1
/* getopt_long and getopt_long_only entry points for GNU getopt.
2
Copyright (C) 1987-2016 Free Software Foundation, Inc.
3
This file is part of the GNU C Library.
5
The GNU C Library is free software; you can redistribute it and/or
6
modify it under the terms of the GNU Lesser General Public
7
License as published by the Free Software Foundation; either
8
version 2.1 of the License, or (at your option) any later version.
10
The GNU C Library is distributed in the hope that it will be useful,
11
but WITHOUT ANY WARRANTY; without even the implied warranty of
12
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13
Lesser General Public License for more details.
15
You should have received a copy of the GNU Lesser General Public
16
License along with the GNU C Library; if not, see
17
<http://www.gnu.org/licenses/>. */
28
#include "getopt_int.h"
32
/* Comment out all this code if we are using the GNU C Library, and are not
33
actually compiling the library itself. This code is part of the GNU C
34
Library, but also included in many other GNU distributions. Compiling
35
and linking in this code is a waste when using the GNU C library
36
(especially if it is a shared library). Rather than having every GNU
37
program understand `configure --with-gnu-libc' and omit the object files,
38
it is simpler to just do this in the source for each such file. */
40
#define GETOPT_INTERFACE_VERSION 2
41
#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
42
#include <gnu-versions.h>
43
#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
48
/* !@#$%^&*() !!!!!!!! */
56
/* This needs to come after some library #include
57
to get __GNU_LIBRARY__ defined. */
58
#ifdef __GNU_LIBRARY__
67
getopt_long (int argc, char *const *argv, const char *options,
68
const struct option *long_options, int *opt_index)
70
return _getopt_internal (argc, argv, options, long_options, opt_index, 0, 0);
74
_getopt_long_r (int argc, char *const *argv, const char *options,
75
const struct option *long_options, int *opt_index,
76
struct _getopt_data *d)
78
return _getopt_internal_r (argc, argv, options, long_options, opt_index,
82
/* Like getopt_long, but '-' as well as '--' can indicate a long option.
83
If an option that starts with '-' (not '--') doesn't match a long option,
84
but does match a short option, it is parsed as a short option
88
getopt_long_only (int argc, char *const *argv, const char *options,
89
const struct option *long_options, int *opt_index)
91
return _getopt_internal (argc, argv, options, long_options, opt_index, 1, 0);
95
_getopt_long_only_r (int argc, char *const *argv, const char *options,
96
const struct option *long_options, int *opt_index,
97
struct _getopt_data *d)
99
return _getopt_internal_r (argc, argv, options, long_options, opt_index,
103
#endif /* Not ELIDE_CODE. */
110
main (int argc, char **argv)
113
int digit_optind = 0;
117
int this_option_optind = optind ? optind : 1;
118
int option_index = 0;
119
static struct option long_options[] =
124
{"verbose", 0, 0, 0},
130
c = getopt_long (argc, argv, "abc:d:0123456789",
131
long_options, &option_index);
138
printf ("option %s", long_options[option_index].name);
140
printf (" with arg %s", optarg);
154
if (digit_optind != 0 && digit_optind != this_option_optind)
155
printf ("digits occur in two different argv-elements.\n");
156
digit_optind = this_option_optind;
157
printf ("option %c\n", c);
161
printf ("option a\n");
165
printf ("option b\n");
169
printf ("option c with value `%s'\n", optarg);
173
printf ("option d with value `%s'\n", optarg);
180
printf ("?? getopt returned character code 0%o ??\n", c);
186
printf ("non-option ARGV-elements: ");
187
while (optind < argc)
188
printf ("%s ", argv[optind++]);
added
removed
getopt1.c
