home *** CD-ROM | disk | FTP | other *** search
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2004 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 1.9 2004/11/12 22:09:17 slouken 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(__i386)) || \
- defined(__ia64__) || defined(WIN32) || \
- (defined(__alpha__) || defined(__alpha)) || \
- defined(__arm__) || \
- (defined(__mips__) && defined(__MIPSEL__)) || \
- defined(__SYMBIAN32__) || \
- defined(__x86_64__) || \
- defined(__LITTLE_ENDIAN__)
- #define SDL_BYTEORDER SDL_LIL_ENDIAN
- #else
- #define SDL_BYTEORDER SDL_BIG_ENDIAN
- #endif
-
- #endif /* _SDL_byteorder_h */
-