1 /* $NetBSD: getopt1.c,v 1.1.1.1 2016/01/13 18:41:48 christos Exp $ */
2
3 /* getopt_long and getopt_long_only entry points for GNU getopt.
4 Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98,2004
5 Free Software Foundation, Inc.
6 This file is part of the GNU C Library.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
11 any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation,
20 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
21
22 #ifdef HAVE_CONFIG_H
23 #include <config.h>
24 #endif
25
26 #ifdef _LIBC
27 # include <getopt.h>
28 #else
29 # include "getopt.h"
30 #endif
31 #include "getopt_int.h"
32
33 #include <stdio.h>
34
35 /* This needs to come after some library #include
36 to get __GNU_LIBRARY__ defined. */
37 #ifdef __GNU_LIBRARY__
38 #include <stdlib.h>
39 #endif
40
41 #ifndef NULL
42 #define NULL 0
43 #endif
44
45 int
getopt_long(int argc,char * __getopt_argv_const * argv,const char * options,const struct option * long_options,int * opt_index)46 getopt_long (int argc, char *__getopt_argv_const *argv, const char *options,
47 const struct option *long_options, int *opt_index)
48 {
49 return _getopt_internal (argc, (char **) argv, options, long_options,
50 opt_index, 0, 0);
51 }
52
53 int
_getopt_long_r(int argc,char ** argv,const char * options,const struct option * long_options,int * opt_index,struct _getopt_data * d)54 _getopt_long_r (int argc, char **argv, const char *options,
55 const struct option *long_options, int *opt_index,
56 struct _getopt_data *d)
57 {
58 return _getopt_internal_r (argc, argv, options, long_options, opt_index,
59 0, 0, d);
60 }
61
62 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
63 If an option that starts with '-' (not '--') doesn't match a long option,
64 but does match a short option, it is parsed as a short option
65 instead. */
66
67 int
getopt_long_only(int argc,char * __getopt_argv_const * argv,const char * options,const struct option * long_options,int * opt_index)68 getopt_long_only (int argc, char *__getopt_argv_const *argv,
69 const char *options,
70 const struct option *long_options, int *opt_index)
71 {
72 return _getopt_internal (argc, (char **) argv, options, long_options,
73 opt_index, 1, 0);
74 }
75
76 int
_getopt_long_only_r(int argc,char ** argv,const char * options,const struct option * long_options,int * opt_index,struct _getopt_data * d)77 _getopt_long_only_r (int argc, char **argv, const char *options,
78 const struct option *long_options, int *opt_index,
79 struct _getopt_data *d)
80 {
81 return _getopt_internal_r (argc, argv, options, long_options, opt_index,
82 1, 0, d);
83 }
84
85
86 #ifdef TEST
87
88 #include <stdio.h>
89
90 int
main(int argc,char ** argv)91 main (int argc, 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 == -1)
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 */
177