0,0 → 1,180 |
/* getopt_long and getopt_long_only entry points for GNU getopt. |
Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98,2005 |
Free Software Foundation, Inc. |
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NOTE: This source is derived from an old version taken from the GNU C |
Library (glibc). |
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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. |
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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. |
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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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, |
USA. */ |
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#ifdef HAVE_CONFIG_H |
#include <config.h> |
#endif |
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#if !defined __STDC__ || !__STDC__ |
/* This is a separate conditional since some stdc systems |
reject `defined (const)'. */ |
#ifndef const |
#define const |
#endif |
#endif |
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#include <stdio.h> |
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#include "getopt.h" |
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/* 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. */ |
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#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 |
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#ifndef ELIDE_CODE |
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/* This needs to come after some library #include |
to get __GNU_LIBRARY__ defined. */ |
#ifdef __GNU_LIBRARY__ |
#include <stdlib.h> |
#endif |
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#ifndef NULL |
#define NULL 0 |
#endif |
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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); |
} |
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/* 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. */ |
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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); |
} |
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#endif /* Not ELIDE_CODE. */ |
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#ifdef TEST |
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#include <stdio.h> |
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int |
main (int argc, char **argv) |
{ |
int c; |
int digit_optind = 0; |
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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} |
}; |
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c = getopt_long (argc, argv, "abc:d:0123456789", |
long_options, &option_index); |
if (c == -1) |
break; |
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switch (c) |
{ |
case 0: |
printf ("option %s", long_options[option_index].name); |
if (optarg) |
printf (" with arg %s", optarg); |
printf ("\n"); |
break; |
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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; |
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case 'a': |
printf ("option a\n"); |
break; |
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case 'b': |
printf ("option b\n"); |
break; |
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case 'c': |
printf ("option c with value `%s'\n", optarg); |
break; |
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case 'd': |
printf ("option d with value `%s'\n", optarg); |
break; |
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case '?': |
break; |
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default: |
printf ("?? getopt returned character code 0%o ??\n", c); |
} |
} |
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if (optind < argc) |
{ |
printf ("non-option ARGV-elements: "); |
while (optind < argc) |
printf ("%s ", argv[optind++]); |
printf ("\n"); |
} |
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exit (0); |
} |
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#endif /* TEST */ |