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
|
/*
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright © 2020 Keith Packard
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <regex.h>
#include <stdbool.h>
#define MAX_MATCH 10
struct test {
const char *pattern;
const char *string;
int ret;
int nmatch;
regmatch_t matches[MAX_MATCH];
};
struct test tests[] = {
{ .pattern = ".", .string = "xxx",
.ret = 0, .nmatch = 1, .matches = { { .rm_so = 0, .rm_eo = 1 } }
},
{ .pattern = ".*", .string = "xxx",
.ret = 0, .nmatch = 1, .matches = { { .rm_so = 0, .rm_eo = 3 } }
},
{ .pattern = "(.)(.)(.)", .string = "xxx",
.ret = 0, .nmatch = 4, .matches = {
{ .rm_so = 0, .rm_eo = 3 },
{ .rm_so = 0, .rm_eo = 1 },
{ .rm_so = 1, .rm_eo = 2 },
{ .rm_so = 2, .rm_eo = 3 },
},
},
{ .pattern = "x[a-c]*y", .string = "fooxaccabybar",
.ret = 0, .nmatch = 1, .matches = { { .rm_so = 3, .rm_eo = 10 } }
},
};
#define NTEST (sizeof(tests)/sizeof(tests[0]))
int
main(int argc, char **argv)
{
int t;
int m;
int errors = 0;
regmatch_t matches[MAX_MATCH];
regex_t regex;
int ret;
int run = 0;
for (t = 0; t < NTEST; t++) {
ret = regcomp(®ex, tests[t].pattern, REG_EXTENDED);
if (ret != 0) {
printf("expression \"%s\" failed to compile: %d\n", tests[t].pattern, ret);
errors++;
continue;
}
ret = regexec(®ex, tests[t].string, MAX_MATCH, matches, 0);
regfree(®ex);
if (ret != tests[t].ret) {
printf("match \"%s\" with \"%s\" bad result got %d != expect %d\n",
tests[t].pattern, tests[t].string, ret, tests[t].ret);
errors++;
continue;
}
if (ret == 0) {
for (m = 0; m < MAX_MATCH; m++) {
if (m < tests[t].nmatch) {
if (matches[m].rm_so != tests[t].matches[m].rm_so ||
matches[m].rm_eo != tests[t].matches[m].rm_eo) {
printf("match %d wrong range got (%ld,%ld) expect (%ld,%ld)\n",
m,
matches[m].rm_so,
matches[m].rm_eo,
tests[t].matches[m].rm_so,
tests[t].matches[m].rm_eo);
errors++;
}
} else {
if (matches[m].rm_so != -1) {
printf("match %d should be unused\n",
m);
errors++;
}
}
}
}
++run;
}
printf("regex: %d tests %d errors\n", run, errors);
fflush(stdout);
return errors;
}
|
