1 /* getopt_long and getopt_long_only entry points for GNU getopt.
2 Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98,2004
3 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License along
17 with this program; if not, write to the Free Software Foundation,
18 Inc., 59 Temple Place - Suite 330, Boston, MA 02110-1301, USA. */
29 #include "getopt_int.h"
33 /* Comment out all this code if we are using the GNU C Library, and are not
34 actually compiling the library itself. This code is part of the GNU C
35 Library, but also included in many other GNU distributions. Compiling
36 and linking in this code is a waste when using the GNU C library
37 (especially if it is a shared library). Rather than having every GNU
38 program understand `configure --with-gnu-libc' and omit the object files,
39 it is simpler to just do this in the source for each such file. */
41 #define GETOPT_INTERFACE_VERSION 2
42 #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
43 #include <gnu-versions.h>
44 #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
52 /* This needs to come after some library #include
53 to get __GNU_LIBRARY__ defined. */
54 #ifdef __GNU_LIBRARY__
67 const struct option *long_options,
71 return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
79 const struct option *long_options,
81 struct _getopt_data *d
84 return _getopt_internal_r (argc, argv, options, long_options, opt_index,
88 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
89 If an option that starts with '-' (not '--') doesn't match a long option,
90 but does match a short option, it is parsed as a short option
98 const struct option *long_options,
102 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
106 _getopt_long_only_r (
110 const struct option *long_options,
112 struct _getopt_data *d
115 return _getopt_internal_r (argc, argv, options, long_options, opt_index,
119 #endif /* Not ELIDE_CODE. */
132 int digit_optind = 0;
136 int this_option_optind = optind ? optind : 1;
137 int option_index = 0;
138 static struct option long_options[] = {
142 {"verbose", 0, 0, 0},
148 c = getopt_long (argc, argv, "abc:d:0123456789",
149 long_options, &option_index);
156 printf ("option %s", long_options[option_index].name);
158 printf (" with arg %s", optarg);
172 if (digit_optind != 0 && digit_optind != this_option_optind)
173 printf ("digits occur in two different argv-elements.\n");
174 digit_optind = this_option_optind;
175 printf ("option %c\n", c);
179 printf ("option a\n");
183 printf ("option b\n");
187 printf ("option c with value `%s'\n", optarg);
191 printf ("option d with value `%s'\n", optarg);
198 printf ("?? getopt returned character code 0%o ??\n", c);
204 printf ("non-option ARGV-elements: ");
205 while (optind < argc)
206 printf ("%s ", argv[optind++]);