53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/*
|
|
SDL - Simple DirectMedia Layer
|
|
Copyright (C) 1997, 1998, 1999, 2000, 2001 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@devolution.com
|
|
*/
|
|
|
|
#ifdef SAVE_RCSID
|
|
static char rcsid =
|
|
"@(#) $Id: SDL_byteorder.h,v 1.3 2001/05/10 20:25:51 hercules 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(WIN32UNDEFINED) || \
|
|
(defined(__alpha__) || defined(__alpha)) || \
|
|
defined(__arm__) || \
|
|
(defined(__mips__) && defined(__MIPSEL__)) || \
|
|
defined(__LITTLE_ENDIAN__)
|
|
#define SDL_BYTEORDER SDL_LIL_ENDIAN
|
|
#else
|
|
#define SDL_BYTEORDER SDL_BIG_ENDIAN
|
|
#endif
|
|
|
|
#endif /* _SDL_byteorder_h */
|