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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, 1993 | |
3 | Free Software Foundation, Inc. | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify it | |
6 | under the terms of the GNU General Public License as published by the | |
7 | Free Software Foundation; either version 2, or (at your option) any | |
8 | later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
18 | \f | |
19 | #ifdef HAVE_CONFIG_H | |
20 | #include "config.h" | |
21 | #endif | |
22 | ||
23 | #include "getopt.h" | |
24 | ||
25 | #if !__STDC__ && !defined(const) && IN_GCC | |
26 | #define const | |
27 | #endif | |
28 | ||
29 | #include <stdio.h> | |
30 | ||
31 | /* Comment out all this code if we are using the GNU C Library, and are not | |
32 | actually compiling the library itself. This code is part of the GNU C | |
33 | Library, but also included in many other GNU distributions. Compiling | |
34 | and linking in this code is a waste when using the GNU C library | |
35 | (especially if it is a shared library). Rather than having every GNU | |
36 | program understand `configure --with-gnu-libc' and omit the object files, | |
37 | it is simpler to just do this in the source for each such file. */ | |
38 | ||
39 | #if defined (_LIBC) || !defined (__GNU_LIBRARY__) | |
40 | ||
41 | ||
42 | /* This needs to come after some library #include | |
43 | to get __GNU_LIBRARY__ defined. */ | |
44 | #ifdef __GNU_LIBRARY__ | |
45 | #include <stdlib.h> | |
46 | #else | |
47 | char *getenv (); | |
48 | #endif | |
49 | ||
50 | #ifndef NULL | |
51 | #define NULL 0 | |
52 | #endif | |
53 | ||
54 | int | |
55 | getopt_long (argc, argv, options, long_options, opt_index) | |
56 | int argc; | |
57 | char *const *argv; | |
58 | const char *options; | |
59 | const struct option *long_options; | |
60 | int *opt_index; | |
61 | { | |
62 | return _getopt_internal (argc, argv, options, long_options, opt_index, 0); | |
63 | } | |
64 | ||
65 | /* Like getopt_long, but '-' as well as '--' can indicate a long option. | |
66 | If an option that starts with '-' (not '--') doesn't match a long option, | |
67 | but does match a short option, it is parsed as a short option | |
68 | instead. */ | |
69 | ||
70 | int | |
71 | getopt_long_only (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, 1); | |
79 | } | |
80 | ||
81 | ||
82 | #endif /* _LIBC or not __GNU_LIBRARY__. */ | |
83 | \f | |
84 | #ifdef TEST | |
85 | ||
86 | #include <stdio.h> | |
87 | ||
88 | int | |
89 | main (argc, argv) | |
90 | int argc; | |
91 | char **argv; | |
92 | { | |
93 | int c; | |
94 | int digit_optind = 0; | |
95 | ||
96 | while (1) | |
97 | { | |
98 | int this_option_optind = optind ? optind : 1; | |
99 | int option_index = 0; | |
100 | static struct option long_options[] = | |
101 | { | |
102 | {"add", 1, 0, 0}, | |
103 | {"append", 0, 0, 0}, | |
104 | {"delete", 1, 0, 0}, | |
105 | {"verbose", 0, 0, 0}, | |
106 | {"create", 0, 0, 0}, | |
107 | {"file", 1, 0, 0}, | |
108 | {0, 0, 0, 0} | |
109 | }; | |
110 | ||
111 | c = getopt_long (argc, argv, "abc:d:0123456789", | |
112 | long_options, &option_index); | |
113 | if (c == EOF) | |
114 | break; | |
115 | ||
116 | switch (c) | |
117 | { | |
118 | case 0: | |
119 | printf ("option %s", long_options[option_index].name); | |
120 | if (optarg) | |
121 | printf (" with arg %s", optarg); | |
122 | printf ("\n"); | |
123 | break; | |
124 | ||
125 | case '0': | |
126 | case '1': | |
127 | case '2': | |
128 | case '3': | |
129 | case '4': | |
130 | case '5': | |
131 | case '6': | |
132 | case '7': | |
133 | case '8': | |
134 | case '9': | |
135 | if (digit_optind != 0 && digit_optind != this_option_optind) | |
136 | printf ("digits occur in two different argv-elements.\n"); | |
137 | digit_optind = this_option_optind; | |
138 | printf ("option %c\n", c); | |
139 | break; | |
140 | ||
141 | case 'a': | |
142 | printf ("option a\n"); | |
143 | break; | |
144 | ||
145 | case 'b': | |
146 | printf ("option b\n"); | |
147 | break; | |
148 | ||
149 | case 'c': | |
150 | printf ("option c with value `%s'\n", optarg); | |
151 | break; | |
152 | ||
153 | case 'd': | |
154 | printf ("option d with value `%s'\n", optarg); | |
155 | break; | |
156 | ||
157 | case '?': | |
158 | break; | |
159 | ||
160 | default: | |
161 | printf ("?? getopt returned character code 0%o ??\n", c); | |
162 | } | |
163 | } | |
164 | ||
165 | if (optind < argc) | |
166 | { | |
167 | printf ("non-option ARGV-elements: "); | |
168 | while (optind < argc) | |
169 | printf ("%s ", argv[optind++]); | |
170 | printf ("\n"); | |
171 | } | |
172 | ||
173 | exit (0); | |
174 | } | |
175 | ||
176 | #endif /* TEST */ |