186 lines
4.2 KiB
C
186 lines
4.2 KiB
C
/* getopt_long and getopt_long_only entry points for GNU getopt.
|
||
|
||
Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996,
|
||
1997, 1998, 2003 Free Software Foundation, Inc.
|
||
|
||
This file is part of the GNU C Library.
|
||
|
||
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 2, 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, write to the Free Software Foundation,
|
||
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||
|
||
#ifdef HAVE_CONFIG_H
|
||
#include <config.h>
|
||
#endif
|
||
|
||
#ifdef _LIBC
|
||
# include <getopt.h>
|
||
#else
|
||
# include "getopt.h"
|
||
#endif
|
||
|
||
#include <stdio.h>
|
||
|
||
/* Comment out all this code if we are using the GNU C Library, and are not
|
||
actually compiling the library itself. This code is part of the GNU C
|
||
Library, but also included in many other GNU distributions. Compiling
|
||
and linking in this code is a waste when using the GNU C library
|
||
(especially if it is a shared library). Rather than having every GNU
|
||
program understand `configure --with-gnu-libc' and omit the object files,
|
||
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
|
||
#endif
|
||
|
||
#ifndef ELIDE_CODE
|
||
|
||
|
||
/* This needs to come after some library #include
|
||
to get __GNU_LIBRARY__ defined. */
|
||
#ifdef __GNU_LIBRARY__
|
||
#include <stdlib.h>
|
||
#endif
|
||
|
||
#ifndef NULL
|
||
#define NULL 0
|
||
#endif
|
||
|
||
int
|
||
getopt_long (int argc,
|
||
char *const *argv,
|
||
const char *options,
|
||
const struct option *long_options,
|
||
int *opt_index)
|
||
{
|
||
return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
|
||
}
|
||
|
||
/* Like getopt_long, but '-' as well as '--' can indicate a long option.
|
||
If an option that starts with '-' (not '--') doesn't match a long option,
|
||
but does match a short option, it is parsed as a short option
|
||
instead. */
|
||
|
||
int
|
||
getopt_long_only (int argc,
|
||
char *const *argv,
|
||
const char *options,
|
||
const struct option *long_options,
|
||
int *opt_index)
|
||
{
|
||
return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
|
||
}
|
||
|
||
# ifdef _LIBC
|
||
libc_hidden_def (getopt_long)
|
||
libc_hidden_def (getopt_long_only)
|
||
# endif
|
||
|
||
#endif /* Not ELIDE_CODE. */
|
||
|
||
#ifdef TEST
|
||
|
||
#include <stdio.h>
|
||
|
||
int
|
||
main (int argc, char **argv)
|
||
{
|
||
int c;
|
||
int digit_optind = 0;
|
||
|
||
while (1)
|
||
{
|
||
int this_option_optind = optind ? optind : 1;
|
||
int option_index = 0;
|
||
static struct option long_options[] =
|
||
{
|
||
{"add", 1, 0, 0},
|
||
{"append", 0, 0, 0},
|
||
{"delete", 1, 0, 0},
|
||
{"verbose", 0, 0, 0},
|
||
{"create", 0, 0, 0},
|
||
{"file", 1, 0, 0},
|
||
{0, 0, 0, 0}
|
||
};
|
||
|
||
c = getopt_long (argc, argv, "abc:d:0123456789",
|
||
long_options, &option_index);
|
||
if (c == -1)
|
||
break;
|
||
|
||
switch (c)
|
||
{
|
||
case 0:
|
||
printf ("option %s", long_options[option_index].name);
|
||
if (optarg)
|
||
printf (" with arg %s", optarg);
|
||
printf ("\n");
|
||
break;
|
||
|
||
case '0':
|
||
case '1':
|
||
case '2':
|
||
case '3':
|
||
case '4':
|
||
case '5':
|
||
case '6':
|
||
case '7':
|
||
case '8':
|
||
case '9':
|
||
if (digit_optind != 0 && digit_optind != this_option_optind)
|
||
printf ("digits occur in two different argv-elements.\n");
|
||
digit_optind = this_option_optind;
|
||
printf ("option %c\n", c);
|
||
break;
|
||
|
||
case 'a':
|
||
printf ("option a\n");
|
||
break;
|
||
|
||
case 'b':
|
||
printf ("option b\n");
|
||
break;
|
||
|
||
case 'c':
|
||
printf ("option c with value `%s'\n", optarg);
|
||
break;
|
||
|
||
case 'd':
|
||
printf ("option d with value `%s'\n", optarg);
|
||
break;
|
||
|
||
case '?':
|
||
break;
|
||
|
||
default:
|
||
printf ("?? getopt returned character code 0%o ??\n", c);
|
||
}
|
||
}
|
||
|
||
if (optind < argc)
|
||
{
|
||
printf ("non-option ARGV-elements: ");
|
||
while (optind < argc)
|
||
printf ("%s ", argv[optind++]);
|
||
printf ("\n");
|
||
}
|
||
|
||
exit (0);
|
||
}
|
||
|
||
#endif /* TEST */
|