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 Free Software Foundation, Inc.
4 NOTE: The canonical source of this file is maintained with the GNU C Library.
5 Bugs can be reported to bug-glibc@prep.ai.mit.edu.
7 This program is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 2, or (at your option) any
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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__
66 getopt_long(argc, argv, options, long_options, opt_index)
70 const struct option *long_options;
73 return _getopt_internal(argc, argv, options, long_options, opt_index, 0);
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
82 getopt_long_only(argc, argv, options, long_options, opt_index)
86 const struct option *long_options;
89 return _getopt_internal(argc, argv, options, long_options, opt_index, 1);
93 #endif /* Not ELIDE_CODE. */
105 int digit_optind = 0;
108 int this_option_optind = optind ? optind : 1;
109 int option_index = 0;
110 static struct option long_options[] = {
114 {"verbose", 0, 0, 0},
120 c = getopt_long(argc, argv, "abc:d:0123456789",
121 long_options, &option_index);
129 printf("option %s", long_options[option_index].name);
132 printf(" with arg %s", optarg);
148 if(digit_optind != 0 && digit_optind != this_option_optind) {
149 printf("digits occur in two different argv-elements.\n");
152 digit_optind = this_option_optind;
153 printf("option %c\n", c);
157 printf("option a\n");
161 printf("option b\n");
165 printf("option c with value `%s'\n", optarg);
169 printf("option d with value `%s'\n", optarg);
176 printf("?? getopt returned character code 0%o ??\n", c);
181 printf("non-option ARGV-elements: ");
183 while(optind < argc) {
184 printf("%s ", argv[optind++]);