ReactOS  0.4.14-dev-583-g2a1ba2c
getopt1.c
Go to the documentation of this file.
1 /* getopt_long and getopt_long_only entry points for GNU getopt.
2  Copyright (C) 1987-2019 Free Software Foundation, Inc.
3  This file is part of the GNU C Library and is also part of gnulib.
4  Patches to this file should be submitted to both projects.
5 
6  The GNU C Library is free software; you can redistribute it and/or
7  modify it under the terms of the GNU Lesser General Public
8  License as published by the Free Software Foundation; either
9  version 2.1 of the License, or (at your option) any later version.
10 
11  The GNU C Library 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 GNU
14  Lesser General Public License for more details.
15 
16  You should have received a copy of the GNU Lesser General Public
17  License along with the GNU C Library; if not, see
18  <http://www.gnu.org/licenses/>. */
19 
20 #include "getopt.h"
21 #include "getopt_int.h"
22 
23 int
24 getopt_long (int argc, char *__getopt_argv_const *argv, const char *options,
25  const struct option *long_options, int *opt_index)
26 {
27  return _getopt_internal (argc, (char **) argv, options, long_options,
28  opt_index, 0, 0);
29 }
30 
31 int
32 _getopt_long_r (int argc, char **argv, const char *options,
33  const struct option *long_options, int *opt_index,
34  struct _getopt_data *d)
35 {
36  return _getopt_internal_r (argc, argv, options, long_options, opt_index,
37  0, d, 0);
38 }
39 
40 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
41  If an option that starts with '-' (not '--') doesn't match a long option,
42  but does match a short option, it is parsed as a short option
43  instead. */
44 
45 int
47  const char *options,
48  const struct option *long_options, int *opt_index)
49 {
50  return _getopt_internal (argc, (char **) argv, options, long_options,
51  opt_index, 1, 0);
52 }
53 
54 int
55 _getopt_long_only_r (int argc, char **argv, const char *options,
56  const struct option *long_options, int *opt_index,
57  struct _getopt_data *d)
58 {
59  return _getopt_internal_r (argc, argv, options, long_options, opt_index,
60  1, d, 0);
61 }
62 
63 
64 #ifdef TEST
65 
66 #include <stdio.h>
67 #include <stdlib.h>
68 
69 int
70 main (int argc, char **argv)
71 {
72  int c;
73  int digit_optind = 0;
74 
75  while (1)
76  {
77  int this_option_optind = optind ? optind : 1;
78  int option_index = 0;
79  static const struct option long_options[] =
80  {
81  {"add", 1, 0, 0},
82  {"append", 0, 0, 0},
83  {"delete", 1, 0, 0},
84  {"verbose", 0, 0, 0},
85  {"create", 0, 0, 0},
86  {"file", 1, 0, 0},
87  {0, 0, 0, 0}
88  };
89 
90  c = getopt_long (argc, argv, "abc:d:0123456789",
91  long_options, &option_index);
92  if (c == -1)
93  break;
94 
95  switch (c)
96  {
97  case 0:
98  printf ("option %s", long_options[option_index].name);
99  if (optarg)
100  printf (" with arg %s", optarg);
101  printf ("\n");
102  break;
103 
104  case '0':
105  case '1':
106  case '2':
107  case '3':
108  case '4':
109  case '5':
110  case '6':
111  case '7':
112  case '8':
113  case '9':
114  if (digit_optind != 0 && digit_optind != this_option_optind)
115  printf ("digits occur in two different argv-elements.\n");
116  digit_optind = this_option_optind;
117  printf ("option %c\n", c);
118  break;
119 
120  case 'a':
121  printf ("option a\n");
122  break;
123 
124  case 'b':
125  printf ("option b\n");
126  break;
127 
128  case 'c':
129  printf ("option c with value '%s'\n", optarg);
130  break;
131 
132  case 'd':
133  printf ("option d with value '%s'\n", optarg);
134  break;
135 
136  case '?':
137  break;
138 
139  default:
140  printf ("?? getopt returned character code 0%o ??\n", c);
141  }
142  }
143 
144  if (optind < argc)
145  {
146  printf ("non-option ARGV-elements: ");
147  while (optind < argc)
148  printf ("%s ", argv[optind++]);
149  printf ("\n");
150  }
151 
152  exit (0);
153 }
154 
155 #endif /* TEST */
static int argc
Definition: ServiceArgs.c:12
#define __getopt_argv_const
Definition: getopt.h:30
int getopt_long_only(int argc, char *__getopt_argv_const *argv, const char *options, const struct option *long_options, int *opt_index)
Definition: getopt1.c:46
int main(int argc, char *argv[])
Definition: atactl.cpp:1685
int optind
Definition: getopt.c:47
int getopt_long(int argc, char *__getopt_argv_const *argv, const char *options, const struct option *long_options, int *opt_index)
Definition: getopt1.c:24
int _getopt_long_r(int argc, char **argv, const char *options, const struct option *long_options, int *opt_index, struct _getopt_data *d)
Definition: getopt1.c:32
#define argv
Definition: mplay32.c:18
int _getopt_internal(optarg_ctx *o, int argc, WCHAR *const *argv, const WCHAR *optstring, const struct option *longopts, int *longind, int long_only)
Definition: getopt.cpp:157
int _getopt_internal_r(int argc, char **argv, const char *optstring, const struct option *longopts, int *longind, int long_only, struct _getopt_data *d, int posixly_correct)
Definition: getopt.c:468
static const struct option long_options[]
Definition: widl.c:185
Definition: getopt.h:108
#define d
Definition: ke_i.h:81
const GLubyte * c
Definition: glext.h:8905
int _getopt_long_only_r(int argc, char **argv, const char *options, const struct option *long_options, int *opt_index, struct _getopt_data *d)
Definition: getopt1.c:55
const char * optarg
Definition: getopt.c:49
Definition: name.c:38
#define c
Definition: ke_i.h:80
void exit(int exitcode)
Definition: _exit.c:33
#define printf
Definition: config.h:203