view tests/test-perror.c @ 17530:8981b79e1271

error: make the module depend on vfprintf-posix * modules/error (Depends-on): Add vfprintf-posix, since error calls vfprintf unconditionally, via error_tail.
author Jim Meyering <meyering@fb.com>
date Sat, 12 Oct 2013 19:28:40 -0700
parents e542fd46ad6f
children 344018b6e5d7
line wrap: on
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/* Test of perror() function.
   Copyright (C) 2008-2013 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;
}