/* Test of perror() function.

   Copyright (C) 2008-2017 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, 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 <http://www.gnu.org/licenses/>.  */

#include <config.h>

#include <stdio.h>

#include "signature.h"

SIGNATURE_CHECK (perror, void, (char const *));

#include <errno.h>

int

main (int argc, char **argv)

{

  const char *prefix = (argc > 1 ? argv[1] : NULL);

  errno = EACCES;    perror (prefix);

  errno = ETIMEDOUT; perror (prefix);

  errno = EOVERFLOW; perror (prefix);

  return 0;

}