494 lines
12 KiB
C
494 lines
12 KiB
C
/*
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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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#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__) && \
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( (__GNUC__ >= 4) || \
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( (__GNUC__ >= 3) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ > 2) ) )
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/* gcc > 3.2 implicitly defines the values we are interested */
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#define __STDINT_EXP(x) __##x##__
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#else
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#define __STDINT_EXP(x) x
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#include <limits.h>
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#endif
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/* Check if "long long" is 64bit wide */
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/* Modern GCCs provide __LONG_LONG_MAX__, SUSv3 wants LLONG_MAX */
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#if ( defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff) ) \
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|| ( defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff) )
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#define __have_longlong64 1
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#endif
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/* Check if "long" is 64bit or 32bit wide */
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#if __STDINT_EXP(LONG_MAX) > 0x7fffffff
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#define __have_long64 1
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#elif __STDINT_EXP(LONG_MAX) == 0x7fffffff && !defined(__SPU__)
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#define __have_long32 1
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#endif
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#if __STDINT_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 __STDINT_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 __STDINT_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 __STDINT_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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#if !__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 __have_long32
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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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#elif __STDINT_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 __STDINT_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 __STDINT_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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#if !__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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#if !__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 __have_long64
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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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#elif __have_longlong64
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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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#elif __STDINT_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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#if !__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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#if !__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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#if !__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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/*
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* Fastest minimum-width integer types
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*
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* Assume int to be the fastest type for all types with a width
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* less than __INT_MAX__ rsp. INT_MAX
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*/
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#if __STDINT_EXP(INT_MAX) >= 0x7f
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typedef signed int int_fast8_t;
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typedef unsigned int uint_fast8_t;
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#define __int_fast8_t_defined 1
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#endif
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#if __STDINT_EXP(INT_MAX) >= 0x7fff
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typedef signed int int_fast16_t;
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typedef unsigned int uint_fast16_t;
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#define __int_fast16_t_defined 1
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#endif
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#if __STDINT_EXP(INT_MAX) >= 0x7fffffff
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typedef signed int int_fast32_t;
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typedef unsigned int uint_fast32_t;
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#define __int_fast32_t_defined 1
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#endif
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#if __STDINT_EXP(INT_MAX) > 0x7fffffff
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typedef signed int int_fast64_t;
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typedef unsigned int uint_fast64_t;
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#define __int_fast64_t_defined 1
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#endif
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/*
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* Fall back to [u]int_least<N>_t for [u]int_fast<N>_t types
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* not having been defined, yet.
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* Leave undefined, if [u]int_least<N>_t should not be available.
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*/
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#if !__int_fast8_t_defined
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#if __int_least8_t_defined
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typedef int_least8_t int_fast8_t;
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typedef uint_least8_t uint_fast8_t;
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#define __int_fast8_t_defined 1
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#endif
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#endif
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#if !__int_fast16_t_defined
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#if __int_least16_t_defined
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typedef int_least16_t int_fast16_t;
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typedef uint_least16_t uint_fast16_t;
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#define __int_fast16_t_defined 1
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#endif
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#endif
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#if !__int_fast32_t_defined
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#if __int_least32_t_defined
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typedef int_least32_t int_fast32_t;
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typedef uint_least32_t uint_fast32_t;
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#define __int_fast32_t_defined 1
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#endif
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#endif
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#if !__int_fast64_t_defined
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#if __int_least64_t_defined
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typedef int_least64_t int_fast64_t;
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typedef uint_least64_t uint_fast64_t;
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#define __int_fast64_t_defined 1
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#endif
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#endif
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/* Greatest-width integer types */
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/* Modern GCCs provide __INTMAX_TYPE__ */
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#if defined(__INTMAX_TYPE__)
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typedef __INTMAX_TYPE__ intmax_t;
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#elif __have_longlong64
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typedef signed long long intmax_t;
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#else
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typedef signed long intmax_t;
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#endif
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/* Modern GCCs provide __UINTMAX_TYPE__ */
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#if defined(__UINTMAX_TYPE__)
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typedef __UINTMAX_TYPE__ uintmax_t;
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#elif __have_longlong64
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typedef unsigned long long uintmax_t;
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#else
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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 appropriate 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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#define INTPTR_MAX PTRDIFF_MAX
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#define INTPTR_MIN PTRDIFF_MIN
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#ifdef __UINTPTR_MAX__
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#define UINTPTR_MAX __UINTPTR_MAX__
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#else
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#define UINTPTR_MAX (2UL * PTRDIFF_MAX + 1)
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#endif
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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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#define INTPTR_MAX __STDINT_EXP(LONG_MAX)
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#define INTPTR_MIN (-__STDINT_EXP(LONG_MAX) - 1)
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#define UINTPTR_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1)
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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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#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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#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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#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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#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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#if __have_long32
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#define INT32_MIN (-2147483647L-1)
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#define INT32_MAX 2147483647L
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#define UINT32_MAX 4294967295UL
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#else
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#define INT32_MIN (-2147483647-1)
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#define INT32_MAX 2147483647
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#define UINT32_MAX 4294967295U
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#endif
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#endif
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#if __int_least32_t_defined
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#if __have_long32
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#define INT_LEAST32_MIN (-2147483647L-1)
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#define INT_LEAST32_MAX 2147483647L
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#define UINT_LEAST32_MAX 4294967295UL
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#else
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#define INT_LEAST32_MIN (-2147483647-1)
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#define INT_LEAST32_MAX 2147483647
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#define UINT_LEAST32_MAX 4294967295U
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#endif
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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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#if __have_long64
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#define INT64_MIN (-9223372036854775807L-1L)
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#define INT64_MAX 9223372036854775807L
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#define UINT64_MAX 18446744073709551615U
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#elif __have_longlong64
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#define INT64_MIN (-9223372036854775807LL-1LL)
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#define INT64_MAX 9223372036854775807LL
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#define UINT64_MAX 18446744073709551615ULL
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#endif
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#endif
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#if __int_least64_t_defined
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#if __have_long64
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#define INT_LEAST64_MIN (-9223372036854775807L-1L)
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#define INT_LEAST64_MAX 9223372036854775807L
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#define UINT_LEAST64_MAX 18446744073709551615U
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#elif __have_longlong64
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#define INT_LEAST64_MIN (-9223372036854775807LL-1LL)
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#define INT_LEAST64_MAX 9223372036854775807LL
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#define UINT_LEAST64_MAX 18446744073709551615ULL
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#endif
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#endif
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#if __int_fast8_t_defined
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#if __STDINT_EXP(INT_MAX) >= 0x7f
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#define INT_FAST8_MIN (-__STDINT_EXP(INT_MAX)-1)
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#define INT_FAST8_MAX __STDINT_EXP(INT_MAX)
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#define UINT_FAST8_MAX (__STDINT_EXP(INT_MAX)*2U+1U)
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#else
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#define INT_FAST8_MIN INT_LEAST8_MIN
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#define INT_FAST8_MAX INT_LEAST8_MAX
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#define UINT_FAST8_MAX UINT_LEAST8_MAX
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#endif
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#endif
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#if __int_fast16_t_defined
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#if __STDINT_EXP(INT_MAX) >= 0x7fff
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#define INT_FAST16_MIN (-__STDINT_EXP(INT_MAX)-1)
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#define INT_FAST16_MAX __STDINT_EXP(INT_MAX)
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#define UINT_FAST16_MAX (__STDINT_EXP(INT_MAX)*2U+1U)
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#else
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#define INT_FAST16_MIN INT_LEAST16_MIN
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#define INT_FAST16_MAX INT_LEAST16_MAX
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#define UINT_FAST16_MAX UINT_LEAST16_MAX
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#endif
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#endif
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#if __int_fast32_t_defined
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#if __STDINT_EXP(INT_MAX) >= 0x7fffffff
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#define INT_FAST32_MIN (-__STDINT_EXP(INT_MAX)-1)
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#define INT_FAST32_MAX __STDINT_EXP(INT_MAX)
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#define UINT_FAST32_MAX (__STDINT_EXP(INT_MAX)*2U+1U)
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#else
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#define INT_FAST32_MIN INT_LEAST32_MIN
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#define INT_FAST32_MAX INT_LEAST32_MAX
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#define UINT_FAST32_MAX UINT_LEAST32_MAX
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#endif
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#endif
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#if __int_fast64_t_defined
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#if __STDINT_EXP(INT_MAX) > 0x7fffffff
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#define INT_FAST64_MIN (-__STDINT_EXP(INT_MAX)-1)
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#define INT_FAST64_MAX __STDINT_EXP(INT_MAX)
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#define UINT_FAST64_MAX (__STDINT_EXP(INT_MAX)*2U+1U)
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#else
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#define INT_FAST64_MIN INT_LEAST64_MIN
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#define INT_FAST64_MAX INT_LEAST64_MAX
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#define UINT_FAST64_MAX UINT_LEAST64_MAX
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#endif
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#endif
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#ifdef __INTMAX_MAX__
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#define INTMAX_MAX __INTMAX_MAX__
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#define INTMAX_MIN (-INTMAX_MAX - 1)
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#elif defined(__INTMAX_TYPE__)
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/* All relevant GCC versions prefer long to long long for intmax_t. */
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#define INTMAX_MAX INT64_MAX
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#define INTMAX_MIN INT64_MIN
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#endif
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#ifdef __UINTMAX_MAX__
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#define UINTMAX_MAX __UINTMAX_MAX__
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#elif defined(__UINTMAX_TYPE__)
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/* All relevant GCC versions prefer long to long long for intmax_t. */
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#define UINTMAX_MAX UINT64_MAX
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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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#ifdef __SIZE_MAX__
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#define SIZE_MAX __SIZE_MAX__
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#else
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#define SIZE_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1)
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#endif
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/* This must match sig_atomic_t in <signal.h> (currently int) */
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#define SIG_ATOMIC_MIN (-__STDINT_EXP(INT_MAX) - 1)
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#define SIG_ATOMIC_MAX __STDINT_EXP(INT_MAX)
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/* This must match ptrdiff_t in <stddef.h> (currently long int) */
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#ifdef __PTRDIFF_MAX__
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#define PTRDIFF_MAX __PTRDIFF_MAX__
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#else
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#define PTRDIFF_MAX __STDINT_EXP(LONG_MAX)
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#endif
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#define PTRDIFF_MIN (-PTRDIFF_MAX - 1)
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#ifdef __WCHAR_MAX__
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#define WCHAR_MAX __WCHAR_MAX__
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#endif
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#ifdef __WCHAR_MIN__
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#define WCHAR_MIN __WCHAR_MIN__
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#endif
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/* wint_t is unsigned int on almost all GCC targets. */
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#ifdef __WINT_MAX__
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#define WINT_MAX __WINT_MAX__
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#else
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#define WINT_MAX (__STDINT_EXP(INT_MAX) * 2U + 1U)
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#endif
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#ifdef __WINT_MIN__
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#define WINT_MIN __WINT_MIN__
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#else
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#define WINT_MIN 0U
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#endif
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/** Macros for minimum-width integer constant expressions */
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#define INT8_C(x) x
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#if __STDINT_EXP(INT_MAX) > 0x7f
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#define UINT8_C(x) x
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#else
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#define UINT8_C(x) x##U
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#endif
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#define INT16_C(x) x
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#if __STDINT_EXP(INT_MAX) > 0x7fff
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#define UINT16_C(x) x
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#else
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#define UINT16_C(x) x##U
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#endif
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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_long64
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#define INT64_C(x) x##L
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#define UINT64_C(x) x##UL
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#else
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#define INT64_C(x) x##LL
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#define UINT64_C(x) x##ULL
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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_long64
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#define INTMAX_C(x) x##L
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#define UINTMAX_C(x) x##UL
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#else
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#define INTMAX_C(x) x##LL
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#define UINTMAX_C(x) x##ULL
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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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