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/* Test case for memrchr inside a transactionally executing RTM region.
Copyright (C) 2021-2025 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 <tst-string-rtm.h>
#define LOOP 3000
#define STRING_SIZE 1024
char string1[STRING_SIZE];
__attribute_optimization_barrier__
static int
prepare (void)
{
memset (string1, 'a', STRING_SIZE);
string1[100] = 'c';
string1[STRING_SIZE - 100] = 'c';
char *p = memrchr (string1, 'c', STRING_SIZE);
if (p == &string1[STRING_SIZE - 100])
return EXIT_SUCCESS;
else
return EXIT_FAILURE;
}
__attribute_optimization_barrier__
static int
function (void)
{
char *p = memrchr (string1, 'c', STRING_SIZE);
if (p == &string1[STRING_SIZE - 100])
return 0;
else
return 1;
}
static int
do_test (void)
{
return do_test_1 ("memrchr", LOOP, prepare, function);
}
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