From ea1947ffcc606d757357398b24e74a3f4ecefa07 Mon Sep 17 00:00:00 2001 From: neonloop Date: Wed, 20 Oct 2021 14:54:27 +0000 Subject: Initial commit from steward-fu release --- core/include/arrange.h | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 core/include/arrange.h (limited to 'core/include/arrange.h') diff --git a/core/include/arrange.h b/core/include/arrange.h new file mode 100644 index 0000000..d3eac98 --- /dev/null +++ b/core/include/arrange.h @@ -0,0 +1,86 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (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 + + #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 -- cgit v1.2.3