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28f540f4 | 1 | /* getopt_long and getopt_long_only entry points for GNU getopt. |
511676f7 | 2 | Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98,2004 |
3db52d94 | 3 | Free Software Foundation, Inc. |
51702635 | 4 | This file is part of the GNU C Library. |
28f540f4 | 5 | |
d38cd08c | 6 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
28f540f4 | 10 | |
d38cd08c UD |
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 | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
28f540f4 | 15 | |
41bdb6e2 AJ |
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., 59 Temple Place, Suite 330, Boston, MA | |
19 | 02111-1307 USA. */ | |
28f540f4 RM |
20 | \f |
21 | #ifdef HAVE_CONFIG_H | |
28f540f4 | 22 | #include <config.h> |
28f540f4 RM |
23 | #endif |
24 | ||
e78f615d RM |
25 | #ifdef _LIBC |
26 | # include <getopt.h> | |
27 | #else | |
28 | # include "getopt.h" | |
29 | #endif | |
511676f7 | 30 | #include "getopt_int.h" |
28f540f4 RM |
31 | |
32 | #include <stdio.h> | |
33 | ||
34 | /* Comment out all this code if we are using the GNU C Library, and are not | |
35 | actually compiling the library itself. This code is part of the GNU C | |
36 | Library, but also included in many other GNU distributions. Compiling | |
37 | and linking in this code is a waste when using the GNU C library | |
38 | (especially if it is a shared library). Rather than having every GNU | |
39 | program understand `configure --with-gnu-libc' and omit the object files, | |
40 | it is simpler to just do this in the source for each such file. */ | |
41 | ||
8d57beea | 42 | #define GETOPT_INTERFACE_VERSION 2 |
3db52d94 | 43 | #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 |
d38cd08c UD |
44 | #include <gnu-versions.h> |
45 | #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION | |
46 | #define ELIDE_CODE | |
47 | #endif | |
48 | #endif | |
49 | ||
50 | #ifndef ELIDE_CODE | |
28f540f4 RM |
51 | |
52 | ||
53 | /* This needs to come after some library #include | |
54 | to get __GNU_LIBRARY__ defined. */ | |
55 | #ifdef __GNU_LIBRARY__ | |
56 | #include <stdlib.h> | |
28f540f4 RM |
57 | #endif |
58 | ||
59 | #ifndef NULL | |
60 | #define NULL 0 | |
61 | #endif | |
62 | ||
63 | int | |
511676f7 UD |
64 | getopt_long (int argc, char *const *argv, const char *options, |
65 | const struct option *long_options, int *opt_index) | |
28f540f4 RM |
66 | { |
67 | return _getopt_internal (argc, argv, options, long_options, opt_index, 0); | |
68 | } | |
69 | ||
511676f7 UD |
70 | int |
71 | _getopt_long_r (int argc, char *const *argv, const char *options, | |
72 | const struct option *long_options, int *opt_index, | |
73 | struct _getopt_data *d) | |
74 | { | |
75 | return _getopt_internal_r (argc, argv, options, long_options, opt_index, | |
76 | 0, d); | |
77 | } | |
78 | ||
28f540f4 RM |
79 | /* Like getopt_long, but '-' as well as '--' can indicate a long option. |
80 | If an option that starts with '-' (not '--') doesn't match a long option, | |
81 | but does match a short option, it is parsed as a short option | |
82 | instead. */ | |
83 | ||
84 | int | |
511676f7 UD |
85 | getopt_long_only (int argc, char *const *argv, const char *options, |
86 | const struct option *long_options, int *opt_index) | |
28f540f4 RM |
87 | { |
88 | return _getopt_internal (argc, argv, options, long_options, opt_index, 1); | |
89 | } | |
90 | ||
511676f7 UD |
91 | int |
92 | _getopt_long_only_r (int argc, char *const *argv, const char *options, | |
93 | const struct option *long_options, int *opt_index, | |
94 | struct _getopt_data *d) | |
95 | { | |
96 | return _getopt_internal_r (argc, argv, options, long_options, opt_index, | |
97 | 1, d); | |
98 | } | |
28f540f4 | 99 | |
d38cd08c | 100 | #endif /* Not ELIDE_CODE. */ |
28f540f4 RM |
101 | \f |
102 | #ifdef TEST | |
103 | ||
104 | #include <stdio.h> | |
105 | ||
106 | int | |
511676f7 | 107 | main (int argc, char **argv) |
28f540f4 RM |
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); | |
1ef32c3d | 129 | if (c == -1) |
28f540f4 RM |
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 */ |