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., 59 Temple Place, Suite 330, Boston, MA
27 #if !defined __STDC__ || !__STDC__
28 /* This is a separate conditional since some stdc systems
29 reject `defined (const)'. */
37 /* Comment out all this code if we are using the GNU C Library, and are not
38 actually compiling the library itself. This code is part of the GNU C
39 Library, but also included in many other GNU distributions. Compiling
40 and linking in this code is a waste when using the GNU C library
41 (especially if it is a shared library). Rather than having every GNU
42 program understand `configure --with-gnu-libc' and omit the object files,
43 it is simpler to just do this in the source for each such file. */
45 #define GETOPT_INTERFACE_VERSION 2
46 #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
47 #include <gnu-versions.h>
48 #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
56 /* This needs to come after some library #include
57 to get __GNU_LIBRARY__ defined. */
58 #ifdef __GNU_LIBRARY__
67 getopt_long (argc, argv, options, long_options, opt_index)
71 const struct option *long_options;
74 return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
77 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
78 If an option that starts with '-' (not '--') doesn't match a long option,
79 but does match a short option, it is parsed as a short option
83 getopt_long_only (argc, argv, options, long_options, opt_index)
87 const struct option *long_options;
90 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
94 #endif /* Not ELIDE_CODE. */
106 int digit_optind = 0;
110 int this_option_optind = optind ? optind : 1;
111 int option_index = 0;
112 static struct option long_options[] =
117 {"verbose", 0, 0, 0},
123 c = getopt_long (argc, argv, "abc:d:0123456789",
124 long_options, &option_index);
131 printf ("option %s", long_options[option_index].name);
133 printf (" with arg %s", optarg);
147 if (digit_optind != 0 && digit_optind != this_option_optind)
148 printf ("digits occur in two different argv-elements.\n");
149 digit_optind = this_option_optind;
150 printf ("option %c\n", c);
154 printf ("option a\n");
158 printf ("option b\n");
162 printf ("option c with value `%s'\n", optarg);
166 printf ("option d with value `%s'\n", optarg);
173 printf ("?? getopt returned character code 0%o ??\n", c);
179 printf ("non-option ARGV-elements: ");
180 while (optind < argc)
181 printf ("%s ", argv[optind++]);