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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _OSL_ENDIAN_H_
+#define _OSL_ENDIAN_H_
+
+#include <sal/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Determine the platform byte order as _BIG_ENDIAN, _LITTLE_ENDIAN, ...
+ */
+#ifdef _WIN32
+# if defined(_M_IX86)
+# define _LITTLE_ENDIAN
+# elif defined(_M_MRX000)
+# define _LITTLE_ENDIAN
+# elif defined(_M_ALPHA)
+# define _LITTLE_ENDIAN
+# elif defined(_M_PPC)
+# define _LITTLE_ENDIAN
+# endif
+#endif
+
+#ifdef LINUX
+# include <endian.h>
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+# ifndef _LITTLE_ENDIAN
+# define _LITTLE_ENDIAN
+# endif
+# elif __BYTE_ORDER == __BIG_ENDIAN
+# ifndef _BIG_ENDIAN
+# define _BIG_ENDIAN
+# endif
+# elif __BYTE_ORDER == __PDP_ENDIAN
+# define _PDP_ENDIAN
+# endif
+#endif
+
+#ifdef NETBSD
+# include <machine/endian.h>
+# if BYTE_ORDER == LITTLE_ENDIAN
+# define _LITTLE_ENDIAN
+# elif BYTE_ORDER == BIG_ENDIAN
+# define _BIG_ENDIAN
+# elif BYTE_ORDER == PDP_ENDIAN
+# define _PDP_ENDIAN
+# endif
+#endif
+
+#ifdef FREEBSD
+# include <sys/param.h>
+# include <machine/endian.h>
+#if __FreeBSD_version < 500000
+# if BYTE_ORDER == LITTLE_ENDIAN
+# define _LITTLE_ENDIAN
+# elif BYTE_ORDER == BIG_ENDIAN
+# define _BIG_ENDIAN
+# elif BYTE_ORDER == PDP_ENDIAN
+# define _PDP_ENDIAN
+# endif
+#endif
+#endif
+
+#ifdef SCO
+# include <sys/types.h>
+# include <sys/byteorder.h>
+# if BYTE_ORDER == LITTLE_ENDIAN
+# define _LITTLE_ENDIAN
+# elif BYTE_ORDER == BIG_ENDIAN
+# define _BIG_ENDIAN
+# elif BYTE_ORDER == PDP_ENDIAN
+# define _PDP_ENDIAN
+# endif
+#endif
+
+#ifdef AIX
+# include <sys/machine.h>
+# if BYTE_ORDER == LITTLE_ENDIAN
+# define _LITTLE_ENDIAN
+# elif BYTE_ORDER == BIG_ENDIAN
+# define _BIG_ENDIAN
+# elif BYTE_ORDER == PDP_ENDIAN
+# define _PDP_ENDIAN
+# endif
+#endif
+
+#ifdef HPUX
+# include <machine/param.h>
+#endif
+
+#ifdef _WIN16
+# define _LITTLE_ENDIAN
+#endif
+
+#ifdef OS2
+# include <machine/endian.h>
+#endif
+
+#ifdef SOLARIS
+# include <sys/isa_defs.h>
+#endif
+
+#ifdef MACOSX
+# include <machine/endian.h>
+# if BYTE_ORDER == LITTLE_ENDIAN
+# ifndef _LITTLE_ENDIAN
+# define _LITTLE_ENDIAN
+# endif
+# elif BYTE_ORDER == BIG_ENDIAN
+# ifndef _BIG_ENDIAN
+# define _BIG_ENDIAN
+# endif
+# elif BYTE_ORDER == PDP_ENDIAN
+# ifndef _PDP_ENDIAN
+# define _PDP_ENDIAN
+# endif
+# endif
+#endif
+
+/** Check supported platform.
+ */
+#if !defined(_WIN32) && !defined(_WIN16) && !defined(OS2) && \
+ !defined(LINUX) && !defined(NETBSD) && !defined(SCO) && \
+ !defined(AIX) && !defined(HPUX) && \
+ !defined(SOLARIS) && !defined(MACOSX) && !defined(FREEBSD)
+# error "Target platform not specified !"
+#endif
+
+
+/** Define the determined byte order as OSL_BIGENDIAN or OSL_LITENDIAN.
+ */
+#if defined _LITTLE_ENDIAN
+# define OSL_LITENDIAN
+#elif defined _BIG_ENDIAN
+# define OSL_BIGENDIAN
+#else
+# error undetermined endianess
+#endif
+
+
+/** Define macros for byte order manipulation.
+ */
+#ifndef OSL_MAKEBYTE
+# define OSL_MAKEBYTE(nl, nh) ((sal_uInt8)(((nl) & 0x0F) | (((nh) & 0x0F) << 4)))
+#endif
+#ifndef OSL_LONIBBLE
+# define OSL_LONIBBLE(b) ((sal_uInt8)((b) & 0x0F))
+#endif
+#ifndef OSL_HINIBBLE
+# define OSL_HINIBBLE(b) ((sal_uInt8)(((b) >> 4) & 0x0F))
+#endif
+
+#ifndef OSL_MAKEWORD
+# define OSL_MAKEWORD(bl, bh) ((sal_uInt16)((bl) & 0xFF) | (((sal_uInt16)(bh) & 0xFF) << 8))
+#endif
+#ifndef OSL_LOBYTE
+# define OSL_LOBYTE(w) ((sal_uInt8)((sal_uInt16)(w) & 0xFF))
+#endif
+#ifndef OSL_HIBYTE
+# define OSL_HIBYTE(w) ((sal_uInt8)(((sal_uInt16)(w) >> 8) & 0xFF))
+#endif
+
+#ifndef OSL_MAKEDWORD
+# define OSL_MAKEDWORD(wl, wh) ((sal_uInt32)((wl) & 0xFFFF) | (((sal_uInt32)(wh) & 0xFFFF) << 16))
+#endif
+#ifndef OSL_LOWORD
+# define OSL_LOWORD(d) ((sal_uInt16)((sal_uInt32)(d) & 0xFFFF))
+#endif
+#ifndef OSL_HIWORD
+# define OSL_HIWORD(d) ((sal_uInt16)(((sal_uInt32)(d) >> 16) & 0xFFFF))
+#endif
+
+
+/** Define macros for swapping between host and network byte order.
+ */
+#ifdef OSL_BIGENDIAN
+#ifndef OSL_NETWORD
+# define OSL_NETWORD(w) (sal_uInt16)(w)
+#endif
+#ifndef OSL_NETDWORD
+# define OSL_NETDWORD(d) (sal_uInt32)(d)
+#endif
+#else /* OSL_LITENDIAN */
+#ifndef OSL_NETWORD
+# define OSL_NETWORD(w) OSL_MAKEWORD(OSL_HIBYTE(w),OSL_LOBYTE(w))
+#endif
+#ifndef OSL_NETDWORD
+# define OSL_NETDWORD(d) OSL_MAKEDWORD(OSL_NETWORD(OSL_HIWORD(d)),OSL_NETWORD(OSL_LOWORD(d)))
+#endif
+#endif /* OSL_BIGENDIAN */
+
+
+/** Define macros for swapping between byte orders.
+ */
+#ifndef OSL_SWAPWORD
+# define OSL_SWAPWORD(w) OSL_MAKEWORD(OSL_HIBYTE(w),OSL_LOBYTE(w))
+#endif
+#ifndef OSL_SWAPDWORD
+# define OSL_SWAPDWORD(d) OSL_MAKEDWORD(OSL_SWAPWORD(OSL_HIWORD(d)),OSL_SWAPWORD(OSL_LOWORD(d)))
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*_OSL_ENDIAN_H_ */
+
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