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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
/*
* fnmatch.c - Provide an interface to fnmatch(3) routine
*
* Arnold Robbins
* arnold@skeeve.com
* Written 7/2012
*/
/*
* Copyright (C) 2012, 2013, 2018 the Free Software Foundation, Inc.
*
* This file is part of GAWK, the GNU implementation of the
* AWK Programming Language.
*
* GAWK is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* GAWK 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#if HAVE_SYS_SYSMACROS_H
#include <sys/sysmacros.h>
#elif HAVE_SYS_MKDEV_H
#include <sys/mkdev.h>
#endif /* HAVE_SYS_MKDEV_H */
#include <sys/types.h>
#include "gawkapi.h"
#include "gettext.h"
#define _(msgid) gettext(msgid)
#define N_(msgid) msgid
#ifdef __VMS
#define __iswctype iswctype
#define __btowc btowc
#endif
#define _GNU_SOURCE 1 /* use GNU extensions if they're there */
#ifdef HAVE_FNMATCH_H
#include <fnmatch.h>
#else
#ifdef __VMS
#include "fnmatch.h" /* version that comes with gawk */
#else
#include "../missing_d/fnmatch.h" /* version that comes with gawk */
#endif
#define HAVE_FNMATCH_H
#endif
#ifndef HAVE_FNMATCH
#ifdef __VMS
#include "fnmatch.c" /* ditto */
#else
#include "../missing_d/fnmatch.c" /* ditto */
#endif
#define HAVE_FNMATCH
#endif
/* Provide GNU extensions as no-ops if not defined */
#ifndef FNM_CASEFOLD
#define FNM_CASEFOLD 0
#endif
#ifndef FNM_LEADING_DIR
#define FNM_LEADING_DIR 0
#endif
#ifndef FNM_FILE_NAME
#define FNM_FILE_NAME 0
#endif
static const gawk_api_t *api; /* for convenience macros to work */
static awk_ext_id_t ext_id;
static const char *ext_version = "fnmatch extension: version 1.0";
static awk_bool_t init_fnmatch(void);
static awk_bool_t (*init_func)(void) = init_fnmatch;
int plugin_is_GPL_compatible;
/* do_fnmatch --- implement the fnmatch interface */
static awk_value_t *
do_fnmatch(int nargs, awk_value_t *result, struct awk_ext_func *unused)
{
#ifdef HAVE_FNMATCH_H
static int flags_mask =
FNM_CASEFOLD | FNM_FILE_NAME |
FNM_LEADING_DIR | FNM_NOESCAPE |
FNM_PATHNAME | FNM_PERIOD ;
#endif
awk_value_t pattern, string, flags;
int int_flags, retval;
make_number(-1.0, result); /* default return */
#ifdef HAVE_FNMATCH
if (! get_argument(0, AWK_STRING, & pattern)) {
warning(ext_id, _("fnmatch: could not get first argument"));
goto out;
}
if (! get_argument(1, AWK_STRING, & string)) {
warning(ext_id, _("fnmatch: could not get second argument"));
goto out;
}
if (! get_argument(2, AWK_NUMBER, & flags)) {
warning(ext_id, _("fnmatch: could not get third argument"));
goto out;
}
int_flags = flags.num_value;
int_flags &= flags_mask;
retval = fnmatch(pattern.str_value.str,
string.str_value.str, int_flags);
make_number((double) retval, result);
out:
#else
fatal(ext_id, _("fnmatch is not implemented on this system\n"));
#endif
return result;
}
#define ENTRY(x) { #x, FNM_##x }
static struct fnmflags {
const char *name;
int value;
} flagtable[] = {
ENTRY(CASEFOLD),
ENTRY(FILE_NAME),
ENTRY(LEADING_DIR),
ENTRY(NOESCAPE),
ENTRY(PATHNAME),
ENTRY(PERIOD),
{ NULL, 0 }
};
/* init_fnmatch --- load array with flags */
static awk_bool_t
init_fnmatch(void)
{
int errors = 0;
#ifdef HAVE_FNMATCH
awk_value_t index, value, the_array;
awk_array_t new_array;
int i;
if (! sym_update("FNM_NOMATCH", make_number(FNM_NOMATCH, & value))) {
warning(ext_id, _("fnmatch init: could not add FNM_NOMATCH variable"));
errors++;
}
new_array = create_array();
for (i = 0; flagtable[i].name != NULL; i++) {
(void) make_const_string(flagtable[i].name,
strlen(flagtable[i].name), & index);
(void) make_number(flagtable[i].value, & value);
if (! set_array_element(new_array, & index, & value)) {
warning(ext_id, _("fnmatch init: could not set array element %s"),
flagtable[i].name);
errors++;
}
}
the_array.val_type = AWK_ARRAY;
the_array.array_cookie = new_array;
if (! sym_update("FNM", & the_array)) {
warning(ext_id, _("fnmatch init: could not install FNM array"));
errors++;
}
#endif
return errors == 0;
}
static awk_ext_func_t func_table[] = {
{ "fnmatch", do_fnmatch, 3, 3, awk_false, NULL },
};
/* define the dl_load function using the boilerplate macro */
dl_load_func(func_table, fnmatch, "")
|