jcs.org
jcs ratpoison hax
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.
3
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.
6
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
10 later version.
11
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.
16
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, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
20 USA. */
21
22
23#ifdef HAVE_CONFIG_H
24#include <config.h>
25#endif
26
27#ifndef HAVE_GETOPT_LONG
28
29#include "getopt.h"
30
31#if !defined (__STDC__) || !__STDC__
32/* This is a separate conditional since some stdc systems
33 reject `defined (const)'. */
34#ifndef const
35#define const
36#endif
37#endif
38
39#include <stdio.h>
40
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. */
48
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
53#define ELIDE_CODE
54#endif
55#endif
56
57#ifndef ELIDE_CODE
58
59
60/* This needs to come after some library #include
61 to get __GNU_LIBRARY__ defined. */
62#ifdef __GNU_LIBRARY__
63#include <stdlib.h>
64#endif
65
66#ifndef NULL
67#define NULL 0
68#endif
69
70int
71getopt_long (argc, argv, options, long_options, opt_index)
72 int argc;
73 char *const *argv;
74 const char *options;
75 const struct option *long_options;
76 int *opt_index;
77{
78 return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
79}
80
81/* Like getopt_long, but '-' as well as '--' can indicate a long option.
82 If an option that starts with '-' (not '--') doesn't match a long option,
83 but does match a short option, it is parsed as a short option
84 instead. */
85
86int
87getopt_long_only (argc, argv, options, long_options, opt_index)
88 int argc;
89 char *const *argv;
90 const char *options;
91 const struct option *long_options;
92 int *opt_index;
93{
94 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
95}
96
97
98#endif /* Not ELIDE_CODE. */
99
100#ifdef TEST
101
102#include <stdio.h>
103
104int
105main (argc, argv)
106 int argc;
107 char **argv;
108{
109 int c;
110 int digit_optind = 0;
111
112 while (1)
113 {
114 int this_option_optind = optind ? optind : 1;
115 int option_index = 0;
116 static struct option long_options[] =
117 {
118 {"add", 1, 0, 0},
119 {"append", 0, 0, 0},
120 {"delete", 1, 0, 0},
121 {"verbose", 0, 0, 0},
122 {"create", 0, 0, 0},
123 {"file", 1, 0, 0},
124 {0, 0, 0, 0}
125 };
126
127 c = getopt_long (argc, argv, "abc:d:0123456789",
128 long_options, &option_index);
129 if (c == -1)
130 break;
131
132 switch (c)
133 {
134 case 0:
135 printf ("option %s", long_options[option_index].name);
136 if (optarg)
137 printf (" with arg %s", optarg);
138 printf ("\n");
139 break;
140
141 case '0':
142 case '1':
143 case '2':
144 case '3':
145 case '4':
146 case '5':
147 case '6':
148 case '7':
149 case '8':
150 case '9':
151 if (digit_optind != 0 && digit_optind != this_option_optind)
152 printf ("digits occur in two different argv-elements.\n");
153 digit_optind = this_option_optind;
154 printf ("option %c\n", c);
155 break;
156
157 case 'a':
158 printf ("option a\n");
159 break;
160
161 case 'b':
162 printf ("option b\n");
163 break;
164
165 case 'c':
166 printf ("option c with value `%s'\n", optarg);
167 break;
168
169 case 'd':
170 printf ("option d with value `%s'\n", optarg);
171 break;
172
173 case '?':
174 break;
175
176 default:
177 printf ("?? getopt returned character code 0%o ??\n", c);
178 }
179 }
180
181 if (optind < argc)
182 {
183 printf ("non-option ARGV-elements: ");
184 while (optind < argc)
185 printf ("%s ", argv[optind++]);
186 printf ("\n");
187 }
188
189 exit (0);
190}
191
192#endif /* TEST */
193
194#endif /* HAVE_GETOPT_LONG */