]>
Commit | Line | Data |
---|---|---|
158c9e58 PE |
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 | ||
861bb6c1 JL |
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. */ | |
158c9e58 PE |
21 | \f |
22 | #ifdef HAVE_CONFIG_H | |
23 | #include <config.h> | |
24 | #endif | |
25 | ||
26 | #include "getopt.h" | |
27 | ||
28 | #if !defined (__STDC__) || !__STDC__ | |
29 | /* This is a separate conditional since some stdc systems | |
30 | reject `defined (const)'. */ | |
31 | #ifndef const | |
32 | #define const | |
33 | #endif | |
34 | #endif | |
35 | ||
36 | #include <stdio.h> | |
37 | ||
38 | /* Comment out all this code if we are using the GNU C Library, and are not | |
39 | actually compiling the library itself. This code is part of the GNU C | |
40 | Library, but also included in many other GNU distributions. Compiling | |
41 | and linking in this code is a waste when using the GNU C library | |
42 | (especially if it is a shared library). Rather than having every GNU | |
43 | program understand `configure --with-gnu-libc' and omit the object files, | |
44 | it is simpler to just do this in the source for each such file. */ | |
45 | ||
46 | #define GETOPT_INTERFACE_VERSION 2 | |
47 | #if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2 | |
48 | #include <gnu-versions.h> | |
49 | #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION | |
50 | #define ELIDE_CODE | |
51 | #endif | |
52 | #endif | |
53 | ||
54 | #ifndef ELIDE_CODE | |
55 | ||
56 | ||
57 | /* This needs to come after some library #include | |
58 | to get __GNU_LIBRARY__ defined. */ | |
59 | #ifdef __GNU_LIBRARY__ | |
60 | #include <stdlib.h> | |
61 | #endif | |
62 | ||
63 | #ifndef NULL | |
64 | #define NULL 0 | |
65 | #endif | |
66 | ||
67 | int | |
68 | getopt_long (argc, argv, options, long_options, opt_index) | |
69 | int argc; | |
70 | char *const *argv; | |
71 | const char *options; | |
72 | const struct option *long_options; | |
73 | int *opt_index; | |
74 | { | |
75 | return _getopt_internal (argc, argv, options, long_options, opt_index, 0); | |
76 | } | |
77 | ||
78 | /* Like getopt_long, but '-' as well as '--' can indicate a long option. | |
79 | If an option that starts with '-' (not '--') doesn't match a long option, | |
80 | but does match a short option, it is parsed as a short option | |
81 | instead. */ | |
82 | ||
83 | int | |
84 | getopt_long_only (argc, argv, options, long_options, opt_index) | |
85 | int argc; | |
86 | char *const *argv; | |
87 | const char *options; | |
88 | const struct option *long_options; | |
89 | int *opt_index; | |
90 | { | |
91 | return _getopt_internal (argc, argv, options, long_options, opt_index, 1); | |
92 | } | |
93 | ||
94 | ||
95 | #endif /* Not ELIDE_CODE. */ | |
96 | \f | |
97 | #ifdef TEST | |
98 | ||
99 | #include <stdio.h> | |
100 | ||
101 | int | |
102 | main (argc, argv) | |
103 | int argc; | |
104 | char **argv; | |
105 | { | |
106 | int c; | |
107 | int digit_optind = 0; | |
108 | ||
109 | while (1) | |
110 | { | |
111 | int this_option_optind = optind ? optind : 1; | |
112 | int option_index = 0; | |
113 | static struct option long_options[] = | |
114 | { | |
115 | {"add", 1, 0, 0}, | |
116 | {"append", 0, 0, 0}, | |
117 | {"delete", 1, 0, 0}, | |
118 | {"verbose", 0, 0, 0}, | |
119 | {"create", 0, 0, 0}, | |
120 | {"file", 1, 0, 0}, | |
121 | {0, 0, 0, 0} | |
122 | }; | |
123 | ||
124 | c = getopt_long (argc, argv, "abc:d:0123456789", | |
125 | long_options, &option_index); | |
126 | if (c == -1) | |
127 | break; | |
128 | ||
129 | switch (c) | |
130 | { | |
131 | case 0: | |
132 | printf ("option %s", long_options[option_index].name); | |
133 | if (optarg) | |
134 | printf (" with arg %s", optarg); | |
135 | printf ("\n"); | |
136 | break; | |
137 | ||
138 | case '0': | |
139 | case '1': | |
140 | case '2': | |
141 | case '3': | |
142 | case '4': | |
143 | case '5': | |
144 | case '6': | |
145 | case '7': | |
146 | case '8': | |
147 | case '9': | |
148 | if (digit_optind != 0 && digit_optind != this_option_optind) | |
149 | printf ("digits occur in two different argv-elements.\n"); | |
150 | digit_optind = this_option_optind; | |
151 | printf ("option %c\n", c); | |
152 | break; | |
153 | ||
154 | case 'a': | |
155 | printf ("option a\n"); | |
156 | break; | |
157 | ||
158 | case 'b': | |
159 | printf ("option b\n"); | |
160 | break; | |
161 | ||
162 | case 'c': | |
163 | printf ("option c with value `%s'\n", optarg); | |
164 | break; | |
165 | ||
166 | case 'd': | |
167 | printf ("option d with value `%s'\n", optarg); | |
168 | break; | |
169 | ||
170 | case '?': | |
171 | break; | |
172 | ||
173 | default: | |
174 | printf ("?? getopt returned character code 0%o ??\n", c); | |
175 | } | |
176 | } | |
177 | ||
178 | if (optind < argc) | |
179 | { | |
180 | printf ("non-option ARGV-elements: "); | |
181 | while (optind < argc) | |
182 | printf ("%s ", argv[optind++]); | |
183 | printf ("\n"); | |
184 | } | |
185 | ||
186 | exit (0); | |
187 | } | |
188 | ||
189 | #endif /* TEST */ |