tests/test-perror.c

   1 /* Test of perror() function.
   2    Copyright (C) 2008-2024 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, see <https://www.gnu.org/licenses/>.  */
  16
  17 #include <config.h>
  18
  19 #include <stdio.h>
  20
  21 #include "signature.h"
  22 SIGNATURE_CHECK (perror, void, (char const *));
  23
  24 #include <errno.h>
  25
  26 int
  27 main (int argc, char **argv)
  28 {
  29   const char *prefix = (argc > 1 ? argv[1] : NULL);
  30
  31   errno = EACCES;    perror (prefix);
  32   errno = ETIMEDOUT; perror (prefix);
  33   errno = EOVERFLOW; perror (prefix);
  34
  35   return 0;
  36 }