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// Emacs style mode select   -*- C++ -*-

//-----------------------------------------------------------------------------

//

// $Id:$

//

// Copyright (C) 1993-1996 by id Software, Inc.

//

// This source is available for distribution and/or modification

// only under the terms of the DOOM Source Code License as

// published by id Software. All rights reserved.

//

// The source is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License

// for more details.

//

// $Log:$

//

// DESCRIPTION:

//	Endianess handling, swapping 16bit and 32bit.

//

//-----------------------------------------------------------------------------

static const char

rcsid[] = "$Id: m_bbox.c,v 1.1 1997/02/03 22:45:10 b1 Exp $";

#ifdef __GNUG__

#pragma implementation "m_swap.h"

#endif

#include "m_swap.h"

// Not needed with big endian.

#ifndef __BIG_ENDIAN__

// Swap 16bit, that is, MSB and LSB byte.

unsigned short SwapSHORT(unsigned short x)

{

    // No masking with 0xFF should be necessary.

    return (x>>8) | (x<<8);

}

// Swapping 32bit.

unsigned long SwapLONG( unsigned long x)

{

    return

	(x>>24)

	| ((x>>8) & 0xff00)

	| ((x<<8) & 0xff0000)

	| (x<<24);

}

#endif