Mercurial > sdl-ios-xcode
view include/SDL_byteorder.h @ 1030:6b8f0543337c
Date: Sat, 15 Jan 2005 15:06:01 -0600
From: Tyler Montbriand
Subject: [SDL] minor bugfix for test/testoverlay2.c
Programs that use malloc ought to #include <stdlib.h> . On 32-bit systems you
can get away with not including it, but on 64-bit systems it will assume
malloc() returns a 32-bit integer and butcher the 64-bit pointers it returns.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 18 Jan 2005 18:32:10 +0000 |
parents | cfb9518670f4 |
children | 0f9d463bf09c |
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/* 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 = "@(#) $Id$"; #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 */