/* Getopt for GNU.
NOTE: getopt is now part of the C library, so if you don't know what
- "Keep this file name-space clean" means, talk to roland@gnu.ai.mit.edu
+ "Keep this file name-space clean" means, talk to drepper@gnu.org
before changing it!
- Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97
- Free Software Foundation, Inc.
+ Copyright (C) 1987-2022 Free Software Foundation, Inc.
- NOTE: The canonical source of this file is maintained with the GNU C Library.
- Bugs can be reported to bug-glibc@prep.ai.mit.edu.
+ NOTE: This source is derived from an old version taken from the GNU C
+ Library (glibc).
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
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
USA. */
\f
/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.
Ditto for AIX 3.2 and <stdlib.h>. */
#ifndef _NO_PROTO
-#define _NO_PROTO
+# define _NO_PROTO
#endif
#ifdef HAVE_CONFIG_H
-#include <config.h>
+# include <config.h>
#endif
-#if !defined (__STDC__) || !__STDC__
+#if !defined __STDC__ || !__STDC__
/* This is a separate conditional since some stdc systems
reject `defined (const)'. */
-#ifndef const
-#define const
-#endif
+# ifndef const
+# define const
+# endif
#endif
+#include "ansidecl.h"
#include <stdio.h>
/* Comment out all this code if we are using the GNU C Library, and are not
it is simpler to just do this in the source for each such file. */
#define GETOPT_INTERFACE_VERSION 2
-#if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2
-#include <gnu-versions.h>
-#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
-#define ELIDE_CODE
-#endif
+#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
+# include <gnu-versions.h>
+# if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
+# define ELIDE_CODE
+# endif
#endif
#ifndef ELIDE_CODE
#ifdef __GNU_LIBRARY__
/* Don't include stdlib.h for non-GNU C libraries because some of them
contain conflicting prototypes for getopt. */
-#include <stdlib.h>
-#include <unistd.h>
+# include <stdlib.h>
+# include <unistd.h>
#endif /* GNU C library. */
#ifdef VMS
-#include <unixlib.h>
-#if HAVE_STRING_H - 0
-#include <string.h>
-#endif
+# include <unixlib.h>
+# if HAVE_STRING_H - 0
+# include <string.h>
+# endif
#endif
#ifndef _
/* This is for other GNU distributions with internationalized messages.
When compiling libc, the _ macro is predefined. */
-#ifdef HAVE_LIBINTL_H
-# include <libintl.h>
-# define _(msgid) gettext (msgid)
-#else
-# define _(msgid) (msgid)
-#endif
+# if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC
+# include <libintl.h>
+# define _(msgid) gettext (msgid)
+# else
+# define _(msgid) (msgid)
+# endif
#endif
/* This version of `getopt' appears to the caller like standard Unix `getopt'
because there are many ways it can cause trouble.
On some systems, it contains special magic macros that don't work
in GCC. */
-#include <string.h>
-#define my_index strchr
+# include <string.h>
+# define my_index strchr
#else
+# if HAVE_STRING_H
+# include <string.h>
+# else
+# if HAVE_STRINGS_H
+# include <strings.h>
+# endif
+# endif
+
/* Avoid depending on library functions or files
whose names are inconsistent. */
-char *getenv ();
+#if HAVE_STDLIB_H && HAVE_DECL_GETENV
+# include <stdlib.h>
+#elif !defined(getenv)
+# ifdef __cplusplus
+extern "C" {
+# endif /* __cplusplus */
+extern char *getenv (const char *);
+# ifdef __cplusplus
+}
+# endif /* __cplusplus */
+#endif
static char *
-my_index (str, chr)
- const char *str;
- int chr;
+my_index (const char *str, int chr)
{
while (*str)
{
#ifdef __GNUC__
/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
That was relevant to code that was here before. */
-#if !defined (__STDC__) || !__STDC__
+# if (!defined __STDC__ || !__STDC__) && !defined strlen
/* gcc with -traditional declares the built-in strlen to return int,
and has done so at least since version 2.4.5. -- rms. */
extern int strlen (const char *);
-#endif /* not __STDC__ */
+# endif /* not __STDC__ */
#endif /* __GNUC__ */
#endif /* not __GNU_LIBRARY__ */
`first_nonopt' and `last_nonopt' are relocated so that they describe
the new indices of the non-options in ARGV after they are moved. */
-#if defined (__STDC__) && __STDC__
+#if defined __STDC__ && __STDC__
static void exchange (char **);
#endif
static void
-exchange (argv)
- char **argv;
+exchange (char **argv)
{
int bottom = first_nonopt;
int middle = last_nonopt;
{
/* We must extend the array. The user plays games with us and
presents new arguments. */
- char *new_str = malloc (top + 1);
+ char *new_str = (char *) malloc (top + 1);
if (new_str == NULL)
nonoption_flags_len = nonoption_flags_max_len = 0;
else
{
- memset (__mempcpy (new_str, __getopt_nonoption_flags,
- nonoption_flags_max_len),
+ memset (mempcpy (new_str, __getopt_nonoption_flags,
+ nonoption_flags_max_len),
'\0', top + 1 - nonoption_flags_max_len);
nonoption_flags_max_len = top + 1;
__getopt_nonoption_flags = new_str;
/* Initialize the internal data when the first call is made. */
-#if defined (__STDC__) && __STDC__
+#if defined __STDC__ && __STDC__
static const char *_getopt_initialize (int, char *const *, const char *);
#endif
static const char *
-_getopt_initialize (argc, argv, optstring)
- int argc;
- char *const *argv;
- const char *optstring;
+_getopt_initialize (int argc ATTRIBUTE_UNUSED,
+ char *const *argv ATTRIBUTE_UNUSED,
+ const char *optstring)
{
/* Start processing options with ARGV-element 1 (since ARGV-element 0
is the program name); the sequence of previously skipped
if (__getopt_nonoption_flags == NULL)
nonoption_flags_max_len = -1;
else
- memset (__mempcpy (__getopt_nonoption_flags, orig_str, len),
+ memset (mempcpy (__getopt_nonoption_flags, orig_str, len),
'\0', nonoption_flags_max_len - len);
}
}
long-named options. */
int
-_getopt_internal (argc, argv, optstring, longopts, longind, long_only)
- int argc;
- char *const *argv;
- const char *optstring;
- const struct option *longopts;
- int *longind;
- int long_only;
+_getopt_internal (int argc, char *const *argv, const char *optstring,
+ const struct option *longopts,
+ int *longind, int long_only)
{
optarg = NULL;
from the shell indicating it is not an option. The later information
is only used when the used in the GNU libc. */
#ifdef _LIBC
-#define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0' \
- || (optind < nonoption_flags_len \
- && __getopt_nonoption_flags[optind] == '1'))
+# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0' \
+ || (optind < nonoption_flags_len \
+ && __getopt_nonoption_flags[optind] == '1'))
#else
-#define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0')
+# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0')
#endif
if (nextchar == NULL || *nextchar == '\0')
else
{
if (opterr)
- if (argv[optind - 1][1] == '-')
- /* --option */
- fprintf (stderr,
- _("%s: option `--%s' doesn't allow an argument\n"),
- argv[0], pfound->name);
- else
- /* +option or -option */
- fprintf (stderr,
- _("%s: option `%c%s' doesn't allow an argument\n"),
- argv[0], argv[optind - 1][0], pfound->name);
-
- nextchar += strlen (nextchar);
-
- optopt = pfound->val;
- return '?';
+ {
+ if (argv[optind - 1][1] == '-')
+ /* --option */
+ fprintf (stderr,
+ _("%s: option `--%s' doesn't allow an argument\n"),
+ argv[0], pfound->name);
+ else
+ /* +option or -option */
+ fprintf (stderr,
+ _("%s: option `%c%s' doesn't allow an argument\n"),
+ argv[0], argv[optind - 1][0], pfound->name);
+
+ nextchar += strlen (nextchar);
+
+ optopt = pfound->val;
+ return '?';
+ }
}
}
else if (pfound->has_arg == 1)
}
int
-getopt (argc, argv, optstring)
- int argc;
- char *const *argv;
- const char *optstring;
+getopt (int argc, char *const *argv, const char *optstring)
{
return _getopt_internal (argc, argv, optstring,
(const struct option *) 0,
the above definition of `getopt'. */
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char **argv)
{
int c;
int digit_optind = 0;