/* Test of <stdlib.h> substitute.

   Copyright (C) 2007, 2009-2019 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/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */

#include <config.h>

#include <stdlib.h>

#include "verify.h"

/* Check that EXIT_SUCCESS is 0, per POSIX.  */

static int exitcode = EXIT_SUCCESS;

#if EXIT_SUCCESS

"oops"

#endif

/* Check for GNU value (not guaranteed by POSIX, but is guaranteed by

   gnulib).  */

#if EXIT_FAILURE != 1

"oops"

#endif

/* Check that NULL can be passed through varargs as a pointer type,

   per POSIX 2008.  */

verify (sizeof NULL == sizeof (void *));

#if GNULIB_TEST_SYSTEM_POSIX

# include "test-sys_wait.h"

#else

# define test_sys_wait_macros() 0

#endif

int

main (void)

{

  if (test_sys_wait_macros ())

    return 1;

  return exitcode;

}