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 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
17 along with this program; if not, write to the Free Software Foundation,
18 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
26 #if !defined __STDC__ || !__STDC__
27 /* This is a separate conditional since some stdc systems
28 reject `defined (const)'. */
36 /* Comment out all this code if we are using the GNU C Library, and are not
37 actually compiling the library itself. This code is part of the GNU C
38 Library, but also included in many other GNU distributions. Compiling
39 and linking in this code is a waste when using the GNU C library
40 (especially if it is a shared library). Rather than having every GNU
41 program understand `configure --with-gnu-libc' and omit the object files,
42 it is simpler to just do this in the source for each such file. */
44 #define GETOPT_INTERFACE_VERSION 2
45 #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
46 #include <gnu-versions.h>
47 #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
55 /* This needs to come after some library #include
56 to get __GNU_LIBRARY__ defined. */
57 #ifdef __GNU_LIBRARY__
65 int getopt_long(argc, argv, options, long_options, opt_index)
69 const struct option *long_options;
72 return _getopt_internal(argc, argv, options, long_options,
76 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
77 If an option that starts with '-' (not '--') doesn't match a long option,
78 but does match a short option, it is parsed as a short option
81 int getopt_long_only(argc, argv, options, long_options, opt_index)
85 const struct option *long_options;
88 return _getopt_internal(argc, argv, options, long_options,
93 #endif /* Not ELIDE_CODE. */
104 int digit_optind = 0;
107 int this_option_optind = optind ? optind : 1;
108 int option_index = 0;
109 static struct option long_options[] = {
113 {"verbose", 0, 0, 0},
119 c = getopt_long(argc, argv, "abc:d:0123456789",
120 long_options, &option_index);
127 long_options[option_index].name);
129 printf(" with arg %s", optarg);
143 if (digit_optind != 0
144 && digit_optind != this_option_optind)
146 ("digits occur in two different argv-elements.\n");
147 digit_optind = this_option_optind;
148 printf("option %c\n", c);
152 printf("option a\n");
156 printf("option b\n");
160 printf("option c with value `%s'\n", optarg);
164 printf("option d with value `%s'\n", optarg);
172 ("?? getopt returned character code 0%o ??\n",
178 printf("non-option ARGV-elements: ");
179 while (optind < argc)
180 printf("%s ", argv[optind++]);