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/* Check that gettimeofday does not clobber errno.
Copyright (C) 2021-2024 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 <errno.h>
#include <stddef.h>
#include <support/check.h>
#include <sys/time.h>
static int
do_test (void)
{
for (int original_errno = 0; original_errno < 2; ++original_errno)
{
errno = original_errno;
struct timeval tv;
gettimeofday (&tv, NULL);
TEST_COMPARE (errno, original_errno);
}
return 0;
}
#include <support/test-driver.c>
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