/* 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 little endian.*/
#ifdef __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


