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/*************************************************************************
*
* $RCSfile: endian.h,v $
*
* $Revision: 1.3 $
*
* last change: $Author: svesik $ $Date: 2001-04-26 15:27:19 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _OSL_ENDIAN_H_
#define _OSL_ENDIAN_H_
#ifndef _SAL_TYPES_H_
#include <sal/types.h>
#endif
#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
# define _LITTLE_ENDIAN
# elif __BYTE_ORDER == __BIG_ENDIAN
# define _BIG_ENDIAN
# 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 <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 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 IRIX
# include <sys/endian.h>
# if BYTE_ORDER == LITTLE_ENDIAN
# undef _BIG_ENDIAN
# undef _PDP_ENDIAN
# elif BYTE_ORDER == BIG_ENDIAN
# undef _LITTLE_ENDIAN
# undef _PDP_ENDIAN
# elif BYTE_ORDER == PDP_ENDIAN
# undef _LITTLE_ENDIAN
# undef _BIG_ENDIAN
# endif
#endif
#ifdef S390
# define _BIG_ENDIAN
#endif
#ifdef _WIN16
# define _LITTLE_ENDIAN
#endif
#ifdef OS2
# define _LITTLE_ENDIAN
#endif
#ifdef SOLARIS
# include <sys/isa_defs.h>
#endif
#ifdef MACOSX
# 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 MACOS
# include <premac.h>
# include <TextUtils.h>
# include <Endian.h>
# include <postmac.h>
# if TARGET_RT_LITTLE_ENDIAN
# define _LITTLE_ENDIAN
# elif TARGET_RT_BIG_ENDIAN
# define _BIG_ENDIAN
# endif
#endif
/** Check supported platform.
*/
#if !defined(_WIN32) && !defined(_WIN16) && !defined(OS2) && \
!defined(LINUX) && !defined(NETBSD) && !defined(SCO) && \
!defined(AIX) && !defined(HPUX) && !defined(S390) && \
!defined(SOLARIS) && !defined(IRIX) && !defined(MACOS) && \
!defined(MACOSX) && !defined(FREEBSD)
# error "Target plattform 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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