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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., 59 Temple Place, Suite 330, Boston, MA | |
19 | 02111-1307 USA. */ | |
20 | \f | |
21 | #ifdef HAVE_CONFIG_H | |
cfbba5b9 | 22 | #include "config.h" |
a23d5117 GI |
23 | #endif |
24 | ||
25 | #ifdef _LIBC | |
26 | # include <getopt.h> | |
27 | #else | |
28 | # include "getopt.h" | |
29 | #endif | |
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 | ||
70 | int | |
71 | getopt_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 | ||
86 | int | |
87 | getopt_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 | # ifdef _LIBC | |
98 | libc_hidden_def (getopt_long) | |
99 | libc_hidden_def (getopt_long_only) | |
100 | # endif | |
101 | ||
102 | #endif /* Not ELIDE_CODE. */ | |
103 | \f | |
104 | #ifdef TEST | |
105 | ||
106 | #include <stdio.h> | |
107 | ||
108 | int | |
109 | main (argc, argv) | |
110 | int argc; | |
111 | char **argv; | |
112 | { | |
113 | int c; | |
114 | int digit_optind = 0; | |
115 | ||
116 | while (1) | |
117 | { | |
118 | int this_option_optind = optind ? optind : 1; | |
119 | int option_index = 0; | |
120 | static struct option long_options[] = | |
121 | { | |
122 | {"add", 1, 0, 0}, | |
123 | {"append", 0, 0, 0}, | |
124 | {"delete", 1, 0, 0}, | |
125 | {"verbose", 0, 0, 0}, | |
126 | {"create", 0, 0, 0}, | |
127 | {"file", 1, 0, 0}, | |
128 | {0, 0, 0, 0} | |
129 | }; | |
130 | ||
131 | c = getopt_long (argc, argv, "abc:d:0123456789", | |
132 | long_options, &option_index); | |
133 | if (c == -1) | |
134 | break; | |
135 | ||
136 | switch (c) | |
137 | { | |
138 | case 0: | |
139 | printf ("option %s", long_options[option_index].name); | |
140 | if (optarg) | |
141 | printf (" with arg %s", optarg); | |
142 | printf ("\n"); | |
143 | break; | |
144 | ||
145 | case '0': | |
146 | case '1': | |
147 | case '2': | |
148 | case '3': | |
149 | case '4': | |
150 | case '5': | |
151 | case '6': | |
152 | case '7': | |
153 | case '8': | |
154 | case '9': | |
155 | if (digit_optind != 0 && digit_optind != this_option_optind) | |
156 | printf ("digits occur in two different argv-elements.\n"); | |
157 | digit_optind = this_option_optind; | |
158 | printf ("option %c\n", c); | |
159 | break; | |
160 | ||
161 | case 'a': | |
162 | printf ("option a\n"); | |
163 | break; | |
164 | ||
165 | case 'b': | |
166 | printf ("option b\n"); | |
167 | break; | |
168 | ||
169 | case 'c': | |
170 | printf ("option c with value `%s'\n", optarg); | |
171 | break; | |
172 | ||
173 | case 'd': | |
174 | printf ("option d with value `%s'\n", optarg); | |
175 | break; | |
176 | ||
177 | case '?': | |
178 | break; | |
179 | ||
180 | default: | |
181 | printf ("?? getopt returned character code 0%o ??\n", c); | |
182 | } | |
183 | } | |
184 | ||
185 | if (optind < argc) | |
186 | { | |
187 | printf ("non-option ARGV-elements: "); | |
188 | while (optind < argc) | |
189 | printf ("%s ", argv[optind++]); | |
190 | printf ("\n"); | |
191 | } | |
192 | ||
193 | exit (0); | |
194 | } | |
195 | ||
196 | #endif /* TEST */ |