| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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_ */ |
| |