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/* Test strncpy with size_t in the lower 32 bits of 64-bit register.
Copyright (C) 2019 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/>. */
#define TEST_NAME "strncpy"
#include "test-size_t.h"
IMPL (strncpy, 1)
typedef char *(*proto_t) (char *, const char*, size_t);
static void *
__attribute__ ((noinline, noclone))
do_strncpy (parameter_t a, parameter_t b)
{
return CALL (&b, a.p, b.p, a.len);
}
static int
test_main (void)
{
test_init ();
parameter_t dest = { { page_size }, buf1 };
parameter_t src = { { 0 }, buf2 };
int ret = 0;
FOR_EACH_IMPL (impl, 0)
{
src.fn = impl->fn;
do_strncpy (dest, src);
int res = strncmp (dest.p, src.p, dest.len);
if (res)
{
error (0, 0, "Wrong result in function %s: %i != 0",
impl->name, res);
ret = 1;
}
}
return ret ? EXIT_FAILURE : EXIT_SUCCESS;
}
#include <support/test-driver.c>
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