277 lines
7.3 KiB
C
277 lines
7.3 KiB
C
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/*************************************************************************
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*
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* $RCSfile: endian.h,v $
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*
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* $Revision: 1.1 $
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*
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* last change: $Author: mhu $ $Date: 2001-03-12 12:28:18 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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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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#ifndef _SAL_TYPES_H_
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#include <sal/types.h>
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#endif
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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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# 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 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 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 IRIX
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# include <sys/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 S390
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# define _BIG_ENDIAN
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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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# define _LITTLE_ENDIAN
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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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# 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 MACOS
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# include <premac.h>
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# include <TextUtils.h>
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# include <Endian.h>
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# include <postmac.h>
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# if TARGET_RT_LITTLE_ENDIAN
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# define _LITTLE_ENDIAN
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# elif TARGET_RT_BIG_ENDIAN
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# define _BIG_ENDIAN
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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) && !defined(S390) && \
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!defined(SOLARIS) && !defined(IRIX) && !defined(MACOS) && \
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!defined(MACOSX)
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# error "Target plattform 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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