shithub: riscv

ref: c3867623ae93eca77ba6e4f3d851240442f02caf
dir: /sys/src/games/doom/m_swap.h/

View raw version
// 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.
//
// DESCRIPTION:
//	Endianess handling, swapping 16bit and 32bit.
//
//-----------------------------------------------------------------------------


#ifndef __M_SWAP__
#define __M_SWAP__


#ifdef __GNUG__
#pragma interface
#endif


// Endianess handling.
// WAD files are stored little endian.
#ifdef __BIG_ENDIAN__
unsigned short	SwapSHORT(unsigned short);
unsigned long	SwapLONG(unsigned long);
#define SHORT(x)	((short)SwapSHORT((unsigned short) (x)))
#define LONG(x)         ((long)SwapLONG((unsigned long) (x)))
#else
#define SHORT(x)	(x)
#define LONG(x)         (x)
#endif




#endif
//-----------------------------------------------------------------------------
//
// $Log:$
//
//-----------------------------------------------------------------------------