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Annotation of sbbs/include/sdl/sdl_byteorder.h, revision 1.1

1.1     ! root        1: /*
        !             2:     SDL - Simple DirectMedia Layer
        !             3:     Copyright (C) 1997-2004 Sam Lantinga
        !             4: 
        !             5:     This library is free software; you can redistribute it and/or
        !             6:     modify it under the terms of the GNU Library General Public
        !             7:     License as published by the Free Software Foundation; either
        !             8:     version 2 of the License, or (at your option) any later version.
        !             9: 
        !            10:     This library is distributed in the hope that it will be useful,
        !            11:     but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            12:     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            13:     Library General Public License for more details.
        !            14: 
        !            15:     You should have received a copy of the GNU Library General Public
        !            16:     License along with this library; if not, write to the Free
        !            17:     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
        !            18: 
        !            19:     Sam Lantinga
        !            20:     [email protected]
        !            21: */
        !            22: 
        !            23: #ifdef SAVE_RCSID
        !            24: static char rcsid =
        !            25:  "@(#) $Id: SDL_byteorder.h,v 1.1.1.1 2005/11/18 23:23:29 rswindell Exp $";
        !            26: #endif
        !            27: 
        !            28: /* Macros for determining the byte-order of this platform */
        !            29: 
        !            30: #ifndef _SDL_byteorder_h
        !            31: #define _SDL_byteorder_h
        !            32: 
        !            33: /* The two types of endianness */
        !            34: #define SDL_LIL_ENDIAN 1234
        !            35: #define SDL_BIG_ENDIAN 4321
        !            36: 
        !            37: /* Pardon the mess, I'm trying to determine the endianness of this host.
        !            38:    I'm doing it by preprocessor defines rather than some sort of configure
        !            39:    script so that application code can use this too.  The "right" way would
        !            40:    be to dynamically generate this file on install, but that's a lot of work.
        !            41:  */
        !            42: #if (defined(__i386__) || defined(__i386)) || \
        !            43:      defined(__ia64__) || defined(WIN32) || \
        !            44:     (defined(__alpha__) || defined(__alpha)) || \
        !            45:      defined(__arm__) || \
        !            46:     (defined(__mips__) && defined(__MIPSEL__)) || \
        !            47:      defined(__SYMBIAN32__) || \
        !            48:      defined(__x86_64__) || \
        !            49:      defined(__LITTLE_ENDIAN__)
        !            50: #define SDL_BYTEORDER  SDL_LIL_ENDIAN
        !            51: #else
        !            52: #define SDL_BYTEORDER  SDL_BIG_ENDIAN
        !            53: #endif
        !            54: 
        !            55: #endif /* _SDL_byteorder_h */

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