294 lines
6.9 KiB
C
294 lines
6.9 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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/*
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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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#include <sys/types.h>
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#include <bits/wordsize.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 __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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#if __STDINT_EXP(SCHAR_MAX) == 0x7f
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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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#define __int16_t_defined 1
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#elif __STDINT_EXP(INT_MAX) == 0x7fff
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#define __int16_t_defined 1
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#elif __STDINT_EXP(SCHAR_MAX) == 0x7fff
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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 __STDINT_EXP(INT_MAX) == 0x7fffffffL
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#define __int32_t_defined 1
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#elif __STDINT_EXP(LONG_MAX) == 0x7fffffffL
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#define __int32_t_defined 1
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#define __have_long32 1
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#elif __STDINT_EXP(SHRT_MAX) == 0x7fffffffL
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#define __int32_t_defined 1
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#elif __STDINT_EXP(SCHAR_MAX) == 0x7fffffffL
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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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/* Fast types. */
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/* Signed. */
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typedef signed char int_fast8_t;
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#if __WORDSIZE == 64
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typedef long int int_fast16_t;
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typedef long int int_fast32_t;
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typedef long int int_fast64_t;
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#else
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typedef int int_fast16_t;
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typedef int int_fast32_t;
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__extension__
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typedef long long int int_fast64_t;
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#endif
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/* Unsigned. */
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typedef unsigned char uint_fast8_t;
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#if __WORDSIZE == 64
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typedef unsigned long int uint_fast16_t;
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typedef unsigned long int uint_fast32_t;
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typedef unsigned long int uint_fast64_t;
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#else
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typedef unsigned int uint_fast16_t;
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typedef unsigned int uint_fast32_t;
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__extension__
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typedef unsigned long long int uint_fast64_t;
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#endif
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#if __STDINT_EXP(LONG_MAX) > 0x7fffffff
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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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#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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#define __int64_t_defined 1
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#define __have_longlong64 1
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#elif __STDINT_EXP(INT_MAX) > 0x7fffffff
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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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/* 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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/* 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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#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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#if __int_least32_t_defined
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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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#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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#ifdef __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 defined(__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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#ifdef __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 defined(__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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/* This must match size_t in stddef.h, currently long unsigned int */
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#define SIZE_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1)
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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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#define PTRDIFF_MIN (-__STDINT_EXP(LONG_MAX) - 1L)
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#define PTRDIFF_MAX __STDINT_EXP(LONG_MAX)
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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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