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/* Test RE_HAT_LISTS_NOT_NEWLINE and RE_DOT_NEWLINE.
Copyright (C) 2007-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <regex.h>
#include <stdio.h>
#include <string.h>
#include <support/test-driver.h>
#include <support/check.h>
struct tests
{
const char *regex;
const char *string;
reg_syntax_t syntax;
int retval;
};
static const struct tests tests[] = {
#define EGREP RE_SYNTAX_EGREP
#define EGREP_NL (RE_SYNTAX_EGREP | RE_DOT_NEWLINE) & ~RE_HAT_LISTS_NOT_NEWLINE
{ "a.b", "a\nb", EGREP, 0 },
{ "a.b", "a\nb", EGREP_NL, 0 },
{ "a[^x]b", "a\nb", EGREP, 0 },
{ "a[^x]b", "a\nb", EGREP_NL, 0 },
/* While \S and \W are internally handled as [^[:space:]] and [^[:alnum:]_],
RE_HAT_LISTS_NOT_NEWLINE did not make any difference, so ensure
it doesn't change. */
{ "a\\Sb", "a\nb", EGREP, -1 },
{ "a\\Sb", "a\nb", EGREP_NL, -1 },
{ "a\\Wb", "a\nb", EGREP, 0 },
{ "a\\Wb", "a\nb", EGREP_NL, 0 }
};
static const size_t tests_size = sizeof (tests) / sizeof (tests[0]);
static int
do_test (void)
{
struct re_pattern_buffer r;
for (size_t i = 0; i < tests_size; i++)
{
re_set_syntax (tests[i].syntax);
memset (&r, 0, sizeof (r));
const char *re = re_compile_pattern (tests[i].regex,
strlen (tests[i].regex), &r);
TEST_VERIFY (re == NULL);
if (re != NULL)
continue;
size_t len = strlen (tests[i].string);
int rv = re_search (&r, tests[i].string, len, 0, len, NULL);
TEST_VERIFY (rv == tests[i].retval);
if (test_verbose > 0)
printf ("info: i=%zu rv=%d expected=%d\n", i, rv, tests[i].retval);
regfree (&r);
}
return 0;
}
#include <support/test-driver.c>
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