1 | /* Regular expression tests. |
2 | Copyright (C) 2002-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <sys/types.h> |
20 | #include <mcheck.h> |
21 | #include <regex.h> |
22 | #include <stdio.h> |
23 | #include <stdlib.h> |
24 | |
25 | /* Tests supposed to not match. */ |
26 | struct |
27 | { |
28 | const char *pattern; |
29 | const char *string; |
30 | int flags, nmatch; |
31 | } tests[] = { |
32 | { "^<\\([^~]*\\)\\([^~]\\)[^~]*~\\1\\(.\\).*|=.*\\3.*\\2" , |
33 | "<,.8~2,~so-|=-~.0,123456789<><" , REG_NOSUB, 0 }, |
34 | /* In ERE, all carets must be treated as anchors. */ |
35 | { "a^b" , "a^b" , REG_EXTENDED, 0 } |
36 | }; |
37 | |
38 | int |
39 | main (void) |
40 | { |
41 | regex_t re; |
42 | regmatch_t rm[4]; |
43 | size_t i; |
44 | int n, ret = 0; |
45 | |
46 | mtrace (); |
47 | |
48 | for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i) |
49 | { |
50 | n = regcomp (preg: &re, pattern: tests[i].pattern, cflags: tests[i].flags); |
51 | if (n != 0) |
52 | { |
53 | char buf[500]; |
54 | regerror (errcode: n, preg: &re, errbuf: buf, errbuf_size: sizeof (buf)); |
55 | printf (format: "regcomp %zd failed: %s\n" , i, buf); |
56 | ret = 1; |
57 | continue; |
58 | } |
59 | |
60 | if (! regexec (preg: &re, String: tests[i].string, nmatch: tests[i].nmatch, |
61 | pmatch: tests[i].nmatch ? rm : NULL, eflags: 0)) |
62 | { |
63 | printf (format: "regexec %zd incorrectly matched\n" , i); |
64 | ret = 1; |
65 | } |
66 | |
67 | regfree (preg: &re); |
68 | } |
69 | |
70 | return ret; |
71 | } |
72 | |