1 /* $DragonFly: src/gnu/usr.bin/sort/getopt1.c,v 1.2 2008/06/05 18:01:49 swildner Exp $ */
3 /* getopt_long and getopt_long_only entry points for GNU getopt.
4 Copyright (C) 1987, 88, 89, 90, 91, 92, 1993, 1994
5 Free Software Foundation, Inc.
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
18 along with this program; if not, write to the Free Software
19 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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 #if defined (_LIBC) || !defined (__GNU_LIBRARY__)
48 /* This needs to come after some library #include
49 to get __GNU_LIBRARY__ defined. */
50 #ifdef __GNU_LIBRARY__
57 getopt_long (argc, argv, options, long_options, opt_index)
61 const struct option *long_options;
64 return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
67 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
68 If an option that starts with '-' (not '--') doesn't match a long option,
69 but does match a short option, it is parsed as a short option
73 getopt_long_only (argc, argv, options, long_options, opt_index)
77 const struct option *long_options;
80 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
84 #endif /* _LIBC or not __GNU_LIBRARY__. */
100 int this_option_optind = optind ? optind : 1;
101 int option_index = 0;
102 static struct option long_options[] =
107 {"verbose", 0, 0, 0},
113 c = getopt_long (argc, argv, "abc:d:0123456789",
114 long_options, &option_index);
121 printf ("option %s", long_options[option_index].name);
123 printf (" with arg %s", optarg);
137 if (digit_optind != 0 && digit_optind != this_option_optind)
138 printf ("digits occur in two different argv-elements.\n");
139 digit_optind = this_option_optind;
140 printf ("option %c\n", c);
144 printf ("option a\n");
148 printf ("option b\n");
152 printf ("option c with value `%s'\n", optarg);
156 printf ("option d with value `%s'\n", optarg);
163 printf ("?? getopt returned character code 0%o ??\n", c);
169 printf ("non-option ARGV-elements: ");
170 while (optind < argc)
171 printf ("%s ", argv[optind++]);