+2012-09-18 Ian Lance Taylor <iant@google.com>
+
+ * strnlen.c: New file.
+ * configure.ac: Check for strnlen, add it to AC_LIBOBJ if it's not
+ present.
+ * Makefile.in: Rebuild dependencies.
+ (CFILES): Add strnlen.c.
+ (CONFIGURED_OFILES): Add ./strnlen.$(objext).
+ * configure, config.in, functions.texi: Rebuild.
+
+ * maint-tool: Accept .def files in the include directory.
+
2012-09-18 Florian Weimer <fweimer@redhat.com>
PR other/54411
spaces.c splay-tree.c stack-limit.c stpcpy.c stpncpy.c \
strcasecmp.c strchr.c strdup.c strerror.c strncasecmp.c \
strncmp.c strrchr.c strsignal.c strstr.c strtod.c strtol.c \
- strtoul.c strndup.c strverscmp.c \
+ strtoul.c strndup.c strnlen.c strverscmp.c \
timeval-utils.c tmpnam.c \
unlink-if-ordinary.c \
vasprintf.c vfork.c vfprintf.c vprintf.c vsnprintf.c vsprintf.c \
./sigsetmask.$(objext) ./snprintf.$(objext) \
./stpcpy.$(objext) ./stpncpy.$(objext) ./strcasecmp.$(objext) \
./strchr.$(objext) ./strdup.$(objext) ./strncasecmp.$(objext) \
- ./strncmp.$(objext) ./strndup.$(objext) ./strrchr.$(objext) \
- ./strstr.$(objext) ./strtod.$(objext) ./strtol.$(objext) \
- ./strtoul.$(objext) ./strverscmp.$(objext) \
+ ./strncmp.$(objext) ./strndup.$(objext) ./strnlen.$(objext) \
+ ./strrchr.$(objext) ./strstr.$(objext) ./strtod.$(objext) \
+ ./strtol.$(objext) ./strtoul.$(objext) ./strverscmp.$(objext) \
./tmpnam.$(objext) \
./vasprintf.$(objext) ./vfork.$(objext) ./vfprintf.$(objext) \
./vprintf.$(objext) ./vsnprintf.$(objext) ./vsprintf.$(objext) \
else true; fi
$(COMPILE.c) $(srcdir)/crc32.c $(OUTPUT_OPTION)
-./dwarfnames.$(objext): $(srcdir)/dwarfnames.c $(INCDIR)/dwarf2.h \
- $(INCDIR)/dwarf2.def
+./dwarfnames.$(objext): $(srcdir)/dwarfnames.c $(INCDIR)/dwarf2.def \
+ $(INCDIR)/dwarf2.h
if [ x"$(PICFLAG)" != x ]; then \
$(COMPILE.c) $(PICFLAG) $(srcdir)/dwarfnames.c -o pic/$@; \
else true; fi
else true; fi
$(COMPILE.c) $(srcdir)/fibheap.c $(OUTPUT_OPTION)
-./filename_cmp.$(objext): $(srcdir)/filename_cmp.c config.h $(INCDIR)/filenames.h \
+./filename_cmp.$(objext): $(srcdir)/filename_cmp.c config.h $(INCDIR)/ansidecl.h \
+ $(INCDIR)/filenames.h $(INCDIR)/hashtab.h \
$(INCDIR)/safe-ctype.h
if [ x"$(PICFLAG)" != x ]; then \
$(COMPILE.c) $(PICFLAG) $(srcdir)/filename_cmp.c -o pic/$@; \
$(COMPILE.c) $(srcdir)/insque.c $(OUTPUT_OPTION)
./lbasename.$(objext): $(srcdir)/lbasename.c config.h $(INCDIR)/ansidecl.h \
- $(INCDIR)/filenames.h $(INCDIR)/libiberty.h \
+ $(INCDIR)/filenames.h $(INCDIR)/hashtab.h $(INCDIR)/libiberty.h \
$(INCDIR)/safe-ctype.h
if [ x"$(PICFLAG)" != x ]; then \
$(COMPILE.c) $(PICFLAG) $(srcdir)/lbasename.c -o pic/$@; \
else true; fi
$(COMPILE.c) $(srcdir)/splay-tree.c $(OUTPUT_OPTION)
-./stack-limit.$(objext): $(srcdir)/stack-limit.c config.h
+./stack-limit.$(objext): $(srcdir)/stack-limit.c config.h $(INCDIR)/ansidecl.h
if [ x"$(PICFLAG)" != x ]; then \
$(COMPILE.c) $(PICFLAG) $(srcdir)/stack-limit.c -o pic/$@; \
else true; fi
else true; fi
$(COMPILE.c) $(srcdir)/strndup.c $(OUTPUT_OPTION)
+./strnlen.$(objext): $(srcdir)/strnlen.c config.h
+ if [ x"$(PICFLAG)" != x ]; then \
+ $(COMPILE.c) $(PICFLAG) $(srcdir)/strnlen.c -o pic/$@; \
+ else true; fi
+ $(COMPILE.c) $(srcdir)/strnlen.c $(OUTPUT_OPTION)
+
./strrchr.$(objext): $(srcdir)/strrchr.c $(INCDIR)/ansidecl.h
if [ x"$(PICFLAG)" != x ]; then \
$(COMPILE.c) $(PICFLAG) $(srcdir)/strrchr.c -o pic/$@; \
/* Define to 1 if you have the `strndup' function. */
#undef HAVE_STRNDUP
+/* Define to 1 if you have the `strnlen' function. */
+#undef HAVE_STRNLEN
+
/* Define to 1 if you have the `strrchr' function. */
#undef HAVE_STRRCHR
funcs="$funcs strdup"
funcs="$funcs strncasecmp"
funcs="$funcs strndup"
+funcs="$funcs strnlen"
funcs="$funcs strrchr"
funcs="$funcs strstr"
funcs="$funcs strtod"
random realpath rename rindex \
sbrk setenv setproctitle setrlimit sigsetmask snprintf spawnve spawnvpe \
stpcpy stpncpy strcasecmp strchr strdup \
- strerror strncasecmp strndup strrchr strsignal strstr strtod strtol \
- strtoul strverscmp sysconf sysctl sysmp \
+ strerror strncasecmp strndup strnlen strrchr strsignal strstr strtod \
+ strtol strtoul strverscmp sysconf sysctl sysmp \
table times tmpnam \
vasprintf vfprintf vprintf vsprintf \
wait3 wait4 waitpid
;;
esac
+ case " $LIBOBJS " in
+ *" strnlen.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS strnlen.$ac_objext"
+ ;;
+esac
+
case " $LIBOBJS " in
*" strverscmp.$ac_objext "* ) ;;
*) LIBOBJS="$LIBOBJS strverscmp.$ac_objext"
for f in $funcs; do
case "$f" in
- asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strverscmp | vasprintf | waitpid)
+ asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strnlen | strverscmp | vasprintf | waitpid)
;;
*)
n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
funcs="$funcs strdup"
funcs="$funcs strncasecmp"
funcs="$funcs strndup"
+funcs="$funcs strnlen"
funcs="$funcs strrchr"
funcs="$funcs strstr"
funcs="$funcs strtod"
random realpath rename rindex \
sbrk setenv setproctitle setrlimit sigsetmask snprintf spawnve spawnvpe \
stpcpy stpncpy strcasecmp strchr strdup \
- strerror strncasecmp strndup strrchr strsignal strstr strtod strtol \
- strtoul strverscmp sysconf sysctl sysmp \
+ strerror strncasecmp strndup strnlen strrchr strsignal strstr strtod \
+ strtol strtoul strverscmp sysconf sysctl sysmp \
table times tmpnam \
vasprintf vfprintf vprintf vsprintf \
wait3 wait4 waitpid)
AC_LIBOBJ([stpcpy])
AC_LIBOBJ([stpncpy])
AC_LIBOBJ([strndup])
+ AC_LIBOBJ([strnlen])
AC_LIBOBJ([strverscmp])
AC_LIBOBJ([vasprintf])
AC_LIBOBJ([waitpid])
for f in $funcs; do
case "$f" in
- asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strverscmp | vasprintf | waitpid)
+ asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strnlen | strverscmp | vasprintf | waitpid)
;;
*)
n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
@end deftypefn
-@c argv.c:142
+@c argv.c:135
@deftypefn Extension char** buildargv (char *@var{sp})
Given a pointer to a string, parse the string extracting fields
@code{NULL} element.
All of the memory for the pointer array and copies of the string
-is obtained from @code{malloc}. All of the memory can be returned to the
+is obtained from @code{xmalloc}. All of the memory can be returned to the
system with the single function call @code{freeargv}, which takes the
returned result of @code{buildargv}, as it's argument.
@end deftypefn
+@c argv.c:470
+@deftypefn Extension int countargv (char **@var{argv})
+
+Return the number of elements in @var{argv}.
+Returns zero if @var{argv} is NULL.
+
+@end deftypefn
+
@c crc32.c:141
@deftypefn Extension {unsigned int} crc32 (const unsigned char *@var{buf}, @
int @var{len}, unsigned int @var{init})
@end deftypefn
-@c argv.c:361
+@c argv.c:341
@deftypefn Extension void expandargv (int *@var{argcp}, char ***@var{argvp})
The @var{argcp} and @code{argvp} arguments are pointers to the usual
@end deftypefn
-@c filename_cmp.c:81
+@c filename_cmp.c:178
+@deftypefn Extension int filename_eq (const void *@var{s1}, const void *@var{s2})
+
+Return non-zero if file names @var{s1} and @var{s2} are equivalent.
+This function is for use with hashtab.c hash tables.
+
+@end deftypefn
+
+@c filename_cmp.c:147
+@deftypefn Extension hashval_t filename_hash (const void *@var{s})
+
+Return the hash value for file name @var{s} that will be compared
+using filename_cmp.
+This function is for use with hashtab.c hash tables.
+
+@end deftypefn
+
+@c filename_cmp.c:89
@deftypefn Extension int filename_ncmp (const char *@var{s1}, const char *@var{s2}, size_t @var{n})
Return zero if the two file names @var{s1} and @var{s2} are equivalent
@end deftypefn
-@c argv.c:97
+@c argv.c:90
@deftypefn Extension void freeargv (char **@var{vector})
Free an argument vector that was built using @code{buildargv}. Simply
@end deftypefn
+@c stack-limit.c:28
+@deftypefn Extension void stack_limit_increase (unsigned long @var{pref})
+
+Attempt to increase stack size limit to @var{pref} bytes if possible.
+
+@end deftypefn
+
@c stpcpy.c:23
@deftypefn Supplemental char* stpcpy (char *@var{dst}, const char *@var{src})
@end deftypefn
+@c strnlen.c:6
+@deftypefn Supplemental size_t strnlen (const char *@var{s}, size_t @var{maxlen})
+
+Returns the length of @var{s}, as with @code{strlen}, but never looks
+past the first @var{maxlen} characters in the string. If there is no
+'\0' character in the first @var{maxlen} characters, returns
+@var{maxlen}.
+
+@end deftypefn
+
@c strrchr.c:6
@deftypefn Supplemental char* strrchr (const char *@var{s}, int @var{c})
because filenames frequently hold indices/version numbers.
@end deftypefun
+@c timeval-utils.c:43
+@deftypefn Extension void timeval_add (struct timeval *@var{a}, @
+ struct timeval *@var{b}, struct timeval *@var{result})
+
+Adds @var{a} to @var{b} and stores the result in @var{result}.
+
+@end deftypefn
+
+@c timeval-utils.c:67
+@deftypefn Extension void timeval_sub (struct timeval *@var{a}, @
+ struct timeval *@var{b}, struct timeval *@var{result})
+
+Subtracts @var{b} from @var{a} and stores the result in @var{result}.
+
+@end deftypefn
+
@c tmpnam.c:3
@deftypefn Supplemental char* tmpnam (char *@var{s})
@end deftypefn
-@c argv.c:306
+@c argv.c:286
@deftypefn Extension int writeargv (const char **@var{argv}, FILE *@var{file})
Write each member of ARGV, handling all necessary quoting, to the file
opendir(INC, $incdir);
while ($f = readdir INC) {
- next unless $f =~ /\.h$/;
+ next unless $f =~ /\.h$/ || $f =~ /\.def$/;
$mine{$f} = "\$(INCDIR)/$f";
$deps{$f} = join(' ', &deps_for("$incdir/$f"));
}
--- /dev/null
+/* Portable version of strnlen.
+ This function is in the public domain. */
+
+/*
+
+@deftypefn Supplemental size_t strnlen (const char *@var{s}, size_t @var{maxlen})
+
+Returns the length of @var{s}, as with @code{strlen}, but never looks
+past the first @var{maxlen} characters in the string. If there is no
+'\0' character in the first @var{maxlen} characters, returns
+@var{maxlen}.
+
+@end deftypefn
+
+*/
+
+#include "config.h"
+
+#include <stddef.h>
+
+size_t
+strnlen (const char *s, size_t maxlen)
+{
+ size_t i;
+
+ for (i = 0; i < maxlen; ++i)
+ if (s[i] == '\0')
+ break;
+ return i;
+}
projects / thirdparty / gcc.git / commitdiff
