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/*
* Copyright � 2006-2013 SplinterGU (Fenix/Bennugd)
* Copyright � 2002-2006 Fenix Team (Fenix)
* Copyright � 1999-2002 Jos� Luis Cebri�n Pag�e (Fenix)
*
* This file is part of Bennu - Game Development
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
*/
#ifndef __ARRANGE_ST_H
#define __ARRANGE_ST_H
#include <stdint.h>
#define __LIL_ENDIAN 1234
#define __BIG_ENDIAN 4321
#if defined(__hppa__) || \
defined(__m68k__) || \
defined(mc68000) || \
defined(_M_M68K) || \
(defined(__MIPS__) && defined(__MISPEB__)) || \
defined(__ppc__) || \
defined(__POWERPC__) || \
defined(_M_PPC) || \
defined(__sparc__)
#define __BYTEORDER __BIG_ENDIAN
#else
#define __BYTEORDER __LIL_ENDIAN
#endif
/* ---------------------------------------------------------------------- */
/* Trucos de portabilidad */
/* ---------------------------------------------------------------------- */
#if __BYTEORDER == __LIL_ENDIAN
#define ARRANGE_DWORD(x)
#define ARRANGE_WORD(x)
#define ARRANGE_DWORDS(x,c)
#define ARRANGE_WORDS(x,c)
#else
static __inline__ void DO_Swap16(uint16_t * D) {
*D = ((*D<<8)|(*D>>8));
}
static __inline__ void DO_Swap32(uint32_t * D) {
*D = ((*D<<24)|((*D<<8)&0x00FF0000)|((*D>>8)&0x0000FF00)|(*D>>24));
}
#define ARRANGE_DWORD(x) DO_Swap32(x)
#define ARRANGE_WORD(x) DO_Swap16(x)
#define ARRANGE_DWORDS(x,c) { \
int __n; \
uint32_t * __p = (uint32_t *)(x); \
for (__n = 0 ; __n < (int)(c) ; __n++) \
ARRANGE_DWORD(&__p[__n]); \
}
#define ARRANGE_WORDS(x,c) { \
int __n; \
uint16_t * __p = (uint16_t *)(x); \
for (__n = 0 ; __n < (int)(c) ; __n++) \
ARRANGE_WORD(&__p[__n]); \
}
#endif
#endif
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