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