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-rw-r--r--code/unix/SDL12/include/SDL_byteorder.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/code/unix/SDL12/include/SDL_byteorder.h b/code/unix/SDL12/include/SDL_byteorder.h
new file mode 100644
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+++ b/code/unix/SDL12/include/SDL_byteorder.h
@@ -0,0 +1,55 @@
+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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 1.6 2002/03/06 11:23:01 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(__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 */
+