1/* Test RE_HAT_LISTS_NOT_NEWLINE and RE_DOT_NEWLINE.
2 Copyright (C) 2007-2022 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 <regex.h>
20#include <stdio.h>
21#include <string.h>
22
23#include <support/test-driver.h>
24#include <support/check.h>
25
26struct tests
27{
28 const char *regex;
29 const char *string;
30 reg_syntax_t syntax;
31 int retval;
32};
33static const struct tests tests[] = {
34#define EGREP RE_SYNTAX_EGREP
35#define EGREP_NL (RE_SYNTAX_EGREP | RE_DOT_NEWLINE) & ~RE_HAT_LISTS_NOT_NEWLINE
36 { "a.b", "a\nb", EGREP, 0 },
37 { "a.b", "a\nb", EGREP_NL, 0 },
38 { "a[^x]b", "a\nb", EGREP, 0 },
39 { "a[^x]b", "a\nb", EGREP_NL, 0 },
40 /* While \S and \W are internally handled as [^[:space:]] and [^[:alnum:]_],
41 RE_HAT_LISTS_NOT_NEWLINE did not make any difference, so ensure
42 it doesn't change. */
43 { "a\\Sb", "a\nb", EGREP, -1 },
44 { "a\\Sb", "a\nb", EGREP_NL, -1 },
45 { "a\\Wb", "a\nb", EGREP, 0 },
46 { "a\\Wb", "a\nb", EGREP_NL, 0 }
47};
48static const size_t tests_size = sizeof (tests) / sizeof (tests[0]);
49
50static int
51do_test (void)
52{
53 struct re_pattern_buffer r;
54
55 for (size_t i = 0; i < tests_size; i++)
56 {
57 re_set_syntax (syntax: tests[i].syntax);
58 memset (&r, 0, sizeof (r));
59 const char *re = re_compile_pattern (pattern: tests[i].regex,
60 length: strlen (tests[i].regex), buffer: &r);
61 TEST_VERIFY (re == NULL);
62 if (re != NULL)
63 continue;
64
65 size_t len = strlen (tests[i].string);
66 int rv = re_search (buffer: &r, String: tests[i].string, length: len, start: 0, range: len, NULL);
67 TEST_VERIFY (rv == tests[i].retval);
68 if (test_verbose > 0)
69 printf (format: "info: i=%zu rv=%d expected=%d\n", i, rv, tests[i].retval);
70
71 regfree (preg: &r);
72 }
73
74 return 0;
75}
76
77#include <support/test-driver.c>
78

source code of glibc/posix/bug-regex28.c