52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// $Id:$
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//
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// Copyright (C) 1993-1996 by id Software, Inc.
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//
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// This source is available for distribution and/or modification
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// only under the terms of the DOOM Source Code License as
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// published by id Software. All rights reserved.
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//
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// The source is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
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// for more details.
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//
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// DESCRIPTION:
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// Endianess handling, swapping 16bit and 32bit.
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//
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//-----------------------------------------------------------------------------
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#ifndef __M_SWAP__
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#define __M_SWAP__
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#ifdef __GNUG__
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#pragma interface
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#endif
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// Endianess handling.
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// WAD files are stored little endian.
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unsigned short SwapSHORT(const unsigned short);
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unsigned long SwapLONG(const unsigned long);
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unsigned short SHORTFromBytes(const unsigned char *pData);
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unsigned int INTFromBytes(const unsigned char *pData);
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#define SHORT_NORM(x) ((short)SwapSHORT((unsigned short) (x)))
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#define LONG(x) ((long)SwapLONG((unsigned long) (x)))
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//CGD: when accessing flash (directly) words/longs may not be aligned => crash
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// so load all per bytes
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#define SHORT(x) ((short)SHORTFromBytes((const unsigned char*)&(x##LE)))
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#endif
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//-----------------------------------------------------------------------------
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//
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// $Log:$
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//
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//-----------------------------------------------------------------------------
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