view tests/test-byteswap.c @ 9084:2932e92d6e31

* lib/version-etc.c (version_etc_va): Default to GPLv3+. * NEWS: Document this change.
author Eric Blake <ebb9@byu.net>
date Tue, 10 Jul 2007 12:22:36 +0000
parents 1f57552cdb11
children bbbbbf4cd1c5
line wrap: on
line source

/* Test of <byteswap.h> substitute.
   Copyright (C) 2007 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 2, 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, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */

#include <config.h>

#include <byteswap.h>

#include <stdio.h>
#include <stdlib.h>

#define ASSERT(expr) \
  do									     \
    {									     \
      if (!(expr))							     \
        {								     \
          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
          abort ();							     \
        }								     \
    }									     \
  while (0)

int
main ()
{
  ASSERT (bswap_16 (0xABCD) == 0xCDAB);
  ASSERT (bswap_32 (0xDEADBEEF) == 0xEFBEADDE);

  return 0;
}