original

[gb-231r1-is01/GB_2.3_IS01.git] / prebuilt / windows / sdl / host / include / SDL / SDL_byteorder.h

diff --git a/prebuilt/windows/sdl/host/include/SDL/SDL_byteorder.h b/prebuilt/windows/sdl/host/include/SDL/SDL_byteorder.h
new file mode 100644 (file)
index 0000000..e8b6a8d
--- /dev/null
+++ b/prebuilt/windows/sdl/host/include/SDL/SDL_byteorder.h
@@ -0,0 +1,55 @@
+/*
+    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 1.9 2004/11/12 22:09:17 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(__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 */