1 files changed, 149 insertions, 0 deletions
diff --git a/include/osl/endian.h b/include/osl/endian.h
new file mode 100644
index 000000000..43d0162b5
--- /dev/null
+++ b/include/osl/endian.h
@@ -0,0 +1,149 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_OSL_ENDIAN_H
+#define INCLUDED_OSL_ENDIAN_H
+
+#include "sal/types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Define the platform byte order as OSL_BIGENDIAN or OSL_LITENDIAN.
+ */
+
+#if defined _WIN32
+#   if defined _M_ALPHA || defined _M_AMD64 || defined _M_IX86 \
+            || defined _M_MRX000 || defined _M_PPC
+#       define OSL_LITENDIAN
+#   endif
+#elif defined ANDROID || defined LINUX || defined HAIKU
+#   include <endian.h>
+#   if __BYTE_ORDER == __LITTLE_ENDIAN
+#       define OSL_LITENDIAN
+#   elif __BYTE_ORDER == __BIG_ENDIAN
+#       define OSL_BIGENDIAN
+#   endif
+#elif defined IOS || defined MACOSX || defined NETBSD
+#   include <machine/endian.h>
+#   if BYTE_ORDER == LITTLE_ENDIAN
+#       define OSL_LITENDIAN
+#   elif BYTE_ORDER == BIG_ENDIAN
+#       define OSL_BIGENDIAN
+#   endif
+#elif defined FREEBSD
+#   include <sys/param.h>
+#   include <machine/endian.h>
+#   if defined _LITTLE_ENDIAN
+#       define OSL_LITENDIAN
+#   elif defined _BIG_ENDIAN
+#       define OSL_BIGENDIAN
+#   endif
+#elif defined AIX
+#   include <sys/machine.h>
+#   if BYTE_ORDER == LITTLE_ENDIAN
+#       define OSL_LITENDIAN
+#   elif BYTE_ORDER == BIG_ENDIAN
+#       define OSL_BIGENDIAN
+#   endif
+#elif defined __sun
+#   include <sys/isa_defs.h>
+#   if defined _LITTLE_ENDIAN
+#       define OSL_LITENDIAN
+#   elif defined _BIG_ENDIAN
+#       define OSL_BIGENDIAN
+#   endif
+#else
+#   error "Target platform not specified !"
+#endif
+#if defined OSL_LITENDIAN == defined OSL_BIGENDIAN
+#   error undetermined endianness
+#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)((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 // INCLUDED_OSL_ENDIAN_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */