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 Street - Suite 500, Boston,
19 MA 02110-1335, USA */
20
21 #if 0
22 #define HAVE_CONFIG_H /* needed for Wine */
23 #endif
24
25 #ifdef HAVE_CONFIG_H
26 #include <config.h>
27 #endif
28
29 #ifdef HAVE_GETOPT_LONG
30 #define ELIDE_CODE
31 #endif
32
33 #ifdef _LIBC
34 # include <getopt.h>
35 #else
36 # include "gnu-getopt.h"
37 #endif
38
39 #if !defined __STDC__ || !__STDC__
40 /* This is a separate conditional since some stdc systems
41 reject `defined (const)'. */
42 #ifndef const
43 #define const
44 #endif
45 #endif
46
47 #include <stdio.h>
48
49 /* Comment out all this code if we are using the GNU C Library, and are not
50 actually compiling the library itself. This code is part of the GNU C
51 Library, but also included in many other GNU distributions. Compiling
52 and linking in this code is a waste when using the GNU C library
53 (especially if it is a shared library). Rather than having every GNU
54 program understand `configure --with-gnu-libc' and omit the object files,
55 it is simpler to just do this in the source for each such file. */
56
57 #define GETOPT_INTERFACE_VERSION 2
58 #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
59 #include <gnu-versions.h>
60 #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
61 #define ELIDE_CODE
62 #endif
63 #endif
64
65 #ifndef ELIDE_CODE
66
67
68 /* This needs to come after some library #include
69 to get __GNU_LIBRARY__ defined. */
70 #ifdef __GNU_LIBRARY__
71 #include <stdlib.h>
72 #endif
73
74 #ifndef NULL
75 #define NULL 0
76 #endif
77
78 int
getopt_long(argc,argv,options,long_options,opt_index)79 getopt_long (argc, argv, options, long_options, opt_index)
80 int argc;
81 char *const *argv;
82 const char *options;
83 const struct option *long_options;
84 int *opt_index;
85 {
86 return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
87 }
88
89 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
90 If an option that starts with '-' (not '--') doesn't match a long option,
91 but does match a short option, it is parsed as a short option
92 instead. */
93
94 int
getopt_long_only(argc,argv,options,long_options,opt_index)95 getopt_long_only (argc, argv, options, long_options, opt_index)
96 int argc;
97 char *const *argv;
98 const char *options;
99 const struct option *long_options;
100 int *opt_index;
101 {
102 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
103 }
104
105 # ifdef _LIBC
106 libc_hidden_def (getopt_long)
107 libc_hidden_def (getopt_long_only)
108 # endif
109
110 #endif /* Not ELIDE_CODE. */
111
112 #ifdef TEST
113
114 #include <stdio.h>
115
116 int
117 main (argc, argv)
118 int argc;
119 char **argv;
120 {
121 int c;
122 int digit_optind = 0;
123
124 while (1)
125 {
126 int this_option_optind = optind ? optind : 1;
127 int option_index = 0;
128 static struct option long_options[] =
129 {
130 {"add", 1, 0, 0},
131 {"append", 0, 0, 0},
132 {"delete", 1, 0, 0},
133 {"verbose", 0, 0, 0},
134 {"create", 0, 0, 0},
135 {"file", 1, 0, 0},
136 {0, 0, 0, 0}
137 };
138
139 c = getopt_long (argc, argv, "abc:d:0123456789",
140 long_options, &option_index);
141 if (c == -1)
142 break;
143
144 switch (c)
145 {
146 case 0:
147 printf ("option %s", long_options[option_index].name);
148 if (optarg)
149 printf (" with arg %s", optarg);
150 printf ("\n");
151 break;
152
153 case '0':
154 case '1':
155 case '2':
156 case '3':
157 case '4':
158 case '5':
159 case '6':
160 case '7':
161 case '8':
162 case '9':
163 if (digit_optind != 0 && digit_optind != this_option_optind)
164 printf ("digits occur in two different argv-elements.\n");
165 digit_optind = this_option_optind;
166 printf ("option %c\n", c);
167 break;
168
169 case 'a':
170 printf ("option a\n");
171 break;
172
173 case 'b':
174 printf ("option b\n");
175 break;
176
177 case 'c':
178 printf ("option c with value `%s'\n", optarg);
179 break;
180
181 case 'd':
182 printf ("option d with value `%s'\n", optarg);
183 break;
184
185 case '?':
186 break;
187
188 default:
189 printf ("?? getopt returned character code 0%o ??\n", c);
190 }
191 }
192
193 if (optind < argc)
194 {
195 printf ("non-option ARGV-elements: ");
196 while (optind < argc)
197 printf ("%s ", argv[optind++]);
198 printf ("\n");
199 }
200
201 exit (0);
202 }
203
204 #endif /* TEST */
205
206