dxx-rebirth/misc/byteswap.h

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/*
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
*/
#ifndef _BYTESWAP_H
#define _BYTESWAP_H
#include "pstypes.h"
extern ushort swapshort(ushort s);
extern uint swapint(uint i);
#define SWAPSHORT(x) ( \
((ubyte)x << 8) | \
(((ushort)x) >> 8) \
)
#define SWAPINT(x) ( \
(x << 24) | \
(((ulong)x) >> 24) | \
((x & 0x0000ff00) << 8) | \
((x & 0x00ff0000) >> 8) \
)
#ifndef MACINTOSH
#define INTEL_INT(x) x
#define INTEL_SHORT(x) x
#else
#define INTEL_INT(x) SWAPINT(x)
#define INTEL_SHORT(x) SWAPSHORT(x)
#endif
#endif