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1 office 1 /* getopt_long and getopt_long_only entry points for GNU getopt.
2 Copyright (C) 1987-1994, 1996-1998, 2004, 2006, 2009-2016 Free Software
3 Foundation, Inc.
4 This file is part of the GNU C Library.
5  
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10  
11 This program 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
14 GNU General Public License for more details.
15  
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
18  
19 #ifdef _LIBC
20 # include <getopt.h>
21 #else
22 # include <config.h>
23 # include "getopt.h"
24 #endif
25 #include "getopt_int.h"
26  
27 #include <stdio.h>
28  
29 /* This needs to come after some library #include
30 to get __GNU_LIBRARY__ defined. */
31 #ifdef __GNU_LIBRARY__
32 #include <stdlib.h>
33 #endif
34  
35 #ifndef NULL
36 #define NULL 0
37 #endif
38  
39 /*
40 int
41 getopt_long (int argc, char *__getopt_argv_const *argv, const char *options,
42 const struct option *long_options, int *opt_index)
43 {
44 return _getopt_internal (argc, (char **) argv, options, long_options,
45 opt_index, 0, 0);
46 }
47 */
48  
49 int
50 _getopt_long_r (int argc, char **argv, const char *options,
51 const struct option *long_options, int *opt_index,
52 struct _getopt_data *d)
53 {
54 return _getopt_internal_r (argc, argv, options, long_options, opt_index,
55 0, d, 0);
56 }
57  
58 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
59 If an option that starts with '-' (not '--') doesn't match a long option,
60 but does match a short option, it is parsed as a short option
61 instead. */
62  
63 /*
64 int
65 getopt_long_only (int argc, char *__getopt_argv_const *argv,
66 const char *options,
67 const struct option *long_options, int *opt_index)
68 {
69 return _getopt_internal (argc, (char **) argv, options, long_options,
70 opt_index, 1, 0);
71 }
72 */
73  
74 int
75 _getopt_long_only_r (int argc, char **argv, const char *options,
76 const struct option *long_options, int *opt_index,
77 struct _getopt_data *d)
78 {
79 return _getopt_internal_r (argc, argv, options, long_options, opt_index,
80 1, d, 0);
81 }
82  
83  
84 #ifdef TEST
85  
86 #include <stdio.h>
87  
88 int
89 main (int argc, char **argv)
90 {
91 int c;
92 int digit_optind = 0;
93  
94 while (1)
95 {
96 int this_option_optind = optind ? optind : 1;
97 int option_index = 0;
98 static const struct option long_options[] =
99 {
100 {"add", 1, 0, 0},
101 {"append", 0, 0, 0},
102 {"delete", 1, 0, 0},
103 {"verbose", 0, 0, 0},
104 {"create", 0, 0, 0},
105 {"file", 1, 0, 0},
106 {0, 0, 0, 0}
107 };
108  
109 c = getopt_long (argc, argv, "abc:d:0123456789",
110 long_options, &option_index);
111 if (c == -1)
112 break;
113  
114 switch (c)
115 {
116 case 0:
117 printf ("option %s", long_options[option_index].name);
118 if (optarg)
119 printf (" with arg %s", optarg);
120 printf ("\n");
121 break;
122  
123 case '0':
124 case '1':
125 case '2':
126 case '3':
127 case '4':
128 case '5':
129 case '6':
130 case '7':
131 case '8':
132 case '9':
133 if (digit_optind != 0 && digit_optind != this_option_optind)
134 printf ("digits occur in two different argv-elements.\n");
135 digit_optind = this_option_optind;
136 printf ("option %c\n", c);
137 break;
138  
139 case 'a':
140 printf ("option a\n");
141 break;
142  
143 case 'b':
144 printf ("option b\n");
145 break;
146  
147 case 'c':
148 printf ("option c with value '%s'\n", optarg);
149 break;
150  
151 case 'd':
152 printf ("option d with value '%s'\n", optarg);
153 break;
154  
155 case '?':
156 break;
157  
158 default:
159 printf ("?? getopt returned character code 0%o ??\n", c);
160 }
161 }
162  
163 if (optind < argc)
164 {
165 printf ("non-option ARGV-elements: ");
166 while (optind < argc)
167 printf ("%s ", argv[optind++]);
168 printf ("\n");
169 }
170  
171 exit (0);
172 }
173  
174 #endif /* TEST */