diff options
Diffstat (limited to 'ioq3-r437/src/SDL12/include/SDL_byteorder.h')
| -rw-r--r-- | ioq3-r437/src/SDL12/include/SDL_byteorder.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/ioq3-r437/src/SDL12/include/SDL_byteorder.h b/ioq3-r437/src/SDL12/include/SDL_byteorder.h new file mode 100644 index 00000000..85b40b59 --- /dev/null +++ b/ioq3-r437/src/SDL12/include/SDL_byteorder.h @@ -0,0 +1,68 @@ +/* + 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 1.10 2005/09/08 06:49:20 icculus 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 + +#ifdef __linux__ +# include <endian.h> +# if BYTE_ORDER == LITTLE_ENDIAN +# define SDL_BYTEORDER SDL_LIL_ENDIAN +# else +# define SDL_BYTEORDER SDL_BIG_ENDIAN +# endif + +#else + +/* 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(__thumb__)) || \ + (defined(__sh__) || defined(__sh64__)) || \ + (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 /* __linux__ */ + +#endif /* _SDL_byteorder_h */ |