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.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library 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 GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
19 MA 02110-1301, USA */
20
21 #define HAVE_CONFIG_H /* needed for Wine */
22
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26
27 #ifdef HAVE_GETOPT_LONG
28 #define ELIDE_CODE
29 #endif
30
31 #ifdef _LIBC
32 # include <getopt.h>
33 #else
34 # include "getopt.h"
35 #endif
36
37 #if !defined __STDC__ || !__STDC__
38 /* This is a separate conditional since some stdc systems
39 reject `defined (const)'. */
40 #ifndef const
41 #define const
42 #endif
43 #endif
44
45 #include <stdio.h>
46
47 /* Comment out all this code if we are using the GNU C Library, and are not
48 actually compiling the library itself. This code is part of the GNU C
49 Library, but also included in many other GNU distributions. Compiling
50 and linking in this code is a waste when using the GNU C library
51 (especially if it is a shared library). Rather than having every GNU
52 program understand `configure --with-gnu-libc' and omit the object files,
53 it is simpler to just do this in the source for each such file. */
54
55 #define GETOPT_INTERFACE_VERSION 2
56 #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
57 #include <gnu-versions.h>
58 #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
59 #define ELIDE_CODE
60 #endif
61 #endif
62
63 #ifndef ELIDE_CODE
64
65
66 /* This needs to come after some library #include
67 to get __GNU_LIBRARY__ defined. */
68 #ifdef __GNU_LIBRARY__
69 #include <stdlib.h>
70 #endif
71
72 #ifndef NULL
73 #define NULL 0
74 #endif
75
76 int
77 getopt_long (argc, argv, options, long_options, opt_index)
78 int argc;
79 char *const *argv;
80 const char *options;
81 const struct option *long_options;
82 int *opt_index;
83 {
84 return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
85 }
86
87 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
88 If an option that starts with '-' (not '--') doesn't match a long option,
89 but does match a short option, it is parsed as a short option
90 instead. */
91
92 int
93 getopt_long_only (argc, argv, options, long_options, opt_index)
94 int argc;
95 char *const *argv;
96 const char *options;
97 const struct option *long_options;
98 int *opt_index;
99 {
100 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
101 }
102
103 # ifdef _LIBC
104 libc_hidden_def (getopt_long)
105 libc_hidden_def (getopt_long_only)
106 # endif
107
108 #endif /* Not ELIDE_CODE. */
109
110 #ifdef TEST
111
112 #include <stdio.h>
113
114 int
115 main (argc, argv)
116 int argc;
117 char **argv;
118 {
119 int c;
120 int digit_optind = 0;
121
122 while (1)
123 {
124 int this_option_optind = optind ? optind : 1;
125 int option_index = 0;
126 static struct option long_options[] =
127 {
128 {"add", 1, 0, 0},
129 {"append", 0, 0, 0},
130 {"delete", 1, 0, 0},
131 {"verbose", 0, 0, 0},
132 {"create", 0, 0, 0},
133 {"file", 1, 0, 0},
134 {0, 0, 0, 0}
135 };
136
137 c = getopt_long (argc, argv, "abc:d:0123456789",
138 long_options, &option_index);
139 if (c == -1)
140 break;
141
142 switch (c)
143 {
144 case 0:
145 printf ("option %s", long_options[option_index].name);
146 if (optarg)
147 printf (" with arg %s", optarg);
148 printf ("\n");
149 break;
150
151 case '':
152 case '1':
153 case '2':
154 case '3':
155 case '4':
156 case '5':
157 case '6':
158 case '7':
159 case '8':
160 case '9':
161 if (digit_optind != 0 && digit_optind != this_option_optind)
162 printf ("digits occur in two different argv-elements.\n");
163 digit_optind = this_option_optind;
164 printf ("option %c\n", c);
165 break;
166
167 case 'a':
168 printf ("option a\n");
169 break;
170
171 case 'b':
172 printf ("option b\n");
173 break;
174
175 case 'c':
176 printf ("option c with value `%s'\n", optarg);
177 break;
178
179 case 'd':
180 printf ("option d with value `%s'\n", optarg);
181 break;
182
183 case '?':
184 break;
185
186 default:
187 printf ("?? getopt returned character code 0%o ??\n", c);
188 }
189 }
190
191 if (optind < argc)
192 {
193 printf ("non-option ARGV-elements: ");
194 while (optind < argc)
195 printf ("%s ", argv[optind++]);
196 printf ("\n");
197 }
198
199 exit (0);
200 }
201
202 #endif /* TEST */
203
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