gl/tests/test-perror.c

   1 /* Test of perror() function.
   2    Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software Foundation,
  16    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  17
  18 #include <config.h>
  19
  20 #include <stdio.h>
  21
  22 #include "signature.h"
  23 SIGNATURE_CHECK (perror, void, (char const *));
  24
  25 #include <errno.h>
  26
  27 int
  28 main (int argc, char **argv)
  29 {
  30   const char *prefix = (argc > 1 ? argv[1] : NULL);
  31
  32   errno = EACCES;    perror (prefix);
  33   errno = ETIMEDOUT; perror (prefix);
  34   errno = EOVERFLOW; perror (prefix);
  35
  36   return 0;
  37 }