mirror of
https://github.com/darlinghq/darling-xnu.git
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229 lines
6.5 KiB
C
229 lines
6.5 KiB
C
/*
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* Copyright (c) 2000-2010 Apple Inc.
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* All rights reserved.
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*/
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#ifndef _KERNEL_STDINT_H_
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#define _KERNEL_STDINT_H_
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#ifndef KERNEL
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/* For user-space code that may include this header */
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#include_next <stdint.h>
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#else /* KERNEL */
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#include <machine/types.h>
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#if __LP64__
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#define __WORDSIZE 64
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#else
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#define __WORDSIZE 32
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#endif
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/* from ISO/IEC 988:1999 spec */
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/* 7.18.1.1 Exact-width integer types */
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/* int8_t is defined in <machine/types.h> */
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/* int16_t is defined in <machine/types.h> */
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/* int32_t is defined in <machine/types.h> */
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/* int64_t is defined in <machine/types.h> */
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typedef u_int8_t uint8_t; /* u_int8_t is defined in <machine/types.h> */
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typedef u_int16_t uint16_t; /* u_int16_t is defined in <machine/types.h> */
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typedef u_int32_t uint32_t; /* u_int32_t is defined in <machine/types.h> */
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typedef u_int64_t uint64_t; /* u_int64_t is defined in <machine/types.h> */
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/* 7.18.1.2 Minimum-width integer types */
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typedef int8_t int_least8_t;
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typedef int16_t int_least16_t;
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typedef int32_t int_least32_t;
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typedef int64_t int_least64_t;
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typedef uint8_t uint_least8_t;
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typedef uint16_t uint_least16_t;
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typedef uint32_t uint_least32_t;
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typedef uint64_t uint_least64_t;
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/* 7.18.1.3 Fastest-width integer types */
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typedef int8_t int_fast8_t;
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typedef int16_t int_fast16_t;
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typedef int32_t int_fast32_t;
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typedef int64_t int_fast64_t;
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typedef uint8_t uint_fast8_t;
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typedef uint16_t uint_fast16_t;
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typedef uint32_t uint_fast32_t;
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typedef uint64_t uint_fast64_t;
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/* 7.18.1.4 Integer types capable of holding object pointers */
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/* intptr_t is defined in <machine/types.h> */
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/* uintptr_t is defined in <machine/types.h> */
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/* 7.18.1.5 Greatest-width integer types */
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#ifdef __INTMAX_TYPE__
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typedef __INTMAX_TYPE__ intmax_t;
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#else
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#ifdef __LP64__
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typedef long int intmax_t;
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#else
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typedef long long int intmax_t;
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#endif /* __LP64__ */
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#endif /* __INTMAX_TYPE__ */
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#ifdef __UINTMAX_TYPE__
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typedef __UINTMAX_TYPE__ uintmax_t;
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#else
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#ifdef __LP64__
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typedef long unsigned int uintmax_t;
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#else
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typedef long long unsigned int uintmax_t;
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#endif /* __LP64__ */
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#endif /* __UINTMAX_TYPE__ */
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/* 7.18.4 Macros for integer constants */
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#define INT8_C(v) (v)
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#define INT16_C(v) (v)
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#define INT32_C(v) (v)
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#define INT64_C(v) (v ## LL)
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#define UINT8_C(v) (v)
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#define UINT16_C(v) (v)
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#define UINT32_C(v) (v ## U)
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#define UINT64_C(v) (v ## ULL)
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#ifdef __LP64__
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#define INTMAX_C(v) (v ## L)
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#define UINTMAX_C(v) (v ## UL)
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#else
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#define INTMAX_C(v) (v ## LL)
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#define UINTMAX_C(v) (v ## ULL)
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#endif
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/* 7.18.2 Limits of specified-width integer types:
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* These #defines specify the minimum and maximum limits
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* of each of the types declared above.
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*
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* They must have "the same type as would an expression that is an
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* object of the corresponding type converted according to the integer
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* promotion".
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*/
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/* 7.18.2.1 Limits of exact-width integer types */
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#define INT8_MAX 127
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#define INT16_MAX 32767
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#define INT32_MAX 2147483647
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#define INT64_MAX 9223372036854775807LL
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#define INT8_MIN -128
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#define INT16_MIN -32768
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/*
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Note: the literal "most negative int" cannot be written in C --
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the rules in the standard (section 6.4.4.1 in C99) will give it
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an unsigned type, so INT32_MIN (and the most negative member of
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any larger signed type) must be written via a constant expression.
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*/
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#define INT32_MIN (-INT32_MAX-1)
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#define INT64_MIN (-INT64_MAX-1)
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#define UINT8_MAX 255
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#define UINT16_MAX 65535
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#define UINT32_MAX 4294967295U
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#define UINT64_MAX 18446744073709551615ULL
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/* 7.18.2.2 Limits of minimum-width integer types */
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#define INT_LEAST8_MIN INT8_MIN
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#define INT_LEAST16_MIN INT16_MIN
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#define INT_LEAST32_MIN INT32_MIN
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#define INT_LEAST64_MIN INT64_MIN
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#define INT_LEAST8_MAX INT8_MAX
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#define INT_LEAST16_MAX INT16_MAX
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#define INT_LEAST32_MAX INT32_MAX
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#define INT_LEAST64_MAX INT64_MAX
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#define UINT_LEAST8_MAX UINT8_MAX
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#define UINT_LEAST16_MAX UINT16_MAX
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#define UINT_LEAST32_MAX UINT32_MAX
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#define UINT_LEAST64_MAX UINT64_MAX
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/* 7.18.2.3 Limits of fastest minimum-width integer types */
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#define INT_FAST8_MIN INT8_MIN
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#define INT_FAST16_MIN INT16_MIN
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#define INT_FAST32_MIN INT32_MIN
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#define INT_FAST64_MIN INT64_MIN
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#define INT_FAST8_MAX INT8_MAX
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#define INT_FAST16_MAX INT16_MAX
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#define INT_FAST32_MAX INT32_MAX
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#define INT_FAST64_MAX INT64_MAX
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#define UINT_FAST8_MAX UINT8_MAX
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#define UINT_FAST16_MAX UINT16_MAX
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#define UINT_FAST32_MAX UINT32_MAX
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#define UINT_FAST64_MAX UINT64_MAX
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/* 7.18.2.4 Limits of integer types capable of holding object pointers */
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#if __WORDSIZE == 64
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#define INTPTR_MAX 9223372036854775807L
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#else
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#define INTPTR_MAX 2147483647L
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#endif
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#define INTPTR_MIN (-INTPTR_MAX-1)
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#if __WORDSIZE == 64
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#define UINTPTR_MAX 18446744073709551615UL
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#else
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#define UINTPTR_MAX 4294967295UL
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#endif
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/* 7.18.2.5 Limits of greatest-width integer types */
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#define INTMAX_MAX INTMAX_C(9223372036854775807)
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#define UINTMAX_MAX UINTMAX_C(18446744073709551615)
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#define INTMAX_MIN (-INTMAX_MAX-1)
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/* 7.18.3 "Other" */
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#if __WORDSIZE == 64
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#define PTRDIFF_MIN INTMAX_MIN
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#define PTRDIFF_MAX INTMAX_MAX
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#else
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#define PTRDIFF_MIN INT32_MIN
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#define PTRDIFF_MAX INT32_MAX
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#endif
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#define SIZE_MAX UINTPTR_MAX
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#if defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1
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#define RSIZE_MAX (SIZE_MAX >> 1)
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#endif
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#ifndef WCHAR_MAX
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# ifdef __WCHAR_MAX__
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# define WCHAR_MAX __WCHAR_MAX__
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# else
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# define WCHAR_MAX 0x7fffffff
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# endif
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#endif
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/* WCHAR_MIN should be 0 if wchar_t is an unsigned type and
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(-WCHAR_MAX-1) if wchar_t is a signed type. Unfortunately,
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it turns out that -fshort-wchar changes the signedness of
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the type. */
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#ifndef WCHAR_MIN
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# if WCHAR_MAX == 0xffff
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# define WCHAR_MIN 0
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# else
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# define WCHAR_MIN (-WCHAR_MAX-1)
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# endif
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#endif
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#define WINT_MIN INT32_MIN
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#define WINT_MAX INT32_MAX
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#define SIG_ATOMIC_MIN INT32_MIN
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#define SIG_ATOMIC_MAX INT32_MAX
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#endif /* KERNEL */
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#endif /* _KERNEL_STDINT_H_ */
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