51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/* $Id: byteswap.h,v 1.7 2003-04-12 00:11:46 btb Exp $ */
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/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* code to swap bytes because of big/little endian problems.
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*
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* Old Log:
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* Revision 1.4 1995/08/23 21:28:15 allender
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* fix mcc compiler warning
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*
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* Revision 1.3 1995/08/18 15:51:42 allender
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* put back in old byteswapping code
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*
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* Revision 1.2 1995/05/04 20:10:18 allender
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* proper prototypes
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*
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* Revision 1.1 1995/03/30 15:02:11 allender
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* Initial revision
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*
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*/
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#ifndef _BYTESWAP_H
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#define _BYTESWAP_H
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#include "pstypes.h"
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#define SWAPSHORT(x) (((ubyte)(x) << 8) | (((ushort)(x)) >> 8))
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#define SWAPINT(x) (((x)<<24) | (((uint)(x)) >> 24) | (((x) &0x0000ff00) << 8) | (((x) & 0x00ff0000) >> 8))
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#ifndef WORDS_BIGENDIAN
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#define INTEL_INT(x) x
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#define INTEL_SHORT(x) x
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#else
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#define INTEL_INT(x) SWAPINT(x)
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#define INTEL_SHORT(x) SWAPSHORT(x)
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#endif
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#endif
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