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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4973 | right-hear | 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
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| 3 | Copyright (C) 1997-2004 Sam Lantinga |
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| 4 | |||
| 5 | This library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Library General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2 of the License, or (at your option) any later version. |
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| 9 | |||
| 10 | This library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Library General Public License for more details. |
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| 14 | |||
| 15 | You should have received a copy of the GNU Library General Public |
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| 16 | License along with this library; if not, write to the Free |
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| 17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 18 | |||
| 19 | Sam Lantinga |
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| 20 | slouken@libsdl.org |
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| 21 | */ |
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| 22 | |||
| 23 | #ifdef SAVE_RCSID |
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| 24 | static char rcsid = |
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| 25 | "@(#) $Id: SDL_byteorder.h,v 1.8 2004/01/04 16:49:07 slouken Exp $"; |
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| 26 | #endif |
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| 27 | |||
| 28 | /* Macros for determining the byte-order of this platform */ |
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| 29 | |||
| 30 | #ifndef _SDL_byteorder_h |
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| 31 | #define _SDL_byteorder_h |
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| 32 | |||
| 33 | /* The two types of endianness */ |
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| 34 | #define SDL_LIL_ENDIAN 1234 |
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| 35 | #define SDL_BIG_ENDIAN 4321 |
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| 36 | |||
| 37 | /* Pardon the mess, I'm trying to determine the endianness of this host. |
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| 38 | I'm doing it by preprocessor defines rather than some sort of configure |
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| 39 | script so that application code can use this too. The "right" way would |
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| 40 | be to dynamically generate this file on install, but that's a lot of work. |
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| 41 | */ |
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| 42 | #if defined(__i386__) || defined(__ia64__) || defined(WIN32) || \ |
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| 43 | (defined(__alpha__) || defined(__alpha)) || \ |
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| 44 | defined(__arm__) || \ |
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| 45 | (defined(__mips__) && defined(__MIPSEL__)) || \ |
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| 46 | defined(__SYMBIAN32__) || \ |
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| 47 | defined(__x86_64__) || \ |
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| 48 | defined(__LITTLE_ENDIAN__) |
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| 49 | #define SDL_BYTEORDER SDL_LIL_ENDIAN |
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| 50 | #else |
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| 51 | #define SDL_BYTEORDER SDL_BIG_ENDIAN |
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| 52 | #endif |
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| 53 | |||
| 54 | #endif /* _SDL_byteorder_h */ |