diff --git a/stdint.h b/stdint.h new file mode 100644 index 0000000..8a89814 --- /dev/null +++ b/stdint.h @@ -0,0 +1,206 @@ +/* + * Copyright (c) 2000-2010 Apple Inc. + * All rights reserved. + */ + +#ifndef _STDINT_H_ +#define _STDINT_H_ + +/* from ISO/IEC 988:1999 spec */ + +/* 7.18.1.1 Exact-width integer types */ +#ifndef _INT8_T +#define _INT8_T +typedef signed char int8_t; +#endif /*_INT8_T */ + +#ifndef _INT16_T +#define _INT16_T +typedef short int16_t; +#endif /* _INT16_T */ + +#ifndef _INT32_T +#define _INT32_T +typedef long int32_t; +#endif /* _INT32_T */ + +#ifndef _UINT8_T +#define _UINT8_T +typedef unsigned char uint8_t; +#endif /*_UINT8_T */ + +#ifndef _UINT16_T +#define _UINT16_T +typedef unsigned short uint16_t; +#endif /* _UINT16_T */ + +#ifndef _UINT32_T +#define _UINT32_T +typedef unsigned long uint32_t; +#endif /* _UINT32_T */ + +/* 7.18.1.2 Minimum-width integer types */ +typedef int8_t int_least8_t; +typedef int16_t int_least16_t; +typedef int32_t int_least32_t; +typedef uint8_t uint_least8_t; +typedef uint16_t uint_least16_t; +typedef uint32_t uint_least32_t; + +/* 7.18.1.3 Fastest-width integer types */ +typedef int8_t int_fast8_t; +typedef int16_t int_fast16_t; +typedef int32_t int_fast32_t; +typedef uint8_t uint_fast8_t; +typedef uint16_t uint_fast16_t; +typedef uint32_t uint_fast32_t; + +/* 7.18.1.4 Integer types capable of holding object pointers */ + +#ifndef _INTPTR_T +#define _INTPTR_T +typedef long intptr_t; +#endif /* _INTPTR_T */ + +#ifndef _UINTPTR_T +#define _UINTPTR_T +typedef unsigned long uintptr_t; +#endif /* _UINTPTR_T */ + +/* 7.18.1.5 Greatest-width integer types */ +#ifndef _INTMAX_T +#define _INTMAX_T +#ifdef __INTMAX_TYPE__ +typedef __INTMAX_TYPE__ intmax_t; +#else /* __INTMAX_TYPE__ */ +typedef long intmax_t; +#endif /* __INTMAX_TYPE__ */ +#endif /* _INTMAX_T */ + +#ifndef _UINTMAX_T +#define _UINTMAX_T +#ifdef __UINTMAX_TYPE__ +typedef __UINTMAX_TYPE__ uintmax_t; +#else /* __UINTMAX_TYPE__ */ +typedef unsigned long uintmax_t; +#endif /* __UINTMAX_TYPE__ */ +#endif /* _UINTMAX_T */ + +/* 7.18.2 Limits of specified-width integer types: + * These #defines specify the minimum and maximum limits + * of each of the types declared above. + */ + + +/* 7.18.2.1 Limits of exact-width integer types */ +#define INT8_MAX 127 +#define INT16_MAX 32767 +#define INT32_MAX 2147483647 + +#define INT8_MIN -128 +#define INT16_MIN -32768 + /* + Note: the literal "most negative int" cannot be written in C -- + the rules in the standard (section 6.4.4.1 in C99) will give it + an unsigned type, so INT32_MIN (and the most negative member of + any larger signed type) must be written via a constant expression. + */ +#define INT32_MIN (-INT32_MAX-1) + +#define UINT8_MAX 255 +#define UINT16_MAX 65535 +#define UINT32_MAX 4294967295U + +/* 7.18.2.2 Limits of minimum-width integer types */ +#define INT_LEAST8_MIN INT8_MIN +#define INT_LEAST16_MIN INT16_MIN +#define INT_LEAST32_MIN INT32_MIN + +#define INT_LEAST8_MAX INT8_MAX +#define INT_LEAST16_MAX INT16_MAX +#define INT_LEAST32_MAX INT32_MAX + +#define UINT_LEAST8_MAX UINT8_MAX +#define UINT_LEAST16_MAX UINT16_MAX +#define UINT_LEAST32_MAX UINT32_MAX + +/* 7.18.2.3 Limits of fastest minimum-width integer types */ +#define INT_FAST8_MIN INT8_MIN +#define INT_FAST16_MIN INT16_MIN +#define INT_FAST32_MIN INT32_MIN + +#define INT_FAST8_MAX INT8_MAX +#define INT_FAST16_MAX INT16_MAX +#define INT_FAST32_MAX INT32_MAX + +#define UINT_FAST8_MAX UINT8_MAX +#define UINT_FAST16_MAX UINT16_MAX +#define UINT_FAST32_MAX UINT32_MAX + +/* 7.18.2.4 Limits of integer types capable of holding object pointers */ + +#define INTPTR_MIN INT32_MIN +#define INTPTR_MAX INT32_MAX + +#define UINTPTR_MAX UINT32_MAX + +/* 7.18.2.5 Limits of greatest-width integer types */ +#define INTMAX_MIN INT32_MIN +#define INTMAX_MAX INT32_MAX + +#define UINTMAX_MAX UINT32_MAX + +/* 7.18.3 "Other" */ +#define PTRDIFF_MIN INT32_MIN +#define PTRDIFF_MAX INT32_MAX + +/* We have no sig_atomic_t yet, so no SIG_ATOMIC_{MIN,MAX}. + Should end up being {-127,127} or {0,255} ... or bigger. + My bet would be on one of {U}INT32_{MIN,MAX}. */ + +#define SIZE_MAX UINT32_MAX + +/* nb - wchar_t should probably be 16-bit, but there + isn't any support for it anywhere. wint_t should + be 32-bits. */ + +#ifndef WCHAR_MAX +# ifdef __WCHAR_MAX__ +# define WCHAR_MAX __WCHAR_MAX__ +# else +# define WCHAR_MAX 0x7fff +# endif +#endif + +/* WCHAR_MIN should be 0 if wchar_t is an unsigned type and + (-WCHAR_MAX-1) if wchar_t is a signed type. Unfortunately, + it turns out that -fshort-wchar changes the signedness of + the type. */ +#ifndef WCHAR_MIN +# if WCHAR_MAX == 0xffff +# define WCHAR_MIN 0 +# else +# define WCHAR_MIN (-WCHAR_MAX-1) +# endif +#endif + +#define WINT_MIN INT32_MIN +#define WINT_MAX INT32_MAX + +#define SIG_ATOMIC_MIN INT16_MIN +#define SIG_ATOMIC_MAX INT16_MAX + +/* 7.18.4 Macros for integer constants */ +#define INT8_C(v) (v) +#define INT16_C(v) (v) +#define INT32_C(v) (v ## L) + +#define UINT8_C(v) (v ## U) +#define UINT16_C(v) (v ## U) +#define UINT32_C(v) (v ## UL) + +#define INTMAX_C(v) (v ## L) +#define UINTMAX_C(v) (v ## UL) + +#endif /* _STDINT_H_ */ +