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
3 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library 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 GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
21 #define HAVE_CONFIG_H /* needed for Wine */
27 #ifdef HAVE_GETOPT_LONG_ONLY
37 #if !defined __STDC__ || !__STDC__
38 /* This is a separate conditional since some stdc systems
39 reject `defined (const)'. */
47 /* Comment out all this code if we are using the GNU C Library, and are not
48 actually compiling the library itself. This code is part of the GNU C
49 Library, but also included in many other GNU distributions. Compiling
50 and linking in this code is a waste when using the GNU C library
51 (especially if it is a shared library). Rather than having every GNU
52 program understand `configure --with-gnu-libc' and omit the object files,
53 it is simpler to just do this in the source for each such file. */
55 #define GETOPT_INTERFACE_VERSION 2
56 #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
57 #include <gnu-versions.h>
58 #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
66 /* This needs to come after some library #include
67 to get __GNU_LIBRARY__ defined. */
68 #ifdef __GNU_LIBRARY__
77 getopt_long (int argc, char * const *argv, const char *options, const struct option *long_options, int *opt_index)
79 return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
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, const struct option *long_options, int *opt_index)
90 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
94 libc_hidden_def (getopt_long)
95 libc_hidden_def (getopt_long_only)
98 #endif /* Not ELIDE_CODE. */
110 int digit_optind = 0;
114 int this_option_optind = optind ? optind : 1;
115 int option_index = 0;
116 static struct option long_options[] =
121 {"verbose", 0, 0, 0},
127 c = getopt_long (argc, argv, "abc:d:0123456789",
128 long_options, &option_index);
135 printf ("option %s", long_options[option_index].name);
137 printf (" with arg %s", optarg);
151 if (digit_optind != 0 && digit_optind != this_option_optind)
152 printf ("digits occur in two different argv-elements.\n");
153 digit_optind = this_option_optind;
154 printf ("option %c\n", c);
158 printf ("option a\n");
162 printf ("option b\n");
166 printf ("option c with value `%s'\n", optarg);
170 printf ("option d with value `%s'\n", optarg);
177 printf ("?? getopt returned character code 0%o ??\n", c);
183 printf ("non-option ARGV-elements: ");
184 while (optind < argc)
185 printf ("%s ", argv[optind++]);