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 This file is part of the GNU C Library. Its master source is NOT part of
5 the C library, however. The master source lives in /gd/gnu/lib.
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Library General Public License as
9 published by the Free Software Foundation; either version 2 of the
10 License, or (at your option) any later version.
12 The GNU C Library 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 GNU
15 Library General Public License for more details.
17 You should have received a copy of the GNU Library General Public
18 License along with the GNU C Library; see the file COPYING.LIB. If not,
19 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
23 #if !defined WIN32 && (!defined (__STDC__) || !__STDC__)
24 /* This is a separate conditional since some stdc systems
25 reject `defined (const)'. */
33 #include "../rrd_config.h"
37 #include "rrd_getopt.h"
41 /* Comment out all this code if we are using the GNU C Library, and are not
42 actually compiling the library itself. This code is part of the GNU C
43 Library, but also included in many other GNU distributions. Compiling
44 and linking in this code is a waste when using the GNU C library
45 (especially if it is a shared library). Rather than having every GNU
46 program understand `configure --with-gnu-libc' and omit the object files,
47 it is simpler to just do this in the source for each such file. */
49 #define GETOPT_INTERFACE_VERSION 2
50 #if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2
51 #include <gnu-versions.h>
52 #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
60 /* This needs to come after some library #include
61 to get __GNU_LIBRARY__ defined. */
62 #ifdef __GNU_LIBRARY__
70 int getopt_long(int argc,
77 const struct option* long_options,
80 return _getopt_internal(argc, argv, options, long_options, opt_index, 0);
83 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
84 If an option that starts with '-' (not '--') doesn't match a long option,
85 but does match a short option, it is parsed as a short option
88 int getopt_long_only(int argc,
95 const struct option* long_options,
98 return _getopt_internal(argc, argv, options, long_options, opt_index, 1);
102 #endif /* Not ELIDE_CODE. */
115 int digit_optind = 0;
116 struct option long_options[] = {
120 {"verbose", 0, 0, 0},
127 int this_option_optind = optind ? optind : 1;
128 int option_index = 0;
130 c = getopt_long(argc, argv, "abc:d:0123456789",
131 long_options, &option_index);
137 printf("option %s", long_options[option_index].name);
139 printf(" with arg %s", optarg);
153 if (digit_optind != 0 && digit_optind != this_option_optind)
154 printf("digits occur in two different argv-elements.\n");
155 digit_optind = this_option_optind;
156 printf("option %c\n", c);
160 printf("option a\n");
164 printf("option b\n");
168 printf("option c with value `%s'\n", optarg);
172 printf("option d with value `%s'\n", optarg);
179 printf("?? getopt returned character code 0%o ??\n", c);
184 printf("non-option ARGV-elements: ");
185 while (optind < argc)
186 printf("%s ", argv[optind++]);