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130 lines
5.2 KiB
130 lines
5.2 KiB
/*
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---------------------------------------------------------------------------
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Copyright (c) 2003, Dr Brian Gladman, Worcester, UK. All rights reserved.
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LICENSE TERMS
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The free distribution and use of this software in both source and binary
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form is allowed (with or without changes) provided that:
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1. distributions of this source code include the above copyright
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notice, this list of conditions and the following disclaimer;
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2. distributions in binary form include the above copyright
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notice, this list of conditions and the following disclaimer
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in the documentation and/or other associated materials;
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3. the copyright holder's name is not used to endorse products
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built using this software without specific written permission.
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ALTERNATIVELY, provided that this notice is retained in full, this product
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may be distributed under the terms of the GNU General Public License (GPL),
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in which case the provisions of the GPL apply INSTEAD OF those given above.
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DISCLAIMER
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This software is provided 'as is' with no explicit or implied warranties
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in respect of its properties, including, but not limited to, correctness
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and/or fitness for purpose.
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---------------------------------------------------------------------------
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Issue 31/01/2006
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*/
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#ifndef EDEFS_H
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#define EDEFS_H
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#if defined(__cplusplus)
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extern "C"
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{
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#endif
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#define IS_LITTLE_ENDIAN 1234 /* byte 0 is least significant (i386) */
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#define IS_BIG_ENDIAN 4321 /* byte 0 is most significant (mc68k) */
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#if defined(__GNUC__) || defined(__GNU_LIBRARY__)
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# if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
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# include <sys/endian.h>
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# elif defined( BSD ) && ( BSD >= 199103 ) || defined( __DJGPP__ ) || defined( __CYGWIN32__ )
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# include <machine/endian.h>
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# elif defined(__APPLE__)
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# if defined(__BIG_ENDIAN__) && !defined( BIG_ENDIAN )
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# define BIG_ENDIAN
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# elif defined(__LITTLE_ENDIAN__) && !defined( LITTLE_ENDIAN )
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# define LITTLE_ENDIAN
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# endif
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# elif !defined( __MINGW32__ )
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# include <endian.h>
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# if !defined(__BEOS__)
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# include <byteswap.h>
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# endif
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# endif
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#endif
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#if !defined(PLATFORM_BYTE_ORDER)
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# if defined(LITTLE_ENDIAN) || defined(BIG_ENDIAN)
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# if defined(LITTLE_ENDIAN) && !defined(BIG_ENDIAN)
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# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
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# elif !defined(LITTLE_ENDIAN) && defined(BIG_ENDIAN)
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# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
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# elif defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
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# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
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# elif defined(BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)
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# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
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# endif
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# elif defined(_LITTLE_ENDIAN) || defined(_BIG_ENDIAN)
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# if defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
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# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
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# elif !defined(_LITTLE_ENDIAN) && defined(_BIG_ENDIAN)
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# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
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# elif defined(_BYTE_ORDER) && (_BYTE_ORDER == _LITTLE_ENDIAN)
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# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
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# elif defined(_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)
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# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
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# endif
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# elif defined(__LITTLE_ENDIAN__) || defined(__BIG_ENDIAN__)
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# if defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)
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# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
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# elif !defined(__LITTLE_ENDIAN__) && defined(__BIG_ENDIAN__)
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# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
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# elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __LITTLE_ENDIAN__)
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# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
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# elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)
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# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
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# endif
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# endif
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#endif
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/* if the platform is still unknown, try to find its byte order */
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/* from commonly used machine defines */
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#if !defined(PLATFORM_BYTE_ORDER)
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#if defined( __alpha__ ) || defined( __alpha ) || defined( i386 ) || \
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defined( __i386__ ) || defined( _M_I86 ) || defined( _M_IX86 ) || \
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defined( __OS2__ ) || defined( sun386 ) || defined( __TURBOC__ ) || \
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defined( vax ) || defined( vms ) || defined( VMS ) || \
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defined( __VMS ) || defined( _M_X64 )
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# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
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#elif defined( AMIGA ) || defined( applec ) || defined( __AS400__ ) || \
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defined( _CRAY ) || defined( __hppa ) || defined( __hp9000 ) || \
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defined( ibm370 ) || defined( mc68000 ) || defined( m68k ) || \
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defined( __MRC__ ) || defined( __MVS__ ) || defined( __MWERKS__ ) || \
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defined( sparc ) || defined( __sparc) || defined( SYMANTEC_C ) || \
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defined( __TANDEM ) || defined( THINK_C ) || defined( __VMCMS__ ) || \
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defined( __VOS__ )
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# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
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#elif 0 /* **** EDIT HERE IF NECESSARY **** */
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# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
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#elif 0 /* **** EDIT HERE IF NECESSARY **** */
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# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
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#else
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# error Please edit edefs.h (lines 117 or 119) to set the platform byte order
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#endif
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#endif
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#if defined(__cplusplus)
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}
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#endif
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#endif
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