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/* Test closing a file or socket.
Copyright (C) 2011-2024 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
#include <unistd.h>
#include "signature.h"
SIGNATURE_CHECK (close, int, (int));
#include <errno.h>
#include <fcntl.h>
#include "macros.h"
int
main (void)
{
/* Test behaviour for invalid file descriptors. */
{
errno = 0;
ASSERT (close (-1) == -1);
ASSERT (errno == EBADF);
}
{
close (99);
errno = 0;
ASSERT (close (99) == -1);
ASSERT (errno == EBADF);
}
#ifdef AT_FDCWD
{
errno = 0;
ASSERT (close (AT_FDCWD) == -1);
ASSERT (errno == EBADF);
}
#endif
return test_exit_status;
}
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