2005-03-07 04:51:38 +08:00
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/*
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* Copyright (c) 2004, 2005 by
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* Ralf Corsepius, Ulm/Germany. All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this software
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* is freely granted, provided that this notice is preserved.
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*/
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/*
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* @todo - Add fast<N>_t types.
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* @todo - Add support for wint_t types.
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*/
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#ifndef _STDINT_H
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#define _STDINT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(__GNUC__) && (__GNUC__ >= 3 ) \
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&& defined(__GNUC_MINOR__) && (__GNUC_MINOR__ > 2 )
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#define __EXP(x) __##x##__
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#else
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#define __EXP(x) x
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#include <limits.h>
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#endif
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#if __EXP(SCHAR_MAX) == 0x7f
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typedef signed char int8_t ;
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typedef unsigned char uint8_t ;
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#define __int8_t_defined 1
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#endif
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#if __int8_t_defined
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typedef signed char int_least8_t;
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typedef unsigned char uint_least8_t;
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#define __int_least8_t_defined 1
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#endif
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#if __EXP(SHRT_MAX) == 0x7fff
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typedef signed short int16_t;
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typedef unsigned short uint16_t;
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#define __int16_t_defined 1
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#elif __EXP(INT_MAX) == 0x7fff
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typedef signed int int16_t;
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typedef unsigned int uint16_t;
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#define __int16_t_defined 1
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#elif __EXP(SCHAR_MAX) == 0x7fff
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typedef signed char int16_t;
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typedef unsigned char uint16_t;
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#define __int16_t_defined 1
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#endif
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#if __int16_t_defined
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typedef int16_t int_least16_t;
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typedef uint16_t uint_least16_t;
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#define __int_least16_t_defined 1
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#ifndef __int_least8_t_defined
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typedef int16_t int_least8_t;
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typedef uint16_t uint_least8_t;
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#define __int_least8_t_defined 1
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#endif
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#endif
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#if __EXP(INT_MAX) == 0x7fffffffL
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typedef signed int int32_t;
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typedef unsigned int uint32_t;
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#define __int32_t_defined 1
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#elif __EXP(LONG_MAX) == 0x7fffffffL
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typedef signed long int32_t;
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typedef unsigned long uint32_t;
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#define __int32_t_defined 1
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#define __have_long32 1
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#elif __EXP(SHRT_MAX) == 0x7fffffffL
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typedef signed short int32_t;
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typedef unsigned short uint32_t;
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#define __int32_t_defined 1
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#elif __EXP(SCHAR_MAX) == 0x7fffffffL
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typedef signed char int32_t;
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typedef unsigned char uint32_t;
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#define __int32_t_defined 1
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#endif
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#if __int32_t_defined
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typedef int32_t int_least32_t;
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typedef uint32_t uint_least32_t;
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#define __int_least32_t_defined 1
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#ifndef __int_least8_t_defined
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typedef int32_t int_least8_t;
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typedef uint32_t uint_least8_t;
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#define __int_least8_t_defined 1
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#endif
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#ifndef __int_least16_t_defined
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typedef int32_t int_least16_t;
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typedef uint32_t uint_least16_t;
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#define __int_least16_t_defined 1
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#endif
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#endif
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#if __EXP(LONG_MAX) > 0x7fffffff
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typedef signed long int64_t;
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typedef unsigned long uint64_t;
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#define __int64_t_defined 1
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#define __have_long64 1
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#elif defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff)
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typedef signed long long int64_t;
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typedef unsigned long long uint64_t;
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#define __int64_t_defined 1
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#define __have_longlong64 1
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#elif defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff)
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typedef signed long long int64_t;
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typedef unsigned long long uint64_t;
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#define __int64_t_defined 1
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#define __have_longlong64 1
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#elif __EXP(INT_MAX) > 0x7fffffff
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typedef signed int int64_t;
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typedef unsigned int uint64_t;
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#define __int64_t_defined 1
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#endif
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#if __int64_t_defined
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typedef int64_t int_least64_t;
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typedef uint64_t uint_least64_t;
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#define __int_least64_t_defined 1
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#ifndef __int_least8_t_defined
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typedef int64_t int_least8_t;
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typedef uint64_t uint_least8_t;
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#define __int_least8_t_defined 1
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#endif
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#ifndef __int_least16_t_defined
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typedef int64_t int_least16_t;
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typedef uint64_t uint_least16_t;
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#define __int_least16_t_defined 1
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#endif
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#ifndef __int_least32_t_defined
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typedef int64_t int_least32_t;
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typedef uint64_t uint_least32_t;
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#define __int_least32_t_defined 1
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#endif
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#endif
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#if __have_longlong64
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typedef signed long long intmax_t;
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typedef unsigned long long uintmax_t;
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#else
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typedef signed long intmax_t;
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typedef unsigned long uintmax_t;
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#endif
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/*
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* GCC doesn't provide an propriate macro for [u]intptr_t
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* For now, use __PTRDIFF_TYPE__
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*/
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#if defined(__PTRDIFF_TYPE__)
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typedef signed __PTRDIFF_TYPE__ intptr_t;
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typedef unsigned __PTRDIFF_TYPE__ uintptr_t;
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#else
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/*
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* Fallback to hardcoded values,
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* should be valid on cpu's with 32bit int/32bit void*
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*/
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typedef signed long intptr_t;
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typedef unsigned long uintptr_t;
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#endif
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/* Limits of Specified-Width Integer Types */
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#if __int8_t_defined
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#define INT8_MIN -128
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#define INT8_MAX 127
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#define UINT8_MAX 255
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#endif
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#if __int_least8_t_defined
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2005-09-21 03:33:58 +08:00
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#define INT_LEAST8_MIN -128
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#define INT_LEAST8_MAX 127
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#define UINT_LEAST8_MAX 255
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2005-03-07 04:51:38 +08:00
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#else
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#error required type int_least8_t missing
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#endif
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#if __int16_t_defined
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#define INT16_MIN -32768
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#define INT16_MAX 32767
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#define UINT16_MAX 65535
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#endif
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#if __int_least16_t_defined
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2005-09-21 03:33:58 +08:00
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#define INT_LEAST16_MIN -32768
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#define INT_LEAST16_MAX 32767
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#define UINT_LEAST16_MAX 65535
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2005-03-07 04:51:38 +08:00
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#else
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#error required type int_least16_t missing
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#endif
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#if __int32_t_defined
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#define INT32_MIN -2147483648
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#define INT32_MAX 2147483647
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#define UINT32_MAX 4294967295
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#endif
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#if __int_least32_t_defined
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2005-09-21 03:33:58 +08:00
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#define INT_LEAST32_MIN -2147483648
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#define INT_LEAST32_MAX 2147483647
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#define UINT_LEAST32_MAX 4294967295
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2005-03-07 04:51:38 +08:00
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#else
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#error required type int_least32_t missing
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#endif
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#if __int64_t_defined
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#define INT64_MIN -9223372036854775808
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#define INT64_MAX 9223372036854775807
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#define UINT64_MAX 18446744073709551615
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#endif
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#if __int_least64_t_defined
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2005-09-21 03:33:58 +08:00
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#define INT_LEAST64_MIN -9223372036854775808
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#define INT_LEAST64_MAX 9223372036854775807
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#define UINT_LEAST64_MAX 18446744073709551615
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2005-03-07 04:51:38 +08:00
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#endif
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/* This must match size_t in stddef.h, currently long unsigned int */
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#define SIZE_MIN (-__EXP(LONG_MAX) - 1L)
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#define SIZE_MAX __EXP(LONG_MAX)
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/* This must match sig_atomic_t in <signal.h> (currently int) */
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#define SIG_ATOMIC_MIN (-__EXP(INT_MAX) - 1)
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#define SIG_ATOMIC_MAX __EXP(INT_MAX)
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/* This must match ptrdiff_t in <stddef.h> (currently long int) */
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#define PTRDIFF_MIN (-__EXP(LONG_MAX) - 1L)
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#define PTHDIFF_MAX __EXT(LONG_MAX)
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#undef __EXP
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/** Macros for minimum-width integer constant expressions */
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#define INT8_C(x) x
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#define UINT8_C(x) x##U
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#define INT16_C(x) x
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#define UINT16_C(x) x##U
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#if __have_long32
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#define INT32_C(x) x##L
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#define UINT32_C(x) x##UL
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#else
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#define INT32_C(x) x
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#define UINT32_C(x) x##U
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#endif
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#if __int64_t_defined
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#if __have_longlong64
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#define INT64_C(x) x##LL
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#define UINT64_C(x) x##ULL
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#else
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#define INT64_C(x) x##L
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#define UINT64_C(x) x##UL
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#endif
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#endif
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/** Macros for greatest-width integer constant expression */
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#if __have_longlong64
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#define INTMAX_C(x) x##LL
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#define UINTMAX_C(x) x##ULL
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#else
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#define INTMAX_C(x) x##L
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#define UINTMAX_C(x) x##UL
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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 /* _STDINT_H */
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