// Emacs style mode select   -*- C++ -*- 
//-----------------------------------------------------------------------------
//
// $Id:$
//
// Copyright (C) 1993-1996 by id Software, 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
// of the License, 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.
//
// $Log:$
//
// DESCRIPTION:
//	Endianess handling, swapping 16bit and 32bit.
//
//-----------------------------------------------------------------------------

#include "m_swap.h"


// Needed for big endian.
#ifdef __BIG_ENDIAN__

// Swap 16bit, that is, MSB and LSB byte.
unsigned short SwapSHORT(unsigned short x)
{
    return
	((x>>8) & 0xff)
	| ((x<<8) & 0xff00);
}

// Swapping 32bit.
unsigned long SwapLONG( unsigned long x)
{
    return
	((x>>24) & 0xff)
	| ((x>>8) & 0xff00)
	| ((x<<8) & 0xff0000)
	| ((x<<24) & 0xff000000);
}


#endif