *)NULL);
+ }
+ else
+#endif
+ return (strchr (s, c));
+}
--- /dev/null
+/* xstrchr.c - strchr(3) that handles multibyte characters. */
+
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+
+#include "bashansi.h"
+#include "shmbutil.h"
+
+#undef xstrchr
+
+/* In some locales, the non-first byte of some multibyte characters have
+ the same value as some ascii character. Faced with these strings, a
+ legacy strchr() might return the wrong value. */
+
+char *
+#if defined (PROTOTYPES)
+xstrchr (const char *s, int c)
+#else
+xstrchr (s, c)
+ const char *s;
+ int c;
+#endif
+{
+#if HANDLE_MULTIBYTE
+ char *pos;
+ mbstate_t state;
+ size_t strlength, mblength;
+
+ /* The locale encodings with said weird property are BIG5, BIG5-HKSCS,
+ GBK, GB18030, SHIFT_JIS, and JOHAB. They exhibit the problem only
+ when c >= 0x30. We can therefore use the faster bytewise search if
+ c <= 0x30. */
+ if ((unsigned char)c >= '0' && MB_CUR_MAX > 1)
+ {
+ pos = (char *)s;
+ memset (&state, '\0', sizeof(mbstate_t));
+ strlength = strlen (s);
+
+ while (strlength > 0)
+ {
+ mblength = mbrlen (pos, strlength, &state);
+ if (mblength == (size_t)-2 || mblength == (size_t)-1 || mblength == (size_t)0)
+ mblength = 1;
+
+ if (mblength == 1 && c == (unsigned char)*pos)
+ return pos;
+
+ strlength -= mblength;
+ pos += mblength;
+ }
+
+ return ((char *)NULL);
+ }
+ else
+#endif
+ return (strchr (s, c));
+}
#include <stdlib.h>
#include <stddef.h>
+#include <string.h>
/* Compare MBS1 and MBS2. */
int
do
{
- len1 = mbtowc ((wchar_t *) &c1, mbs1, MB_CUR_MAX);
- len2 = mbtowc ((wchar_t *) &c2, mbs2, MB_CUR_MAX);
+ len1 = mbtowc (&c1, mbs1, MB_CUR_MAX);
+ len2 = mbtowc (&c2, mbs2, MB_CUR_MAX);
if (len1 == 0)
return len2 == 0 ? 0 : -1;
- if (len2 == 0)
+ else if (len2 == 0)
return 1;
- if (len1 < 0 || len2 < 0)
- /* FIXME: an illegal character appears. What to do? */
- return c1 - c2;
+ else if (len1 > 0 && len2 < 0)
+ return -1;
+ else if (len1 < 0 && len2 > 0)
+ return 1;
+ else if (len1 < 0 && len2 < 0)
+ {
+ len1 = strlen (mbs1);
+ len2 = strlen (mbs2);
+ return (len1 == len2 ? memcmp (mbs1, mbs2, len1)
+ : ((len1 < len2) ? (memcmp (mbs1, mbs2, len1) > 0 ? 1 : -1)
+ : (memcmp (mbs1, mbs2, len2) >= 0 ? 1 : -1)));
+ }
mbs1 += len1;
mbs2 += len2;
--- /dev/null
+/* mbscmp - multibyte string comparison. */
+
+/* Copyright (C) 1995 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#if !defined (HAVE_MBSCMP) && defined (HANDLE_MULTIBYTE)
+
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+
+/* Compare MBS1 and MBS2. */
+int
+mbscmp (mbs1, mbs2)
+ const char *mbs1;
+ const char *mbs2;
+{
+ int len1, len2;
+ wchar_t c1, c2;
+
+ len1 = len2 = 0;
+ /* Reset multibyte characters to their initial state. */
+ (void) mblen ((char *) NULL, 0);
+
+ do
+ {
+ len1 = mbtowc ((wchar_t *) &c1, mbs1, MB_CUR_MAX);
+ len2 = mbtowc ((wchar_t *) &c2, mbs2, MB_CUR_MAX);
+
+ if (len1 == 0)
+ return len2 == 0 ? 0 : -1;
+ else if (len2 == 0)
+ return 1;
+ else if (len1 > 0 && len2 < 0)
+ return -1;
+ else if (len1 < 0 && len2 > 0)
+ return 1;
+ else if (len1 < 0 && len2 < 0)
+ {
+ len1 = strlen (mbs1);
+ len2 = strlen (mbs2);
+ return (len1 == len2 ? memcmp (mbs1, mbs2, len1)
+ : ((len1 < len2) ? (memcmp (mbs1, mbs2, len1) > 0 ? 1 : -1)
+ : (memcmp (mbs1, mbs2, len2) >= 0 ? 1 : -1)));
+ }
+
+ mbs1 += len1;
+ mbs2 += len2;
+ }
+ while (c1 == c2);
+
+ return c1 - c2;
+}
+
+#endif
--- /dev/null
+/* strcasestr.c - Find if one string appears as a substring of another string,
+ without regard to case. */
+
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#include <bashansi.h>
+#include <chartypes.h>
+
+#include <stdc.h>
+
+/* Determine if s2 occurs in s1. If so, return a pointer to the
+ match in s1. The compare is case insensitive. This is a
+ case-insensitive strstr(3). */
+char *
+strcasestr (s1, s2)
+ const char *s1;
+ const char *s2;
+{
+ register int i, l, len, c;
+
+ c = TOLOWER ((unsigned char)s2[0]);
+ len = strlen (s1);
+ l = strlen (s2);
+ for (i = 0; (len - i) >= l; i++)
+ if ((TOLOWER ((unsigned char)s1[i]) == c) && (strncasecmp (s1 + i, s2, l) == 0))
+ return ((char *)s1 + i);
+ return ((char *)0);
+}
--- /dev/null
+/* strindex.c - Find if one string appears as a substring of another string,
+ without regard to case. */
+
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#include <bashansi.h>
+#include <chartypes.h>
+
+#include <stdc.h>
+
+/* Determine if s2 occurs in s1. If so, return a pointer to the
+ match in s1. The compare is case insensitive. This is a
+ case-insensitive strstr(3). */
+char *
+strcasestr (s1, s2)
+ const char *s1;
+ const char *s2;
+{
+ register int i, l, len, c;
+
+ c = TOLOWER ((unsigned char)s2[0]);
+ len = strlen (s1);
+ l = strlen (s2);
+ for (i = 0; (len - i) >= l; i++)
+ if ((TOLOWER ((unsigned char)s1[i]) == c) && (strncasecmp (s1 + i, s2, l) == 0))
+ return ((char *)s1 + i);
+ return ((char *)0);
+}
/* strtoimax - convert string representation of a number into an intmax_t value. */
-/* Copyright 1999-2005 Free Software Foundation, Inc.
+/* Copyright 1999-2009 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
# include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+# include <stdint.h>
+#endif
+
#if HAVE_STDLIB_H
# include <stdlib.h>
#endif
--- /dev/null
+/* strtoimax - convert string representation of a number into an intmax_t value. */
+
+/* Copyright 1999-2005 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* Written by Paul Eggert. Modified by Chet Ramey for Bash. */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+
+#if HAVE_STDINT_H
+# include <stdint.h>
+#endif
+
+#if HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+
+#include <stdc.h>
+
+/* Verify a requirement at compile-time (unlike assert, which is runtime). */
+#define verify(name, assertion) struct name { char a[(assertion) ? 1 : -1]; }
+
+#ifndef HAVE_DECL_STRTOL
+"this configure-time declaration test was not run"
+#endif
+#if !HAVE_DECL_STRTOL
+extern long strtol __P((const char *, char **, int));
+#endif
+
+#ifndef HAVE_DECL_STRTOLL
+"this configure-time declaration test was not run"
+#endif
+#if !HAVE_DECL_STRTOLL && HAVE_LONG_LONG
+extern long long strtoll __P((const char *, char **, int));
+#endif
+
+#ifdef strtoimax
+#undef strtoimax
+#endif
+
+intmax_t
+strtoimax (ptr, endptr, base)
+ const char *ptr;
+ char **endptr;
+ int base;
+{
+#if HAVE_LONG_LONG
+ verify(size_is_that_of_long_or_long_long,
+ (sizeof (intmax_t) == sizeof (long) ||
+ sizeof (intmax_t) == sizeof (long long)));
+
+ if (sizeof (intmax_t) != sizeof (long))
+ return (strtoll (ptr, endptr, base));
+#else
+ verify (size_is_that_of_long, sizeof (intmax_t) == sizeof (long));
+#endif
+
+ return (strtol (ptr, endptr, base));
+}
+
+#ifdef TESTING
+# include <stdio.h>
+int
+main ()
+{
+ char *p, *endptr;
+ intmax_t x;
+#if HAVE_LONG_LONG
+ long long y;
+#endif
+ long z;
+
+ printf ("sizeof intmax_t: %d\n", sizeof (intmax_t));
+
+#if HAVE_LONG_LONG
+ printf ("sizeof long long: %d\n", sizeof (long long));
+#endif
+ printf ("sizeof long: %d\n", sizeof (long));
+
+ x = strtoimax("42", &endptr, 10);
+#if HAVE_LONG_LONG
+ y = strtoll("42", &endptr, 10);
+#else
+ y = -1;
+#endif
+ z = strtol("42", &endptr, 10);
+
+ printf ("%lld %lld %ld\n", x, y, z);
+
+ exit (0);
+}
+#endif
/* strtoumax - convert string representation of a number into an uintmax_t value. */
-/* Copyright 1999-2005 Free Software Foundation, Inc.
+/* Copyright 1999-2009 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
You should have received a copy of the GNU General Public License
along with Bash. If not, see <http://www.gnu.org/licenses/>.
*/
+
/* Written by Paul Eggert. Modified by Chet Ramey for Bash. */
#if HAVE_CONFIG_H
# include <inttypes.h>
#endif
+#if HAVE_STDINT_H
+# include <stdint.h>
+#endif
+
#if HAVE_STDLIB_H
# include <stdlib.h>
#endif
--- /dev/null
+/* strtoumax - convert string representation of a number into an uintmax_t value. */
+
+/* Copyright 1999-2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+/* Written by Paul Eggert. Modified by Chet Ramey for Bash. */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+
+#if HAVE_STDINT_H
+# include <stdint.h>
+#endif
+
+#if HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+
+#include <stdc.h>
+
+/* Verify a requirement at compile-time (unlike assert, which is runtime). */
+#define verify(name, assertion) struct name { char a[(assertion) ? 1 : -1]; }
+
+#ifndef HAVE_DECL_STRTOUL
+"this configure-time declaration test was not run"
+#endif
+#if !HAVE_DECL_STRTOUL
+extern unsigned long strtoul __P((const char *, char **, int));
+#endif
+
+#ifndef HAVE_DECL_STRTOULL
+"this configure-time declaration test was not run"
+#endif
+#if !HAVE_DECL_STRTOULL && HAVE_UNSIGNED_LONG_LONG
+extern unsigned long long strtoull __P((const char *, char **, int));
+#endif
+
+#ifdef strtoumax
+#undef strtoumax
+#endif
+
+uintmax_t
+strtoumax (ptr, endptr, base)
+ const char *ptr;
+ char **endptr;
+ int base;
+{
+#if HAVE_UNSIGNED_LONG_LONG
+ verify (size_is_that_of_unsigned_long_or_unsigned_long_long,
+ (sizeof (uintmax_t) == sizeof (unsigned long) ||
+ sizeof (uintmax_t) == sizeof (unsigned long long)));
+
+ if (sizeof (uintmax_t) != sizeof (unsigned long))
+ return (strtoull (ptr, endptr, base));
+#else
+ verify (size_is_that_of_unsigned_long, sizeof (uintmax_t) == sizeof (unsigned long));
+#endif
+
+ return (strtoul (ptr, endptr, base));
+}
+
+#ifdef TESTING
+# include <stdio.h>
+int
+main ()
+{
+ char *p, *endptr;
+ uintmax_t x;
+#if HAVE_UNSIGNED_LONG_LONG
+ unsigned long long y;
+#endif
+ unsigned long z;
+
+ printf ("sizeof uintmax_t: %d\n", sizeof (uintmax_t));
+
+#if HAVE_UNSIGNED_LONG_LONG
+ printf ("sizeof unsigned long long: %d\n", sizeof (unsigned long long));
+#endif
+ printf ("sizeof unsigned long: %d\n", sizeof (unsigned long));
+
+ x = strtoumax("42", &endptr, 10);
+#if HAVE_LONG_LONG
+ y = strtoull("42", &endptr, 10);
+#else
+ y = 0;
+#endif
+ z = strtoul("42", &endptr, 10);
+
+ printf ("%llu %llu %lu\n", x, y, z);
+
+ exit (0);
+}
+#endif
--- /dev/null
+/* xstrchr.c - strchr(3) that handles multibyte characters. */
+
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+
+#include "bashansi.h"
+#include "shmbutil.h"
+
+#undef xstrchr
+
+/* In some locales, the non-first byte of some multibyte characters have
+ the same value as some ascii character. Faced with these strings, a
+ legacy strchr() might return the wrong value. */
+
+char *
+#if defined (PROTOTYPES)
+xstrchr (const char *s, int c)
+#else
+xstrchr (s, c)
+ const char *s;
+ int c;
+#endif
+{
+#if HANDLE_MULTIBYTE
+ char *pos;
+ mbstate_t state;
+ size_t strlength, mblength;
+
+ /* The locale encodings with said weird property are BIG5, BIG5-HKSCS,
+ GBK, GB18030, SHIFT_JIS, and JOHAB. They exhibit the problem only
+ when c >= 0x30. We can therefore use the faster bytewise search if
+ c <= 0x30. */
+ if ((unsigned char)c >= '0' && MB_CUR_MAX > 1)
+ {
+ pos = (char *)s;
+ memset (&state, '\0', sizeof(mbstate_t));
+ strlength = strlen (s);
+
+ while (strlength > 0)
+ {
+ mblength = mbrlen (pos, strlength, &state);
+ if (mblength == (size_t)-2 || mblength == (size_t)-1 || mblength == (size_t)0)
+ mblength = 1;
+
+ if (c == (unsigned char)*pos)
+ return pos;
+
+ strlength -= mblength;
+ pos += mblength;
+ }
+
+ return ((char *)NULL);
+ }
+ else
+#endif
+ return (strchr (s, c));
+}
set_opts = savestring (shell_builtins[i].short_doc);
if (set_opts)
{
- s = xstrchr (set_opts, '[');
+ s = strchr (set_opts, '[');
if (s == 0)
s = set_opts;
while (*++s == '-')
;
- t = xstrchr (s, ']');
+ t = strchr (s, ']');
if (t)
*t = '\0';
fprintf (fp, _("\t-%s or -o option\n"), s);
--- /dev/null
+/* shell.c -- GNU's idea of the POSIX shell specification. */
+
+/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ Birthdate:
+ Sunday, January 10th, 1988.
+ Initial author: Brian Fox
+*/
+#define INSTALL_DEBUG_MODE
+
+#include "config.h"
+
+#include "bashtypes.h"
+#if !defined (_MINIX) && defined (HAVE_SYS_FILE_H)
+# include <sys/file.h>
+#endif
+#include "posixstat.h"
+#include "posixtime.h"
+#include "bashansi.h"
+#include <stdio.h>
+#include <signal.h>
+#include <errno.h>
+#include "filecntl.h"
+#include <pwd.h>
+
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
+#include "bashintl.h"
+
+#define NEED_SH_SETLINEBUF_DECL /* used in externs.h */
+
+#include "shell.h"
+#include "flags.h"
+#include "trap.h"
+#include "mailcheck.h"
+#include "builtins.h"
+#include "builtins/common.h"
+
+#if defined (JOB_CONTROL)
+#include "jobs.h"
+#endif /* JOB_CONTROL */
+
+#include "input.h"
+#include "execute_cmd.h"
+#include "findcmd.h"
+
+#if defined (USING_BASH_MALLOC) && defined (DEBUG) && !defined (DISABLE_MALLOC_WRAPPERS)
+# include <malloc/shmalloc.h>
+#endif
+
+#if defined (HISTORY)
+# include "bashhist.h"
+# include <readline/history.h>
+#endif
+
+#if defined (READLINE)
+# include "bashline.h"
+#endif
+
+#include <tilde/tilde.h>
+#include <glob/strmatch.h>
+
+#if defined (__OPENNT)
+# include <opennt/opennt.h>
+#endif
+
+#if !defined (HAVE_GETPW_DECLS)
+extern struct passwd *getpwuid ();
+#endif /* !HAVE_GETPW_DECLS */
+
+#if !defined (errno)
+extern int errno;
+#endif
+
+#if defined (NO_MAIN_ENV_ARG)
+extern char **environ; /* used if no third argument to main() */
+#endif
+
+extern char *dist_version, *release_status;
+extern int patch_level, build_version;
+extern int shell_level;
+extern int subshell_environment;
+extern int last_command_exit_value;
+extern int line_number;
+extern int expand_aliases;
+extern int array_needs_making;
+extern int gnu_error_format;
+extern char *primary_prompt, *secondary_prompt;
+extern char *this_command_name;
+
+/* Non-zero means that this shell has already been run; i.e. you should
+ call shell_reinitialize () if you need to start afresh. */
+int shell_initialized = 0;
+
+COMMAND *global_command = (COMMAND *)NULL;
+
+/* Information about the current user. */
+struct user_info current_user =
+{
+ (uid_t)-1, (uid_t)-1, (gid_t)-1, (gid_t)-1,
+ (char *)NULL, (char *)NULL, (char *)NULL
+};
+
+/* The current host's name. */
+char *current_host_name = (char *)NULL;
+
+/* Non-zero means that this shell is a login shell.
+ Specifically:
+ 0 = not login shell.
+ 1 = login shell from getty (or equivalent fake out)
+ -1 = login shell from "--login" (or -l) flag.
+ -2 = both from getty, and from flag.
+ */
+int login_shell = 0;
+
+/* Non-zero means that at this moment, the shell is interactive. In
+ general, this means that the shell is at this moment reading input
+ from the keyboard. */
+int interactive = 0;
+
+/* Non-zero means that the shell was started as an interactive shell. */
+int interactive_shell = 0;
+
+/* Non-zero means to send a SIGHUP to all jobs when an interactive login
+ shell exits. */
+int hup_on_exit = 0;
+
+/* Non-zero means to list status of running and stopped jobs at shell exit */
+int check_jobs_at_exit = 0;
+
+/* Non-zero means to change to a directory name supplied as a command name */
+int autocd = 0;
+
+/* Tells what state the shell was in when it started:
+ 0 = non-interactive shell script
+ 1 = interactive
+ 2 = -c command
+ 3 = wordexp evaluation
+ This is a superset of the information provided by interactive_shell.
+*/
+int startup_state = 0;
+
+/* Special debugging helper. */
+int debugging_login_shell = 0;
+
+/* The environment that the shell passes to other commands. */
+char **shell_environment;
+
+/* Non-zero when we are executing a top-level command. */
+int executing = 0;
+
+/* The number of commands executed so far. */
+int current_command_number = 1;
+
+/* Non-zero is the recursion depth for commands. */
+int indirection_level = 0;
+
+/* The name of this shell, as taken from argv[0]. */
+char *shell_name = (char *)NULL;
+
+/* time in seconds when the shell was started */
+time_t shell_start_time;
+
+/* Are we running in an emacs shell window? */
+int running_under_emacs;
+
+/* Do we have /dev/fd? */
+#ifdef HAVE_DEV_FD
+int have_devfd = HAVE_DEV_FD;
+#else
+int have_devfd = 0;
+#endif
+
+/* The name of the .(shell)rc file. */
+static char *bashrc_file = "~/.bashrc";
+
+/* Non-zero means to act more like the Bourne shell on startup. */
+static int act_like_sh;
+
+/* Non-zero if this shell is being run by `su'. */
+static int su_shell;
+
+/* Non-zero if we have already expanded and sourced $ENV. */
+static int sourced_env;
+
+/* Is this shell running setuid? */
+static int running_setuid;
+
+/* Values for the long-winded argument names. */
+static int debugging; /* Do debugging things. */
+static int no_rc; /* Don't execute ~/.bashrc */
+static int no_profile; /* Don't execute .profile */
+static int do_version; /* Display interesting version info. */
+static int make_login_shell; /* Make this shell be a `-bash' shell. */
+static int want_initial_help; /* --help option */
+
+int debugging_mode = 0; /* In debugging mode with --debugger */
+int no_line_editing = 0; /* Don't do fancy line editing. */
+int dump_translatable_strings; /* Dump strings in $"...", don't execute. */
+int dump_po_strings; /* Dump strings in $"..." in po format */
+int wordexp_only = 0; /* Do word expansion only */
+int protected_mode = 0; /* No command substitution with --wordexp */
+
+#if defined (STRICT_POSIX)
+int posixly_correct = 1; /* Non-zero means posix.2 superset. */
+#else
+int posixly_correct = 0; /* Non-zero means posix.2 superset. */
+#endif
+
+
+/* Some long-winded argument names. These are obviously new. */
+#define Int 1
+#define Charp 2
+static const struct {
+ const char *name;
+ int type;
+ int *int_value;
+ char **char_value;
+} long_args[] = {
+ { "debug", Int, &debugging, (char **)0x0 },
+#if defined (DEBUGGER)
+ { "debugger", Int, &debugging_mode, (char **)0x0 },
+#endif
+ { "dump-po-strings", Int, &dump_po_strings, (char **)0x0 },
+ { "dump-strings", Int, &dump_translatable_strings, (char **)0x0 },
+ { "help", Int, &want_initial_help, (char **)0x0 },
+ { "init-file", Charp, (int *)0x0, &bashrc_file },
+ { "login", Int, &make_login_shell, (char **)0x0 },
+ { "noediting", Int, &no_line_editing, (char **)0x0 },
+ { "noprofile", Int, &no_profile, (char **)0x0 },
+ { "norc", Int, &no_rc, (char **)0x0 },
+ { "posix", Int, &posixly_correct, (char **)0x0 },
+ { "protected", Int, &protected_mode, (char **)0x0 },
+ { "rcfile", Charp, (int *)0x0, &bashrc_file },
+#if defined (RESTRICTED_SHELL)
+ { "restricted", Int, &restricted, (char **)0x0 },
+#endif
+ { "verbose", Int, &echo_input_at_read, (char **)0x0 },
+ { "version", Int, &do_version, (char **)0x0 },
+ { "wordexp", Int, &wordexp_only, (char **)0x0 },
+ { (char *)0x0, Int, (int *)0x0, (char **)0x0 }
+};
+
+/* These are extern so execute_simple_command can set them, and then
+ longjmp back to main to execute a shell script, instead of calling
+ main () again and resulting in indefinite, possibly fatal, stack
+ growth. */
+procenv_t subshell_top_level;
+int subshell_argc;
+char **subshell_argv;
+char **subshell_envp;
+
+#if defined (BUFFERED_INPUT)
+/* The file descriptor from which the shell is reading input. */
+int default_buffered_input = -1;
+#endif
+
+/* The following two variables are not static so they can show up in $-. */
+int read_from_stdin; /* -s flag supplied */
+int want_pending_command; /* -c flag supplied */
+
+/* This variable is not static so it can be bound to $BASH_EXECUTION_STRING */
+char *command_execution_string; /* argument to -c option */
+
+int malloc_trace_at_exit = 0;
+
+static int shell_reinitialized = 0;
+
+static FILE *default_input;
+
+static STRING_INT_ALIST *shopt_alist;
+static int shopt_ind = 0, shopt_len = 0;
+
+static int parse_long_options __P((char **, int, int));
+static int parse_shell_options __P((char **, int, int));
+static int bind_args __P((char **, int, int, int));
+
+static void start_debugger __P((void));
+
+static void add_shopt_to_alist __P((char *, int));
+static void run_shopt_alist __P((void));
+
+static void execute_env_file __P((char *));
+static void run_startup_files __P((void));
+static int open_shell_script __P((char *));
+static void set_bash_input __P((void));
+static int run_one_command __P((char *));
+static int run_wordexp __P((char *));
+
+static int uidget __P((void));
+
+static void init_interactive __P((void));
+static void init_noninteractive __P((void));
+static void init_interactive_script __P((void));
+
+static void set_shell_name __P((char *));
+static void shell_initialize __P((void));
+static void shell_reinitialize __P((void));
+
+static void show_shell_usage __P((FILE *, int));
+
+#ifdef __CYGWIN__
+static void
+_cygwin32_check_tmp ()
+{
+ struct stat sb;
+
+ if (stat ("/tmp", &sb) < 0)
+ internal_warning (_("could not find /tmp, please create!"));
+ else
+ {
+ if (S_ISDIR (sb.st_mode) == 0)
+ internal_warning (_("/tmp must be a valid directory name"));
+ }
+}
+#endif /* __CYGWIN__ */
+
+#if defined (NO_MAIN_ENV_ARG)
+/* systems without third argument to main() */
+int
+main (argc, argv)
+ int argc;
+ char **argv;
+#else /* !NO_MAIN_ENV_ARG */
+int
+main (argc, argv, env)
+ int argc;
+ char **argv, **env;
+#endif /* !NO_MAIN_ENV_ARG */
+{
+ register int i;
+ int code, old_errexit_flag;
+#if defined (RESTRICTED_SHELL)
+ int saverst;
+#endif
+ volatile int locally_skip_execution;
+ volatile int arg_index, top_level_arg_index;
+#ifdef __OPENNT
+ char **env;
+
+ env = environ;
+#endif /* __OPENNT */
+
+ USE_VAR(argc);
+ USE_VAR(argv);
+ USE_VAR(env);
+ USE_VAR(code);
+ USE_VAR(old_errexit_flag);
+#if defined (RESTRICTED_SHELL)
+ USE_VAR(saverst);
+#endif
+
+ /* Catch early SIGINTs. */
+ code = setjmp (top_level);
+ if (code)
+ exit (2);
+
+#if defined (USING_BASH_MALLOC) && defined (DEBUG) && !defined (DISABLE_MALLOC_WRAPPERS)
+# if 1
+ malloc_set_register (1);
+# endif
+#endif
+
+ check_dev_tty ();
+
+#ifdef __CYGWIN__
+ _cygwin32_check_tmp ();
+#endif /* __CYGWIN__ */
+
+ /* Wait forever if we are debugging a login shell. */
+ while (debugging_login_shell) sleep (3);
+
+ set_default_locale ();
+
+ running_setuid = uidget ();
+
+ if (getenv ("POSIXLY_CORRECT") || getenv ("POSIX_PEDANTIC"))
+ posixly_correct = 1;
+
+#if defined (USE_GNU_MALLOC_LIBRARY)
+ mcheck (programming_error, (void (*) ())0);
+#endif /* USE_GNU_MALLOC_LIBRARY */
+
+ if (setjmp (subshell_top_level))
+ {
+ argc = subshell_argc;
+ argv = subshell_argv;
+ env = subshell_envp;
+ sourced_env = 0;
+ }
+
+ shell_reinitialized = 0;
+
+ /* Initialize `local' variables for all `invocations' of main (). */
+ arg_index = 1;
+ if (arg_index > argc)
+ arg_index = argc;
+ command_execution_string = (char *)NULL;
+ want_pending_command = locally_skip_execution = read_from_stdin = 0;
+ default_input = stdin;
+#if defined (BUFFERED_INPUT)
+ default_buffered_input = -1;
+#endif
+
+ /* Fix for the `infinite process creation' bug when running shell scripts
+ from startup files on System V. */
+ login_shell = make_login_shell = 0;
+
+ /* If this shell has already been run, then reinitialize it to a
+ vanilla state. */
+ if (shell_initialized || shell_name)
+ {
+ /* Make sure that we do not infinitely recurse as a login shell. */
+ if (*shell_name == '-')
+ shell_name++;
+
+ shell_reinitialize ();
+ if (setjmp (top_level))
+ exit (2);
+ }
+
+ shell_environment = env;
+ set_shell_name (argv[0]);
+ shell_start_time = NOW; /* NOW now defined in general.h */
+
+ /* Parse argument flags from the input line. */
+
+ /* Find full word arguments first. */
+ arg_index = parse_long_options (argv, arg_index, argc);
+
+ if (want_initial_help)
+ {
+ show_shell_usage (stdout, 1);
+ exit (EXECUTION_SUCCESS);
+ }
+
+ if (do_version)
+ {
+ show_shell_version (1);
+ exit (EXECUTION_SUCCESS);
+ }
+
+ /* All done with full word options; do standard shell option parsing.*/
+ this_command_name = shell_name; /* for error reporting */
+ arg_index = parse_shell_options (argv, arg_index, argc);
+
+ /* If user supplied the "--login" (or -l) flag, then set and invert
+ LOGIN_SHELL. */
+ if (make_login_shell)
+ {
+ login_shell++;
+ login_shell = -login_shell;
+ }
+
+ set_login_shell (login_shell != 0);
+
+ if (dump_po_strings)
+ dump_translatable_strings = 1;
+
+ if (dump_translatable_strings)
+ read_but_dont_execute = 1;
+
+ if (running_setuid && privileged_mode == 0)
+ disable_priv_mode ();
+
+ /* Need to get the argument to a -c option processed in the
+ above loop. The next arg is a command to execute, and the
+ following args are $0...$n respectively. */
+ if (want_pending_command)
+ {
+ command_execution_string = argv[arg_index];
+ if (command_execution_string == 0)
+ {
+ report_error (_("%s: option requires an argument"), "-c");
+ exit (EX_BADUSAGE);
+ }
+ arg_index++;
+ }
+ this_command_name = (char *)NULL;
+
+ cmd_init(); /* initialize the command object caches */
+
+ /* First, let the outside world know about our interactive status.
+ A shell is interactive if the `-i' flag was given, or if all of
+ the following conditions are met:
+ no -c command
+ no arguments remaining or the -s flag given
+ standard input is a terminal
+ standard error is a terminal
+ Refer to Posix.2, the description of the `sh' utility. */
+
+ if (forced_interactive || /* -i flag */
+ (!command_execution_string && /* No -c command and ... */
+ wordexp_only == 0 && /* No --wordexp and ... */
+ ((arg_index == argc) || /* no remaining args or... */
+ read_from_stdin) && /* -s flag with args, and */
+ isatty (fileno (stdin)) && /* Input is a terminal and */
+ isatty (fileno (stderr)))) /* error output is a terminal. */
+ init_interactive ();
+ else
+ init_noninteractive ();
+
+#define CLOSE_FDS_AT_LOGIN
+#if defined (CLOSE_FDS_AT_LOGIN)
+ /*
+ * Some systems have the bad habit of starting login shells with lots of open
+ * file descriptors. For instance, most systems that have picked up the
+ * pre-4.0 Sun YP code leave a file descriptor open each time you call one
+ * of the getpw* functions, and it's set to be open across execs. That
+ * means one for login, one for xterm, one for shelltool, etc.
+ */
+ if (login_shell && interactive_shell)
+ {
+ for (i = 3; i < 20; i++)
+ close (i);
+ }
+#endif /* CLOSE_FDS_AT_LOGIN */
+
+ /* If we're in a strict Posix.2 mode, turn on interactive comments,
+ alias expansion in non-interactive shells, and other Posix.2 things. */
+ if (posixly_correct)
+ {
+ bind_variable ("POSIXLY_CORRECT", "y", 0);
+ sv_strict_posix ("POSIXLY_CORRECT");
+ }
+
+ /* Now we run the shopt_alist and process the options. */
+ if (shopt_alist)
+ run_shopt_alist ();
+
+ /* From here on in, the shell must be a normal functioning shell.
+ Variables from the environment are expected to be set, etc. */
+ shell_initialize ();
+
+ set_default_lang ();
+ set_default_locale_vars ();
+
+ /*
+ * M-x term -> TERM=eterm EMACS=22.1 (term:0.96) (eterm)
+ * M-x shell -> TERM=dumb EMACS=t (no line editing)
+ * M-x terminal -> TERM=emacs-em7955 EMACS= (line editing)
+ */
+ if (interactive_shell)
+ {
+ char *term, *emacs;
+
+ term = get_string_value ("TERM");
+ emacs = get_string_value ("EMACS");
+
+ /* Not sure any emacs terminal emulator sets TERM=emacs any more */
+ no_line_editing |= term && (STREQ (term, "emacs"));
+ no_line_editing |= emacs && emacs[0] == 't' && emacs[1] == '\0' && STREQ (term, "dumb");
+
+ /* running_under_emacs == 2 for `eterm' */
+ running_under_emacs = (emacs != 0) || (term && STREQN (term, "emacs", 5));
+ running_under_emacs += term && STREQN (term, "eterm", 5) && strstr (emacs, "term");
+
+ if (running_under_emacs)
+ gnu_error_format = 1;
+ }
+
+ top_level_arg_index = arg_index;
+ old_errexit_flag = exit_immediately_on_error;
+
+ /* Give this shell a place to longjmp to before executing the
+ startup files. This allows users to press C-c to abort the
+ lengthy startup. */
+ code = setjmp (top_level);
+ if (code)
+ {
+ if (code == EXITPROG || code == ERREXIT)
+ exit_shell (last_command_exit_value);
+ else
+ {
+#if defined (JOB_CONTROL)
+ /* Reset job control, since run_startup_files turned it off. */
+ set_job_control (interactive_shell);
+#endif
+ /* Reset value of `set -e', since it's turned off before running
+ the startup files. */
+ exit_immediately_on_error += old_errexit_flag;
+ locally_skip_execution++;
+ }
+ }
+
+ arg_index = top_level_arg_index;
+
+ /* Execute the start-up scripts. */
+
+ if (interactive_shell == 0)
+ {
+ unbind_variable ("PS1");
+ unbind_variable ("PS2");
+ interactive = 0;
+#if 0
+ /* This has already been done by init_noninteractive */
+ expand_aliases = posixly_correct;
+#endif
+ }
+ else
+ {
+ change_flag ('i', FLAG_ON);
+ interactive = 1;
+ }
+
+#if defined (RESTRICTED_SHELL)
+ /* Set restricted_shell based on whether the basename of $0 indicates that
+ the shell should be restricted or if the `-r' option was supplied at
+ startup. */
+ restricted_shell = shell_is_restricted (shell_name);
+
+ /* If the `-r' option is supplied at invocation, make sure that the shell
+ is not in restricted mode when running the startup files. */
+ saverst = restricted;
+ restricted = 0;
+#endif
+
+ /* The startup files are run with `set -e' temporarily disabled. */
+ if (locally_skip_execution == 0 && running_setuid == 0)
+ {
+ old_errexit_flag = exit_immediately_on_error;
+ exit_immediately_on_error = 0;
+
+ run_startup_files ();
+ exit_immediately_on_error += old_errexit_flag;
+ }
+
+ /* If we are invoked as `sh', turn on Posix mode. */
+ if (act_like_sh)
+ {
+ bind_variable ("POSIXLY_CORRECT", "y", 0);
+ sv_strict_posix ("POSIXLY_CORRECT");
+ }
+
+#if defined (RESTRICTED_SHELL)
+ /* Turn on the restrictions after executing the startup files. This
+ means that `bash -r' or `set -r' invoked from a startup file will
+ turn on the restrictions after the startup files are executed. */
+ restricted = saverst || restricted;
+ if (shell_reinitialized == 0)
+ maybe_make_restricted (shell_name);
+#endif /* RESTRICTED_SHELL */
+
+ if (wordexp_only)
+ {
+ startup_state = 3;
+ last_command_exit_value = run_wordexp (argv[arg_index]);
+ exit_shell (last_command_exit_value);
+ }
+
+ if (command_execution_string)
+ {
+ arg_index = bind_args (argv, arg_index, argc, 0);
+ startup_state = 2;
+
+ if (debugging_mode)
+ start_debugger ();
+
+#if defined (ONESHOT)
+ executing = 1;
+ run_one_command (command_execution_string);
+ exit_shell (last_command_exit_value);
+#else /* ONESHOT */
+ with_input_from_string (command_execution_string, "-c");
+ goto read_and_execute;
+#endif /* !ONESHOT */
+ }
+
+ /* Get possible input filename and set up default_buffered_input or
+ default_input as appropriate. */
+ if (arg_index != argc && read_from_stdin == 0)
+ {
+ open_shell_script (argv[arg_index]);
+ arg_index++;
+ }
+ else if (interactive == 0)
+ /* In this mode, bash is reading a script from stdin, which is a
+ pipe or redirected file. */
+#if defined (BUFFERED_INPUT)
+ default_buffered_input = fileno (stdin); /* == 0 */
+#else
+ setbuf (default_input, (char *)NULL);
+#endif /* !BUFFERED_INPUT */
+
+ set_bash_input ();
+
+ /* Bind remaining args to $1 ... $n */
+ arg_index = bind_args (argv, arg_index, argc, 1);
+
+ if (debugging_mode && locally_skip_execution == 0 && running_setuid == 0)
+ start_debugger ();
+
+ /* Do the things that should be done only for interactive shells. */
+ if (interactive_shell)
+ {
+ /* Set up for checking for presence of mail. */
+ reset_mail_timer ();
+ init_mail_dates ();
+
+#if defined (HISTORY)
+ /* Initialize the interactive history stuff. */
+ bash_initialize_history ();
+ /* Don't load the history from the history file if we've already
+ saved some lines in this session (e.g., by putting `history -s xx'
+ into one of the startup files). */
+ if (shell_initialized == 0 && history_lines_this_session == 0)
+ load_history ();
+#endif /* HISTORY */
+
+ /* Initialize terminal state for interactive shells after the
+ .bash_profile and .bashrc are interpreted. */
+ get_tty_state ();
+ }
+
+#if !defined (ONESHOT)
+ read_and_execute:
+#endif /* !ONESHOT */
+
+ shell_initialized = 1;
+
+ /* Read commands until exit condition. */
+ reader_loop ();
+ exit_shell (last_command_exit_value);
+}
+
+static int
+parse_long_options (argv, arg_start, arg_end)
+ char **argv;
+ int arg_start, arg_end;
+{
+ int arg_index, longarg, i;
+ char *arg_string;
+
+ arg_index = arg_start;
+ while ((arg_index != arg_end) && (arg_string = argv[arg_index]) &&
+ (*arg_string == '-'))
+ {
+ longarg = 0;
+
+ /* Make --login equivalent to -login. */
+ if (arg_string[1] == '-' && arg_string[2])
+ {
+ longarg = 1;
+ arg_string++;
+ }
+
+ for (i = 0; long_args[i].name; i++)
+ {
+ if (STREQ (arg_string + 1, long_args[i].name))
+ {
+ if (long_args[i].type == Int)
+ *long_args[i].int_value = 1;
+ else if (argv[++arg_index] == 0)
+ {
+ report_error (_("%s: option requires an argument"), long_args[i].name);
+ exit (EX_BADUSAGE);
+ }
+ else
+ *long_args[i].char_value = argv[arg_index];
+
+ break;
+ }
+ }
+ if (long_args[i].name == 0)
+ {
+ if (longarg)
+ {
+ report_error (_("%s: invalid option"), argv[arg_index]);
+ show_shell_usage (stderr, 0);
+ exit (EX_BADUSAGE);
+ }
+ break; /* No such argument. Maybe flag arg. */
+ }
+
+ arg_index++;
+ }
+
+ return (arg_index);
+}
+
+static int
+parse_shell_options (argv, arg_start, arg_end)
+ char **argv;
+ int arg_start, arg_end;
+{
+ int arg_index;
+ int arg_character, on_or_off, next_arg, i;
+ char *o_option, *arg_string;
+
+ arg_index = arg_start;
+ while (arg_index != arg_end && (arg_string = argv[arg_index]) &&
+ (*arg_string == '-' || *arg_string == '+'))
+ {
+ /* There are flag arguments, so parse them. */
+ next_arg = arg_index + 1;
+
+ /* A single `-' signals the end of options. From the 4.3 BSD sh.
+ An option `--' means the same thing; this is the standard
+ getopt(3) meaning. */
+ if (arg_string[0] == '-' &&
+ (arg_string[1] == '\0' ||
+ (arg_string[1] == '-' && arg_string[2] == '\0')))
+ return (next_arg);
+
+ i = 1;
+ on_or_off = arg_string[0];
+ while (arg_character = arg_string[i++])
+ {
+ switch (arg_character)
+ {
+ case 'c':
+ want_pending_command = 1;
+ break;
+
+ case 'l':
+ make_login_shell = 1;
+ break;
+
+ case 's':
+ read_from_stdin = 1;
+ break;
+
+ case 'o':
+ o_option = argv[next_arg];
+ if (o_option == 0)
+ {
+ list_minus_o_opts (-1, (on_or_off == '-') ? 0 : 1);
+ break;
+ }
+ if (set_minus_o_option (on_or_off, o_option) != EXECUTION_SUCCESS)
+ exit (EX_BADUSAGE);
+ next_arg++;
+ break;
+
+ case 'O':
+ /* Since some of these can be overridden by the normal
+ interactive/non-interactive shell initialization or
+ initializing posix mode, we save the options and process
+ them after initialization. */
+ o_option = argv[next_arg];
+ if (o_option == 0)
+ {
+ shopt_listopt (o_option, (on_or_off == '-') ? 0 : 1);
+ break;
+ }
+ add_shopt_to_alist (o_option, on_or_off);
+ next_arg++;
+ break;
+
+ case 'D':
+ dump_translatable_strings = 1;
+ break;
+
+ default:
+ if (change_flag (arg_character, on_or_off) == FLAG_ERROR)
+ {
+ report_error (_("%c%c: invalid option"), on_or_off, arg_character);
+ show_shell_usage (stderr, 0);
+ exit (EX_BADUSAGE);
+ }
+ }
+ }
+ /* Can't do just a simple increment anymore -- what about
+ "bash -abouo emacs ignoreeof -hP"? */
+ arg_index = next_arg;
+ }
+
+ return (arg_index);
+}
+
+/* Exit the shell with status S. */
+void
+exit_shell (s)
+ int s;
+{
+ /* Do trap[0] if defined. Allow it to override the exit status
+ passed to us. */
+ if (signal_is_trapped (0))
+ s = run_exit_trap ();
+
+#if defined (PROCESS_SUBSTITUTION)
+ unlink_fifo_list ();
+#endif /* PROCESS_SUBSTITUTION */
+
+#if defined (HISTORY)
+ if (interactive_shell)
+ maybe_save_shell_history ();
+#endif /* HISTORY */
+
+#if defined (COPROCESS_SUPPORT)
+ coproc_flush ();
+#endif
+
+#if defined (JOB_CONTROL)
+ /* If the user has run `shopt -s huponexit', hangup all jobs when we exit
+ an interactive login shell. ksh does this unconditionally. */
+ if (interactive_shell && login_shell && hup_on_exit)
+ hangup_all_jobs ();
+
+ /* If this shell is interactive, terminate all stopped jobs and
+ restore the original terminal process group. Don't do this if we're
+ in a subshell and calling exit_shell after, for example, a failed
+ word expansion. */
+ if (subshell_environment == 0)
+ end_job_control ();
+#endif /* JOB_CONTROL */
+
+ /* Always return the exit status of the last command to our parent. */
+ sh_exit (s);
+}
+
+/* A wrapper for exit that (optionally) can do other things, like malloc
+ statistics tracing. */
+void
+sh_exit (s)
+ int s;
+{
+#if defined (MALLOC_DEBUG) && defined (USING_BASH_MALLOC)
+ if (malloc_trace_at_exit)
+ trace_malloc_stats (get_name_for_error (), (char *)NULL);
+#endif
+
+ exit (s);
+}
+
+/* Source the bash startup files. If POSIXLY_CORRECT is non-zero, we obey
+ the Posix.2 startup file rules: $ENV is expanded, and if the file it
+ names exists, that file is sourced. The Posix.2 rules are in effect
+ for interactive shells only. (section 4.56.5.3) */
+
+/* Execute ~/.bashrc for most shells. Never execute it if
+ ACT_LIKE_SH is set, or if NO_RC is set.
+
+ If the executable file "/usr/gnu/src/bash/foo" contains:
+
+ #!/usr/gnu/bin/bash
+ echo hello
+
+ then:
+
+ COMMAND EXECUTE BASHRC
+ --------------------------------
+ bash -c foo NO
+ bash foo NO
+ foo NO
+ rsh machine ls YES (for rsh, which calls `bash -c')
+ rsh machine foo YES (for shell started by rsh) NO (for foo!)
+ echo ls | bash NO
+ login NO
+ bash YES
+*/
+
+static void
+execute_env_file (env_file)
+ char *env_file;
+{
+ char *fn;
+
+ if (env_file && *env_file)
+ {
+ fn = expand_string_unsplit_to_string (env_file, Q_DOUBLE_QUOTES);
+ if (fn && *fn)
+ maybe_execute_file (fn, 1);
+ FREE (fn);
+ }
+}
+
+static void
+run_startup_files ()
+{
+#if defined (JOB_CONTROL)
+ int old_job_control;
+#endif
+ int sourced_login, run_by_ssh;
+
+ /* get the rshd/sshd case out of the way first. */
+ if (interactive_shell == 0 && no_rc == 0 && login_shell == 0 &&
+ act_like_sh == 0 && command_execution_string)
+ {
+#ifdef SSH_SOURCE_BASHRC
+ run_by_ssh = (find_variable ("SSH_CLIENT") != (SHELL_VAR *)0) ||
+ (find_variable ("SSH2_CLIENT") != (SHELL_VAR *)0);
+#else
+ run_by_ssh = 0;
+#endif
+
+ /* If we were run by sshd or we think we were run by rshd, execute
+ ~/.bashrc if we are a top-level shell. */
+ if ((run_by_ssh || isnetconn (fileno (stdin))) && shell_level < 2)
+ {
+#ifdef SYS_BASHRC
+# if defined (__OPENNT)
+ maybe_execute_file (_prefixInstallPath(SYS_BASHRC, NULL, 0), 1);
+# else
+ maybe_execute_file (SYS_BASHRC, 1);
+# endif
+#endif
+ maybe_execute_file (bashrc_file, 1);
+ return;
+ }
+ }
+
+#if defined (JOB_CONTROL)
+ /* Startup files should be run without job control enabled. */
+ old_job_control = interactive_shell ? set_job_control (0) : 0;
+#endif
+
+ sourced_login = 0;
+
+ /* A shell begun with the --login (or -l) flag that is not in posix mode
+ runs the login shell startup files, no matter whether or not it is
+ interactive. If NON_INTERACTIVE_LOGIN_SHELLS is defined, run the
+ startup files if argv[0][0] == '-' as well. */
+#if defined (NON_INTERACTIVE_LOGIN_SHELLS)
+ if (login_shell && posixly_correct == 0)
+#else
+ if (login_shell < 0 && posixly_correct == 0)
+#endif
+ {
+ /* We don't execute .bashrc for login shells. */
+ no_rc++;
+
+ /* Execute /etc/profile and one of the personal login shell
+ initialization files. */
+ if (no_profile == 0)
+ {
+ maybe_execute_file (SYS_PROFILE, 1);
+
+ if (act_like_sh) /* sh */
+ maybe_execute_file ("~/.profile", 1);
+ else if ((maybe_execute_file ("~/.bash_profile", 1) == 0) &&
+ (maybe_execute_file ("~/.bash_login", 1) == 0)) /* bash */
+ maybe_execute_file ("~/.profile", 1);
+ }
+
+ sourced_login = 1;
+ }
+
+ /* A non-interactive shell not named `sh' and not in posix mode reads and
+ executes commands from $BASH_ENV. If `su' starts a shell with `-c cmd'
+ and `-su' as the name of the shell, we want to read the startup files.
+ No other non-interactive shells read any startup files. */
+ if (interactive_shell == 0 && !(su_shell && login_shell))
+ {
+ if (posixly_correct == 0 && act_like_sh == 0 && privileged_mode == 0 &&
+ sourced_env++ == 0)
+ execute_env_file (get_string_value ("BASH_ENV"));
+ return;
+ }
+
+ /* Interactive shell or `-su' shell. */
+ if (posixly_correct == 0) /* bash, sh */
+ {
+ if (login_shell && sourced_login++ == 0)
+ {
+ /* We don't execute .bashrc for login shells. */
+ no_rc++;
+
+ /* Execute /etc/profile and one of the personal login shell
+ initialization files. */
+ if (no_profile == 0)
+ {
+ maybe_execute_file (SYS_PROFILE, 1);
+
+ if (act_like_sh) /* sh */
+ maybe_execute_file ("~/.profile", 1);
+ else if ((maybe_execute_file ("~/.bash_profile", 1) == 0) &&
+ (maybe_execute_file ("~/.bash_login", 1) == 0)) /* bash */
+ maybe_execute_file ("~/.profile", 1);
+ }
+ }
+
+ /* bash */
+ if (act_like_sh == 0 && no_rc == 0)
+ {
+#ifdef SYS_BASHRC
+# if defined (__OPENNT)
+ maybe_execute_file (_prefixInstallPath(SYS_BASHRC, NULL, 0), 1);
+# else
+ maybe_execute_file (SYS_BASHRC, 1);
+# endif
+#endif
+ maybe_execute_file (bashrc_file, 1);
+ }
+ /* sh */
+ else if (act_like_sh && privileged_mode == 0 && sourced_env++ == 0)
+ execute_env_file (get_string_value ("ENV"));
+ }
+ else /* bash --posix, sh --posix */
+ {
+ /* bash and sh */
+ if (interactive_shell && privileged_mode == 0 && sourced_env++ == 0)
+ execute_env_file (get_string_value ("ENV"));
+ }
+
+#if defined (JOB_CONTROL)
+ set_job_control (old_job_control);
+#endif
+}
+
+#if defined (RESTRICTED_SHELL)
+/* Return 1 if the shell should be a restricted one based on NAME or the
+ value of `restricted'. Don't actually do anything, just return a
+ boolean value. */
+int
+shell_is_restricted (name)
+ char *name;
+{
+ char *temp;
+
+ if (restricted)
+ return 1;
+ temp = base_pathname (name);
+ if (*temp == '-')
+ temp++;
+ return (STREQ (temp, RESTRICTED_SHELL_NAME));
+}
+
+/* Perhaps make this shell a `restricted' one, based on NAME. If the
+ basename of NAME is "rbash", then this shell is restricted. The
+ name of the restricted shell is a configurable option, see config.h.
+ In a restricted shell, PATH, SHELL, ENV, and BASH_ENV are read-only
+ and non-unsettable.
+ Do this also if `restricted' is already set to 1; maybe the shell was
+ started with -r. */
+int
+maybe_make_restricted (name)
+ char *name;
+{
+ char *temp;
+
+ temp = base_pathname (name);
+ if (*temp == '-')
+ temp++;
+ if (restricted || (STREQ (temp, RESTRICTED_SHELL_NAME)))
+ {
+ set_var_read_only ("PATH");
+ set_var_read_only ("SHELL");
+ set_var_read_only ("ENV");
+ set_var_read_only ("BASH_ENV");
+ restricted = 1;
+ }
+ return (restricted);
+}
+#endif /* RESTRICTED_SHELL */
+
+/* Fetch the current set of uids and gids and return 1 if we're running
+ setuid or setgid. */
+static int
+uidget ()
+{
+ uid_t u;
+
+ u = getuid ();
+ if (current_user.uid != u)
+ {
+ FREE (current_user.user_name);
+ FREE (current_user.shell);
+ FREE (current_user.home_dir);
+ current_user.user_name = current_user.shell = current_user.home_dir = (char *)NULL;
+ }
+ current_user.uid = u;
+ current_user.gid = getgid ();
+ current_user.euid = geteuid ();
+ current_user.egid = getegid ();
+
+ /* See whether or not we are running setuid or setgid. */
+ return (current_user.uid != current_user.euid) ||
+ (current_user.gid != current_user.egid);
+}
+
+void
+disable_priv_mode ()
+{
+ setuid (current_user.uid);
+ setgid (current_user.gid);
+ current_user.euid = current_user.uid;
+ current_user.egid = current_user.gid;
+}
+
+static int
+run_wordexp (words)
+ char *words;
+{
+ int code, nw, nb;
+ WORD_LIST *wl, *tl, *result;
+
+ code = setjmp (top_level);
+
+ if (code != NOT_JUMPED)
+ {
+ switch (code)
+ {
+ /* Some kind of throw to top_level has occured. */
+ case FORCE_EOF:
+ return last_command_exit_value = 127;
+ case ERREXIT:
+ case EXITPROG:
+ return last_command_exit_value;
+ case DISCARD:
+ return last_command_exit_value = 1;
+ default:
+ command_error ("run_wordexp", CMDERR_BADJUMP, code, 0);
+ }
+ }
+
+ /* Run it through the parser to get a list of words and expand them */
+ if (words && *words)
+ {
+ with_input_from_string (words, "--wordexp");
+ if (parse_command () != 0)
+ return (126);
+ if (global_command == 0)
+ {
+ printf ("0\n0\n");
+ return (0);
+ }
+ if (global_command->type != cm_simple)
+ return (126);
+ wl = global_command->value.Simple->words;
+ if (protected_mode)
+ for (tl = wl; tl; tl = tl->next)
+ tl->word->flags |= W_NOCOMSUB|W_NOPROCSUB;
+ result = wl ? expand_words_no_vars (wl) : (WORD_LIST *)0;
+ }
+ else
+ result = (WORD_LIST *)0;
+
+ last_command_exit_value = 0;
+
+ if (result == 0)
+ {
+ printf ("0\n0\n");
+ return (0);
+ }
+
+ /* Count up the number of words and bytes, and print them. Don't count
+ the trailing NUL byte. */
+ for (nw = nb = 0, wl = result; wl; wl = wl->next)
+ {
+ nw++;
+ nb += strlen (wl->word->word);
+ }
+ printf ("%u\n%u\n", nw, nb);
+ /* Print each word on a separate line. This will have to be changed when
+ the interface to glibc is completed. */
+ for (wl = result; wl; wl = wl->next)
+ printf ("%s\n", wl->word->word);
+
+ return (0);
+}
+
+#if defined (ONESHOT)
+/* Run one command, given as the argument to the -c option. Tell
+ parse_and_execute not to fork for a simple command. */
+static int
+run_one_command (command)
+ char *command;
+{
+ int code;
+
+ code = setjmp (top_level);
+
+ if (code != NOT_JUMPED)
+ {
+#if defined (PROCESS_SUBSTITUTION)
+ unlink_fifo_list ();
+#endif /* PROCESS_SUBSTITUTION */
+ switch (code)
+ {
+ /* Some kind of throw to top_level has occured. */
+ case FORCE_EOF:
+ return last_command_exit_value = 127;
+ case ERREXIT:
+ case EXITPROG:
+ return last_command_exit_value;
+ case DISCARD:
+ return last_command_exit_value = 1;
+ default:
+ command_error ("run_one_command", CMDERR_BADJUMP, code, 0);
+ }
+ }
+ return (parse_and_execute (savestring (command), "-c", SEVAL_NOHIST));
+}
+#endif /* ONESHOT */
+
+static int
+bind_args (argv, arg_start, arg_end, start_index)
+ char **argv;
+ int arg_start, arg_end, start_index;
+{
+ register int i;
+ WORD_LIST *args;
+
+ for (i = arg_start, args = (WORD_LIST *)NULL; i < arg_end; i++)
+ args = make_word_list (make_word (argv[i]), args);
+ if (args)
+ {
+ args = REVERSE_LIST (args, WORD_LIST *);
+ if (start_index == 0) /* bind to $0...$n for sh -c command */
+ {
+ /* Posix.2 4.56.3 says that the first argument after sh -c command
+ becomes $0, and the rest of the arguments become $1...$n */
+ shell_name = savestring (args->word->word);
+ FREE (dollar_vars[0]);
+ dollar_vars[0] = savestring (args->word->word);
+ remember_args (args->next, 1);
+ push_args (args->next); /* BASH_ARGV and BASH_ARGC */
+ }
+ else /* bind to $1...$n for shell script */
+ {
+ remember_args (args, 1);
+ push_args (args); /* BASH_ARGV and BASH_ARGC */
+ }
+
+ dispose_words (args);
+ }
+
+ return (i);
+}
+
+void
+unbind_args ()
+{
+ remember_args ((WORD_LIST *)NULL, 1);
+ pop_args (); /* Reset BASH_ARGV and BASH_ARGC */
+}
+
+static void
+start_debugger ()
+{
+#if defined (DEBUGGER) && defined (DEBUGGER_START_FILE)
+ int old_errexit;
+
+ old_errexit = exit_immediately_on_error;
+ exit_immediately_on_error = 0;
+
+ maybe_execute_file (DEBUGGER_START_FILE, 1);
+ function_trace_mode = 1;
+
+ exit_immediately_on_error += old_errexit;
+#endif
+}
+
+static int
+open_shell_script (script_name)
+ char *script_name;
+{
+ int fd, e, fd_is_tty;
+ char *filename, *path_filename, *t;
+ char sample[80];
+ int sample_len;
+ struct stat sb;
+#if defined (ARRAY_VARS)
+ SHELL_VAR *funcname_v, *bash_source_v, *bash_lineno_v;
+ ARRAY *funcname_a, *bash_source_a, *bash_lineno_a;
+#endif
+
+ filename = savestring (script_name);
+
+ fd = open (filename, O_RDONLY);
+ if ((fd < 0) && (errno == ENOENT) && (absolute_program (filename) == 0))
+ {
+ e = errno;
+ /* If it's not in the current directory, try looking through PATH
+ for it. */
+ path_filename = find_path_file (script_name);
+ if (path_filename)
+ {
+ free (filename);
+ filename = path_filename;
+ fd = open (filename, O_RDONLY);
+ }
+ else
+ errno = e;
+ }
+
+ if (fd < 0)
+ {
+ e = errno;
+ file_error (filename);
+ exit ((e == ENOENT) ? EX_NOTFOUND : EX_NOINPUT);
+ }
+
+ free (dollar_vars[0]);
+ dollar_vars[0] = savestring (script_name);
+
+#if defined (ARRAY_VARS)
+ GET_ARRAY_FROM_VAR ("FUNCNAME", funcname_v, funcname_a);
+ GET_ARRAY_FROM_VAR ("BASH_SOURCE", bash_source_v, bash_source_a);
+ GET_ARRAY_FROM_VAR ("BASH_LINENO", bash_lineno_v, bash_lineno_a);
+
+ array_push (bash_source_a, filename);
+ if (bash_lineno_a)
+ {
+ t = itos (executing_line_number ());
+ array_push (bash_lineno_a, t);
+ free (t);
+ }
+ array_push (funcname_a, "main");
+#endif
+
+#ifdef HAVE_DEV_FD
+ fd_is_tty = isatty (fd);
+#else
+ fd_is_tty = 0;
+#endif
+
+ /* Only do this with non-tty file descriptors we can seek on. */
+ if (fd_is_tty == 0 && (lseek (fd, 0L, 1) != -1))
+ {
+ /* Check to see if the `file' in `bash file' is a binary file
+ according to the same tests done by execute_simple_command (),
+ and report an error and exit if it is. */
+ sample_len = read (fd, sample, sizeof (sample));
+ if (sample_len < 0)
+ {
+ e = errno;
+ if ((fstat (fd, &sb) == 0) && S_ISDIR (sb.st_mode))
+ internal_error (_("%s: is a directory"), filename);
+ else
+ {
+ errno = e;
+ file_error (filename);
+ }
+ exit (EX_NOEXEC);
+ }
+ else if (sample_len > 0 && (check_binary_file (sample, sample_len)))
+ {
+ internal_error (_("%s: cannot execute binary file"), filename);
+ exit (EX_BINARY_FILE);
+ }
+ /* Now rewind the file back to the beginning. */
+ lseek (fd, 0L, 0);
+ }
+
+ /* Open the script. But try to move the file descriptor to a randomly
+ large one, in the hopes that any descriptors used by the script will
+ not match with ours. */
+ fd = move_to_high_fd (fd, 1, -1);
+
+#if defined (__CYGWIN__) && defined (O_TEXT)
+ setmode (fd, O_TEXT);
+#endif
+
+#if defined (BUFFERED_INPUT)
+ default_buffered_input = fd;
+ SET_CLOSE_ON_EXEC (default_buffered_input);
+#else /* !BUFFERED_INPUT */
+ default_input = fdopen (fd, "r");
+
+ if (default_input == 0)
+ {
+ file_error (filename);
+ exit (EX_NOTFOUND);
+ }
+
+ SET_CLOSE_ON_EXEC (fd);
+ if (fileno (default_input) != fd)
+ SET_CLOSE_ON_EXEC (fileno (default_input));
+#endif /* !BUFFERED_INPUT */
+
+ /* Just about the only way for this code to be executed is if something
+ like `bash -i /dev/stdin' is executed. */
+ if (interactive_shell && fd_is_tty)
+ {
+ dup2 (fd, 0);
+ close (fd);
+ fd = 0;
+#if defined (BUFFERED_INPUT)
+ default_buffered_input = 0;
+#else
+ fclose (default_input);
+ default_input = stdin;
+#endif
+ }
+ else if (forced_interactive && fd_is_tty == 0)
+ /* But if a script is called with something like `bash -i scriptname',
+ we need to do a non-interactive setup here, since we didn't do it
+ before. */
+ init_interactive_script ();
+
+ free (filename);
+ return (fd);
+}
+
+/* Initialize the input routines for the parser. */
+static void
+set_bash_input ()
+{
+ /* Make sure the fd from which we are reading input is not in
+ no-delay mode. */
+#if defined (BUFFERED_INPUT)
+ if (interactive == 0)
+ sh_unset_nodelay_mode (default_buffered_input);
+ else
+#endif /* !BUFFERED_INPUT */
+ sh_unset_nodelay_mode (fileno (stdin));
+
+ /* with_input_from_stdin really means `with_input_from_readline' */
+ if (interactive && no_line_editing == 0)
+ with_input_from_stdin ();
+#if defined (BUFFERED_INPUT)
+ else if (interactive == 0)
+ with_input_from_buffered_stream (default_buffered_input, dollar_vars[0]);
+#endif /* BUFFERED_INPUT */
+ else
+ with_input_from_stream (default_input, dollar_vars[0]);
+}
+
+/* Close the current shell script input source and forget about it. This is
+ extern so execute_cmd.c:initialize_subshell() can call it. If CHECK_ZERO
+ is non-zero, we close default_buffered_input even if it's the standard
+ input (fd 0). */
+void
+unset_bash_input (check_zero)
+ int check_zero;
+{
+#if defined (BUFFERED_INPUT)
+ if ((check_zero && default_buffered_input >= 0) ||
+ (check_zero == 0 && default_buffered_input > 0))
+ {
+ close_buffered_fd (default_buffered_input);
+ default_buffered_input = bash_input.location.buffered_fd = -1;
+ bash_input.type = st_none; /* XXX */
+ }
+#else /* !BUFFERED_INPUT */
+ if (default_input)
+ {
+ fclose (default_input);
+ default_input = (FILE *)NULL;
+ }
+#endif /* !BUFFERED_INPUT */
+}
+
+
+#if !defined (PROGRAM)
+# define PROGRAM "bash"
+#endif
+
+static void
+set_shell_name (argv0)
+ char *argv0;
+{
+ /* Here's a hack. If the name of this shell is "sh", then don't do
+ any startup files; just try to be more like /bin/sh. */
+ shell_name = argv0 ? base_pathname (argv0) : PROGRAM;
+
+ if (argv0 && *argv0 == '-')
+ {
+ if (*shell_name == '-')
+ shell_name++;
+ login_shell++;
+ }
+
+ if (shell_name[0] == 's' && shell_name[1] == 'h' && shell_name[2] == '\0')
+ act_like_sh++;
+ if (shell_name[0] == 's' && shell_name[1] == 'u' && shell_name[2] == '\0')
+ su_shell++;
+
+ shell_name = argv0 ? argv0 : PROGRAM;
+ FREE (dollar_vars[0]);
+ dollar_vars[0] = savestring (shell_name);
+
+ /* A program may start an interactive shell with
+ "execl ("/bin/bash", "-", NULL)".
+ If so, default the name of this shell to our name. */
+ if (!shell_name || !*shell_name || (shell_name[0] == '-' && !shell_name[1]))
+ shell_name = PROGRAM;
+}
+
+static void
+init_interactive ()
+{
+ expand_aliases = interactive_shell = startup_state = 1;
+ interactive = 1;
+}
+
+static void
+init_noninteractive ()
+{
+#if defined (HISTORY)
+ bash_history_reinit (0);
+#endif /* HISTORY */
+ interactive_shell = startup_state = interactive = 0;
+ expand_aliases = posixly_correct; /* XXX - was 0 not posixly_correct */
+ no_line_editing = 1;
+#if defined (JOB_CONTROL)
+ set_job_control (0);
+#endif /* JOB_CONTROL */
+}
+
+static void
+init_interactive_script ()
+{
+ init_noninteractive ();
+ expand_aliases = interactive_shell = startup_state = 1;
+}
+
+void
+get_current_user_info ()
+{
+ struct passwd *entry;
+
+ /* Don't fetch this more than once. */
+ if (current_user.user_name == 0)
+ {
+ entry = getpwuid (current_user.uid);
+ if (entry)
+ {
+ current_user.user_name = savestring (entry->pw_name);
+ current_user.shell = (entry->pw_shell && entry->pw_shell[0])
+ ? savestring (entry->pw_shell)
+ : savestring ("/bin/sh");
+ current_user.home_dir = savestring (entry->pw_dir);
+ }
+ else
+ {
+ current_user.user_name = _("I have no name!");
+ current_user.user_name = savestring (current_user.user_name);
+ current_user.shell = savestring ("/bin/sh");
+ current_user.home_dir = savestring ("/");
+ }
+ endpwent ();
+ }
+}
+
+/* Do whatever is necessary to initialize the shell.
+ Put new initializations in here. */
+static void
+shell_initialize ()
+{
+ char hostname[256];
+
+ /* Line buffer output for stderr and stdout. */
+ if (shell_initialized == 0)
+ {
+ sh_setlinebuf (stderr);
+ sh_setlinebuf (stdout);
+ }
+
+ /* Sort the array of shell builtins so that the binary search in
+ find_shell_builtin () works correctly. */
+ initialize_shell_builtins ();
+
+ /* Initialize the trap signal handlers before installing our own
+ signal handlers. traps.c:restore_original_signals () is responsible
+ for restoring the original default signal handlers. That function
+ is called when we make a new child. */
+ initialize_traps ();
+ initialize_signals (0);
+
+ /* It's highly unlikely that this will change. */
+ if (current_host_name == 0)
+ {
+ /* Initialize current_host_name. */
+ if (gethostname (hostname, 255) < 0)
+ current_host_name = "??host??";
+ else
+ current_host_name = savestring (hostname);
+ }
+
+ /* Initialize the stuff in current_user that comes from the password
+ file. We don't need to do this right away if the shell is not
+ interactive. */
+ if (interactive_shell)
+ get_current_user_info ();
+
+ /* Initialize our interface to the tilde expander. */
+ tilde_initialize ();
+
+ /* Initialize internal and environment variables. Don't import shell
+ functions from the environment if we are running in privileged or
+ restricted mode or if the shell is running setuid. */
+#if defined (RESTRICTED_SHELL)
+ initialize_shell_variables (shell_environment, privileged_mode||restricted||running_setuid);
+#else
+ initialize_shell_variables (shell_environment, privileged_mode||running_setuid);
+#endif
+
+ /* Initialize the data structures for storing and running jobs. */
+ initialize_job_control (0);
+
+ /* Initialize input streams to null. */
+ initialize_bash_input ();
+
+ initialize_flags ();
+
+ /* Initialize the shell options. Don't import the shell options
+ from the environment variable $SHELLOPTS if we are running in
+ privileged or restricted mode or if the shell is running setuid. */
+#if defined (RESTRICTED_SHELL)
+ initialize_shell_options (privileged_mode||restricted||running_setuid);
+#else
+ initialize_shell_options (privileged_mode||running_setuid);
+#endif
+}
+
+/* Function called by main () when it appears that the shell has already
+ had some initialization performed. This is supposed to reset the world
+ back to a pristine state, as if we had been exec'ed. */
+static void
+shell_reinitialize ()
+{
+ /* The default shell prompts. */
+ primary_prompt = PPROMPT;
+ secondary_prompt = SPROMPT;
+
+ /* Things that get 1. */
+ current_command_number = 1;
+
+ /* We have decided that the ~/.bashrc file should not be executed
+ for the invocation of each shell script. If the variable $ENV
+ (or $BASH_ENV) is set, its value is used as the name of a file
+ to source. */
+ no_rc = no_profile = 1;
+
+ /* Things that get 0. */
+ login_shell = make_login_shell = interactive = executing = 0;
+ debugging = do_version = line_number = last_command_exit_value = 0;
+ forced_interactive = interactive_shell = subshell_environment = 0;
+ expand_aliases = 0;
+
+#if defined (HISTORY)
+ bash_history_reinit (0);
+#endif /* HISTORY */
+
+#if defined (RESTRICTED_SHELL)
+ restricted = 0;
+#endif /* RESTRICTED_SHELL */
+
+ /* Ensure that the default startup file is used. (Except that we don't
+ execute this file for reinitialized shells). */
+ bashrc_file = "~/.bashrc";
+
+ /* Delete all variables and functions. They will be reinitialized when
+ the environment is parsed. */
+ delete_all_contexts (shell_variables);
+ delete_all_variables (shell_functions);
+
+ reinit_special_variables ();
+
+#if defined (READLINE)
+ bashline_reinitialize ();
+#endif
+
+ shell_reinitialized = 1;
+}
+
+static void
+show_shell_usage (fp, extra)
+ FILE *fp;
+ int extra;
+{
+ int i;
+ char *set_opts, *s, *t;
+
+ if (extra)
+ fprintf (fp, _("GNU bash, version %s-(%s)\n"), shell_version_string (), MACHTYPE);
+ fprintf (fp, _("Usage:\t%s [GNU long option] [option] ...\n\t%s [GNU long option] [option] script-file ...\n"),
+ shell_name, shell_name);
+ fputs (_("GNU long options:\n"), fp);
+ for (i = 0; long_args[i].name; i++)
+ fprintf (fp, "\t--%s\n", long_args[i].name);
+
+ fputs (_("Shell options:\n"), fp);
+ fputs (_("\t-irsD or -c command or -O shopt_option\t\t(invocation only)\n"), fp);
+
+ for (i = 0, set_opts = 0; shell_builtins[i].name; i++)
+ if (STREQ (shell_builtins[i].name, "set"))
+ set_opts = savestring (shell_builtins[i].short_doc);
+ if (set_opts)
+ {
+ s = xstrchr (set_opts, '[');
+ if (s == 0)
+ s = set_opts;
+ while (*++s == '-')
+ ;
+ t = xstrchr (s, ']');
+ if (t)
+ *t = '\0';
+ fprintf (fp, _("\t-%s or -o option\n"), s);
+ free (set_opts);
+ }
+
+ if (extra)
+ {
+ fprintf (fp, _("Type `%s -c \"help set\"' for more information about shell options.\n"), shell_name);
+ fprintf (fp, _("Type `%s -c help' for more information about shell builtin commands.\n"), shell_name);
+ fprintf (fp, _("Use the `bashbug' command to report bugs.\n"));
+ }
+}
+
+static void
+add_shopt_to_alist (opt, on_or_off)
+ char *opt;
+ int on_or_off;
+{
+ if (shopt_ind >= shopt_len)
+ {
+ shopt_len += 8;
+ shopt_alist = (STRING_INT_ALIST *)xrealloc (shopt_alist, shopt_len * sizeof (shopt_alist[0]));
+ }
+ shopt_alist[shopt_ind].word = opt;
+ shopt_alist[shopt_ind].token = on_or_off;
+ shopt_ind++;
+}
+
+static void
+run_shopt_alist ()
+{
+ register int i;
+
+ for (i = 0; i < shopt_ind; i++)
+ if (shopt_setopt (shopt_alist[i].word, (shopt_alist[i].token == '-')) != EXECUTION_SUCCESS)
+ exit (EX_BADUSAGE);
+ free (shopt_alist);
+ shopt_alist = 0;
+ shopt_ind = shopt_len = 0;
+}
aflags |= ASS_APPEND;
#if defined (ARRAY_VARS)
- if (t = xstrchr (name, '[')) /*]*/
+ if (t = mbschr (name, '[')) /*]*/
{
if (assign_list)
{
#if defined (ARRAY_VARS)
else if (valid_array_reference (name))
{
- temp1 = xstrchr (name, '[');
+ temp1 = mbschr (name, '[');
if (temp1 && temp1[1] == '@' && temp1[2] == ']')
{
if ((quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) && quoted_dollar_atp)
/* Only do brace expansion if the word has a brace character. If
not, just add the word list element to BRACES and continue. In
the common case, at least when running shell scripts, this will
- degenerate to a bunch of calls to `xstrchr', and then what is
+ degenerate to a bunch of calls to `mbschr', and then what is
basically a reversal of TLIST into BRACES, which is corrected
by a call to REVERSE_LIST () on BRACES when the end of TLIST
is reached. */
- if (xstrchr (tlist->word->word, LBRACE))
+ if (mbschr (tlist->word->word, LBRACE))
{
expansions = brace_expand (tlist->word->word);
aflags |= ASS_APPEND;
#if defined (ARRAY_VARS)
- if (t = xstrchr (name, '[')) /*]*/
+ if (t = mbschr (name, '[')) /*]*/
{
if (assign_list)
{
{
c = *--t;
*t = '\0';
+ last_command_exit_value = EXECUTION_FAILURE;
err_unboundvar (s);
*t = c;
return (-1);
#if defined (ARRAY_VARS)
else if (valid_array_reference (name))
{
- temp1 = xstrchr (name, '[');
+ temp1 = mbschr (name, '[');
if (temp1 && temp1[1] == '@' && temp1[2] == ']')
{
if ((quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) && quoted_dollar_atp)
mtype = mflags & MATCH_TYPEMASK;
+itrace("pat_subst: string = `%s' pat = `%s' rep = `%s'", string, pat, rep);
/* Special cases:
* 1. A null pattern with mtype == MATCH_BEG means to prefix STRING
* with REP and return the result.
case RBRACE:
if (var_is_set == 0 && unbound_vars_is_error)
{
+ last_command_exit_value = EXECUTION_FAILURE;
err_unboundvar (name);
FREE (value);
FREE (temp);
free (name);
- last_command_exit_value = EXECUTION_FAILURE;
return (interactive_shell ? &expand_wdesc_error : &expand_wdesc_fatal);
}
break;
uerror[0] = '$';
uerror[1] = c;
uerror[2] = '\0';
- err_unboundvar (uerror);
last_command_exit_value = EXECUTION_FAILURE;
+ err_unboundvar (uerror);
return (interactive_shell ? &expand_wdesc_error : &expand_wdesc_fatal);
}
if (temp1)
uerror[0] = '$';
uerror[1] = c;
uerror[2] = '\0';
- err_unboundvar (uerror);
last_command_exit_value = EXECUTION_FAILURE;
+ err_unboundvar (uerror);
return (interactive_shell ? &expand_wdesc_error : &expand_wdesc_fatal);
}
}
uerror[0] = '$';
uerror[1] = '*';
uerror[2] = '\0';
- err_unboundvar (uerror);
last_command_exit_value = EXECUTION_FAILURE;
+ err_unboundvar (uerror);
return (interactive_shell ? &expand_wdesc_error : &expand_wdesc_fatal);
}
uerror[0] = '$';
uerror[1] = '@';
uerror[2] = '\0';
- err_unboundvar (uerror);
last_command_exit_value = EXECUTION_FAILURE;
+ err_unboundvar (uerror);
return (interactive_shell ? &expand_wdesc_error : &expand_wdesc_fatal);
}
unbound_variable:
if (unbound_vars_is_error)
- err_unboundvar (temp1);
+ {
+ last_command_exit_value = EXECUTION_FAILURE;
+ err_unboundvar (temp1);
+ }
else
{
free (temp1);
/* Only do brace expansion if the word has a brace character. If
not, just add the word list element to BRACES and continue. In
the common case, at least when running shell scripts, this will
- degenerate to a bunch of calls to `xstrchr', and then what is
+ degenerate to a bunch of calls to `mbschr', and then what is
basically a reversal of TLIST into BRACES, which is corrected
by a call to REVERSE_LIST () on BRACES when the end of TLIST
is reached. */
- if (xstrchr (tlist->word->word, LBRACE))
+ if (mbschr (tlist->word->word, LBRACE))
{
expansions = brace_expand (tlist->word->word);
lib/readline/ansi_stdlib.h ../../include/ansi_stdlib.h
lib/readline/posixdir.h ../../include/posixdir.h
lib/readline/posixjmp.h ../../include/posixjmp.h
+lib/readline/posixselect.h ../../include/posixselect.h
lib/readline/posixstat.h ../../include/posixstat.h
#lib/readline/rlstdc.h ../../include/stdc.h
#lib/readline/xmalloc.c ../malloc/xmalloc.c
vv = make_new_array_variable ("BASH_VERSINFO");
av = array_cell (vv);
strcpy (d, dist_version);
- s = xstrchr (d, '.');
+ s = strchr (d, '.');
if (s)
*s++ = '\0';
array_insert (av, 0, d);
--- /dev/null
+/* variables.c -- Functions for hacking shell variables. */
+
+/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "config.h"
+
+#include "bashtypes.h"
+#include "posixstat.h"
+#include "posixtime.h"
+
+#if defined (__QNX__)
+# if defined (__QNXNTO__)
+# include <sys/netmgr.h>
+# else
+# include <sys/vc.h>
+# endif /* !__QNXNTO__ */
+#endif /* __QNX__ */
+
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
+#include <stdio.h>
+#include "chartypes.h"
+#if defined (HAVE_PWD_H)
+# include <pwd.h>
+#endif
+#include "bashansi.h"
+#include "bashintl.h"
+
+#include "shell.h"
+#include "flags.h"
+#include "execute_cmd.h"
+#include "findcmd.h"
+#include "mailcheck.h"
+#include "input.h"
+#include "hashcmd.h"
+#include "pathexp.h"
+#include "alias.h"
+
+#include "builtins/getopt.h"
+#include "builtins/common.h"
+
+#if defined (READLINE)
+# include "bashline.h"
+# include <readline/readline.h>
+#else
+# include <tilde/tilde.h>
+#endif
+
+#if defined (HISTORY)
+# include "bashhist.h"
+# include <readline/history.h>
+#endif /* HISTORY */
+
+#if defined (PROGRAMMABLE_COMPLETION)
+# include "pcomplete.h"
+#endif
+
+#define TEMPENV_HASH_BUCKETS 4 /* must be power of two */
+
+#define ifsname(s) ((s)[0] == 'I' && (s)[1] == 'F' && (s)[2] == 'S' && (s)[3] == '\0')
+
+extern char **environ;
+
+/* Variables used here and defined in other files. */
+extern int posixly_correct;
+extern int line_number;
+extern int subshell_environment, indirection_level, subshell_level;
+extern int build_version, patch_level;
+extern int expanding_redir;
+extern char *dist_version, *release_status;
+extern char *shell_name;
+extern char *primary_prompt, *secondary_prompt;
+extern char *current_host_name;
+extern sh_builtin_func_t *this_shell_builtin;
+extern SHELL_VAR *this_shell_function;
+extern char *the_printed_command_except_trap;
+extern char *this_command_name;
+extern char *command_execution_string;
+extern time_t shell_start_time;
+extern int assigning_in_environment;
+extern int executing_builtin;
+
+#if defined (READLINE)
+extern int no_line_editing;
+extern int perform_hostname_completion;
+#endif
+
+/* The list of shell variables that the user has created at the global
+ scope, or that came from the environment. */
+VAR_CONTEXT *global_variables = (VAR_CONTEXT *)NULL;
+
+/* The current list of shell variables, including function scopes */
+VAR_CONTEXT *shell_variables = (VAR_CONTEXT *)NULL;
+
+/* The list of shell functions that the user has created, or that came from
+ the environment. */
+HASH_TABLE *shell_functions = (HASH_TABLE *)NULL;
+
+#if defined (DEBUGGER)
+/* The table of shell function definitions that the user defined or that
+ came from the environment. */
+HASH_TABLE *shell_function_defs = (HASH_TABLE *)NULL;
+#endif
+
+/* The current variable context. This is really a count of how deep into
+ executing functions we are. */
+int variable_context = 0;
+
+/* The set of shell assignments which are made only in the environment
+ for a single command. */
+HASH_TABLE *temporary_env = (HASH_TABLE *)NULL;
+
+/* Set to non-zero if an assignment error occurs while putting variables
+ into the temporary environment. */
+int tempenv_assign_error;
+
+/* Some funky variables which are known about specially. Here is where
+ "$*", "$1", and all the cruft is kept. */
+char *dollar_vars[10];
+WORD_LIST *rest_of_args = (WORD_LIST *)NULL;
+
+/* The value of $$. */
+pid_t dollar_dollar_pid;
+
+/* Non-zero means that we have to remake EXPORT_ENV. */
+int array_needs_making = 1;
+
+/* The number of times BASH has been executed. This is set
+ by initialize_variables (). */
+int shell_level = 0;
+
+/* An array which is passed to commands as their environment. It is
+ manufactured from the union of the initial environment and the
+ shell variables that are marked for export. */
+char **export_env = (char **)NULL;
+static int export_env_index;
+static int export_env_size;
+
+#if defined (READLINE)
+static int winsize_assignment; /* currently assigning to LINES or COLUMNS */
+static int winsize_assigned; /* assigned to LINES or COLUMNS */
+#endif
+
+/* Some forward declarations. */
+static void create_variable_tables __P((void));
+
+static void set_machine_vars __P((void));
+static void set_home_var __P((void));
+static void set_shell_var __P((void));
+static char *get_bash_name __P((void));
+static void initialize_shell_level __P((void));
+static void uidset __P((void));
+#if defined (ARRAY_VARS)
+static void make_vers_array __P((void));
+#endif
+
+static SHELL_VAR *null_assign __P((SHELL_VAR *, char *, arrayind_t, char *));
+#if defined (ARRAY_VARS)
+static SHELL_VAR *null_array_assign __P((SHELL_VAR *, char *, arrayind_t, char *));
+#endif
+static SHELL_VAR *get_self __P((SHELL_VAR *));
+
+#if defined (ARRAY_VARS)
+static SHELL_VAR *init_dynamic_array_var __P((char *, sh_var_value_func_t *, sh_var_assign_func_t *, int));
+static SHELL_VAR *init_dynamic_assoc_var __P((char *, sh_var_value_func_t *, sh_var_assign_func_t *, int));
+#endif
+
+static SHELL_VAR *assign_seconds __P((SHELL_VAR *, char *, arrayind_t, char *));
+static SHELL_VAR *get_seconds __P((SHELL_VAR *));
+static SHELL_VAR *init_seconds_var __P((void));
+
+static int brand __P((void));
+static void sbrand __P((unsigned long)); /* set bash random number generator. */
+static void seedrand __P((void)); /* seed generator randomly */
+static SHELL_VAR *assign_random __P((SHELL_VAR *, char *, arrayind_t, char *));
+static SHELL_VAR *get_random __P((SHELL_VAR *));
+
+static SHELL_VAR *assign_lineno __P((SHELL_VAR *, char *, arrayind_t, char *));
+static SHELL_VAR *get_lineno __P((SHELL_VAR *));
+
+static SHELL_VAR *assign_subshell __P((SHELL_VAR *, char *, arrayind_t, char *));
+static SHELL_VAR *get_subshell __P((SHELL_VAR *));
+
+static SHELL_VAR *get_bashpid __P((SHELL_VAR *));
+
+#if defined (HISTORY)
+static SHELL_VAR *get_histcmd __P((SHELL_VAR *));
+#endif
+
+#if defined (READLINE)
+static SHELL_VAR *get_comp_wordbreaks __P((SHELL_VAR *));
+static SHELL_VAR *assign_comp_wordbreaks __P((SHELL_VAR *, char *, arrayind_t, char *));
+#endif
+
+#if defined (PUSHD_AND_POPD) && defined (ARRAY_VARS)
+static SHELL_VAR *assign_dirstack __P((SHELL_VAR *, char *, arrayind_t, char *));
+static SHELL_VAR *get_dirstack __P((SHELL_VAR *));
+#endif
+
+#if defined (ARRAY_VARS)
+static SHELL_VAR *get_groupset __P((SHELL_VAR *));
+
+static SHELL_VAR *build_hashcmd __P((SHELL_VAR *));
+static SHELL_VAR *get_hashcmd __P((SHELL_VAR *));
+static SHELL_VAR *assign_hashcmd __P((SHELL_VAR *, char *, arrayind_t, char *));
+static SHELL_VAR *build_aliasvar __P((SHELL_VAR *));
+static SHELL_VAR *get_aliasvar __P((SHELL_VAR *));
+static SHELL_VAR *assign_aliasvar __P((SHELL_VAR *, char *, arrayind_t, char *));
+#endif
+
+static SHELL_VAR *get_funcname __P((SHELL_VAR *));
+static SHELL_VAR *init_funcname_var __P((void));
+
+static void initialize_dynamic_variables __P((void));
+
+static SHELL_VAR *hash_lookup __P((const char *, HASH_TABLE *));
+static SHELL_VAR *new_shell_variable __P((const char *));
+static SHELL_VAR *make_new_variable __P((const char *, HASH_TABLE *));
+static SHELL_VAR *bind_variable_internal __P((const char *, char *, HASH_TABLE *, int, int));
+
+static void dispose_variable_value __P((SHELL_VAR *));
+static void free_variable_hash_data __P((PTR_T));
+
+static VARLIST *vlist_alloc __P((int));
+static VARLIST *vlist_realloc __P((VARLIST *, int));
+static void vlist_add __P((VARLIST *, SHELL_VAR *, int));
+
+static void flatten __P((HASH_TABLE *, sh_var_map_func_t *, VARLIST *, int));
+
+static int qsort_var_comp __P((SHELL_VAR **, SHELL_VAR **));
+
+static SHELL_VAR **vapply __P((sh_var_map_func_t *));
+static SHELL_VAR **fapply __P((sh_var_map_func_t *));
+
+static int visible_var __P((SHELL_VAR *));
+static int visible_and_exported __P((SHELL_VAR *));
+static int local_and_exported __P((SHELL_VAR *));
+static int variable_in_context __P((SHELL_VAR *));
+#if defined (ARRAY_VARS)
+static int visible_array_vars __P((SHELL_VAR *));
+#endif
+
+static SHELL_VAR *bind_tempenv_variable __P((const char *, char *));
+static void push_temp_var __P((PTR_T));
+static void propagate_temp_var __P((PTR_T));
+static void dispose_temporary_env __P((sh_free_func_t *));
+
+static inline char *mk_env_string __P((const char *, const char *));
+static char **make_env_array_from_var_list __P((SHELL_VAR **));
+static char **make_var_export_array __P((VAR_CONTEXT *));
+static char **make_func_export_array __P((void));
+static void add_temp_array_to_env __P((char **, int, int));
+
+static int n_shell_variables __P((void));
+static int set_context __P((SHELL_VAR *));
+
+static void push_func_var __P((PTR_T));
+static void push_exported_var __P((PTR_T));
+
+static inline int find_special_var __P((const char *));
+
+static void
+create_variable_tables ()
+{
+ if (shell_variables == 0)
+ {
+ shell_variables = global_variables = new_var_context ((char *)NULL, 0);
+ shell_variables->scope = 0;
+ shell_variables->table = hash_create (0);
+ }
+
+ if (shell_functions == 0)
+ shell_functions = hash_create (0);
+
+#if defined (DEBUGGER)
+ if (shell_function_defs == 0)
+ shell_function_defs = hash_create (0);
+#endif
+}
+
+/* Initialize the shell variables from the current environment.
+ If PRIVMODE is nonzero, don't import functions from ENV or
+ parse $SHELLOPTS. */
+void
+initialize_shell_variables (env, privmode)
+ char **env;
+ int privmode;
+{
+ char *name, *string, *temp_string;
+ int c, char_index, string_index, string_length;
+ SHELL_VAR *temp_var;
+
+ create_variable_tables ();
+
+ for (string_index = 0; string = env[string_index++]; )
+ {
+ char_index = 0;
+ name = string;
+ while ((c = *string++) && c != '=')
+ ;
+ if (string[-1] == '=')
+ char_index = string - name - 1;
+
+ /* If there are weird things in the environment, like `=xxx' or a
+ string without an `=', just skip them. */
+ if (char_index == 0)
+ continue;
+
+ /* ASSERT(name[char_index] == '=') */
+ name[char_index] = '\0';
+ /* Now, name = env variable name, string = env variable value, and
+ char_index == strlen (name) */
+
+ temp_var = (SHELL_VAR *)NULL;
+
+ /* If exported function, define it now. Don't import functions from
+ the environment in privileged mode. */
+ if (privmode == 0 && read_but_dont_execute == 0 && STREQN ("() {", string, 4))
+ {
+ string_length = strlen (string);
+ temp_string = (char *)xmalloc (3 + string_length + char_index);
+
+ strcpy (temp_string, name);
+ temp_string[char_index] = ' ';
+ strcpy (temp_string + char_index + 1, string);
+
+ parse_and_execute (temp_string, name, SEVAL_NONINT|SEVAL_NOHIST);
+
+ /* Ancient backwards compatibility. Old versions of bash exported
+ functions like name()=() {...} */
+ if (name[char_index - 1] == ')' && name[char_index - 2] == '(')
+ name[char_index - 2] = '\0';
+
+ if (temp_var = find_function (name))
+ {
+ VSETATTR (temp_var, (att_exported|att_imported));
+ array_needs_making = 1;
+ }
+ else
+ report_error (_("error importing function definition for `%s'"), name);
+
+ /* ( */
+ if (name[char_index - 1] == ')' && name[char_index - 2] == '\0')
+ name[char_index - 2] = '('; /* ) */
+ }
+#if defined (ARRAY_VARS)
+# if 0
+ /* Array variables may not yet be exported. */
+ else if (*string == '(' && string[1] == '[' && string[strlen (string) - 1] == ')')
+ {
+ string_length = 1;
+ temp_string = extract_array_assignment_list (string, &string_length);
+ temp_var = assign_array_from_string (name, temp_string);
+ FREE (temp_string);
+ VSETATTR (temp_var, (att_exported | att_imported));
+ array_needs_making = 1;
+ }
+# endif
+#endif
+ else if (legal_identifier (name))
+ {
+ temp_var = bind_variable (name, string, 0);
+ VSETATTR (temp_var, (att_exported | att_imported));
+ array_needs_making = 1;
+ }
+
+ name[char_index] = '=';
+ /* temp_var can be NULL if it was an exported function with a syntax
+ error (a different bug, but it still shouldn't dump core). */
+ if (temp_var && function_p (temp_var) == 0) /* XXX not yet */
+ {
+ CACHE_IMPORTSTR (temp_var, name);
+ }
+ }
+
+ set_pwd ();
+
+ /* Set up initial value of $_ */
+ temp_var = set_if_not ("_", dollar_vars[0]);
+
+ /* Remember this pid. */
+ dollar_dollar_pid = getpid ();
+
+ /* Now make our own defaults in case the vars that we think are
+ important are missing. */
+ temp_var = set_if_not ("PATH", DEFAULT_PATH_VALUE);
+#if 0
+ set_auto_export (temp_var); /* XXX */
+#endif
+
+ temp_var = set_if_not ("TERM", "dumb");
+#if 0
+ set_auto_export (temp_var); /* XXX */
+#endif
+
+#if defined (__QNX__)
+ /* set node id -- don't import it from the environment */
+ {
+ char node_name[22];
+# if defined (__QNXNTO__)
+ netmgr_ndtostr(ND2S_LOCAL_STR, ND_LOCAL_NODE, node_name, sizeof(node_name));
+# else
+ qnx_nidtostr (getnid (), node_name, sizeof (node_name));
+# endif
+ temp_var = bind_variable ("NODE", node_name, 0);
+ set_auto_export (temp_var);
+ }
+#endif
+
+ /* set up the prompts. */
+ if (interactive_shell)
+ {
+#if defined (PROMPT_STRING_DECODE)
+ set_if_not ("PS1", primary_prompt);
+#else
+ if (current_user.uid == -1)
+ get_current_user_info ();
+ set_if_not ("PS1", current_user.euid == 0 ? "# " : primary_prompt);
+#endif
+ set_if_not ("PS2", secondary_prompt);
+ }
+ set_if_not ("PS4", "+ ");
+
+ /* Don't allow IFS to be imported from the environment. */
+ temp_var = bind_variable ("IFS", " \t\n", 0);
+ setifs (temp_var);
+
+ /* Magic machine types. Pretty convenient. */
+ set_machine_vars ();
+
+ /* Default MAILCHECK for interactive shells. Defer the creation of a
+ default MAILPATH until the startup files are read, because MAIL
+ names a mail file if MAILPATH is not set, and we should provide a
+ default only if neither is set. */
+ if (interactive_shell)
+ {
+ temp_var = set_if_not ("MAILCHECK", posixly_correct ? "600" : "60");
+ VSETATTR (temp_var, att_integer);
+ }
+
+ /* Do some things with shell level. */
+ initialize_shell_level ();
+
+ set_ppid ();
+
+ /* Initialize the `getopts' stuff. */
+ temp_var = bind_variable ("OPTIND", "1", 0);
+ VSETATTR (temp_var, att_integer);
+ getopts_reset (0);
+ bind_variable ("OPTERR", "1", 0);
+ sh_opterr = 1;
+
+ if (login_shell == 1 && posixly_correct == 0)
+ set_home_var ();
+
+ /* Get the full pathname to THIS shell, and set the BASH variable
+ to it. */
+ name = get_bash_name ();
+ temp_var = bind_variable ("BASH", name, 0);
+ free (name);
+
+ /* Make the exported environment variable SHELL be the user's login
+ shell. Note that the `tset' command looks at this variable
+ to determine what style of commands to output; if it ends in "csh",
+ then C-shell commands are output, else Bourne shell commands. */
+ set_shell_var ();
+
+ /* Make a variable called BASH_VERSION which contains the version info. */
+ bind_variable ("BASH_VERSION", shell_version_string (), 0);
+#if defined (ARRAY_VARS)
+ make_vers_array ();
+#endif
+
+ if (command_execution_string)
+ bind_variable ("BASH_EXECUTION_STRING", command_execution_string, 0);
+
+ /* Find out if we're supposed to be in Posix.2 mode via an
+ environment variable. */
+ temp_var = find_variable ("POSIXLY_CORRECT");
+ if (!temp_var)
+ temp_var = find_variable ("POSIX_PEDANTIC");
+ if (temp_var && imported_p (temp_var))
+ sv_strict_posix (temp_var->name);
+
+#if defined (HISTORY)
+ /* Set history variables to defaults, and then do whatever we would
+ do if the variable had just been set. Do this only in the case
+ that we are remembering commands on the history list. */
+ if (remember_on_history)
+ {
+ name = bash_tilde_expand (posixly_correct ? "~/.sh_history" : "~/.bash_history", 0);
+
+ set_if_not ("HISTFILE", name);
+ free (name);
+
+#if 0
+ set_if_not ("HISTSIZE", "500");
+ sv_histsize ("HISTSIZE");
+#endif
+ }
+#endif /* HISTORY */
+
+ /* Seed the random number generator. */
+ seedrand ();
+
+ /* Handle some "special" variables that we may have inherited from a
+ parent shell. */
+ if (interactive_shell)
+ {
+ temp_var = find_variable ("IGNOREEOF");
+ if (!temp_var)
+ temp_var = find_variable ("ignoreeof");
+ if (temp_var && imported_p (temp_var))
+ sv_ignoreeof (temp_var->name);
+ }
+
+#if defined (HISTORY)
+ if (interactive_shell && remember_on_history)
+ {
+ sv_history_control ("HISTCONTROL");
+ sv_histignore ("HISTIGNORE");
+ sv_histtimefmt ("HISTTIMEFORMAT");
+ }
+#endif /* HISTORY */
+
+#if defined (READLINE) && defined (STRICT_POSIX)
+ /* POSIXLY_CORRECT will only be 1 here if the shell was compiled
+ -DSTRICT_POSIX */
+ if (interactive_shell && posixly_correct && no_line_editing == 0)
+ rl_prefer_env_winsize = 1;
+#endif /* READLINE && STRICT_POSIX */
+
+ /*
+ * 24 October 2001
+ *
+ * I'm tired of the arguing and bug reports. Bash now leaves SSH_CLIENT
+ * and SSH2_CLIENT alone. I'm going to rely on the shell_level check in
+ * isnetconn() to avoid running the startup files more often than wanted.
+ * That will, of course, only work if the user's login shell is bash, so
+ * I've made that behavior conditional on SSH_SOURCE_BASHRC being defined
+ * in config-top.h.
+ */
+#if 0
+ temp_var = find_variable ("SSH_CLIENT");
+ if (temp_var && imported_p (temp_var))
+ {
+ VUNSETATTR (temp_var, att_exported);
+ array_needs_making = 1;
+ }
+ temp_var = find_variable ("SSH2_CLIENT");
+ if (temp_var && imported_p (temp_var))
+ {
+ VUNSETATTR (temp_var, att_exported);
+ array_needs_making = 1;
+ }
+#endif
+
+ /* Get the user's real and effective user ids. */
+ uidset ();
+
+ /* Initialize the dynamic variables, and seed their values. */
+ initialize_dynamic_variables ();
+}
+
+/* **************************************************************** */
+/* */
+/* Setting values for special shell variables */
+/* */
+/* **************************************************************** */
+
+static void
+set_machine_vars ()
+{
+ SHELL_VAR *temp_var;
+
+ temp_var = set_if_not ("HOSTTYPE", HOSTTYPE);
+ temp_var = set_if_not ("OSTYPE", OSTYPE);
+ temp_var = set_if_not ("MACHTYPE", MACHTYPE);
+
+ temp_var = set_if_not ("HOSTNAME", current_host_name);
+}
+
+/* Set $HOME to the information in the password file if we didn't get
+ it from the environment. */
+
+/* This function is not static so the tilde and readline libraries can
+ use it. */
+char *
+sh_get_home_dir ()
+{
+ if (current_user.home_dir == 0)
+ get_current_user_info ();
+ return current_user.home_dir;
+}
+
+static void
+set_home_var ()
+{
+ SHELL_VAR *temp_var;
+
+ temp_var = find_variable ("HOME");
+ if (temp_var == 0)
+ temp_var = bind_variable ("HOME", sh_get_home_dir (), 0);
+#if 0
+ VSETATTR (temp_var, att_exported);
+#endif
+}
+
+/* Set $SHELL to the user's login shell if it is not already set. Call
+ get_current_user_info if we haven't already fetched the shell. */
+static void
+set_shell_var ()
+{
+ SHELL_VAR *temp_var;
+
+ temp_var = find_variable ("SHELL");
+ if (temp_var == 0)
+ {
+ if (current_user.shell == 0)
+ get_current_user_info ();
+ temp_var = bind_variable ("SHELL", current_user.shell, 0);
+ }
+#if 0
+ VSETATTR (temp_var, att_exported);
+#endif
+}
+
+static char *
+get_bash_name ()
+{
+ char *name;
+
+ if ((login_shell == 1) && RELPATH(shell_name))
+ {
+ if (current_user.shell == 0)
+ get_current_user_info ();
+ name = savestring (current_user.shell);
+ }
+ else if (ABSPATH(shell_name))
+ name = savestring (shell_name);
+ else if (shell_name[0] == '.' && shell_name[1] == '/')
+ {
+ /* Fast path for common case. */
+ char *cdir;
+ int len;
+
+ cdir = get_string_value ("PWD");
+ if (cdir)
+ {
+ len = strlen (cdir);
+ name = (char *)xmalloc (len + strlen (shell_name) + 1);
+ strcpy (name, cdir);
+ strcpy (name + len, shell_name + 1);
+ }
+ else
+ name = savestring (shell_name);
+ }
+ else
+ {
+ char *tname;
+ int s;
+
+ tname = find_user_command (shell_name);
+
+ if (tname == 0)
+ {
+ /* Try the current directory. If there is not an executable
+ there, just punt and use the login shell. */
+ s = file_status (shell_name);
+ if (s & FS_EXECABLE)
+ {
+ tname = make_absolute (shell_name, get_string_value ("PWD"));
+ if (*shell_name == '.')
+ {
+ name = sh_canonpath (tname, PATH_CHECKDOTDOT|PATH_CHECKEXISTS);
+ if (name == 0)
+ name = tname;
+ else
+ free (tname);
+ }
+ else
+ name = tname;
+ }
+ else
+ {
+ if (current_user.shell == 0)
+ get_current_user_info ();
+ name = savestring (current_user.shell);
+ }
+ }
+ else
+ {
+ name = full_pathname (tname);
+ free (tname);
+ }
+ }
+
+ return (name);
+}
+
+void
+adjust_shell_level (change)
+ int change;
+{
+ char new_level[5], *old_SHLVL;
+ intmax_t old_level;
+ SHELL_VAR *temp_var;
+
+ old_SHLVL = get_string_value ("SHLVL");
+ if (old_SHLVL == 0 || *old_SHLVL == '\0' || legal_number (old_SHLVL, &old_level) == 0)
+ old_level = 0;
+
+ shell_level = old_level + change;
+ if (shell_level < 0)
+ shell_level = 0;
+ else if (shell_level > 1000)
+ {
+ internal_warning (_("shell level (%d) too high, resetting to 1"), shell_level);
+ shell_level = 1;
+ }
+
+ /* We don't need the full generality of itos here. */
+ if (shell_level < 10)
+ {
+ new_level[0] = shell_level + '0';
+ new_level[1] = '\0';
+ }
+ else if (shell_level < 100)
+ {
+ new_level[0] = (shell_level / 10) + '0';
+ new_level[1] = (shell_level % 10) + '0';
+ new_level[2] = '\0';
+ }
+ else if (shell_level < 1000)
+ {
+ new_level[0] = (shell_level / 100) + '0';
+ old_level = shell_level % 100;
+ new_level[1] = (old_level / 10) + '0';
+ new_level[2] = (old_level % 10) + '0';
+ new_level[3] = '\0';
+ }
+
+ temp_var = bind_variable ("SHLVL", new_level, 0);
+ set_auto_export (temp_var);
+}
+
+static void
+initialize_shell_level ()
+{
+ adjust_shell_level (1);
+}
+
+/* If we got PWD from the environment, update our idea of the current
+ working directory. In any case, make sure that PWD exists before
+ checking it. It is possible for getcwd () to fail on shell startup,
+ and in that case, PWD would be undefined. If this is an interactive
+ login shell, see if $HOME is the current working directory, and if
+ that's not the same string as $PWD, set PWD=$HOME. */
+
+void
+set_pwd ()
+{
+ SHELL_VAR *temp_var, *home_var;
+ char *temp_string, *home_string;
+
+ home_var = find_variable ("HOME");
+ home_string = home_var ? value_cell (home_var) : (char *)NULL;
+
+ temp_var = find_variable ("PWD");
+ if (temp_var && imported_p (temp_var) &&
+ (temp_string = value_cell (temp_var)) &&
+ same_file (temp_string, ".", (struct stat *)NULL, (struct stat *)NULL))
+ set_working_directory (temp_string);
+ else if (home_string && interactive_shell && login_shell &&
+ same_file (home_string, ".", (struct stat *)NULL, (struct stat *)NULL))
+ {
+ set_working_directory (home_string);
+ temp_var = bind_variable ("PWD", home_string, 0);
+ set_auto_export (temp_var);
+ }
+ else
+ {
+ temp_string = get_working_directory ("shell-init");
+ if (temp_string)
+ {
+ temp_var = bind_variable ("PWD", temp_string, 0);
+ set_auto_export (temp_var);
+ free (temp_string);
+ }
+ }
+
+ /* According to the Single Unix Specification, v2, $OLDPWD is an
+ `environment variable' and therefore should be auto-exported.
+ Make a dummy invisible variable for OLDPWD, and mark it as exported. */
+ temp_var = bind_variable ("OLDPWD", (char *)NULL, 0);
+ VSETATTR (temp_var, (att_exported | att_invisible));
+}
+
+/* Make a variable $PPID, which holds the pid of the shell's parent. */
+void
+set_ppid ()
+{
+ char namebuf[INT_STRLEN_BOUND(pid_t) + 1], *name;
+ SHELL_VAR *temp_var;
+
+ name = inttostr (getppid (), namebuf, sizeof(namebuf));
+ temp_var = find_variable ("PPID");
+ if (temp_var)
+ VUNSETATTR (temp_var, (att_readonly | att_exported));
+ temp_var = bind_variable ("PPID", name, 0);
+ VSETATTR (temp_var, (att_readonly | att_integer));
+}
+
+static void
+uidset ()
+{
+ char buff[INT_STRLEN_BOUND(uid_t) + 1], *b;
+ register SHELL_VAR *v;
+
+ b = inttostr (current_user.uid, buff, sizeof (buff));
+ v = find_variable ("UID");
+ if (v == 0)
+ {
+ v = bind_variable ("UID", b, 0);
+ VSETATTR (v, (att_readonly | att_integer));
+ }
+
+ if (current_user.euid != current_user.uid)
+ b = inttostr (current_user.euid, buff, sizeof (buff));
+
+ v = find_variable ("EUID");
+ if (v == 0)
+ {
+ v = bind_variable ("EUID", b, 0);
+ VSETATTR (v, (att_readonly | att_integer));
+ }
+}
+
+#if defined (ARRAY_VARS)
+static void
+make_vers_array ()
+{
+ SHELL_VAR *vv;
+ ARRAY *av;
+ char *s, d[32], b[INT_STRLEN_BOUND(int) + 1];
+
+ unbind_variable ("BASH_VERSINFO");
+
+ vv = make_new_array_variable ("BASH_VERSINFO");
+ av = array_cell (vv);
+ strcpy (d, dist_version);
+ s = xstrchr (d, '.');
+ if (s)
+ *s++ = '\0';
+ array_insert (av, 0, d);
+ array_insert (av, 1, s);
+ s = inttostr (patch_level, b, sizeof (b));
+ array_insert (av, 2, s);
+ s = inttostr (build_version, b, sizeof (b));
+ array_insert (av, 3, s);
+ array_insert (av, 4, release_status);
+ array_insert (av, 5, MACHTYPE);
+
+ VSETATTR (vv, att_readonly);
+}
+#endif /* ARRAY_VARS */
+
+/* Set the environment variables $LINES and $COLUMNS in response to
+ a window size change. */
+void
+sh_set_lines_and_columns (lines, cols)
+ int lines, cols;
+{
+ char val[INT_STRLEN_BOUND(int) + 1], *v;
+
+#if defined (READLINE)
+ /* If we are currently assigning to LINES or COLUMNS, don't do anything. */
+ if (winsize_assignment)
+ return;
+#endif
+
+ v = inttostr (lines, val, sizeof (val));
+ bind_variable ("LINES", v, 0);
+
+ v = inttostr (cols, val, sizeof (val));
+ bind_variable ("COLUMNS", v, 0);
+}
+
+/* **************************************************************** */
+/* */
+/* Printing variables and values */
+/* */
+/* **************************************************************** */
+
+/* Print LIST (a list of shell variables) to stdout in such a way that
+ they can be read back in. */
+void
+print_var_list (list)
+ register SHELL_VAR **list;
+{
+ register int i;
+ register SHELL_VAR *var;
+
+ for (i = 0; list && (var = list[i]); i++)
+ if (invisible_p (var) == 0)
+ print_assignment (var);
+}
+
+/* Print LIST (a list of shell functions) to stdout in such a way that
+ they can be read back in. */
+void
+print_func_list (list)
+ register SHELL_VAR **list;
+{
+ register int i;
+ register SHELL_VAR *var;
+
+ for (i = 0; list && (var = list[i]); i++)
+ {
+ printf ("%s ", var->name);
+ print_var_function (var);
+ printf ("\n");
+ }
+}
+
+/* Print the value of a single SHELL_VAR. No newline is
+ output, but the variable is printed in such a way that
+ it can be read back in. */
+void
+print_assignment (var)
+ SHELL_VAR *var;
+{
+ if (var_isset (var) == 0)
+ return;
+
+ if (function_p (var))
+ {
+ printf ("%s", var->name);
+ print_var_function (var);
+ printf ("\n");
+ }
+#if defined (ARRAY_VARS)
+ else if (array_p (var))
+ print_array_assignment (var, 0);
+ else if (assoc_p (var))
+ print_assoc_assignment (var, 0);
+#endif /* ARRAY_VARS */
+ else
+ {
+ printf ("%s=", var->name);
+ print_var_value (var, 1);
+ printf ("\n");
+ }
+}
+
+/* Print the value cell of VAR, a shell variable. Do not print
+ the name, nor leading/trailing newline. If QUOTE is non-zero,
+ and the value contains shell metacharacters, quote the value
+ in such a way that it can be read back in. */
+void
+print_var_value (var, quote)
+ SHELL_VAR *var;
+ int quote;
+{
+ char *t;
+
+ if (var_isset (var) == 0)
+ return;
+
+ if (quote && posixly_correct == 0 && ansic_shouldquote (value_cell (var)))
+ {
+ t = ansic_quote (value_cell (var), 0, (int *)0);
+ printf ("%s", t);
+ free (t);
+ }
+ else if (quote && sh_contains_shell_metas (value_cell (var)))
+ {
+ t = sh_single_quote (value_cell (var));
+ printf ("%s", t);
+ free (t);
+ }
+ else
+ printf ("%s", value_cell (var));
+}
+
+/* Print the function cell of VAR, a shell variable. Do not
+ print the name, nor leading/trailing newline. */
+void
+print_var_function (var)
+ SHELL_VAR *var;
+{
+ char *x;
+
+ if (function_p (var) && var_isset (var))
+ {
+ x = named_function_string ((char *)NULL, function_cell(var), FUNC_MULTILINE|FUNC_EXTERNAL);
+ printf ("%s", x);
+ }
+}
+
+/* **************************************************************** */
+/* */
+/* Dynamic Variables */
+/* */
+/* **************************************************************** */
+
+/* DYNAMIC VARIABLES
+
+ These are variables whose values are generated anew each time they are
+ referenced. These are implemented using a pair of function pointers
+ in the struct variable: assign_func, which is called from bind_variable
+ and, if arrays are compiled into the shell, some of the functions in
+ arrayfunc.c, and dynamic_value, which is called from find_variable.
+
+ assign_func is called from bind_variable_internal, if
+ bind_variable_internal discovers that the variable being assigned to
+ has such a function. The function is called as
+ SHELL_VAR *temp = (*(entry->assign_func)) (entry, value, ind)
+ and the (SHELL_VAR *)temp is returned as the value of bind_variable. It
+ is usually ENTRY (self). IND is an index for an array variable, and
+ unused otherwise.
+
+ dynamic_value is called from find_variable_internal to return a `new'
+ value for the specified dynamic varible. If this function is NULL,
+ the variable is treated as a `normal' shell variable. If it is not,
+ however, then this function is called like this:
+ tempvar = (*(var->dynamic_value)) (var);
+
+ Sometimes `tempvar' will replace the value of `var'. Other times, the
+ shell will simply use the string value. Pretty object-oriented, huh?
+
+ Be warned, though: if you `unset' a special variable, it loses its
+ special meaning, even if you subsequently set it.
+
+ The special assignment code would probably have been better put in
+ subst.c: do_assignment_internal, in the same style as
+ stupidly_hack_special_variables, but I wanted the changes as
+ localized as possible. */
+
+#define INIT_DYNAMIC_VAR(var, val, gfunc, afunc) \
+ do \
+ { \
+ v = bind_variable (var, (val), 0); \
+ v->dynamic_value = gfunc; \
+ v->assign_func = afunc; \
+ } \
+ while (0)
+
+#define INIT_DYNAMIC_ARRAY_VAR(var, gfunc, afunc) \
+ do \
+ { \
+ v = make_new_array_variable (var); \
+ v->dynamic_value = gfunc; \
+ v->assign_func = afunc; \
+ } \
+ while (0)
+
+#define INIT_DYNAMIC_ASSOC_VAR(var, gfunc, afunc) \
+ do \
+ { \
+ v = make_new_assoc_variable (var); \
+ v->dynamic_value = gfunc; \
+ v->assign_func = afunc; \
+ } \
+ while (0)
+
+static SHELL_VAR *
+null_assign (self, value, unused, key)
+ SHELL_VAR *self;
+ char *value;
+ arrayind_t unused;
+ char *key;
+{
+ return (self);
+}
+
+#if defined (ARRAY_VARS)
+static SHELL_VAR *
+null_array_assign (self, value, ind, key)
+ SHELL_VAR *self;
+ char *value;
+ arrayind_t ind;
+ char *key;
+{
+ return (self);
+}
+#endif
+
+/* Degenerate `dynamic_value' function; just returns what's passed without
+ manipulation. */
+static SHELL_VAR *
+get_self (self)
+ SHELL_VAR *self;
+{
+ return (self);
+}
+
+#if defined (ARRAY_VARS)
+/* A generic dynamic array variable initializer. Intialize array variable
+ NAME with dynamic value function GETFUNC and assignment function SETFUNC. */
+static SHELL_VAR *
+init_dynamic_array_var (name, getfunc, setfunc, attrs)
+ char *name;
+ sh_var_value_func_t *getfunc;
+ sh_var_assign_func_t *setfunc;
+ int attrs;
+{
+ SHELL_VAR *v;
+
+ v = find_variable (name);
+ if (v)
+ return (v);
+ INIT_DYNAMIC_ARRAY_VAR (name, getfunc, setfunc);
+ if (attrs)
+ VSETATTR (v, attrs);
+ return v;
+}
+
+static SHELL_VAR *
+init_dynamic_assoc_var (name, getfunc, setfunc, attrs)
+ char *name;
+ sh_var_value_func_t *getfunc;
+ sh_var_assign_func_t *setfunc;
+ int attrs;
+{
+ SHELL_VAR *v;
+
+ v = find_variable (name);
+ if (v)
+ return (v);
+ INIT_DYNAMIC_ASSOC_VAR (name, getfunc, setfunc);
+ if (attrs)
+ VSETATTR (v, attrs);
+ return v;
+}
+#endif
+
+/* The value of $SECONDS. This is the number of seconds since shell
+ invocation, or, the number of seconds since the last assignment + the
+ value of the last assignment. */
+static intmax_t seconds_value_assigned;
+
+static SHELL_VAR *
+assign_seconds (self, value, unused, key)
+ SHELL_VAR *self;
+ char *value;
+ arrayind_t unused;
+ char *key;
+{
+ if (legal_number (value, &seconds_value_assigned) == 0)
+ seconds_value_assigned = 0;
+ shell_start_time = NOW;
+ return (self);
+}
+
+static SHELL_VAR *
+get_seconds (var)
+ SHELL_VAR *var;
+{
+ time_t time_since_start;
+ char *p;
+
+ time_since_start = NOW - shell_start_time;
+ p = itos(seconds_value_assigned + time_since_start);
+
+ FREE (value_cell (var));
+
+ VSETATTR (var, att_integer);
+ var_setvalue (var, p);
+ return (var);
+}
+
+static SHELL_VAR *
+init_seconds_var ()
+{
+ SHELL_VAR *v;
+
+ v = find_variable ("SECONDS");
+ if (v)
+ {
+ if (legal_number (value_cell(v), &seconds_value_assigned) == 0)
+ seconds_value_assigned = 0;
+ }
+ INIT_DYNAMIC_VAR ("SECONDS", (v ? value_cell (v) : (char *)NULL), get_seconds, assign_seconds);
+ return v;
+}
+
+/* The random number seed. You can change this by setting RANDOM. */
+static unsigned long rseed = 1;
+static int last_random_value;
+static int seeded_subshell = 0;
+
+/* A linear congruential random number generator based on the example
+ one in the ANSI C standard. This one isn't very good, but a more
+ complicated one is overkill. */
+
+/* Returns a pseudo-random number between 0 and 32767. */
+static int
+brand ()
+{
+#if 0
+ rseed = rseed * 1103515245 + 12345;
+ return ((unsigned int)((rseed >> 16) & 32767)); /* was % 32768 */
+#else
+ /* From "Random number generators: good ones are hard to find",
+ Park and Miller, Communications of the ACM, vol. 31, no. 10,
+ October 1988, p. 1195. filtered through FreeBSD */
+ long h, l;
+
+ if (rseed == 0)
+ seedrand ();
+ h = rseed / 127773;
+ l = rseed % 127773;
+ rseed = 16807 * l - 2836 * h;
+#if 0
+ if (rseed < 0)
+ rseed += 0x7fffffff;
+#endif
+ return ((unsigned int)(rseed & 32767)); /* was % 32768 */
+#endif
+}
+
+/* Set the random number generator seed to SEED. */
+static void
+sbrand (seed)
+ unsigned long seed;
+{
+ rseed = seed;
+ last_random_value = 0;
+}
+
+static void
+seedrand ()
+{
+ struct timeval tv;
+
+ gettimeofday (&tv, NULL);
+ sbrand (tv.tv_sec ^ tv.tv_usec ^ getpid ());
+}
+
+static SHELL_VAR *
+assign_random (self, value, unused, key)
+ SHELL_VAR *self;
+ char *value;
+ arrayind_t unused;
+ char *key;
+{
+ sbrand (strtoul (value, (char **)NULL, 10));
+ if (subshell_environment)
+ seeded_subshell = getpid ();
+ return (self);
+}
+
+int
+get_random_number ()
+{
+ int rv, pid;
+
+ /* Reset for command and process substitution. */
+ pid = getpid ();
+ if (subshell_environment && seeded_subshell != pid)
+ {
+ seedrand ();
+ seeded_subshell = pid;
+ }
+
+ do
+ rv = brand ();
+ while (rv == last_random_value);
+ return rv;
+}
+
+static SHELL_VAR *
+get_random (var)
+ SHELL_VAR *var;
+{
+ int rv;
+ char *p;
+
+ rv = get_random_number ();
+ last_random_value = rv;
+ p = itos (rv);
+
+ FREE (value_cell (var));
+
+ VSETATTR (var, att_integer);
+ var_setvalue (var, p);
+ return (var);
+}
+
+static SHELL_VAR *
+assign_lineno (var, value, unused, key)
+ SHELL_VAR *var;
+ char *value;
+ arrayind_t unused;
+ char *key;
+{
+ intmax_t new_value;
+
+ if (value == 0 || *value == '\0' || legal_number (value, &new_value) == 0)
+ new_value = 0;
+ line_number = new_value;
+ return var;
+}
+
+/* Function which returns the current line number. */
+static SHELL_VAR *
+get_lineno (var)
+ SHELL_VAR *var;
+{
+ char *p;
+ int ln;
+
+ ln = executing_line_number ();
+ p = itos (ln);
+ FREE (value_cell (var));
+ var_setvalue (var, p);
+ return (var);
+}
+
+static SHELL_VAR *
+assign_subshell (var, value, unused, key)
+ SHELL_VAR *var;
+ char *value;
+ arrayind_t unused;
+ char *key;
+{
+ intmax_t new_value;
+
+ if (value == 0 || *value == '\0' || legal_number (value, &new_value) == 0)
+ new_value = 0;
+ subshell_level = new_value;
+ return var;
+}
+
+static SHELL_VAR *
+get_subshell (var)
+ SHELL_VAR *var;
+{
+ char *p;
+
+ p = itos (subshell_level);
+ FREE (value_cell (var));
+ var_setvalue (var, p);
+ return (var);
+}
+
+static SHELL_VAR *
+get_bashpid (var)
+ SHELL_VAR *var;
+{
+ int pid;
+ char *p;
+
+ pid = getpid ();
+ p = itos (pid);
+
+ FREE (value_cell (var));
+ VSETATTR (var, att_integer|att_readonly);
+ var_setvalue (var, p);
+ return (var);
+}
+
+static SHELL_VAR *
+get_bash_command (var)
+ SHELL_VAR *var;
+{
+ char *p;
+
+ if (the_printed_command_except_trap)
+ p = savestring (the_printed_command_except_trap);
+ else
+ {
+ p = (char *)xmalloc (1);
+ p[0] = '\0';
+ }
+ FREE (value_cell (var));
+ var_setvalue (var, p);
+ return (var);
+}
+
+#if defined (HISTORY)
+static SHELL_VAR *
+get_histcmd (var)
+ SHELL_VAR *var;
+{
+ char *p;
+
+ p = itos (history_number ());
+ FREE (value_cell (var));
+ var_setvalue (var, p);
+ return (var);
+}
+#endif
+
+#if defined (READLINE)
+/* When this function returns, VAR->value points to malloced memory. */
+static SHELL_VAR *
+get_comp_wordbreaks (var)
+ SHELL_VAR *var;
+{
+ /* If we don't have anything yet, assign a default value. */
+ if (rl_completer_word_break_characters == 0 && bash_readline_initialized == 0)
+ enable_hostname_completion (perform_hostname_completion);
+
+ FREE (value_cell (var));
+ var_setvalue (var, savestring (rl_completer_word_break_characters));
+
+ return (var);
+}
+
+/* When this function returns, rl_completer_word_break_characters points to
+ malloced memory. */
+static SHELL_VAR *
+assign_comp_wordbreaks (self, value, unused, key)
+ SHELL_VAR *self;
+ char *value;
+ arrayind_t unused;
+ char *key;
+{
+ if (rl_completer_word_break_characters &&
+ rl_completer_word_break_characters != rl_basic_word_break_characters)
+ free (rl_completer_word_break_characters);
+
+ rl_completer_word_break_characters = savestring (value);
+ return self;
+}
+#endif /* READLINE */
+
+#if defined (PUSHD_AND_POPD) && defined (ARRAY_VARS)
+static SHELL_VAR *
+assign_dirstack (self, value, ind, key)
+ SHELL_VAR *self;
+ char *value;
+ arrayind_t ind;
+ char *key;
+{
+ set_dirstack_element (ind, 1, value);
+ return self;
+}
+
+static SHELL_VAR *
+get_dirstack (self)
+ SHELL_VAR *self;
+{
+ ARRAY *a;
+ WORD_LIST *l;
+
+ l = get_directory_stack (0);
+ a = array_from_word_list (l);
+ array_dispose (array_cell (self));
+ dispose_words (l);
+ var_setarray (self, a);
+ return self;
+}
+#endif /* PUSHD AND POPD && ARRAY_VARS */
+
+#if defined (ARRAY_VARS)
+/* We don't want to initialize the group set with a call to getgroups()
+ unless we're asked to, but we only want to do it once. */
+static SHELL_VAR *
+get_groupset (self)
+ SHELL_VAR *self;
+{
+ register int i;
+ int ng;
+ ARRAY *a;
+ static char **group_set = (char **)NULL;
+
+ if (group_set == 0)
+ {
+ group_set = get_group_list (&ng);
+ a = array_cell (self);
+ for (i = 0; i < ng; i++)
+ array_insert (a, i, group_set[i]);
+ }
+ return (self);
+}
+
+static SHELL_VAR *
+build_hashcmd (self)
+ SHELL_VAR *self;
+{
+ HASH_TABLE *h;
+ int i;
+ char *k, *v;
+ BUCKET_CONTENTS *item;
+
+ h = assoc_cell (self);
+ if (h)
+ assoc_dispose (h);
+
+ if (hashed_filenames == 0 || HASH_ENTRIES (hashed_filenames) == 0)
+ {
+ var_setvalue (self, (char *)NULL);
+ return self;
+ }
+
+ h = assoc_create (hashed_filenames->nbuckets);
+ for (i = 0; i < hashed_filenames->nbuckets; i++)
+ {
+ for (item = hash_items (i, hashed_filenames); item; item = item->next)
+ {
+ k = savestring (item->key);
+ v = pathdata(item)->path;
+ assoc_insert (h, k, v);
+ }
+ }
+
+ var_setvalue (self, (char *)h);
+ return self;
+}
+
+static SHELL_VAR *
+get_hashcmd (self)
+ SHELL_VAR *self;
+{
+ build_hashcmd (self);
+ return (self);
+}
+
+static SHELL_VAR *
+assign_hashcmd (self, value, ind, key)
+ SHELL_VAR *self;
+ char *value;
+ arrayind_t ind;
+ char *key;
+{
+ phash_insert (key, value, 0, 0);
+ return (build_hashcmd (self));
+}
+
+static SHELL_VAR *
+build_aliasvar (self)
+ SHELL_VAR *self;
+{
+ HASH_TABLE *h;
+ int i;
+ char *k, *v;
+ BUCKET_CONTENTS *item;
+
+ h = assoc_cell (self);
+ if (h)
+ assoc_dispose (h);
+
+ if (aliases == 0 || HASH_ENTRIES (aliases) == 0)
+ {
+ var_setvalue (self, (char *)NULL);
+ return self;
+ }
+
+ h = assoc_create (aliases->nbuckets);
+ for (i = 0; i < aliases->nbuckets; i++)
+ {
+ for (item = hash_items (i, aliases); item; item = item->next)
+ {
+ k = savestring (item->key);
+ v = ((alias_t *)(item->data))->value;
+ assoc_insert (h, k, v);
+ }
+ }
+
+ var_setvalue (self, (char *)h);
+ return self;
+}
+
+static SHELL_VAR *
+get_aliasvar (self)
+ SHELL_VAR *self;
+{
+ build_aliasvar (self);
+ return (self);
+}
+
+static SHELL_VAR *
+assign_aliasvar (self, value, ind, key)
+ SHELL_VAR *self;
+ char *value;
+ arrayind_t ind;
+ char *key;
+{
+ add_alias (key, value);
+ return (build_aliasvar (self));
+}
+#endif /* ARRAY_VARS */
+
+/* If ARRAY_VARS is not defined, this just returns the name of any
+ currently-executing function. If we have arrays, it's a call stack. */
+static SHELL_VAR *
+get_funcname (self)
+ SHELL_VAR *self;
+{
+#if ! defined (ARRAY_VARS)
+ char *t;
+ if (variable_context && this_shell_function)
+ {
+ FREE (value_cell (self));
+ t = savestring (this_shell_function->name);
+ var_setvalue (self, t);
+ }
+#endif
+ return (self);
+}
+
+void
+make_funcname_visible (on_or_off)
+ int on_or_off;
+{
+ SHELL_VAR *v;
+
+ v = find_variable ("FUNCNAME");
+ if (v == 0 || v->dynamic_value == 0)
+ return;
+
+ if (on_or_off)
+ VUNSETATTR (v, att_invisible);
+ else
+ VSETATTR (v, att_invisible);
+}
+
+static SHELL_VAR *
+init_funcname_var ()
+{
+ SHELL_VAR *v;
+
+ v = find_variable ("FUNCNAME");
+ if (v)
+ return v;
+#if defined (ARRAY_VARS)
+ INIT_DYNAMIC_ARRAY_VAR ("FUNCNAME", get_funcname, null_array_assign);
+#else
+ INIT_DYNAMIC_VAR ("FUNCNAME", (char *)NULL, get_funcname, null_assign);
+#endif
+ VSETATTR (v, att_invisible|att_noassign);
+ return v;
+}
+
+static void
+initialize_dynamic_variables ()
+{
+ SHELL_VAR *v;
+
+ v = init_seconds_var ();
+
+ INIT_DYNAMIC_VAR ("BASH_COMMAND", (char *)NULL, get_bash_command, (sh_var_assign_func_t *)NULL);
+ INIT_DYNAMIC_VAR ("BASH_SUBSHELL", (char *)NULL, get_subshell, assign_subshell);
+
+ INIT_DYNAMIC_VAR ("RANDOM", (char *)NULL, get_random, assign_random);
+ VSETATTR (v, att_integer);
+ INIT_DYNAMIC_VAR ("LINENO", (char *)NULL, get_lineno, assign_lineno);
+ VSETATTR (v, att_integer);
+
+ INIT_DYNAMIC_VAR ("BASHPID", (char *)NULL, get_bashpid, null_assign);
+ VSETATTR (v, att_integer|att_readonly);
+
+#if defined (HISTORY)
+ INIT_DYNAMIC_VAR ("HISTCMD", (char *)NULL, get_histcmd, (sh_var_assign_func_t *)NULL);
+ VSETATTR (v, att_integer);
+#endif
+
+#if defined (READLINE)
+ INIT_DYNAMIC_VAR ("COMP_WORDBREAKS", (char *)NULL, get_comp_wordbreaks, assign_comp_wordbreaks);
+#endif
+
+#if defined (PUSHD_AND_POPD) && defined (ARRAY_VARS)
+ v = init_dynamic_array_var ("DIRSTACK", get_dirstack, assign_dirstack, 0);
+#endif /* PUSHD_AND_POPD && ARRAY_VARS */
+
+#if defined (ARRAY_VARS)
+ v = init_dynamic_array_var ("GROUPS", get_groupset, null_array_assign, att_noassign);
+
+# if defined (DEBUGGER)
+ v = init_dynamic_array_var ("BASH_ARGC", get_self, null_array_assign, att_noassign|att_nounset);
+ v = init_dynamic_array_var ("BASH_ARGV", get_self, null_array_assign, att_noassign|att_nounset);
+# endif /* DEBUGGER */
+ v = init_dynamic_array_var ("BASH_SOURCE", get_self, null_array_assign, att_noassign|att_nounset);
+ v = init_dynamic_array_var ("BASH_LINENO", get_self, null_array_assign, att_noassign|att_nounset);
+
+ v = init_dynamic_assoc_var ("BASH_CMDS", get_hashcmd, assign_hashcmd, att_nofree);
+ v = init_dynamic_assoc_var ("BASH_ALIASES", get_aliasvar, assign_aliasvar, att_nofree);
+#endif
+
+ v = init_funcname_var ();
+}
+
+/* **************************************************************** */
+/* */
+/* Retrieving variables and values */
+/* */
+/* **************************************************************** */
+
+/* How to get a pointer to the shell variable or function named NAME.
+ HASHED_VARS is a pointer to the hash table containing the list
+ of interest (either variables or functions). */
+
+static SHELL_VAR *
+hash_lookup (name, hashed_vars)
+ const char *name;
+ HASH_TABLE *hashed_vars;
+{
+ BUCKET_CONTENTS *bucket;
+
+ bucket = hash_search (name, hashed_vars, 0);
+ return (bucket ? (SHELL_VAR *)bucket->data : (SHELL_VAR *)NULL);
+}
+
+SHELL_VAR *
+var_lookup (name, vcontext)
+ const char *name;
+ VAR_CONTEXT *vcontext;
+{
+ VAR_CONTEXT *vc;
+ SHELL_VAR *v;
+
+ v = (SHELL_VAR *)NULL;
+ for (vc = vcontext; vc; vc = vc->down)
+ if (v = hash_lookup (name, vc->table))
+ break;
+
+ return v;
+}
+
+/* Look up the variable entry named NAME. If SEARCH_TEMPENV is non-zero,
+ then also search the temporarily built list of exported variables.
+ The lookup order is:
+ temporary_env
+ shell_variables list
+*/
+
+SHELL_VAR *
+find_variable_internal (name, force_tempenv)
+ const char *name;
+ int force_tempenv;
+{
+ SHELL_VAR *var;
+ int search_tempenv;
+
+ var = (SHELL_VAR *)NULL;
+
+ /* If explicitly requested, first look in the temporary environment for
+ the variable. This allows constructs such as "foo=x eval 'echo $foo'"
+ to get the `exported' value of $foo. This happens if we are executing
+ a function or builtin, or if we are looking up a variable in a
+ "subshell environment". */
+ search_tempenv = force_tempenv || (expanding_redir == 0 && subshell_environment);
+
+ if (search_tempenv && temporary_env)
+ var = hash_lookup (name, temporary_env);
+
+ if (var == 0)
+ var = var_lookup (name, shell_variables);
+
+ if (var == 0)
+ return ((SHELL_VAR *)NULL);
+
+ return (var->dynamic_value ? (*(var->dynamic_value)) (var) : var);
+}
+
+/* Look up the variable entry named NAME. Returns the entry or NULL. */
+SHELL_VAR *
+find_variable (name)
+ const char *name;
+{
+ return (find_variable_internal (name, (expanding_redir == 0 && (assigning_in_environment || executing_builtin))));
+}
+
+/* Look up the function entry whose name matches STRING.
+ Returns the entry or NULL. */
+SHELL_VAR *
+find_function (name)
+ const char *name;
+{
+ return (hash_lookup (name, shell_functions));
+}
+
+/* Find the function definition for the shell function named NAME. Returns
+ the entry or NULL. */
+FUNCTION_DEF *
+find_function_def (name)
+ const char *name;
+{
+#if defined (DEBUGGER)
+ return ((FUNCTION_DEF *)hash_lookup (name, shell_function_defs));
+#else
+ return ((FUNCTION_DEF *)0);
+#endif
+}
+
+/* Return the value of VAR. VAR is assumed to have been the result of a
+ lookup without any subscript, if arrays are compiled into the shell. */
+char *
+get_variable_value (var)
+ SHELL_VAR *var;
+{
+ if (var == 0)
+ return ((char *)NULL);
+#if defined (ARRAY_VARS)
+ else if (array_p (var))
+ return (array_reference (array_cell (var), 0));
+ else if (assoc_p (var))
+ return (assoc_reference (assoc_cell (var), "0"));
+#endif
+ else
+ return (value_cell (var));
+}
+
+/* Return the string value of a variable. Return NULL if the variable
+ doesn't exist. Don't cons a new string. This is a potential memory
+ leak if the variable is found in the temporary environment. Since
+ functions and variables have separate name spaces, returns NULL if
+ var_name is a shell function only. */
+char *
+get_string_value (var_name)
+ const char *var_name;
+{
+ SHELL_VAR *var;
+
+ var = find_variable (var_name);
+ return ((var) ? get_variable_value (var) : (char *)NULL);
+}
+
+/* This is present for use by the tilde and readline libraries. */
+char *
+sh_get_env_value (v)
+ const char *v;
+{
+ return get_string_value (v);
+}
+
+/* **************************************************************** */
+/* */
+/* Creating and setting variables */
+/* */
+/* **************************************************************** */
+
+/* Set NAME to VALUE if NAME has no value. */
+SHELL_VAR *
+set_if_not (name, value)
+ char *name, *value;
+{
+ SHELL_VAR *v;
+
+ if (shell_variables == 0)
+ create_variable_tables ();
+
+ v = find_variable (name);
+ if (v == 0)
+ v = bind_variable_internal (name, value, global_variables->table, HASH_NOSRCH, 0);
+ return (v);
+}
+
+/* Create a local variable referenced by NAME. */
+SHELL_VAR *
+make_local_variable (name)
+ const char *name;
+{
+ SHELL_VAR *new_var, *old_var;
+ VAR_CONTEXT *vc;
+ int was_tmpvar;
+ char *tmp_value;
+
+ /* local foo; local foo; is a no-op. */
+ old_var = find_variable (name);
+ if (old_var && local_p (old_var) && old_var->context == variable_context)
+ {
+ VUNSETATTR (old_var, att_invisible);
+ return (old_var);
+ }
+
+ was_tmpvar = old_var && tempvar_p (old_var);
+ if (was_tmpvar)
+ tmp_value = value_cell (old_var);
+
+ for (vc = shell_variables; vc; vc = vc->down)
+ if (vc_isfuncenv (vc) && vc->scope == variable_context)
+ break;
+
+ if (vc == 0)
+ {
+ internal_error (_("make_local_variable: no function context at current scope"));
+ return ((SHELL_VAR *)NULL);
+ }
+ else if (vc->table == 0)
+ vc->table = hash_create (TEMPENV_HASH_BUCKETS);
+
+ /* Since this is called only from the local/declare/typeset code, we can
+ call builtin_error here without worry (of course, it will also work
+ for anything that sets this_command_name). Variables with the `noassign'
+ attribute may not be made local. The test against old_var's context
+ level is to disallow local copies of readonly global variables (since I
+ believe that this could be a security hole). Readonly copies of calling
+ function local variables are OK. */
+ if (old_var && (noassign_p (old_var) ||
+ (readonly_p (old_var) && old_var->context == 0)))
+ {
+ if (readonly_p (old_var))
+ sh_readonly (name);
+ return ((SHELL_VAR *)NULL);
+ }
+
+ if (old_var == 0)
+ new_var = make_new_variable (name, vc->table);
+ else
+ {
+ new_var = make_new_variable (name, vc->table);
+
+ /* If we found this variable in one of the temporary environments,
+ inherit its value. Watch to see if this causes problems with
+ things like `x=4 local x'. */
+ if (was_tmpvar)
+ var_setvalue (new_var, savestring (tmp_value));
+
+ new_var->attributes = exported_p (old_var) ? att_exported : 0;
+ }
+
+ vc->flags |= VC_HASLOCAL;
+
+ new_var->context = variable_context;
+ VSETATTR (new_var, att_local);
+
+ if (ifsname (name))
+ setifs (new_var);
+
+ return (new_var);
+}
+
+/* Create a new shell variable with name NAME. */
+static SHELL_VAR *
+new_shell_variable (name)
+ const char *name;
+{
+ SHELL_VAR *entry;
+
+ entry = (SHELL_VAR *)xmalloc (sizeof (SHELL_VAR));
+
+ entry->name = savestring (name);
+ var_setvalue (entry, (char *)NULL);
+ CLEAR_EXPORTSTR (entry);
+
+ entry->dynamic_value = (sh_var_value_func_t *)NULL;
+ entry->assign_func = (sh_var_assign_func_t *)NULL;
+
+ entry->attributes = 0;
+
+ /* Always assume variables are to be made at toplevel!
+ make_local_variable has the responsibilty of changing the
+ variable context. */
+ entry->context = 0;
+
+ return (entry);
+}
+
+/* Create a new shell variable with name NAME and add it to the hash table
+ TABLE. */
+static SHELL_VAR *
+make_new_variable (name, table)
+ const char *name;
+ HASH_TABLE *table;
+{
+ SHELL_VAR *entry;
+ BUCKET_CONTENTS *elt;
+
+ entry = new_shell_variable (name);
+
+ /* Make sure we have a shell_variables hash table to add to. */
+ if (shell_variables == 0)
+ create_variable_tables ();
+
+ elt = hash_insert (savestring (name), table, HASH_NOSRCH);
+ elt->data = (PTR_T)entry;
+
+ return entry;
+}
+
+#if defined (ARRAY_VARS)
+SHELL_VAR *
+make_new_array_variable (name)
+ char *name;
+{
+ SHELL_VAR *entry;
+ ARRAY *array;
+
+ entry = make_new_variable (name, global_variables->table);
+ array = array_create ();
+
+ var_setarray (entry, array);
+ VSETATTR (entry, att_array);
+ return entry;
+}
+
+SHELL_VAR *
+make_local_array_variable (name)
+ char *name;
+{
+ SHELL_VAR *var;
+ ARRAY *array;
+
+ var = make_local_variable (name);
+ if (var == 0 || array_p (var))
+ return var;
+
+ array = array_create ();
+
+ dispose_variable_value (var);
+ var_setarray (var, array);
+ VSETATTR (var, att_array);
+ return var;
+}
+
+SHELL_VAR *
+make_new_assoc_variable (name)
+ char *name;
+{
+ SHELL_VAR *entry;
+ HASH_TABLE *hash;
+
+ entry = make_new_variable (name, global_variables->table);
+ hash = assoc_create (0);
+
+ var_setassoc (entry, hash);
+ VSETATTR (entry, att_assoc);
+ return entry;
+}
+
+SHELL_VAR *
+make_local_assoc_variable (name)
+ char *name;
+{
+ SHELL_VAR *var;
+ HASH_TABLE *hash;
+
+ var = make_local_variable (name);
+ if (var == 0 || assoc_p (var))
+ return var;
+
+ dispose_variable_value (var);
+ hash = assoc_create (0);
+
+ var_setassoc (var, hash);
+ VSETATTR (var, att_assoc);
+ return var;
+}
+#endif
+
+char *
+make_variable_value (var, value, flags)
+ SHELL_VAR *var;
+ char *value;
+ int flags;
+{
+ char *retval, *oval;
+ intmax_t lval, rval;
+ int expok, olen, op;
+
+ /* If this variable has had its type set to integer (via `declare -i'),
+ then do expression evaluation on it and store the result. The
+ functions in expr.c (evalexp()) and bind_int_variable() are responsible
+ for turning off the integer flag if they don't want further
+ evaluation done. */
+ if (integer_p (var))
+ {
+ if (flags & ASS_APPEND)
+ {
+ oval = value_cell (var);
+ lval = evalexp (oval, &expok); /* ksh93 seems to do this */
+ if (expok == 0)
+ {
+ top_level_cleanup ();
+ jump_to_top_level (DISCARD);
+ }
+ }
+ rval = evalexp (value, &expok);
+ if (expok == 0)
+ {
+ top_level_cleanup ();
+ jump_to_top_level (DISCARD);
+ }
+ if (flags & ASS_APPEND)
+ rval += lval;
+ retval = itos (rval);
+ }
+#if defined (CASEMOD_ATTRS)
+ else if (capcase_p (var) || uppercase_p (var) || lowercase_p (var))
+ {
+ if (flags & ASS_APPEND)
+ {
+ oval = get_variable_value (var);
+ if (oval == 0) /* paranoia */
+ oval = "";
+ olen = STRLEN (oval);
+ retval = (char *)xmalloc (olen + (value ? STRLEN (value) : 0) + 1);
+ strcpy (retval, oval);
+ if (value)
+ strcpy (retval+olen, value);
+ }
+ else if (*value)
+ retval = savestring (value);
+ else
+ {
+ retval = (char *)xmalloc (1);
+ retval[0] = '\0';
+ }
+ op = capcase_p (var) ? CASE_CAPITALIZE
+ : (uppercase_p (var) ? CASE_UPPER : CASE_LOWER);
+ oval = sh_modcase (retval, (char *)0, op);
+ free (retval);
+ retval = oval;
+ }
+#endif /* CASEMOD_ATTRS */
+ else if (value)
+ {
+ if (flags & ASS_APPEND)
+ {
+ oval = get_variable_value (var);
+ if (oval == 0) /* paranoia */
+ oval = "";
+ olen = STRLEN (oval);
+ retval = (char *)xmalloc (olen + (value ? STRLEN (value) : 0) + 1);
+ strcpy (retval, oval);
+ if (value)
+ strcpy (retval+olen, value);
+ }
+ else if (*value)
+ retval = savestring (value);
+ else
+ {
+ retval = (char *)xmalloc (1);
+ retval[0] = '\0';
+ }
+ }
+ else
+ retval = (char *)NULL;
+
+ return retval;
+}
+
+/* Bind a variable NAME to VALUE in the HASH_TABLE TABLE, which may be the
+ temporary environment (but usually is not). */
+static SHELL_VAR *
+bind_variable_internal (name, value, table, hflags, aflags)
+ const char *name;
+ char *value;
+ HASH_TABLE *table;
+ int hflags, aflags;
+{
+ char *newval;
+ SHELL_VAR *entry;
+
+ entry = (hflags & HASH_NOSRCH) ? (SHELL_VAR *)NULL : hash_lookup (name, table);
+
+ if (entry == 0)
+ {
+ entry = make_new_variable (name, table);
+ var_setvalue (entry, make_variable_value (entry, value, 0)); /* XXX */
+ }
+ else if (entry->assign_func) /* array vars have assign functions now */
+ {
+ INVALIDATE_EXPORTSTR (entry);
+ newval = (aflags & ASS_APPEND) ? make_variable_value (entry, value, aflags) : value;
+ entry = (*(entry->assign_func)) (entry, newval, -1, 0);
+ if (newval != value)
+ free (newval);
+ return (entry);
+ }
+ else
+ {
+ if (readonly_p (entry) || noassign_p (entry))
+ {
+ if (readonly_p (entry))
+ err_readonly (name);
+ return (entry);
+ }
+
+ /* Variables which are bound are visible. */
+ VUNSETATTR (entry, att_invisible);
+
+ newval = make_variable_value (entry, value, aflags); /* XXX */
+
+ /* Invalidate any cached export string */
+ INVALIDATE_EXPORTSTR (entry);
+
+#if defined (ARRAY_VARS)
+ /* XXX -- this bears looking at again -- XXX */
+ /* If an existing array variable x is being assigned to with x=b or
+ `read x' or something of that nature, silently convert it to
+ x[0]=b or `read x[0]'. */
+ if (array_p (entry))
+ {
+ array_insert (array_cell (entry), 0, newval);
+ free (newval);
+ }
+ else if (assoc_p (entry))
+ {
+ assoc_insert (assoc_cell (entry), "0", newval);
+ free (newval);
+ }
+ else
+#endif
+ {
+ FREE (value_cell (entry));
+ var_setvalue (entry, newval);
+ }
+ }
+
+ if (mark_modified_vars)
+ VSETATTR (entry, att_exported);
+
+ if (exported_p (entry))
+ array_needs_making = 1;
+
+ return (entry);
+}
+
+/* Bind a variable NAME to VALUE. This conses up the name
+ and value strings. If we have a temporary environment, we bind there
+ first, then we bind into shell_variables. */
+
+SHELL_VAR *
+bind_variable (name, value, flags)
+ const char *name;
+ char *value;
+ int flags;
+{
+ SHELL_VAR *v;
+ VAR_CONTEXT *vc;
+
+ if (shell_variables == 0)
+ create_variable_tables ();
+
+ /* If we have a temporary environment, look there first for the variable,
+ and, if found, modify the value there before modifying it in the
+ shell_variables table. This allows sourced scripts to modify values
+ given to them in a temporary environment while modifying the variable
+ value that the caller sees. */
+ if (temporary_env)
+ bind_tempenv_variable (name, value);
+
+ /* XXX -- handle local variables here. */
+ for (vc = shell_variables; vc; vc = vc->down)
+ {
+ if (vc_isfuncenv (vc) || vc_isbltnenv (vc))
+ {
+ v = hash_lookup (name, vc->table);
+ if (v)
+ return (bind_variable_internal (name, value, vc->table, 0, flags));
+ }
+ }
+ return (bind_variable_internal (name, value, global_variables->table, 0, flags));
+}
+
+/* Make VAR, a simple shell variable, have value VALUE. Once assigned a
+ value, variables are no longer invisible. This is a duplicate of part
+ of the internals of bind_variable. If the variable is exported, or
+ all modified variables should be exported, mark the variable for export
+ and note that the export environment needs to be recreated. */
+SHELL_VAR *
+bind_variable_value (var, value, aflags)
+ SHELL_VAR *var;
+ char *value;
+ int aflags;
+{
+ char *t;
+
+ VUNSETATTR (var, att_invisible);
+
+ if (var->assign_func)
+ {
+ /* If we're appending, we need the old value, so use
+ make_variable_value */
+ t = (aflags & ASS_APPEND) ? make_variable_value (var, value, aflags) : value;
+ (*(var->assign_func)) (var, t, -1, 0);
+ if (t != value && t)
+ free (t);
+ }
+ else
+ {
+ t = make_variable_value (var, value, aflags);
+ FREE (value_cell (var));
+ var_setvalue (var, t);
+ }
+
+ INVALIDATE_EXPORTSTR (var);
+
+ if (mark_modified_vars)
+ VSETATTR (var, att_exported);
+
+ if (exported_p (var))
+ array_needs_making = 1;
+
+ return (var);
+}
+
+/* Bind/create a shell variable with the name LHS to the RHS.
+ This creates or modifies a variable such that it is an integer.
+
+ This used to be in expr.c, but it is here so that all of the
+ variable binding stuff is localized. Since we don't want any
+ recursive evaluation from bind_variable() (possible without this code,
+ since bind_variable() calls the evaluator for variables with the integer
+ attribute set), we temporarily turn off the integer attribute for each
+ variable we set here, then turn it back on after binding as necessary. */
+
+SHELL_VAR *
+bind_int_variable (lhs, rhs)
+ char *lhs, *rhs;
+{
+ register SHELL_VAR *v;
+ int isint, isarr;
+
+ isint = isarr = 0;
+#if defined (ARRAY_VARS)
+ if (valid_array_reference (lhs))
+ {
+ isarr = 1;
+ v = array_variable_part (lhs, (char **)0, (int *)0);
+ }
+ else
+#endif
+ v = find_variable (lhs);
+
+ if (v)
+ {
+ isint = integer_p (v);
+ VUNSETATTR (v, att_integer);
+ }
+
+#if defined (ARRAY_VARS)
+ if (isarr)
+ v = assign_array_element (lhs, rhs, 0);
+ else
+#endif
+ v = bind_variable (lhs, rhs, 0);
+
+ if (isint)
+ VSETATTR (v, att_integer);
+
+ return (v);
+}
+
+SHELL_VAR *
+bind_var_to_int (var, val)
+ char *var;
+ intmax_t val;
+{
+ char ibuf[INT_STRLEN_BOUND (intmax_t) + 1], *p;
+
+ p = fmtulong (val, 10, ibuf, sizeof (ibuf), 0);
+ return (bind_int_variable (var, p));
+}
+
+/* Do a function binding to a variable. You pass the name and
+ the command to bind to. This conses the name and command. */
+SHELL_VAR *
+bind_function (name, value)
+ const char *name;
+ COMMAND *value;
+{
+ SHELL_VAR *entry;
+
+ entry = find_function (name);
+ if (entry == 0)
+ {
+ BUCKET_CONTENTS *elt;
+
+ elt = hash_insert (savestring (name), shell_functions, HASH_NOSRCH);
+ entry = new_shell_variable (name);
+ elt->data = (PTR_T)entry;
+ }
+ else
+ INVALIDATE_EXPORTSTR (entry);
+
+ if (var_isset (entry))
+ dispose_command (function_cell (entry));
+
+ if (value)
+ var_setfunc (entry, copy_command (value));
+ else
+ var_setfunc (entry, 0);
+
+ VSETATTR (entry, att_function);
+
+ if (mark_modified_vars)
+ VSETATTR (entry, att_exported);
+
+ VUNSETATTR (entry, att_invisible); /* Just to be sure */
+
+ if (exported_p (entry))
+ array_needs_making = 1;
+
+#if defined (PROGRAMMABLE_COMPLETION)
+ set_itemlist_dirty (&it_functions);
+#endif
+
+ return (entry);
+}
+
+#if defined (DEBUGGER)
+/* Bind a function definition, which includes source file and line number
+ information in addition to the command, into the FUNCTION_DEF hash table.*/
+void
+bind_function_def (name, value)
+ const char *name;
+ FUNCTION_DEF *value;
+{
+ FUNCTION_DEF *entry;
+ BUCKET_CONTENTS *elt;
+ COMMAND *cmd;
+
+ entry = find_function_def (name);
+ if (entry)
+ {
+ dispose_function_def_contents (entry);
+ entry = copy_function_def_contents (value, entry);
+ }
+ else
+ {
+ cmd = value->command;
+ value->command = 0;
+ entry = copy_function_def (value);
+ value->command = cmd;
+
+ elt = hash_insert (savestring (name), shell_function_defs, HASH_NOSRCH);
+ elt->data = (PTR_T *)entry;
+ }
+}
+#endif /* DEBUGGER */
+
+/* Add STRING, which is of the form foo=bar, to the temporary environment
+ HASH_TABLE (temporary_env). The functions in execute_cmd.c are
+ responsible for moving the main temporary env to one of the other
+ temporary environments. The expansion code in subst.c calls this. */
+int
+assign_in_env (word)
+ WORD_DESC *word;
+{
+ int offset;
+ char *name, *temp, *value;
+ SHELL_VAR *var;
+ const char *string;
+
+ string = word->word;
+
+ offset = assignment (string, 0);
+ name = savestring (string);
+ value = (char *)NULL;
+
+ if (name[offset] == '=')
+ {
+ name[offset] = 0;
+
+ /* ignore the `+' when assigning temporary environment */
+ if (name[offset - 1] == '+')
+ name[offset - 1] = '\0';
+
+ var = find_variable (name);
+ if (var && (readonly_p (var) || noassign_p (var)))
+ {
+ if (readonly_p (var))
+ err_readonly (name);
+ free (name);
+ return (0);
+ }
+
+ temp = name + offset + 1;
+ value = expand_assignment_string_to_string (temp, 0);
+ }
+
+ if (temporary_env == 0)
+ temporary_env = hash_create (TEMPENV_HASH_BUCKETS);
+
+ var = hash_lookup (name, temporary_env);
+ if (var == 0)
+ var = make_new_variable (name, temporary_env);
+ else
+ FREE (value_cell (var));
+
+ if (value == 0)
+ {
+ value = (char *)xmalloc (1); /* like do_assignment_internal */
+ value[0] = '\0';
+ }
+
+ var_setvalue (var, value);
+ var->attributes |= (att_exported|att_tempvar);
+ var->context = variable_context; /* XXX */
+
+ INVALIDATE_EXPORTSTR (var);
+ var->exportstr = mk_env_string (name, value);
+
+ array_needs_making = 1;
+
+ if (ifsname (name))
+ setifs (var);
+
+ if (echo_command_at_execute)
+ /* The Korn shell prints the `+ ' in front of assignment statements,
+ so we do too. */
+ xtrace_print_assignment (name, value, 0, 1);
+
+ free (name);
+ return 1;
+}
+
+/* **************************************************************** */
+/* */
+/* Copying variables */
+/* */
+/* **************************************************************** */
+
+#ifdef INCLUDE_UNUSED
+/* Copy VAR to a new data structure and return that structure. */
+SHELL_VAR *
+copy_variable (var)
+ SHELL_VAR *var;
+{
+ SHELL_VAR *copy = (SHELL_VAR *)NULL;
+
+ if (var)
+ {
+ copy = (SHELL_VAR *)xmalloc (sizeof (SHELL_VAR));
+
+ copy->attributes = var->attributes;
+ copy->name = savestring (var->name);
+
+ if (function_p (var))
+ var_setfunc (copy, copy_command (function_cell (var)));
+#if defined (ARRAY_VARS)
+ else if (array_p (var))
+ var_setarray (copy, array_copy (array_cell (var)));
+ else if (assoc_p (var))
+ var_setassoc (copy, assoc_copy (assoc_cell (var)));
+#endif
+ else if (value_cell (var))
+ var_setvalue (copy, savestring (value_cell (var)));
+ else
+ var_setvalue (copy, (char *)NULL);
+
+ copy->dynamic_value = var->dynamic_value;
+ copy->assign_func = var->assign_func;
+
+ copy->exportstr = COPY_EXPORTSTR (var);
+
+ copy->context = var->context;
+ }
+ return (copy);
+}
+#endif
+
+/* **************************************************************** */
+/* */
+/* Deleting and unsetting variables */
+/* */
+/* **************************************************************** */
+
+/* Dispose of the information attached to VAR. */
+static void
+dispose_variable_value (var)
+ SHELL_VAR *var;
+{
+ if (function_p (var))
+ dispose_command (function_cell (var));
+#if defined (ARRAY_VARS)
+ else if (array_p (var))
+ array_dispose (array_cell (var));
+ else if (assoc_p (var))
+ assoc_dispose (assoc_cell (var));
+#endif
+ else
+ FREE (value_cell (var));
+}
+
+void
+dispose_variable (var)
+ SHELL_VAR *var;
+{
+ if (var == 0)
+ return;
+
+ if (nofree_p (var) == 0)
+ dispose_variable_value (var);
+
+ FREE_EXPORTSTR (var);
+
+ free (var->name);
+
+ if (exported_p (var))
+ array_needs_making = 1;
+
+ free (var);
+}
+
+/* Unset the shell variable referenced by NAME. */
+int
+unbind_variable (name)
+ const char *name;
+{
+ return makunbound (name, shell_variables);
+}
+
+/* Unset the shell function named NAME. */
+int
+unbind_func (name)
+ const char *name;
+{
+ BUCKET_CONTENTS *elt;
+ SHELL_VAR *func;
+
+ elt = hash_remove (name, shell_functions, 0);
+
+ if (elt == 0)
+ return -1;
+
+#if defined (PROGRAMMABLE_COMPLETION)
+ set_itemlist_dirty (&it_functions);
+#endif
+
+ func = (SHELL_VAR *)elt->data;
+ if (func)
+ {
+ if (exported_p (func))
+ array_needs_making++;
+ dispose_variable (func);
+ }
+
+ free (elt->key);
+ free (elt);
+
+ return 0;
+}
+
+#if defined (DEBUGGER)
+int
+unbind_function_def (name)
+ const char *name;
+{
+ BUCKET_CONTENTS *elt;
+ FUNCTION_DEF *funcdef;
+
+ elt = hash_remove (name, shell_function_defs, 0);
+
+ if (elt == 0)
+ return -1;
+
+ funcdef = (FUNCTION_DEF *)elt->data;
+ if (funcdef)
+ dispose_function_def (funcdef);
+
+ free (elt->key);
+ free (elt);
+
+ return 0;
+}
+#endif /* DEBUGGER */
+
+/* Make the variable associated with NAME go away. HASH_LIST is the
+ hash table from which this variable should be deleted (either
+ shell_variables or shell_functions).
+ Returns non-zero if the variable couldn't be found. */
+int
+makunbound (name, vc)
+ const char *name;
+ VAR_CONTEXT *vc;
+{
+ BUCKET_CONTENTS *elt, *new_elt;
+ SHELL_VAR *old_var;
+ VAR_CONTEXT *v;
+ char *t;
+
+ for (elt = (BUCKET_CONTENTS *)NULL, v = vc; v; v = v->down)
+ if (elt = hash_remove (name, v->table, 0))
+ break;
+
+ if (elt == 0)
+ return (-1);
+
+ old_var = (SHELL_VAR *)elt->data;
+
+ if (old_var && exported_p (old_var))
+ array_needs_making++;
+
+ /* If we're unsetting a local variable and we're still executing inside
+ the function, just mark the variable as invisible. The function
+ eventually called by pop_var_context() will clean it up later. This
+ must be done so that if the variable is subsequently assigned a new
+ value inside the function, the `local' attribute is still present.
+ We also need to add it back into the correct hash table. */
+ if (old_var && local_p (old_var) && variable_context == old_var->context)
+ {
+ if (nofree_p (old_var))
+ var_setvalue (old_var, (char *)NULL);
+#if defined (ARRAY_VARS)
+ else if (array_p (old_var))
+ array_dispose (array_cell (old_var));
+ else if (assoc_p (old_var))
+ assoc_dispose (assoc_cell (old_var));
+#endif
+ else
+ FREE (value_cell (old_var));
+ /* Reset the attributes. Preserve the export attribute if the variable
+ came from a temporary environment. Make sure it stays local, and
+ make it invisible. */
+ old_var->attributes = (exported_p (old_var) && tempvar_p (old_var)) ? att_exported : 0;
+ VSETATTR (old_var, att_local);
+ VSETATTR (old_var, att_invisible);
+ var_setvalue (old_var, (char *)NULL);
+ INVALIDATE_EXPORTSTR (old_var);
+
+ new_elt = hash_insert (savestring (old_var->name), v->table, 0);
+ new_elt->data = (PTR_T)old_var;
+ stupidly_hack_special_variables (old_var->name);
+
+ free (elt->key);
+ free (elt);
+ return (0);
+ }
+
+ /* Have to save a copy of name here, because it might refer to
+ old_var->name. If so, stupidly_hack_special_variables will
+ reference freed memory. */
+ t = savestring (name);
+
+ free (elt->key);
+ free (elt);
+
+ dispose_variable (old_var);
+ stupidly_hack_special_variables (t);
+ free (t);
+
+ return (0);
+}
+
+/* Get rid of all of the variables in the current context. */
+void
+kill_all_local_variables ()
+{
+ VAR_CONTEXT *vc;
+
+ for (vc = shell_variables; vc; vc = vc->down)
+ if (vc_isfuncenv (vc) && vc->scope == variable_context)
+ break;
+ if (vc == 0)
+ return; /* XXX */
+
+ if (vc->table && vc_haslocals (vc))
+ {
+ delete_all_variables (vc->table);
+ hash_dispose (vc->table);
+ }
+ vc->table = (HASH_TABLE *)NULL;
+}
+
+static void
+free_variable_hash_data (data)
+ PTR_T data;
+{
+ SHELL_VAR *var;
+
+ var = (SHELL_VAR *)data;
+ dispose_variable (var);
+}
+
+/* Delete the entire contents of the hash table. */
+void
+delete_all_variables (hashed_vars)
+ HASH_TABLE *hashed_vars;
+{
+ hash_flush (hashed_vars, free_variable_hash_data);
+}
+
+/* **************************************************************** */
+/* */
+/* Setting variable attributes */
+/* */
+/* **************************************************************** */
+
+#define FIND_OR_MAKE_VARIABLE(name, entry) \
+ do \
+ { \
+ entry = find_variable (name); \
+ if (!entry) \
+ { \
+ entry = bind_variable (name, "", 0); \
+ if (!no_invisible_vars) entry->attributes |= att_invisible; \
+ } \
+ } \
+ while (0)
+
+/* Make the variable associated with NAME be readonly.
+ If NAME does not exist yet, create it. */
+void
+set_var_read_only (name)
+ char *name;
+{
+ SHELL_VAR *entry;
+
+ FIND_OR_MAKE_VARIABLE (name, entry);
+ VSETATTR (entry, att_readonly);
+}
+
+#ifdef INCLUDE_UNUSED
+/* Make the function associated with NAME be readonly.
+ If NAME does not exist, we just punt, like auto_export code below. */
+void
+set_func_read_only (name)
+ const char *name;
+{
+ SHELL_VAR *entry;
+
+ entry = find_function (name);
+ if (entry)
+ VSETATTR (entry, att_readonly);
+}
+
+/* Make the variable associated with NAME be auto-exported.
+ If NAME does not exist yet, create it. */
+void
+set_var_auto_export (name)
+ char *name;
+{
+ SHELL_VAR *entry;
+
+ FIND_OR_MAKE_VARIABLE (name, entry);
+ set_auto_export (entry);
+}
+
+/* Make the function associated with NAME be auto-exported. */
+void
+set_func_auto_export (name)
+ const char *name;
+{
+ SHELL_VAR *entry;
+
+ entry = find_function (name);
+ if (entry)
+ set_auto_export (entry);
+}
+#endif
+
+/* **************************************************************** */
+/* */
+/* Creating lists of variables */
+/* */
+/* **************************************************************** */
+
+static VARLIST *
+vlist_alloc (nentries)
+ int nentries;
+{
+ VARLIST *vlist;
+
+ vlist = (VARLIST *)xmalloc (sizeof (VARLIST));
+ vlist->list = (SHELL_VAR **)xmalloc ((nentries + 1) * sizeof (SHELL_VAR *));
+ vlist->list_size = nentries;
+ vlist->list_len = 0;
+ vlist->list[0] = (SHELL_VAR *)NULL;
+
+ return vlist;
+}
+
+static VARLIST *
+vlist_realloc (vlist, n)
+ VARLIST *vlist;
+ int n;
+{
+ if (vlist == 0)
+ return (vlist = vlist_alloc (n));
+ if (n > vlist->list_size)
+ {
+ vlist->list_size = n;
+ vlist->list = (SHELL_VAR **)xrealloc (vlist->list, (vlist->list_size + 1) * sizeof (SHELL_VAR *));
+ }
+ return vlist;
+}
+
+static void
+vlist_add (vlist, var, flags)
+ VARLIST *vlist;
+ SHELL_VAR *var;
+ int flags;
+{
+ register int i;
+
+ for (i = 0; i < vlist->list_len; i++)
+ if (STREQ (var->name, vlist->list[i]->name))
+ break;
+ if (i < vlist->list_len)
+ return;
+
+ if (i >= vlist->list_size)
+ vlist = vlist_realloc (vlist, vlist->list_size + 16);
+
+ vlist->list[vlist->list_len++] = var;
+ vlist->list[vlist->list_len] = (SHELL_VAR *)NULL;
+}
+
+/* Map FUNCTION over the variables in VAR_HASH_TABLE. Return an array of the
+ variables for which FUNCTION returns a non-zero value. A NULL value
+ for FUNCTION means to use all variables. */
+SHELL_VAR **
+map_over (function, vc)
+ sh_var_map_func_t *function;
+ VAR_CONTEXT *vc;
+{
+ VAR_CONTEXT *v;
+ VARLIST *vlist;
+ SHELL_VAR **ret;
+ int nentries;
+
+ for (nentries = 0, v = vc; v; v = v->down)
+ nentries += HASH_ENTRIES (v->table);
+
+ if (nentries == 0)
+ return (SHELL_VAR **)NULL;
+
+ vlist = vlist_alloc (nentries);
+
+ for (v = vc; v; v = v->down)
+ flatten (v->table, function, vlist, 0);
+
+ ret = vlist->list;
+ free (vlist);
+ return ret;
+}
+
+SHELL_VAR **
+map_over_funcs (function)
+ sh_var_map_func_t *function;
+{
+ VARLIST *vlist;
+ SHELL_VAR **ret;
+
+ if (shell_functions == 0 || HASH_ENTRIES (shell_functions) == 0)
+ return ((SHELL_VAR **)NULL);
+
+ vlist = vlist_alloc (HASH_ENTRIES (shell_functions));
+
+ flatten (shell_functions, function, vlist, 0);
+
+ ret = vlist->list;
+ free (vlist);
+ return ret;
+}
+
+/* Flatten VAR_HASH_TABLE, applying FUNC to each member and adding those
+ elements for which FUNC succeeds to VLIST->list. FLAGS is reserved
+ for future use. Only unique names are added to VLIST. If FUNC is
+ NULL, each variable in VAR_HASH_TABLE is added to VLIST. If VLIST is
+ NULL, FUNC is applied to each SHELL_VAR in VAR_HASH_TABLE. If VLIST
+ and FUNC are both NULL, nothing happens. */
+static void
+flatten (var_hash_table, func, vlist, flags)
+ HASH_TABLE *var_hash_table;
+ sh_var_map_func_t *func;
+ VARLIST *vlist;
+ int flags;
+{
+ register int i;
+ register BUCKET_CONTENTS *tlist;
+ int r;
+ SHELL_VAR *var;
+
+ if (var_hash_table == 0 || (HASH_ENTRIES (var_hash_table) == 0) || (vlist == 0 && func == 0))
+ return;
+
+ for (i = 0; i < var_hash_table->nbuckets; i++)
+ {
+ for (tlist = hash_items (i, var_hash_table); tlist; tlist = tlist->next)
+ {
+ var = (SHELL_VAR *)tlist->data;
+
+ r = func ? (*func) (var) : 1;
+ if (r && vlist)
+ vlist_add (vlist, var, flags);
+ }
+ }
+}
+
+void
+sort_variables (array)
+ SHELL_VAR **array;
+{
+ qsort (array, strvec_len ((char **)array), sizeof (SHELL_VAR *), (QSFUNC *)qsort_var_comp);
+}
+
+static int
+qsort_var_comp (var1, var2)
+ SHELL_VAR **var1, **var2;
+{
+ int result;
+
+ if ((result = (*var1)->name[0] - (*var2)->name[0]) == 0)
+ result = strcmp ((*var1)->name, (*var2)->name);
+
+ return (result);
+}
+
+/* Apply FUNC to each variable in SHELL_VARIABLES, adding each one for
+ which FUNC succeeds to an array of SHELL_VAR *s. Returns the array. */
+static SHELL_VAR **
+vapply (func)
+ sh_var_map_func_t *func;
+{
+ SHELL_VAR **list;
+
+ list = map_over (func, shell_variables);
+ if (list /* && posixly_correct */)
+ sort_variables (list);
+ return (list);
+}
+
+/* Apply FUNC to each variable in SHELL_FUNCTIONS, adding each one for
+ which FUNC succeeds to an array of SHELL_VAR *s. Returns the array. */
+static SHELL_VAR **
+fapply (func)
+ sh_var_map_func_t *func;
+{
+ SHELL_VAR **list;
+
+ list = map_over_funcs (func);
+ if (list /* && posixly_correct */)
+ sort_variables (list);
+ return (list);
+}
+
+/* Create a NULL terminated array of all the shell variables. */
+SHELL_VAR **
+all_shell_variables ()
+{
+ return (vapply ((sh_var_map_func_t *)NULL));
+}
+
+/* Create a NULL terminated array of all the shell functions. */
+SHELL_VAR **
+all_shell_functions ()
+{
+ return (fapply ((sh_var_map_func_t *)NULL));
+}
+
+static int
+visible_var (var)
+ SHELL_VAR *var;
+{
+ return (invisible_p (var) == 0);
+}
+
+SHELL_VAR **
+all_visible_functions ()
+{
+ return (fapply (visible_var));
+}
+
+SHELL_VAR **
+all_visible_variables ()
+{
+ return (vapply (visible_var));
+}
+
+/* Return non-zero if the variable VAR is visible and exported. Array
+ variables cannot be exported. */
+static int
+visible_and_exported (var)
+ SHELL_VAR *var;
+{
+ return (invisible_p (var) == 0 && exported_p (var));
+}
+
+/* Return non-zero if VAR is a local variable in the current context and
+ is exported. */
+static int
+local_and_exported (var)
+ SHELL_VAR *var;
+{
+ return (invisible_p (var) == 0 && local_p (var) && var->context == variable_context && exported_p (var));
+}
+
+SHELL_VAR **
+all_exported_variables ()
+{
+ return (vapply (visible_and_exported));
+}
+
+SHELL_VAR **
+local_exported_variables ()
+{
+ return (vapply (local_and_exported));
+}
+
+static int
+variable_in_context (var)
+ SHELL_VAR *var;
+{
+ return (invisible_p (var) == 0 && local_p (var) && var->context == variable_context);
+}
+
+SHELL_VAR **
+all_local_variables ()
+{
+ VARLIST *vlist;
+ SHELL_VAR **ret;
+ VAR_CONTEXT *vc;
+
+ vc = shell_variables;
+ for (vc = shell_variables; vc; vc = vc->down)
+ if (vc_isfuncenv (vc) && vc->scope == variable_context)
+ break;
+
+ if (vc == 0)
+ {
+ internal_error (_("all_local_variables: no function context at current scope"));
+ return (SHELL_VAR **)NULL;
+ }
+ if (vc->table == 0 || HASH_ENTRIES (vc->table) == 0 || vc_haslocals (vc) == 0)
+ return (SHELL_VAR **)NULL;
+
+ vlist = vlist_alloc (HASH_ENTRIES (vc->table));
+
+ flatten (vc->table, variable_in_context, vlist, 0);
+
+ ret = vlist->list;
+ free (vlist);
+ if (ret)
+ sort_variables (ret);
+ return ret;
+}
+
+#if defined (ARRAY_VARS)
+/* Return non-zero if the variable VAR is visible and an array. */
+static int
+visible_array_vars (var)
+ SHELL_VAR *var;
+{
+ return (invisible_p (var) == 0 && array_p (var));
+}
+
+SHELL_VAR **
+all_array_variables ()
+{
+ return (vapply (visible_array_vars));
+}
+#endif /* ARRAY_VARS */
+
+char **
+all_variables_matching_prefix (prefix)
+ const char *prefix;
+{
+ SHELL_VAR **varlist;
+ char **rlist;
+ int vind, rind, plen;
+
+ plen = STRLEN (prefix);
+ varlist = all_visible_variables ();
+ for (vind = 0; varlist && varlist[vind]; vind++)
+ ;
+ if (varlist == 0 || vind == 0)
+ return ((char **)NULL);
+ rlist = strvec_create (vind + 1);
+ for (vind = rind = 0; varlist[vind]; vind++)
+ {
+ if (plen == 0 || STREQN (prefix, varlist[vind]->name, plen))
+ rlist[rind++] = savestring (varlist[vind]->name);
+ }
+ rlist[rind] = (char *)0;
+ free (varlist);
+
+ return rlist;
+}
+
+/* **************************************************************** */
+/* */
+/* Managing temporary variable scopes */
+/* */
+/* **************************************************************** */
+
+/* Make variable NAME have VALUE in the temporary environment. */
+static SHELL_VAR *
+bind_tempenv_variable (name, value)
+ const char *name;
+ char *value;
+{
+ SHELL_VAR *var;
+
+ var = temporary_env ? hash_lookup (name, temporary_env) : (SHELL_VAR *)NULL;
+
+ if (var)
+ {
+ FREE (value_cell (var));
+ var_setvalue (var, savestring (value));
+ INVALIDATE_EXPORTSTR (var);
+ }
+
+ return (var);
+}
+
+/* Find a variable in the temporary environment that is named NAME.
+ Return the SHELL_VAR *, or NULL if not found. */
+SHELL_VAR *
+find_tempenv_variable (name)
+ const char *name;
+{
+ return (temporary_env ? hash_lookup (name, temporary_env) : (SHELL_VAR *)NULL);
+}
+
+/* Push the variable described by (SHELL_VAR *)DATA down to the next
+ variable context from the temporary environment. */
+static void
+push_temp_var (data)
+ PTR_T data;
+{
+ SHELL_VAR *var, *v;
+ HASH_TABLE *binding_table;
+
+ var = (SHELL_VAR *)data;
+
+ binding_table = shell_variables->table;
+ if (binding_table == 0)
+ {
+ if (shell_variables == global_variables)
+ /* shouldn't happen */
+ binding_table = shell_variables->table = global_variables->table = hash_create (0);
+ else
+ binding_table = shell_variables->table = hash_create (TEMPENV_HASH_BUCKETS);
+ }
+
+ v = bind_variable_internal (var->name, value_cell (var), binding_table, 0, 0);
+
+ /* XXX - should we set the context here? It shouldn't matter because of how
+ assign_in_env works, but might want to check. */
+ if (binding_table == global_variables->table) /* XXX */
+ var->attributes &= ~(att_tempvar|att_propagate);
+ else
+ {
+ var->attributes |= att_propagate;
+ if (binding_table == shell_variables->table)
+ shell_variables->flags |= VC_HASTMPVAR;
+ }
+ v->attributes |= var->attributes;
+
+ dispose_variable (var);
+}
+
+static void
+propagate_temp_var (data)
+ PTR_T data;
+{
+ SHELL_VAR *var;
+
+ var = (SHELL_VAR *)data;
+ if (tempvar_p (var) && (var->attributes & att_propagate))
+ push_temp_var (data);
+ else
+ dispose_variable (var);
+}
+
+/* Free the storage used in the hash table for temporary
+ environment variables. PUSHF is a function to be called
+ to free each hash table entry. It takes care of pushing variables
+ to previous scopes if appropriate. */
+static void
+dispose_temporary_env (pushf)
+ sh_free_func_t *pushf;
+{
+ hash_flush (temporary_env, pushf);
+ hash_dispose (temporary_env);
+ temporary_env = (HASH_TABLE *)NULL;
+
+ array_needs_making = 1;
+
+ sv_ifs ("IFS"); /* XXX here for now */
+}
+
+void
+dispose_used_env_vars ()
+{
+ if (temporary_env)
+ {
+ dispose_temporary_env (propagate_temp_var);
+ maybe_make_export_env ();
+ }
+}
+
+/* Take all of the shell variables in the temporary environment HASH_TABLE
+ and make shell variables from them at the current variable context. */
+void
+merge_temporary_env ()
+{
+ if (temporary_env)
+ dispose_temporary_env (push_temp_var);
+}
+
+/* **************************************************************** */
+/* */
+/* Creating and manipulating the environment */
+/* */
+/* **************************************************************** */
+
+static inline char *
+mk_env_string (name, value)
+ const char *name, *value;
+{
+ int name_len, value_len;
+ char *p;
+
+ name_len = strlen (name);
+ value_len = STRLEN (value);
+ p = (char *)xmalloc (2 + name_len + value_len);
+ strcpy (p, name);
+ p[name_len] = '=';
+ if (value && *value)
+ strcpy (p + name_len + 1, value);
+ else
+ p[name_len + 1] = '\0';
+ return (p);
+}
+
+#ifdef DEBUG
+/* Debugging */
+static int
+valid_exportstr (v)
+ SHELL_VAR *v;
+{
+ char *s;
+
+ s = v->exportstr;
+ if (legal_variable_starter ((unsigned char)*s) == 0)
+ {
+ internal_error (_("invalid character %d in exportstr for %s"), *s, v->name);
+ return (0);
+ }
+ for (s = v->exportstr + 1; s && *s; s++)
+ {
+ if (*s == '=')
+ break;
+ if (legal_variable_char ((unsigned char)*s) == 0)
+ {
+ internal_error (_("invalid character %d in exportstr for %s"), *s, v->name);
+ return (0);
+ }
+ }
+ if (*s != '=')
+ {
+ internal_error (_("no `=' in exportstr for %s"), v->name);
+ return (0);
+ }
+ return (1);
+}
+#endif
+
+static char **
+make_env_array_from_var_list (vars)
+ SHELL_VAR **vars;
+{
+ register int i, list_index;
+ register SHELL_VAR *var;
+ char **list, *value;
+
+ list = strvec_create ((1 + strvec_len ((char **)vars)));
+
+#define USE_EXPORTSTR (value == var->exportstr)
+
+ for (i = 0, list_index = 0; var = vars[i]; i++)
+ {
+#if defined (__CYGWIN__)
+ /* We don't use the exportstr stuff on Cygwin at all. */
+ INVALIDATE_EXPORTSTR (var);
+#endif
+ if (var->exportstr)
+ value = var->exportstr;
+ else if (function_p (var))
+ value = named_function_string ((char *)NULL, function_cell (var), 0);
+#if defined (ARRAY_VARS)
+ else if (array_p (var))
+# if 0
+ value = array_to_assignment_string (array_cell (var));
+# else
+ continue; /* XXX array vars cannot yet be exported */
+# endif
+ else if (assoc_p (var))
+# if 0
+ value = assoc_to_assignment_string (assoc_cell (var));
+# else
+ continue; /* XXX associative array vars cannot yet be exported */
+# endif
+#endif
+ else
+ value = value_cell (var);
+
+ if (value)
+ {
+ /* Gee, I'd like to get away with not using savestring() if we're
+ using the cached exportstr... */
+ list[list_index] = USE_EXPORTSTR ? savestring (value)
+ : mk_env_string (var->name, value);
+
+ if (USE_EXPORTSTR == 0)
+ SAVE_EXPORTSTR (var, list[list_index]);
+
+ list_index++;
+#undef USE_EXPORTSTR
+
+#if 0 /* not yet */
+#if defined (ARRAY_VARS)
+ if (array_p (var) || assoc_p (var))
+ free (value);
+#endif
+#endif
+ }
+ }
+
+ list[list_index] = (char *)NULL;
+ return (list);
+}
+
+/* Make an array of assignment statements from the hash table
+ HASHED_VARS which contains SHELL_VARs. Only visible, exported
+ variables are eligible. */
+static char **
+make_var_export_array (vcxt)
+ VAR_CONTEXT *vcxt;
+{
+ char **list;
+ SHELL_VAR **vars;
+
+ vars = map_over (visible_and_exported, vcxt);
+
+ if (vars == 0)
+ return (char **)NULL;
+
+ list = make_env_array_from_var_list (vars);
+
+ free (vars);
+ return (list);
+}
+
+static char **
+make_func_export_array ()
+{
+ char **list;
+ SHELL_VAR **vars;
+
+ vars = map_over_funcs (visible_and_exported);
+ if (vars == 0)
+ return (char **)NULL;
+
+ list = make_env_array_from_var_list (vars);
+
+ free (vars);
+ return (list);
+}
+
+/* Add ENVSTR to the end of the exported environment, EXPORT_ENV. */
+#define add_to_export_env(envstr,do_alloc) \
+do \
+ { \
+ if (export_env_index >= (export_env_size - 1)) \
+ { \
+ export_env_size += 16; \
+ export_env = strvec_resize (export_env, export_env_size); \
+ environ = export_env; \
+ } \
+ export_env[export_env_index++] = (do_alloc) ? savestring (envstr) : envstr; \
+ export_env[export_env_index] = (char *)NULL; \
+ } while (0)
+
+/* Add ASSIGN to EXPORT_ENV, or supercede a previous assignment in the
+ array with the same left-hand side. Return the new EXPORT_ENV. */
+char **
+add_or_supercede_exported_var (assign, do_alloc)
+ char *assign;
+ int do_alloc;
+{
+ register int i;
+ int equal_offset;
+
+ equal_offset = assignment (assign, 0);
+ if (equal_offset == 0)
+ return (export_env);
+
+ /* If this is a function, then only supersede the function definition.
+ We do this by including the `=() {' in the comparison, like
+ initialize_shell_variables does. */
+ if (assign[equal_offset + 1] == '(' &&
+ strncmp (assign + equal_offset + 2, ") {", 3) == 0) /* } */
+ equal_offset += 4;
+
+ for (i = 0; i < export_env_index; i++)
+ {
+ if (STREQN (assign, export_env[i], equal_offset + 1))
+ {
+ free (export_env[i]);
+ export_env[i] = do_alloc ? savestring (assign) : assign;
+ return (export_env);
+ }
+ }
+ add_to_export_env (assign, do_alloc);
+ return (export_env);
+}
+
+static void
+add_temp_array_to_env (temp_array, do_alloc, do_supercede)
+ char **temp_array;
+ int do_alloc, do_supercede;
+{
+ register int i;
+
+ if (temp_array == 0)
+ return;
+
+ for (i = 0; temp_array[i]; i++)
+ {
+ if (do_supercede)
+ export_env = add_or_supercede_exported_var (temp_array[i], do_alloc);
+ else
+ add_to_export_env (temp_array[i], do_alloc);
+ }
+
+ free (temp_array);
+}
+
+/* Make the environment array for the command about to be executed, if the
+ array needs making. Otherwise, do nothing. If a shell action could
+ change the array that commands receive for their environment, then the
+ code should `array_needs_making++'.
+
+ The order to add to the array is:
+ temporary_env
+ list of var contexts whose head is shell_variables
+ shell_functions
+
+ This is the shell variable lookup order. We add only new variable
+ names at each step, which allows local variables and variables in
+ the temporary environments to shadow variables in the global (or
+ any previous) scope.
+*/
+
+static int
+n_shell_variables ()
+{
+ VAR_CONTEXT *vc;
+ int n;
+
+ for (n = 0, vc = shell_variables; vc; vc = vc->down)
+ n += HASH_ENTRIES (vc->table);
+ return n;
+}
+
+void
+maybe_make_export_env ()
+{
+ register char **temp_array;
+ int new_size;
+ VAR_CONTEXT *tcxt;
+
+ if (array_needs_making)
+ {
+ if (export_env)
+ strvec_flush (export_env);
+
+ /* Make a guess based on how many shell variables and functions we
+ have. Since there will always be array variables, and array
+ variables are not (yet) exported, this will always be big enough
+ for the exported variables and functions. */
+ new_size = n_shell_variables () + HASH_ENTRIES (shell_functions) + 1 +
+ HASH_ENTRIES (temporary_env);
+ if (new_size > export_env_size)
+ {
+ export_env_size = new_size;
+ export_env = strvec_resize (export_env, export_env_size);
+ environ = export_env;
+ }
+ export_env[export_env_index = 0] = (char *)NULL;
+
+ /* Make a dummy variable context from the temporary_env, stick it on
+ the front of shell_variables, call make_var_export_array on the
+ whole thing to flatten it, and convert the list of SHELL_VAR *s
+ to the form needed by the environment. */
+ if (temporary_env)
+ {
+ tcxt = new_var_context ((char *)NULL, 0);
+ tcxt->table = temporary_env;
+ tcxt->down = shell_variables;
+ }
+ else
+ tcxt = shell_variables;
+
+ temp_array = make_var_export_array (tcxt);
+ if (temp_array)
+ add_temp_array_to_env (temp_array, 0, 0);
+
+ if (tcxt != shell_variables)
+ free (tcxt);
+
+#if defined (RESTRICTED_SHELL)
+ /* Restricted shells may not export shell functions. */
+ temp_array = restricted ? (char **)0 : make_func_export_array ();
+#else
+ temp_array = make_func_export_array ();
+#endif
+ if (temp_array)
+ add_temp_array_to_env (temp_array, 0, 0);
+
+ array_needs_making = 0;
+ }
+}
+
+/* This is an efficiency hack. PWD and OLDPWD are auto-exported, so
+ we will need to remake the exported environment every time we
+ change directories. `_' is always put into the environment for
+ every external command, so without special treatment it will always
+ cause the environment to be remade.
+
+ If there is no other reason to make the exported environment, we can
+ just update the variables in place and mark the exported environment
+ as no longer needing a remake. */
+void
+update_export_env_inplace (env_prefix, preflen, value)
+ char *env_prefix;
+ int preflen;
+ char *value;
+{
+ char *evar;
+
+ evar = (char *)xmalloc (STRLEN (value) + preflen + 1);
+ strcpy (evar, env_prefix);
+ if (value)
+ strcpy (evar + preflen, value);
+ export_env = add_or_supercede_exported_var (evar, 0);
+}
+
+/* We always put _ in the environment as the name of this command. */
+void
+put_command_name_into_env (command_name)
+ char *command_name;
+{
+ update_export_env_inplace ("_=", 2, command_name);
+}
+
+#if 0 /* UNUSED -- it caused too many problems */
+void
+put_gnu_argv_flags_into_env (pid, flags_string)
+ intmax_t pid;
+ char *flags_string;
+{
+ char *dummy, *pbuf;
+ int l, fl;
+
+ pbuf = itos (pid);
+ l = strlen (pbuf);
+
+ fl = strlen (flags_string);
+
+ dummy = (char *)xmalloc (l + fl + 30);
+ dummy[0] = '_';
+ strcpy (dummy + 1, pbuf);
+ strcpy (dummy + 1 + l, "_GNU_nonoption_argv_flags_");
+ dummy[l + 27] = '=';
+ strcpy (dummy + l + 28, flags_string);
+
+ free (pbuf);
+
+ export_env = add_or_supercede_exported_var (dummy, 0);
+}
+#endif
+
+/* **************************************************************** */
+/* */
+/* Managing variable contexts */
+/* */
+/* **************************************************************** */
+
+/* Allocate and return a new variable context with NAME and FLAGS.
+ NAME can be NULL. */
+
+VAR_CONTEXT *
+new_var_context (name, flags)
+ char *name;
+ int flags;
+{
+ VAR_CONTEXT *vc;
+
+ vc = (VAR_CONTEXT *)xmalloc (sizeof (VAR_CONTEXT));
+ vc->name = name ? savestring (name) : (char *)NULL;
+ vc->scope = variable_context;
+ vc->flags = flags;
+
+ vc->up = vc->down = (VAR_CONTEXT *)NULL;
+ vc->table = (HASH_TABLE *)NULL;
+
+ return vc;
+}
+
+/* Free a variable context and its data, including the hash table. Dispose
+ all of the variables. */
+void
+dispose_var_context (vc)
+ VAR_CONTEXT *vc;
+{
+ FREE (vc->name);
+
+ if (vc->table)
+ {
+ delete_all_variables (vc->table);
+ hash_dispose (vc->table);
+ }
+
+ free (vc);
+}
+
+/* Set VAR's scope level to the current variable context. */
+static int
+set_context (var)
+ SHELL_VAR *var;
+{
+ return (var->context = variable_context);
+}
+
+/* Make a new variable context with NAME and FLAGS and a HASH_TABLE of
+ temporary variables, and push it onto shell_variables. This is
+ for shell functions. */
+VAR_CONTEXT *
+push_var_context (name, flags, tempvars)
+ char *name;
+ int flags;
+ HASH_TABLE *tempvars;
+{
+ VAR_CONTEXT *vc;
+
+ vc = new_var_context (name, flags);
+ vc->table = tempvars;
+ if (tempvars)
+ {
+ /* Have to do this because the temp environment was created before
+ variable_context was incremented. */
+ flatten (tempvars, set_context, (VARLIST *)NULL, 0);
+ vc->flags |= VC_HASTMPVAR;
+ }
+ vc->down = shell_variables;
+ shell_variables->up = vc;
+
+ return (shell_variables = vc);
+}
+
+static void
+push_func_var (data)
+ PTR_T data;
+{
+ SHELL_VAR *var, *v;
+
+ var = (SHELL_VAR *)data;
+
+ if (tempvar_p (var) && (posixly_correct || (var->attributes & att_propagate)))
+ {
+ /* XXX - should we set v->context here? */
+ v = bind_variable_internal (var->name, value_cell (var), shell_variables->table, 0, 0);
+ if (shell_variables == global_variables)
+ var->attributes &= ~(att_tempvar|att_propagate);
+ else
+ shell_variables->flags |= VC_HASTMPVAR;
+ v->attributes |= var->attributes;
+ }
+ else
+ stupidly_hack_special_variables (var->name); /* XXX */
+
+ dispose_variable (var);
+}
+
+/* Pop the top context off of VCXT and dispose of it, returning the rest of
+ the stack. */
+void
+pop_var_context ()
+{
+ VAR_CONTEXT *ret, *vcxt;
+
+ vcxt = shell_variables;
+ if (vc_isfuncenv (vcxt) == 0)
+ {
+ internal_error (_("pop_var_context: head of shell_variables not a function context"));
+ return;
+ }
+
+ if (ret = vcxt->down)
+ {
+ ret->up = (VAR_CONTEXT *)NULL;
+ shell_variables = ret;
+ if (vcxt->table)
+ hash_flush (vcxt->table, push_func_var);
+ dispose_var_context (vcxt);
+ }
+ else
+ internal_error (_("pop_var_context: no global_variables context"));
+}
+
+/* Delete the HASH_TABLEs for all variable contexts beginning at VCXT, and
+ all of the VAR_CONTEXTs except GLOBAL_VARIABLES. */
+void
+delete_all_contexts (vcxt)
+ VAR_CONTEXT *vcxt;
+{
+ VAR_CONTEXT *v, *t;
+
+ for (v = vcxt; v != global_variables; v = t)
+ {
+ t = v->down;
+ dispose_var_context (v);
+ }
+
+ delete_all_variables (global_variables->table);
+ shell_variables = global_variables;
+}
+
+/* **************************************************************** */
+/* */
+/* Pushing and Popping temporary variable scopes */
+/* */
+/* **************************************************************** */
+
+VAR_CONTEXT *
+push_scope (flags, tmpvars)
+ int flags;
+ HASH_TABLE *tmpvars;
+{
+ return (push_var_context ((char *)NULL, flags, tmpvars));
+}
+
+static void
+push_exported_var (data)
+ PTR_T data;
+{
+ SHELL_VAR *var, *v;
+
+ var = (SHELL_VAR *)data;
+
+ /* If a temp var had its export attribute set, or it's marked to be
+ propagated, bind it in the previous scope before disposing it. */
+ /* XXX - This isn't exactly right, because all tempenv variables have the
+ export attribute set. */
+#if 0
+ if (exported_p (var) || (var->attributes & att_propagate))
+#else
+ if (tempvar_p (var) && exported_p (var) && (var->attributes & att_propagate))
+#endif
+ {
+ var->attributes &= ~att_tempvar; /* XXX */
+ v = bind_variable_internal (var->name, value_cell (var), shell_variables->table, 0, 0);
+ if (shell_variables == global_variables)
+ var->attributes &= ~att_propagate;
+ v->attributes |= var->attributes;
+ }
+ else
+ stupidly_hack_special_variables (var->name); /* XXX */
+
+ dispose_variable (var);
+}
+
+void
+pop_scope (is_special)
+ int is_special;
+{
+ VAR_CONTEXT *vcxt, *ret;
+
+ vcxt = shell_variables;
+ if (vc_istempscope (vcxt) == 0)
+ {
+ internal_error (_("pop_scope: head of shell_variables not a temporary environment scope"));
+ return;
+ }
+
+ ret = vcxt->down;
+ if (ret)
+ ret->up = (VAR_CONTEXT *)NULL;
+
+ shell_variables = ret;
+
+ /* Now we can take care of merging variables in VCXT into set of scopes
+ whose head is RET (shell_variables). */
+ FREE (vcxt->name);
+ if (vcxt->table)
+ {
+ if (is_special)
+ hash_flush (vcxt->table, push_func_var);
+ else
+ hash_flush (vcxt->table, push_exported_var);
+ hash_dispose (vcxt->table);
+ }
+ free (vcxt);
+
+ sv_ifs ("IFS"); /* XXX here for now */
+}
+
+/* **************************************************************** */
+/* */
+/* Pushing and Popping function contexts */
+/* */
+/* **************************************************************** */
+
+static WORD_LIST **dollar_arg_stack = (WORD_LIST **)NULL;
+static int dollar_arg_stack_slots;
+static int dollar_arg_stack_index;
+
+/* XXX - we might want to consider pushing and popping the `getopts' state
+ when we modify the positional parameters. */
+void
+push_context (name, is_subshell, tempvars)
+ char *name; /* function name */
+ int is_subshell;
+ HASH_TABLE *tempvars;
+{
+ if (is_subshell == 0)
+ push_dollar_vars ();
+ variable_context++;
+ push_var_context (name, VC_FUNCENV, tempvars);
+}
+
+/* Only called when subshell == 0, so we don't need to check, and can
+ unconditionally pop the dollar vars off the stack. */
+void
+pop_context ()
+{
+ pop_dollar_vars ();
+ variable_context--;
+ pop_var_context ();
+
+ sv_ifs ("IFS"); /* XXX here for now */
+}
+
+/* Save the existing positional parameters on a stack. */
+void
+push_dollar_vars ()
+{
+ if (dollar_arg_stack_index + 2 > dollar_arg_stack_slots)
+ {
+ dollar_arg_stack = (WORD_LIST **)
+ xrealloc (dollar_arg_stack, (dollar_arg_stack_slots += 10)
+ * sizeof (WORD_LIST **));
+ }
+ dollar_arg_stack[dollar_arg_stack_index++] = list_rest_of_args ();
+ dollar_arg_stack[dollar_arg_stack_index] = (WORD_LIST *)NULL;
+}
+
+/* Restore the positional parameters from our stack. */
+void
+pop_dollar_vars ()
+{
+ if (!dollar_arg_stack || dollar_arg_stack_index == 0)
+ return;
+
+ remember_args (dollar_arg_stack[--dollar_arg_stack_index], 1);
+ dispose_words (dollar_arg_stack[dollar_arg_stack_index]);
+ dollar_arg_stack[dollar_arg_stack_index] = (WORD_LIST *)NULL;
+ set_dollar_vars_unchanged ();
+}
+
+void
+dispose_saved_dollar_vars ()
+{
+ if (!dollar_arg_stack || dollar_arg_stack_index == 0)
+ return;
+
+ dispose_words (dollar_arg_stack[dollar_arg_stack_index]);
+ dollar_arg_stack[dollar_arg_stack_index] = (WORD_LIST *)NULL;
+}
+
+/* Manipulate the special BASH_ARGV and BASH_ARGC variables. */
+
+void
+push_args (list)
+ WORD_LIST *list;
+{
+#if defined (ARRAY_VARS) && defined (DEBUGGER)
+ SHELL_VAR *bash_argv_v, *bash_argc_v;
+ ARRAY *bash_argv_a, *bash_argc_a;
+ WORD_LIST *l;
+ arrayind_t i;
+ char *t;
+
+ GET_ARRAY_FROM_VAR ("BASH_ARGV", bash_argv_v, bash_argv_a);
+ GET_ARRAY_FROM_VAR ("BASH_ARGC", bash_argc_v, bash_argc_a);
+
+ for (l = list, i = 0; l; l = l->next, i++)
+ array_push (bash_argv_a, l->word->word);
+
+ t = itos (i);
+ array_push (bash_argc_a, t);
+ free (t);
+#endif /* ARRAY_VARS && DEBUGGER */
+}
+
+/* Remove arguments from BASH_ARGV array. Pop top element off BASH_ARGC
+ array and use that value as the count of elements to remove from
+ BASH_ARGV. */
+void
+pop_args ()
+{
+#if defined (ARRAY_VARS) && defined (DEBUGGER)
+ SHELL_VAR *bash_argv_v, *bash_argc_v;
+ ARRAY *bash_argv_a, *bash_argc_a;
+ ARRAY_ELEMENT *ce;
+ intmax_t i;
+
+ GET_ARRAY_FROM_VAR ("BASH_ARGV", bash_argv_v, bash_argv_a);
+ GET_ARRAY_FROM_VAR ("BASH_ARGC", bash_argc_v, bash_argc_a);
+
+ ce = array_shift (bash_argc_a, 1, 0);
+ if (ce == 0 || legal_number (element_value (ce), &i) == 0)
+ i = 0;
+
+ for ( ; i > 0; i--)
+ array_pop (bash_argv_a);
+ array_dispose_element (ce);
+#endif /* ARRAY_VARS && DEBUGGER */
+}
+
+/*************************************************
+ * *
+ * Functions to manage special variables *
+ * *
+ *************************************************/
+
+/* Extern declarations for variables this code has to manage. */
+extern int eof_encountered, eof_encountered_limit, ignoreeof;
+
+#if defined (READLINE)
+extern int hostname_list_initialized;
+#endif
+
+/* An alist of name.function for each special variable. Most of the
+ functions don't do much, and in fact, this would be faster with a
+ switch statement, but by the end of this file, I am sick of switch
+ statements. */
+
+#define SET_INT_VAR(name, intvar) intvar = find_variable (name) != 0
+
+/* This table will be sorted with qsort() the first time it's accessed. */
+struct name_and_function {
+ char *name;
+ sh_sv_func_t *function;
+};
+
+static struct name_and_function special_vars[] = {
+#if defined (READLINE)
+# if defined (STRICT_POSIX)
+ { "COLUMNS", sv_winsize },
+# endif
+ { "COMP_WORDBREAKS", sv_comp_wordbreaks },
+#endif
+
+ { "GLOBIGNORE", sv_globignore },
+
+#if defined (HISTORY)
+ { "HISTCONTROL", sv_history_control },
+ { "HISTFILESIZE", sv_histsize },
+ { "HISTIGNORE", sv_histignore },
+ { "HISTSIZE", sv_histsize },
+ { "HISTTIMEFORMAT", sv_histtimefmt },
+#endif
+
+#if defined (__CYGWIN__)
+ { "HOME", sv_home },
+#endif
+
+#if defined (READLINE)
+ { "HOSTFILE", sv_hostfile },
+#endif
+
+ { "IFS", sv_ifs },
+ { "IGNOREEOF", sv_ignoreeof },
+
+ { "LANG", sv_locale },
+ { "LC_ALL", sv_locale },
+ { "LC_COLLATE", sv_locale },
+ { "LC_CTYPE", sv_locale },
+ { "LC_MESSAGES", sv_locale },
+ { "LC_NUMERIC", sv_locale },
+ { "LC_TIME", sv_locale },
+
+#if defined (READLINE) && defined (STRICT_POSIX)
+ { "LINES", sv_winsize },
+#endif
+
+ { "MAIL", sv_mail },
+ { "MAILCHECK", sv_mail },
+ { "MAILPATH", sv_mail },
+
+ { "OPTERR", sv_opterr },
+ { "OPTIND", sv_optind },
+
+ { "PATH", sv_path },
+ { "POSIXLY_CORRECT", sv_strict_posix },
+
+#if defined (READLINE)
+ { "TERM", sv_terminal },
+ { "TERMCAP", sv_terminal },
+ { "TERMINFO", sv_terminal },
+#endif /* READLINE */
+
+ { "TEXTDOMAIN", sv_locale },
+ { "TEXTDOMAINDIR", sv_locale },
+
+#if defined (HAVE_TZSET) && defined (PROMPT_STRING_DECODE)
+ { "TZ", sv_tz },
+#endif
+
+#if defined (HISTORY) && defined (BANG_HISTORY)
+ { "histchars", sv_histchars },
+#endif /* HISTORY && BANG_HISTORY */
+
+ { "ignoreeof", sv_ignoreeof },
+
+ { (char *)0, (sh_sv_func_t *)0 }
+};
+
+#define N_SPECIAL_VARS (sizeof (special_vars) / sizeof (special_vars[0]) - 1)
+
+static int
+sv_compare (sv1, sv2)
+ struct name_and_function *sv1, *sv2;
+{
+ int r;
+
+ if ((r = sv1->name[0] - sv2->name[0]) == 0)
+ r = strcmp (sv1->name, sv2->name);
+ return r;
+}
+
+static inline int
+find_special_var (name)
+ const char *name;
+{
+ register int i, r;
+
+ for (i = 0; special_vars[i].name; i++)
+ {
+ r = special_vars[i].name[0] - name[0];
+ if (r == 0)
+ r = strcmp (special_vars[i].name, name);
+ if (r == 0)
+ return i;
+ else if (r > 0)
+ /* Can't match any of rest of elements in sorted list. Take this out
+ if it causes problems in certain environments. */
+ break;
+ }
+ return -1;
+}
+
+/* The variable in NAME has just had its state changed. Check to see if it
+ is one of the special ones where something special happens. */
+void
+stupidly_hack_special_variables (name)
+ char *name;
+{
+ static int sv_sorted = 0;
+ int i;
+
+ if (sv_sorted == 0) /* shouldn't need, but it's fairly cheap. */
+ {
+ qsort (special_vars, N_SPECIAL_VARS, sizeof (special_vars[0]),
+ (QSFUNC *)sv_compare);
+ sv_sorted = 1;
+ }
+
+ i = find_special_var (name);
+ if (i != -1)
+ (*(special_vars[i].function)) (name);
+}
+
+/* Special variables that need hooks to be run when they are unset as part
+ of shell reinitialization should have their sv_ functions run here. */
+void
+reinit_special_variables ()
+{
+#if defined (READLINE)
+ sv_comp_wordbreaks ("COMP_WORDBREAKS");
+#endif
+ sv_globignore ("GLOBIGNORE");
+ sv_opterr ("OPTERR");
+}
+
+void
+sv_ifs (name)
+ char *name;
+{
+ SHELL_VAR *v;
+
+ v = find_variable ("IFS");
+ setifs (v);
+}
+
+/* What to do just after the PATH variable has changed. */
+void
+sv_path (name)
+ char *name;
+{
+ /* hash -r */
+ phash_flush ();
+}
+
+/* What to do just after one of the MAILxxxx variables has changed. NAME
+ is the name of the variable. This is called with NAME set to one of
+ MAIL, MAILCHECK, or MAILPATH. */
+void
+sv_mail (name)
+ char *name;
+{
+ /* If the time interval for checking the files has changed, then
+ reset the mail timer. Otherwise, one of the pathname vars
+ to the users mailbox has changed, so rebuild the array of
+ filenames. */
+ if (name[4] == 'C') /* if (strcmp (name, "MAILCHECK") == 0) */
+ reset_mail_timer ();
+ else
+ {
+ free_mail_files ();
+ remember_mail_dates ();
+ }
+}
+
+/* What to do when GLOBIGNORE changes. */
+void
+sv_globignore (name)
+ char *name;
+{
+ if (privileged_mode == 0)
+ setup_glob_ignore (name);
+}
+
+#if defined (READLINE)
+void
+sv_comp_wordbreaks (name)
+ char *name;
+{
+ SHELL_VAR *sv;
+
+ sv = find_variable (name);
+ if (sv == 0)
+ reset_completer_word_break_chars ();
+}
+
+/* What to do just after one of the TERMxxx variables has changed.
+ If we are an interactive shell, then try to reset the terminal
+ information in readline. */
+void
+sv_terminal (name)
+ char *name;
+{
+ if (interactive_shell && no_line_editing == 0)
+ rl_reset_terminal (get_string_value ("TERM"));
+}
+
+void
+sv_hostfile (name)
+ char *name;
+{
+ SHELL_VAR *v;
+
+ v = find_variable (name);
+ if (v == 0)
+ clear_hostname_list ();
+ else
+ hostname_list_initialized = 0;
+}
+
+#if defined (STRICT_POSIX)
+/* In strict posix mode, we allow assignments to LINES and COLUMNS (and values
+ found in the initial environment) to override the terminal size reported by
+ the kernel. */
+void
+sv_winsize (name)
+ char *name;
+{
+ SHELL_VAR *v;
+ intmax_t xd;
+ int d;
+
+ if (posixly_correct == 0 || interactive_shell == 0 || no_line_editing)
+ return;
+
+ v = find_variable (name);
+ if (v == 0 || var_isnull (v))
+ rl_reset_screen_size ();
+ else
+ {
+ if (legal_number (value_cell (v), &xd) == 0)
+ return;
+ winsize_assignment = winsize_assigned = 1;
+ d = xd; /* truncate */
+ if (name[0] == 'L') /* LINES */
+ rl_set_screen_size (d, -1);
+ else /* COLUMNS */
+ rl_set_screen_size (-1, d);
+ winsize_assignment = 0;
+ }
+}
+#endif /* STRICT_POSIX */
+#endif /* READLINE */
+
+/* Update the value of HOME in the export environment so tilde expansion will
+ work on cygwin. */
+#if defined (__CYGWIN__)
+sv_home (name)
+ char *name;
+{
+ array_needs_making = 1;
+ maybe_make_export_env ();
+}
+#endif
+
+#if defined (HISTORY)
+/* What to do after the HISTSIZE or HISTFILESIZE variables change.
+ If there is a value for this HISTSIZE (and it is numeric), then stifle
+ the history. Otherwise, if there is NO value for this variable,
+ unstifle the history. If name is HISTFILESIZE, and its value is
+ numeric, truncate the history file to hold no more than that many
+ lines. */
+void
+sv_histsize (name)
+ char *name;
+{
+ char *temp;
+ intmax_t num;
+ int hmax;
+
+ temp = get_string_value (name);
+
+ if (temp && *temp)
+ {
+ if (legal_number (temp, &num))
+ {
+ hmax = num;
+ if (name[4] == 'S')
+ {
+ stifle_history (hmax);
+ hmax = where_history ();
+ if (history_lines_this_session > hmax)
+ history_lines_this_session = hmax;
+ }
+ else
+ {
+ history_truncate_file (get_string_value ("HISTFILE"), hmax);
+ if (hmax <= history_lines_in_file)
+ history_lines_in_file = hmax;
+ }
+ }
+ }
+ else if (name[4] == 'S')
+ unstifle_history ();
+}
+
+/* What to do after the HISTIGNORE variable changes. */
+void
+sv_histignore (name)
+ char *name;
+{
+ setup_history_ignore (name);
+}
+
+/* What to do after the HISTCONTROL variable changes. */
+void
+sv_history_control (name)
+ char *name;
+{
+ char *temp;
+ char *val;
+ int tptr;
+
+ history_control = 0;
+ temp = get_string_value (name);
+
+ if (temp == 0 || *temp == 0)
+ return;
+
+ tptr = 0;
+ while (val = extract_colon_unit (temp, &tptr))
+ {
+ if (STREQ (val, "ignorespace"))
+ history_control |= HC_IGNSPACE;
+ else if (STREQ (val, "ignoredups"))
+ history_control |= HC_IGNDUPS;
+ else if (STREQ (val, "ignoreboth"))
+ history_control |= HC_IGNBOTH;
+ else if (STREQ (val, "erasedups"))
+ history_control |= HC_ERASEDUPS;
+
+ free (val);
+ }
+}
+
+#if defined (BANG_HISTORY)
+/* Setting/unsetting of the history expansion character. */
+void
+sv_histchars (name)
+ char *name;
+{
+ char *temp;
+
+ temp = get_string_value (name);
+ if (temp)
+ {
+ history_expansion_char = *temp;
+ if (temp[0] && temp[1])
+ {
+ history_subst_char = temp[1];
+ if (temp[2])
+ history_comment_char = temp[2];
+ }
+ }
+ else
+ {
+ history_expansion_char = '!';
+ history_subst_char = '^';
+ history_comment_char = '#';
+ }
+}
+#endif /* BANG_HISTORY */
+
+void
+sv_histtimefmt (name)
+ char *name;
+{
+ SHELL_VAR *v;
+
+ v = find_variable (name);
+ history_write_timestamps = (v != 0);
+}
+#endif /* HISTORY */
+
+#if defined (HAVE_TZSET) && defined (PROMPT_STRING_DECODE)
+void
+sv_tz (name)
+ char *name;
+{
+ tzset ();
+}
+#endif
+
+/* If the variable exists, then the value of it can be the number
+ of times we actually ignore the EOF. The default is small,
+ (smaller than csh, anyway). */
+void
+sv_ignoreeof (name)
+ char *name;
+{
+ SHELL_VAR *tmp_var;
+ char *temp;
+
+ eof_encountered = 0;
+
+ tmp_var = find_variable (name);
+ ignoreeof = tmp_var != 0;
+ temp = tmp_var ? value_cell (tmp_var) : (char *)NULL;
+ if (temp)
+ eof_encountered_limit = (*temp && all_digits (temp)) ? atoi (temp) : 10;
+ set_shellopts (); /* make sure `ignoreeof' is/is not in $SHELLOPTS */
+}
+
+void
+sv_optind (name)
+ char *name;
+{
+ char *tt;
+ int s;
+
+ tt = get_string_value ("OPTIND");
+ if (tt && *tt)
+ {
+ s = atoi (tt);
+
+ /* According to POSIX, setting OPTIND=1 resets the internal state
+ of getopt (). */
+ if (s < 0 || s == 1)
+ s = 0;
+ }
+ else
+ s = 0;
+ getopts_reset (s);
+}
+
+void
+sv_opterr (name)
+ char *name;
+{
+ char *tt;
+
+ tt = get_string_value ("OPTERR");
+ sh_opterr = (tt && *tt) ? atoi (tt) : 1;
+}
+
+void
+sv_strict_posix (name)
+ char *name;
+{
+ SET_INT_VAR (name, posixly_correct);
+ posix_initialize (posixly_correct);
+#if defined (READLINE)
+ if (interactive_shell)
+ posix_readline_initialize (posixly_correct);
+#endif /* READLINE */
+ set_shellopts (); /* make sure `posix' is/is not in $SHELLOPTS */
+}
+
+void
+sv_locale (name)
+ char *name;
+{
+ char *v;
+
+ v = get_string_value (name);
+ if (name[0] == 'L' && name[1] == 'A') /* LANG */
+ set_lang (name, v);
+ else
+ set_locale_var (name, v); /* LC_*, TEXTDOMAIN* */
+}
+
+#if defined (ARRAY_VARS)
+void
+set_pipestatus_array (ps, nproc)
+ int *ps;
+ int nproc;
+{
+ SHELL_VAR *v;
+ ARRAY *a;
+ ARRAY_ELEMENT *ae;
+ register int i;
+ char *t, tbuf[INT_STRLEN_BOUND(int) + 1];
+
+ v = find_variable ("PIPESTATUS");
+ if (v == 0)
+ v = make_new_array_variable ("PIPESTATUS");
+ if (array_p (v) == 0)
+ return; /* Do nothing if not an array variable. */
+ a = array_cell (v);
+
+ if (a == 0 || array_num_elements (a) == 0)
+ {
+ for (i = 0; i < nproc; i++) /* was ps[i] != -1, not i < nproc */
+ {
+ t = inttostr (ps[i], tbuf, sizeof (tbuf));
+ array_insert (a, i, t);
+ }
+ return;
+ }
+
+ /* Fast case */
+ if (array_num_elements (a) == nproc && nproc == 1)
+ {
+ ae = element_forw (a->head);
+ free (element_value (ae));
+ ae->value = itos (ps[0]);
+ }
+ else if (array_num_elements (a) <= nproc)
+ {
+ /* modify in array_num_elements members in place, then add */
+ ae = a->head;
+ for (i = 0; i < array_num_elements (a); i++)
+ {
+ ae = element_forw (ae);
+ free (element_value (ae));
+ ae->value = itos (ps[i]);
+ }
+ /* add any more */
+ for ( ; i < nproc; i++)
+ {
+ t = inttostr (ps[i], tbuf, sizeof (tbuf));
+ array_insert (a, i, t);
+ }
+ }
+ else
+ {
+ /* deleting elements. it's faster to rebuild the array. */
+ array_flush (a);
+ for (i = 0; ps[i] != -1; i++)
+ {
+ t = inttostr (ps[i], tbuf, sizeof (tbuf));
+ array_insert (a, i, t);
+ }
+ }
+}
+#endif
+
+void
+set_pipestatus_from_exit (s)
+ int s;
+{
+#if defined (ARRAY_VARS)
+ static int v[2] = { 0, -1 };
+
+ v[0] = s;
+ set_pipestatus_array (v, 1);
+#endif
+}
projects / thirdparty / bash.git / commitdiff
