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/* Test acquiring ownership of the slave side of a pseudo-terminal.
   Copyright (C) 2011-2025 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 <stdlib.h>

#include "signature.h"
SIGNATURE_CHECK (grantpt, int, (int));

#include <errno.h>
#include <unistd.h>

#include "macros.h"

int
main (void)
{
  /* Test behaviour for invalid file descriptors.
     These calls don't fail on OpenBSD (with gnulib's replacement) and on
     musl libc.  */
  {
    int ret;

    errno = 0;
    ret = grantpt (-1);
    if (ret != 0)
      {
        ASSERT (ret == -1);
        ASSERT (errno == EBADF
                || errno == EINVAL /* seen on FreeBSD 6.4 */
                || errno == 0 /* seen on Solaris 8 */
               );
      }
  }
  {
    int ret;

    close (99);
    errno = 0;
    ret = grantpt (99);
    if (ret != 0)
      {
        ASSERT (ret == -1);
        ASSERT (errno == EBADF
                || errno == EINVAL /* seen on FreeBSD 6.4 */
                || errno == 0 /* seen on Solaris 8 */
               );
      }
  }

  return test_exit_status;
}
kc3-lang/gnulib/tests/test-grantpt.c

Commit

tests/test-grantpt.c
