SDL_byteorder.h
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上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:2k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- Sam Lantinga
- slouken@libsdl.org
- */
- #ifdef SAVE_RCSID
- static char rcsid =
- "@(#) $Id: SDL_byteorder.h,v 1.4 2002/04/22 21:38:01 wmay Exp $";
- #endif
- /* Macros for determining the byte-order of this platform */
- #ifndef _SDL_byteorder_h
- #define _SDL_byteorder_h
- /* The two types of endianness */
- #define SDL_LIL_ENDIAN 1234
- #define SDL_BIG_ENDIAN 4321
- /* Pardon the mess, I'm trying to determine the endianness of this host.
- I'm doing it by preprocessor defines rather than some sort of configure
- script so that application code can use this too. The "right" way would
- be to dynamically generate this file on install, but that's a lot of work.
- */
- #if defined(__i386__) || defined(__ia64__) || defined(WIN32) ||
- (defined(__alpha__) || defined(__alpha)) ||
- defined(__arm__) ||
- (defined(__mips__) && defined(__MIPSEL__)) ||
- defined(__SYMBIAN32__) ||
- defined(__LITTLE_ENDIAN__)
- #define SDL_BYTEORDER SDL_LIL_ENDIAN
- #else
- #define SDL_BYTEORDER SDL_BIG_ENDIAN
- #endif
- #endif /* _SDL_byteorder_h */