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220 lines
8.0 KiB
C
Executable File
220 lines
8.0 KiB
C
Executable File
/*
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---------------------------------------------------------------------------
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Copyright (c) 1998-2010, Brian Gladman, Worcester, UK. All rights reserved.
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The redistribution and use of this software (with or without changes)
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is allowed without the payment of fees or royalties provided that:
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source code distributions include the above copyright notice, this
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list of conditions and the following disclaimer;
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binary distributions include the above copyright notice, this list
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of conditions and the following disclaimer in their documentation.
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This software is provided 'as is' with no explicit or implied warranties
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in respect of its operation, including, but not limited to, correctness
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and fitness for purpose.
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---------------------------------------------------------------------------
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Issue Date: 20/12/2007
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The unsigned integer types defined here are of the form uint_<nn>t where
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<nn> is the length of the type; for example, the unsigned 32-bit type is
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'uint_32t'. These are NOT the same as the 'C99 integer types' that are
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defined in the inttypes.h and stdint.h headers since attempts to use these
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types have shown that support for them is still highly variable. However,
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since the latter are of the form uint<nn>_t, a regular expression search
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and replace (in VC++ search on 'uint_{:z}t' and replace with 'uint\1_t')
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can be used to convert the types used here to the C99 standard types.
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*/
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#ifndef _BRG_TYPES_H
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#define _BRG_TYPES_H
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#include <limits.h>
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#if defined( _MSC_VER ) && ( _MSC_VER >= 1300 )
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# include <stddef.h>
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# define ptrint_t intptr_t
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#elif defined( __ECOS__ )
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# define intptr_t unsigned int
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# define ptrint_t intptr_t
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#elif defined( __GNUC__ ) && ( __GNUC__ >= 3 )
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# include <stdint.h>
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# define ptrint_t intptr_t
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#else
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# define ptrint_t int
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#endif
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#ifndef BRG_UI8
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# define BRG_UI8
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# if UCHAR_MAX == 255u
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typedef unsigned char uint_8t;
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# else
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# error Please define uint_8t as an 8-bit unsigned integer type in brg_types.h
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# endif
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#endif
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#ifndef BRG_UI16
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# define BRG_UI16
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# if USHRT_MAX == 65535u
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typedef unsigned short uint_16t;
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# else
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# error Please define uint_16t as a 16-bit unsigned short type in brg_types.h
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# endif
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#endif
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#ifndef BRG_UI32
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# define BRG_UI32
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# if UINT_MAX == 4294967295u
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# define li_32(h) 0x##h##u
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typedef unsigned int uint_32t;
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# elif ULONG_MAX == 4294967295u
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# define li_32(h) 0x##h##ul
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typedef unsigned long uint_32t;
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# elif defined( _CRAY )
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# error This code needs 32-bit data types, which Cray machines do not provide
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# else
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# error Please define uint_32t as a 32-bit unsigned integer type in brg_types.h
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# endif
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#endif
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#ifndef BRG_UI64
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# if defined( __BORLANDC__ ) && !defined( __MSDOS__ )
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# define BRG_UI64
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# define li_64(h) 0x##h##ui64
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typedef unsigned __int64 uint_64t;
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# elif defined( _MSC_VER ) && ( _MSC_VER < 1300 ) /* 1300 == VC++ 7.0 */
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# define BRG_UI64
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# define li_64(h) 0x##h##ui64
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typedef unsigned __int64 uint_64t;
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# elif defined( __sun ) && defined( ULONG_MAX ) && ULONG_MAX == 0xfffffffful
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# define BRG_UI64
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# define li_64(h) 0x##h##ull
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typedef unsigned long long uint_64t;
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# elif defined( __MVS__ )
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# define BRG_UI64
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# define li_64(h) 0x##h##ull
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typedef unsigned int long long uint_64t;
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# elif defined( UINT_MAX ) && UINT_MAX > 4294967295u
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# if UINT_MAX == 18446744073709551615u
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# define BRG_UI64
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# define li_64(h) 0x##h##u
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typedef unsigned int uint_64t;
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# endif
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# elif defined( ULONG_MAX ) && ULONG_MAX > 4294967295u
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# if ULONG_MAX == 18446744073709551615ul
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# define BRG_UI64
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# define li_64(h) 0x##h##ul
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typedef unsigned long uint_64t;
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# endif
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# elif defined( ULLONG_MAX ) && ULLONG_MAX > 4294967295u
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# if ULLONG_MAX == 18446744073709551615ull
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# define BRG_UI64
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# define li_64(h) 0x##h##ull
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typedef unsigned long long uint_64t;
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# endif
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# elif defined( ULONG_LONG_MAX ) && ULONG_LONG_MAX > 4294967295u
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# if ULONG_LONG_MAX == 18446744073709551615ull
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# define BRG_UI64
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# define li_64(h) 0x##h##ull
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typedef unsigned long long uint_64t;
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# endif
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# endif
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#endif
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#if !defined( BRG_UI64 )
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# if defined( NEED_UINT_64T )
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# error Please define uint_64t as an unsigned 64 bit type in brg_types.h
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# endif
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#endif
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#ifndef RETURN_VALUES
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# define RETURN_VALUES
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# if defined( DLL_EXPORT )
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# if defined( _MSC_VER ) || defined ( __INTEL_COMPILER )
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# define VOID_RETURN __declspec( dllexport ) void __stdcall
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# define INT_RETURN __declspec( dllexport ) int __stdcall
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# elif defined( __GNUC__ )
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# define VOID_RETURN __declspec( __dllexport__ ) void
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# define INT_RETURN __declspec( __dllexport__ ) int
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# else
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# error Use of the DLL is only available on the Microsoft, Intel and GCC compilers
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# endif
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# elif defined( DLL_IMPORT )
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# if defined( _MSC_VER ) || defined ( __INTEL_COMPILER )
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# define VOID_RETURN __declspec( dllimport ) void __stdcall
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# define INT_RETURN __declspec( dllimport ) int __stdcall
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# elif defined( __GNUC__ )
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# define VOID_RETURN __declspec( __dllimport__ ) void
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# define INT_RETURN __declspec( __dllimport__ ) int
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# else
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# error Use of the DLL is only available on the Microsoft, Intel and GCC compilers
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# endif
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# elif defined( __WATCOMC__ )
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# define VOID_RETURN void __cdecl
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# define INT_RETURN int __cdecl
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# else
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# define VOID_RETURN void
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# define INT_RETURN int
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# endif
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#endif
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/* These defines are used to detect and set the memory alignment of pointers.
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Note that offsets are in bytes.
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ALIGN_OFFSET(x,n) return the positive or zero offset of
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the memory addressed by the pointer 'x'
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from an address that is aligned on an
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'n' byte boundary ('n' is a power of 2)
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ALIGN_FLOOR(x,n) return a pointer that points to memory
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that is aligned on an 'n' byte boundary
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and is not higher than the memory address
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pointed to by 'x' ('n' is a power of 2)
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ALIGN_CEIL(x,n) return a pointer that points to memory
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that is aligned on an 'n' byte boundary
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and is not lower than the memory address
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pointed to by 'x' ('n' is a power of 2)
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*/
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#define ALIGN_OFFSET(x,n) (((ptrint_t)(x)) & ((n) - 1))
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#define ALIGN_FLOOR(x,n) ((uint_8t*)(x) - ( ((ptrint_t)(x)) & ((n) - 1)))
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#define ALIGN_CEIL(x,n) ((uint_8t*)(x) + (-((ptrint_t)(x)) & ((n) - 1)))
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/* These defines are used to declare buffers in a way that allows
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faster operations on longer variables to be used. In all these
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defines 'size' must be a power of 2 and >= 8. NOTE that the
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buffer size is in bytes but the type length is in bits
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UNIT_TYPEDEF(x,size) declares a variable 'x' of length
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'size' bits
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BUFR_TYPEDEF(x,size,bsize) declares a buffer 'x' of length 'bsize'
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bytes defined as an array of variables
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each of 'size' bits (bsize must be a
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multiple of size / 8)
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UNIT_CAST(x,size) casts a variable to a type of
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length 'size' bits
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UPTR_CAST(x,size) casts a pointer to a pointer to a
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varaiable of length 'size' bits
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*/
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#define UI_TYPE(size) uint_##size##t
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#define UNIT_TYPEDEF(x,size) typedef UI_TYPE(size) x
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#define BUFR_TYPEDEF(x,size,bsize) typedef UI_TYPE(size) x[bsize / (size >> 3)]
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#define UNIT_CAST(x,size) ((UI_TYPE(size) )(x))
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#define UPTR_CAST(x,size) ((UI_TYPE(size)*)(x))
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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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