1 |
/* |
2 |
SDL - Simple DirectMedia Layer |
3 |
Copyright (C) 1997, 1998, 1999, 2000, 2001 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 |
slouken@devolution.com |
21 |
*/ |
22 |
|
23 |
#ifdef SAVE_RCSID |
24 |
static char rcsid = |
25 |
"@(#) $Id: SDL_byteorder.h,v 1.3.2.6 2001/02/17 18:24:20 hercules 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(WIN32) || \ |
43 |
(defined(__alpha__) || defined(__alpha)) || \ |
44 |
defined(__arm__) || \ |
45 |
(defined(__mips__) && defined(__MIPSEL__)) |
46 |
#define SDL_BYTEORDER SDL_LIL_ENDIAN |
47 |
#else |
48 |
#define SDL_BYTEORDER SDL_BIG_ENDIAN |
49 |
#endif |
50 |
|
51 |
#endif /* _SDL_byteorder_h */ |