1 /*
2 * This file has been modified for the cdrkit suite.
3 *
4 * The behaviour and appearence of the program code below can differ to a major
5 * extent from the version distributed by the original author(s).
6 *
7 * For details, see Changelog file distributed with the cdrkit package. If you
8 * received this file from another source then ask the distributing person for
9 * a log of modifications.
10 *
11 */
12
13 /* @(#)getopt1.c 1.1 97/11/04 eric */
14 /* getopt_long and getopt_long_only entry points for GNU getopt.
15 Copyright (C) 1987, 88, 89, 90, 91, 92, 1993
16 Free Software Foundation, Inc.
17
18 This program is free software; you can redistribute it and/or
19 modify it under the terms of the GNU Library General Public License
20 as published by the Free Software Foundation; either version 2, or
21 (at your option) any later version.
22
23 This program is distributed in the hope that it will be useful,
24 but WITHOUT ANY WARRANTY; without even the implied warranty of
25 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 GNU Library General Public License for more details.
27
28 You should have received a copy of the GNU Library General Public License
29 along with this program; if not, write to the Free Software
30 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
31
32 #ifdef HAVE_CONFIG_H
33 #if defined (emacs) || defined (CONFIG_BROKETS)
34 /* We use <config.h> instead of "config.h" so that a compilation
35 using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
36 (which it would do because it found this file in $srcdir). */
37 #include <config.h>
38 #else
39 #include "config.h"
40 #endif
41 #endif
42
43 #include "getopt.h"
44
45 #ifndef __STDC__
46 /* This is a separate conditional since some stdc systems
47 reject `defined (const)'. */
48 #ifndef const
49 #define const
50 #endif
51 #endif
52
53 #include <stdio.h>
54
55 /* Comment out all this code if we are using the GNU C Library, and are not
56 actually compiling the library itself. This code is part of the GNU C
57 Library, but also included in many other GNU distributions. Compiling
58 and linking in this code is a waste when using the GNU C library
59 (especially if it is a shared library). Rather than having every GNU
60 program understand `configure --with-gnu-libc' and omit the object files,
61 it is simpler to just do this in the source for each such file. */
62 /* Many versions of the Linux C library include older, broken versions
63 of these routines, which will break the linker's command-line
64 parsing. */
65
66 #if defined (_LIBC) || !defined (__GNU_LIBRARY__) || defined (__linux__)
67
68
69 /* This needs to come after some library #include
70 to get __GNU_LIBRARY__ defined. */
71 #ifdef __GNU_LIBRARY__
72 #include <stdlib.h>
73 #else
74 char *getenv ();
75 #endif
76
77 #ifndef NULL
78 #define NULL 0
79 #endif
80
81 int
getopt_long(int argc,char * const * argv,const char * options,const struct option * long_options,int * opt_index)82 getopt_long (int argc, char *const *argv, const char *options,
83 const struct option *long_options, int *opt_index)
84 {
85 return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
86 }
87
88 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
89 If an option that starts with '-' (not '--') doesn't match a long option,
90 but does match a short option, it is parsed as a short option
91 instead. */
92
93 int
getopt_long_only(int argc,char * const * argv,const char * options,const struct option * long_options,int * opt_index)94 getopt_long_only (int argc, char *const *argv, const char *options,
95 const struct option *long_options, int *opt_index)
96 {
97 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
98 }
99
100
101 #endif /* _LIBC or not __GNU_LIBRARY__. */
102
103 #ifdef TEST
104
105 #include <stdio.h>
106
107 int
main(int argc,char * argv[])108 main (int argc, char *argv[])
109 {
110 int c;
111 int digit_optind = 0;
112
113 while (1)
114 {
115 int this_option_optind = optind ? optind : 1;
116 int option_index = 0;
117 static struct option long_options[] =
118 {
119 {"add", 1, 0, 0},
120 {"append", 0, 0, 0},
121 {"delete", 1, 0, 0},
122 {"verbose", 0, 0, 0},
123 {"create", 0, 0, 0},
124 {"file", 1, 0, 0},
125 {0, 0, 0, 0}
126 };
127
128 c = getopt_long (argc, argv, "abc:d:0123456789",
129 long_options, &option_index);
130 if (c == EOF)
131 break;
132
133 switch (c)
134 {
135 case 0:
136 printf ("option %s", long_options[option_index].name);
137 if (optarg)
138 printf (" with arg %s", optarg);
139 printf ("\n");
140 break;
141
142 case '0':
143 case '1':
144 case '2':
145 case '3':
146 case '4':
147 case '5':
148 case '6':
149 case '7':
150 case '8':
151 case '9':
152 if (digit_optind != 0 && digit_optind != this_option_optind)
153 printf ("digits occur in two different argv-elements.\n");
154 digit_optind = this_option_optind;
155 printf ("option %c\n", c);
156 break;
157
158 case 'a':
159 printf ("option a\n");
160 break;
161
162 case 'b':
163 printf ("option b\n");
164 break;
165
166 case 'c':
167 printf ("option c with value `%s'\n", optarg);
168 break;
169
170 case 'd':
171 printf ("option d with value `%s'\n", optarg);
172 break;
173
174 case '?':
175 break;
176
177 default:
178 printf ("?? getopt returned character code 0%o ??\n", c);
179 }
180 }
181
182 if (optind < argc)
183 {
184 printf ("non-option ARGV-elements: ");
185 while (optind < argc)
186 printf ("%s ", argv[optind++]);
187 printf ("\n");
188 }
189
190 exit (0);
191 }
192
193 #endif /* TEST */
194