1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/* gnu_getopt_long and getopt_long_only entry points for GNU getopt.
Copyright (C) 1987,88,89,90,91,92,93,94,96,97 Free Software Foundation, Inc.
This file is part of the GNU C Library. Its master source is NOT part of
the C library, however. The master source lives in /gd/gnu/lib.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/*
* modified July 9, 1999 by mark gates <mgates@nlanr.net>
* Dec 17, 1999
*
* renamed all functions and variables by prepending "gnu_"
* removed/redid a bunch of stuff under the assumption we're
* using a modern standard C compiler.
* renamed file to gnu_getopt_long.c (from gnu_getopt1.c)
*
* $Id: gnu_getopt_long.c,v 1.1.1.1 2004/05/18 01:50:44 kgibbs Exp $
*/
#include "gnu_getopt.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif
int
gnu_getopt_long( int argc,
char *const *argv,
const char *options,
const struct option *long_options,
int *opt_index ) {
return _gnu_getopt_internal (argc, argv, options, long_options, opt_index, 0);
}
/* Like gnu_getopt_long, but '-' as well as '--' can indicate a long option.
If an option that starts with '-' (not '--') doesn't match a long option,
but does match a short option, it is parsed as a short option
instead. */
int
gnu_getopt_long_only( int argc,
char *const *argv,
const char *options,
const struct option *long_options,
int *opt_index ) {
return _gnu_getopt_internal (argc, argv, options, long_options, opt_index, 1);
}
#ifdef __cplusplus
} /* end extern "C" */
#endif
#ifdef TEST
#include <stdio.h>
int
main (argc, argv)
int argc;
char **argv;
{
int c;
int digit_optind = 0;
while ( 1 ) {
int this_option_optind = gnu_optind ? gnu_optind : 1;
int option_index = 0;
static struct option long_options[] =
{
{"add", 1, 0, 0},
{"append", 0, 0, 0},
{"delete", 1, 0, 0},
{"verbose", 0, 0, 0},
{"create", 0, 0, 0},
{"file", 1, 0, 0},
{0, 0, 0, 0}
};
c = gnu_getopt_long (argc, argv, "abc:d:0123456789",
long_options, &option_index);
if ( c == -1 )
break;
switch ( c ) {
case 0:
fprintf ( stderr, "option %s", long_options[option_index].name);
if ( gnu_optarg )
fprintf ( stderr, " with arg %s", gnu_optarg);
fprintf ( stderr, "\n");
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
if ( digit_optind != 0 && digit_optind != this_option_optind )
fprintf ( stderr, "digits occur in two different argv-elements.\n");
digit_optind = this_option_optind;
fprintf ( stderr, "option %c\n", c);
break;
case 'a':
fprintf ( stderr, "option a\n");
break;
case 'b':
fprintf ( stderr, "option b\n");
break;
case 'c':
fprintf ( stderr, "option c with value `%s'\n", gnu_optarg);
break;
case 'd':
fprintf ( stderr, "option d with value `%s'\n", gnu_optarg);
break;
case '?':
break;
default:
fprintf ( stderr, "?? gnu_getopt returned character code 0%o ??\n", c);
}
}
if ( gnu_optind < argc ) {
fprintf ( stderr, "non-option ARGV-elements: ");
while ( gnu_optind < argc )
fprintf ( stderr, "%s ", argv[gnu_optind++]);
fprintf ( stderr, "\n");
}
exit (0);
}
#endif /* TEST */
|
