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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 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of the GNU C Library. Its master source is NOT part of | |
5 | the C library, however. The master source lives in /gd/gnu/lib. | |
6 | ||
7 | The GNU C Library is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Library General Public License as | |
9 | published by the Free Software Foundation; either version 3 of the | |
10 | License, or (at your option) any later version. | |
11 | ||
12 | The GNU C Library 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 GNU | |
15 | Library General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Library General Public | |
18 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
19 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | \f | |
22 | #include "common.h" | |
23 | #include "getopt.h" | |
24 | ||
25 | #ifndef IGNORE_GETOPT | |
26 | ||
27 | #if !defined (__STDC__) || !__STDC__ | |
28 | /* This is a separate conditional since some stdc systems | |
29 | reject `defined (const)'. */ | |
30 | #ifndef const | |
31 | #define const | |
32 | #endif | |
33 | #endif | |
34 | ||
35 | /* Comment out all this code if we are using the GNU C Library, and are not | |
36 | actually compiling the library itself. This code is part of the GNU C | |
37 | Library, but also included in many other GNU distributions. Compiling | |
38 | and linking in this code is a waste when using the GNU C library | |
39 | (especially if it is a shared library). Rather than having every GNU | |
40 | program understand `configure --with-gnu-libc' and omit the object files, | |
41 | it is simpler to just do this in the source for each such file. */ | |
42 | ||
43 | #define GETOPT_INTERFACE_VERSION 2 | |
44 | #if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2 | |
45 | #include <gnu-versions.h> | |
46 | #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION | |
47 | #define ELIDE_CODE | |
48 | #endif | |
49 | #endif | |
50 | ||
51 | #ifndef ELIDE_CODE | |
52 | ||
53 | ||
54 | /* This needs to come after some library #include | |
55 | to get __GNU_LIBRARY__ defined. */ | |
56 | #ifdef __GNU_LIBRARY__ | |
57 | #include <stdlib.h> | |
58 | #endif | |
59 | ||
60 | #ifndef NULL | |
61 | #define NULL 0 | |
62 | #endif | |
63 | ||
64 | int getopt_long (argc, argv, options, long_options, opt_index) | |
65 | int argc; | |
66 | char *const *argv; | |
67 | const char *options; | |
68 | const struct option *long_options; | |
69 | int *opt_index; | |
70 | { | |
71 | return _getopt_internal (argc, argv, options, long_options, opt_index, 0); | |
72 | } | |
73 | ||
74 | /* Like getopt_long, but '-' as well as '--' can indicate a long option. | |
75 | If an option that starts with '-' (not '--') doesn't match a long option, | |
76 | but does match a short option, it is parsed as a short option | |
77 | instead. */ | |
78 | ||
79 | #ifndef HAVE_GETOPT_LONG | |
80 | #define HAVE_GETOPT_LONG | |
81 | extern int | |
82 | getopt_long_only (argc, argv, options, long_options, opt_index) | |
83 | int argc; | |
84 | char *const *argv; | |
85 | const char *options; | |
86 | const struct option *long_options; | |
87 | int *opt_index; | |
88 | { | |
89 | return _getopt_internal (argc, argv, options, long_options, opt_index, 1); | |
90 | } | |
91 | ||
92 | #endif /* HAVE_GETOPT_LONG */ | |
93 | #endif /* Not ELIDE_CODE. */ | |
94 | \f | |
95 | #ifdef TEST | |
96 | ||
97 | #include <stdio.h> | |
98 | ||
99 | int | |
100 | main (argc, argv) | |
101 | int argc; | |
102 | char **argv; | |
103 | { | |
104 | int c; | |
105 | int digit_optind = 0; | |
106 | ||
107 | while (1) | |
108 | { | |
109 | int this_option_optind = optind ? optind : 1; | |
110 | int option_index = 0; | |
111 | static struct option long_options[] = | |
112 | { | |
113 | {"add", 1, 0, 0}, | |
114 | {"append", 0, 0, 0}, | |
115 | {"delete", 1, 0, 0}, | |
116 | {"verbose", 0, 0, 0}, | |
117 | {"create", 0, 0, 0}, | |
118 | {"file", 1, 0, 0}, | |
119 | {0, 0, 0, 0} | |
120 | }; | |
121 | ||
122 | c = getopt_long (argc, argv, "abc:d:0123456789", | |
123 | long_options, &option_index); | |
124 | if (c == -1) | |
125 | break; | |
126 | ||
127 | switch (c) | |
128 | { | |
129 | case 0: | |
130 | printf ("option %s", long_options[option_index].name); | |
131 | if (optarg) | |
132 | printf (" with arg %s", optarg); | |
133 | printf ("\n"); | |
134 | break; | |
135 | ||
136 | case '0': | |
137 | case '1': | |
138 | case '2': | |
139 | case '3': | |
140 | case '4': | |
141 | case '5': | |
142 | case '6': | |
143 | case '7': | |
144 | case '8': | |
145 | case '9': | |
146 | if (digit_optind != 0 && digit_optind != this_option_optind) | |
147 | printf ("digits occur in two different argv-elements.\n"); | |
148 | digit_optind = this_option_optind; | |
149 | printf ("option %c\n", c); | |
150 | break; | |
151 | ||
152 | case 'a': | |
153 | printf ("option a\n"); | |
154 | break; | |
155 | ||
156 | case 'b': | |
157 | printf ("option b\n"); | |
158 | break; | |
159 | ||
160 | case 'c': | |
161 | printf ("option c with value `%s'\n", optarg); | |
162 | break; | |
163 | ||
164 | case 'd': | |
165 | printf ("option d with value `%s'\n", optarg); | |
166 | break; | |
167 | ||
168 | case '?': | |
169 | break; | |
170 | ||
171 | default: | |
172 | printf ("?? getopt returned character code 0%o ??\n", c); | |
173 | } | |
174 | } | |
175 | ||
176 | if (optind < argc) | |
177 | { | |
178 | printf ("non-option ARGV-elements: "); | |
179 | while (optind < argc) | |
180 | printf ("%s ", argv[optind++]); | |
181 | printf ("\n"); | |
182 | } | |
183 | ||
184 | exit (0); | |
185 | } | |
186 | ||
187 | #endif /* TEST */ | |
188 | #endif /* IGNORE_GETOPT */ |