1/* t-syserror.c - System error specific regression test.
2   Copyright (C) 2006 g10 Code GmbH
3
4   This file is part of libgpg-error.
5
6   libgpg-error is free software; you can redistribute it and/or
7   modify it under the terms of the GNU Lesser General Public License
8   as published by the Free Software Foundation; either version 2.1 of
9   the License, or (at your option) any later version.
10
11   libgpg-error is distributed in the hope that it will be useful, but
12   WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   Lesser General Public License for more details.
15
16   You should have received a copy of the GNU Lesser General Public
17   License along with libgpgme-error; if not, write to the Free
18   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19   02110-1301, USA.  */
20
21
22#if HAVE_CONFIG_H
23#include <config.h>
24#endif
25
26#include <stdio.h>
27#if HAVE_STDLIB_H
28#include <stdlib.h>
29#endif
30#include <errno.h>
31
32#include <gpg-error.h>
33
34int
35main (int argc, char *argv[])
36{
37  FILE *fp;
38  int save_errno;
39  gpg_err_code_t ec;
40
41  fp = fopen ("/does-not-exist/110761/nowhere.foo", "r");
42  if (fp)
43    {
44      fclose (fp);
45      fp = fopen ("  no this file does not exists foo 4711", "r");
46    }
47  if (fp)
48    {
49      fprintf (stderr, "unable to run test\n");
50      return 1;
51    }
52  save_errno = errno;
53
54  ec = gpg_err_code_from_syserror ();
55  if (ec != GPG_ERR_ENOENT)
56    {
57      fprintf (stderr, "fopen failed with bad code: %d\n", save_errno);
58      return 1;
59    }
60
61  if (ec != gpg_err_code_from_errno (save_errno))
62    {
63      fprintf (stderr, "oops at %d\n",__LINE__);
64      return 1;
65    }
66
67  gpg_err_set_errno (0);
68
69  ec = gpg_err_code_from_syserror ();
70  if (ec != GPG_ERR_MISSING_ERRNO)
71    {
72      fprintf (stderr, "oops at %d\n",__LINE__);
73      return 1;
74    }
75
76  if ( gpg_err_code_from_errno (0) )
77    {
78      fprintf (stderr, "oops at %d\n",__LINE__);
79      return 1;
80    }
81
82
83  return 0;
84}
85