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/* Test strlen with 0 in the RSI register.
Copyright (C) 2021-2023 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/>. */
#ifdef WIDE
# define TEST_NAME "wcslen"
#else
# define TEST_NAME "strlen"
#endif /* WIDE */
#define TEST_MAIN
#include <string/test-string.h>
#ifdef WIDE
# include <wchar.h>
# define STRLEN wcslen
# define CHAR wchar_t
#else
# define STRLEN strlen
# define CHAR char
#endif /* WIDE */
IMPL (STRLEN, 1)
typedef size_t (*proto_t) (const CHAR *);
typedef struct
{
void (*fn) (void);
} parameter_t;
size_t
__attribute__ ((weak, noinline, noclone))
do_strlen (parameter_t *a, int zero, const CHAR *str)
{
return CALL (a, str);
}
static int
test_main (void)
{
test_init ();
size_t size = page_size / sizeof (CHAR) - 1;
CHAR *buf = (CHAR *) buf2;
buf[size] = 0;
parameter_t a;
int ret = 0;
FOR_EACH_IMPL (impl, 0)
{
a.fn = impl->fn;
/* NB: Pass 0 in RSI. */
size_t res = do_strlen (&a, 0, buf);
if (res != size)
{
error (0, 0, "Wrong result in function %s: %zu != %zu",
impl->name, res, size);
ret = 1;
}
}
return ret ? EXIT_FAILURE : EXIT_SUCCESS;
}
#include <support/test-driver.c>
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