/* t-syserror.c - System error specific regression test.

   Copyright (C) 2006 g10 Code GmbH

   This file is part of libgpg-error.

   libgpg-error is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public License

   as published by the Free Software Foundation; either version 2.1 of

   the License, or (at your option) any later version.

   libgpg-error 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with libgpgme-error; if not, write to the Free

   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

   02110-1301, USA.  */

#if HAVE_CONFIG_H

#include <config.h>

#endif

#include <stdio.h>

#if HAVE_STDLIB_H

#include <stdlib.h>

#endif

#include <errno.h>

#include <gpg-error.h>

int

main (int argc, char *argv[])

{

  FILE *fp;

  int save_errno;

  gpg_err_code_t ec;

  (void)argc;

  (void)argv;

  fp = fopen ("/does-not-exist/110761/nowhere.foo", "r");

  if (fp)

    {

      fclose (fp);

      fp = fopen ("  no this file does not exists foo 4711", "r");

    }

  if (fp)

    {

      fprintf (stderr, "unable to run test\n");

      return 1;

    }

  save_errno = errno;

  ec = gpg_err_code_from_syserror ();

  if (ec != GPG_ERR_ENOENT)

    {

      fprintf (stderr, "fopen failed with bad code: %d\n", save_errno);

      return 1;

    }

  if (ec != gpg_err_code_from_errno (save_errno))

    {

      fprintf (stderr, "oops at %d\n",__LINE__);

      return 1;

    }

  gpg_err_set_errno (0);

  ec = gpg_err_code_from_syserror ();

  if (ec != GPG_ERR_MISSING_ERRNO)

    {

      fprintf (stderr, "oops at %d\n",__LINE__);

      return 1;

    }

  if ( gpg_err_code_from_errno (0) )

    {

      fprintf (stderr, "oops at %d\n",__LINE__);

      return 1;

    }

  return 0;

}