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Diffstat (limited to 'system/include/libc/stdint.h')
| -rw-r--r-- | system/include/libc/stdint.h | 493 |
1 files changed, 493 insertions, 0 deletions
diff --git a/system/include/libc/stdint.h b/system/include/libc/stdint.h new file mode 100644 index 00000000..94759e96 --- /dev/null +++ b/system/include/libc/stdint.h @@ -0,0 +1,493 @@ +/* + * Copyright (c) 2004, 2005 by + * Ralf Corsepius, Ulm/Germany. All rights reserved. + * + * Permission to use, copy, modify, and distribute this software + * is freely granted, provided that this notice is preserved. + */ + +#ifndef _STDINT_H +#define _STDINT_H + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(__GNUC__) && \ + ( (__GNUC__ >= 4) || \ + ( (__GNUC__ >= 3) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ > 2) ) ) +/* gcc > 3.2 implicitly defines the values we are interested */ +#define __STDINT_EXP(x) __##x##__ +#else +#define __STDINT_EXP(x) x +#include <limits.h> +#endif + +/* Check if "long long" is 64bit wide */ +/* Modern GCCs provide __LONG_LONG_MAX__, SUSv3 wants LLONG_MAX */ +#if ( defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff) ) \ + || ( defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff) ) +#define __have_longlong64 1 +#endif + +/* Check if "long" is 64bit or 32bit wide */ +#if __STDINT_EXP(LONG_MAX) > 0x7fffffff +#define __have_long64 1 +#elif __STDINT_EXP(LONG_MAX) == 0x7fffffff && !defined(__SPU__) +#define __have_long32 1 +#endif + +#if __STDINT_EXP(SCHAR_MAX) == 0x7f +typedef signed char int8_t ; +typedef unsigned char uint8_t ; +#define __int8_t_defined 1 +#endif + +#if __int8_t_defined +typedef signed char int_least8_t; +typedef unsigned char uint_least8_t; +#define __int_least8_t_defined 1 +#endif + +#if __STDINT_EXP(SHRT_MAX) == 0x7fff +typedef signed short int16_t; +typedef unsigned short uint16_t; +#define __int16_t_defined 1 +#elif __STDINT_EXP(INT_MAX) == 0x7fff +typedef signed int int16_t; +typedef unsigned int uint16_t; +#define __int16_t_defined 1 +#elif __STDINT_EXP(SCHAR_MAX) == 0x7fff +typedef signed char int16_t; +typedef unsigned char uint16_t; +#define __int16_t_defined 1 +#endif + +#if __int16_t_defined +typedef int16_t int_least16_t; +typedef uint16_t uint_least16_t; +#define __int_least16_t_defined 1 + +#if !__int_least8_t_defined +typedef int16_t int_least8_t; +typedef uint16_t uint_least8_t; +#define __int_least8_t_defined 1 +#endif +#endif + +#if __have_long32 +typedef signed long int32_t; +typedef unsigned long uint32_t; +#define __int32_t_defined 1 +#elif __STDINT_EXP(INT_MAX) == 0x7fffffffL +typedef signed int int32_t; +typedef unsigned int uint32_t; +#define __int32_t_defined 1 +#elif __STDINT_EXP(SHRT_MAX) == 0x7fffffffL +typedef signed short int32_t; +typedef unsigned short uint32_t; +#define __int32_t_defined 1 +#elif __STDINT_EXP(SCHAR_MAX) == 0x7fffffffL +typedef signed char int32_t; +typedef unsigned char uint32_t; +#define __int32_t_defined 1 +#endif + +#if __int32_t_defined +typedef int32_t int_least32_t; +typedef uint32_t uint_least32_t; +#define __int_least32_t_defined 1 + +#if !__int_least8_t_defined +typedef int32_t int_least8_t; +typedef uint32_t uint_least8_t; +#define __int_least8_t_defined 1 +#endif + +#if !__int_least16_t_defined +typedef int32_t int_least16_t; +typedef uint32_t uint_least16_t; +#define __int_least16_t_defined 1 +#endif +#endif + +#if __have_long64 +typedef signed long int64_t; +typedef unsigned long uint64_t; +#define __int64_t_defined 1 +#elif __have_longlong64 +typedef signed long long int64_t; +typedef unsigned long long uint64_t; +#define __int64_t_defined 1 +#elif __STDINT_EXP(INT_MAX) > 0x7fffffff +typedef signed int int64_t; +typedef unsigned int uint64_t; +#define __int64_t_defined 1 +#endif + +#if __int64_t_defined +typedef int64_t int_least64_t; +typedef uint64_t uint_least64_t; +#define __int_least64_t_defined 1 + +#if !__int_least8_t_defined +typedef int64_t int_least8_t; +typedef uint64_t uint_least8_t; +#define __int_least8_t_defined 1 +#endif + +#if !__int_least16_t_defined +typedef int64_t int_least16_t; +typedef uint64_t uint_least16_t; +#define __int_least16_t_defined 1 +#endif + +#if !__int_least32_t_defined +typedef int64_t int_least32_t; +typedef uint64_t uint_least32_t; +#define __int_least32_t_defined 1 +#endif +#endif + +/* + * Fastest minimum-width integer types + * + * Assume int to be the fastest type for all types with a width + * less than __INT_MAX__ rsp. INT_MAX + */ +#if __STDINT_EXP(INT_MAX) >= 0x7f + typedef signed int int_fast8_t; + typedef unsigned int uint_fast8_t; +#define __int_fast8_t_defined 1 +#endif + +#if __STDINT_EXP(INT_MAX) >= 0x7fff + typedef signed int int_fast16_t; + typedef unsigned int uint_fast16_t; +#define __int_fast16_t_defined 1 +#endif + +#if __STDINT_EXP(INT_MAX) >= 0x7fffffff + typedef signed int int_fast32_t; + typedef unsigned int uint_fast32_t; +#define __int_fast32_t_defined 1 +#endif + +#if __STDINT_EXP(INT_MAX) > 0x7fffffff + typedef signed int int_fast64_t; + typedef unsigned int uint_fast64_t; +#define __int_fast64_t_defined 1 +#endif + +/* + * Fall back to [u]int_least<N>_t for [u]int_fast<N>_t types + * not having been defined, yet. + * Leave undefined, if [u]int_least<N>_t should not be available. + */ +#if !__int_fast8_t_defined +#if __int_least8_t_defined + typedef int_least8_t int_fast8_t; + typedef uint_least8_t uint_fast8_t; +#define __int_fast8_t_defined 1 +#endif +#endif + +#if !__int_fast16_t_defined +#if __int_least16_t_defined + typedef int_least16_t int_fast16_t; + typedef uint_least16_t uint_fast16_t; +#define __int_fast16_t_defined 1 +#endif +#endif + +#if !__int_fast32_t_defined +#if __int_least32_t_defined + typedef int_least32_t int_fast32_t; + typedef uint_least32_t uint_fast32_t; +#define __int_fast32_t_defined 1 +#endif +#endif + +#if !__int_fast64_t_defined +#if __int_least64_t_defined + typedef int_least64_t int_fast64_t; + typedef uint_least64_t uint_fast64_t; +#define __int_fast64_t_defined 1 +#endif +#endif + +/* Greatest-width integer types */ +/* Modern GCCs provide __INTMAX_TYPE__ */ +#if defined(__INTMAX_TYPE__) + typedef __INTMAX_TYPE__ intmax_t; +#elif __have_longlong64 + typedef signed long long intmax_t; +#else + typedef signed long intmax_t; +#endif + +/* Modern GCCs provide __UINTMAX_TYPE__ */ +#if defined(__UINTMAX_TYPE__) + typedef __UINTMAX_TYPE__ uintmax_t; +#elif __have_longlong64 + typedef unsigned long long uintmax_t; +#else + typedef unsigned long uintmax_t; +#endif + +/* + * GCC doesn't provide an appropriate macro for [u]intptr_t + * For now, use __PTRDIFF_TYPE__ + */ +#if defined(__PTRDIFF_TYPE__) +typedef signed __PTRDIFF_TYPE__ intptr_t; +typedef unsigned __PTRDIFF_TYPE__ uintptr_t; +#define INTPTR_MAX PTRDIFF_MAX +#define INTPTR_MIN PTRDIFF_MIN +#ifdef __UINTPTR_MAX__ +#define UINTPTR_MAX __UINTPTR_MAX__ +#else +#define UINTPTR_MAX (2UL * PTRDIFF_MAX + 1) +#endif +#else +/* + * Fallback to hardcoded values, + * should be valid on cpu's with 32bit int/32bit void* + */ +typedef signed long intptr_t; +typedef unsigned long uintptr_t; +#define INTPTR_MAX __STDINT_EXP(LONG_MAX) +#define INTPTR_MIN (-__STDINT_EXP(LONG_MAX) - 1) +#define UINTPTR_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1) +#endif + +/* Limits of Specified-Width Integer Types */ + +#if __int8_t_defined +#define INT8_MIN -128 +#define INT8_MAX 127 +#define UINT8_MAX 255 +#endif + +#if __int_least8_t_defined +#define INT_LEAST8_MIN -128 +#define INT_LEAST8_MAX 127 +#define UINT_LEAST8_MAX 255 +#else +#error required type int_least8_t missing +#endif + +#if __int16_t_defined +#define INT16_MIN -32768 +#define INT16_MAX 32767 +#define UINT16_MAX 65535 +#endif + +#if __int_least16_t_defined +#define INT_LEAST16_MIN -32768 +#define INT_LEAST16_MAX 32767 +#define UINT_LEAST16_MAX 65535 +#else +#error required type int_least16_t missing +#endif + +#if __int32_t_defined +#if __have_long32 +#define INT32_MIN (-2147483647L-1) +#define INT32_MAX 2147483647L +#define UINT32_MAX 4294967295UL +#else +#define INT32_MIN (-2147483647-1) +#define INT32_MAX 2147483647 +#define UINT32_MAX 4294967295U +#endif +#endif + +#if __int_least32_t_defined +#if __have_long32 +#define INT_LEAST32_MIN (-2147483647L-1) +#define INT_LEAST32_MAX 2147483647L +#define UINT_LEAST32_MAX 4294967295UL +#else +#define INT_LEAST32_MIN (-2147483647-1) +#define INT_LEAST32_MAX 2147483647 +#define UINT_LEAST32_MAX 4294967295U +#endif +#else +#error required type int_least32_t missing +#endif + +#if __int64_t_defined +#if __have_long64 +#define INT64_MIN (-9223372036854775807L-1L) +#define INT64_MAX 9223372036854775807L +#define UINT64_MAX 18446744073709551615U +#elif __have_longlong64 +#define INT64_MIN (-9223372036854775807LL-1LL) +#define INT64_MAX 9223372036854775807LL +#define UINT64_MAX 18446744073709551615ULL +#endif +#endif + +#if __int_least64_t_defined +#if __have_long64 +#define INT_LEAST64_MIN (-9223372036854775807L-1L) +#define INT_LEAST64_MAX 9223372036854775807L +#define UINT_LEAST64_MAX 18446744073709551615U +#elif __have_longlong64 +#define INT_LEAST64_MIN (-9223372036854775807LL-1LL) +#define INT_LEAST64_MAX 9223372036854775807LL +#define UINT_LEAST64_MAX 18446744073709551615ULL +#endif +#endif + +#if __int_fast8_t_defined +#if __STDINT_EXP(INT_MAX) >= 0x7f +#define INT_FAST8_MIN (-__STDINT_EXP(INT_MAX)-1) +#define INT_FAST8_MAX __STDINT_EXP(INT_MAX) +#define UINT_FAST8_MAX (__STDINT_EXP(INT_MAX)*2U+1U) +#else +#define INT_FAST8_MIN INT_LEAST8_MIN +#define INT_FAST8_MAX INT_LEAST8_MAX +#define UINT_FAST8_MAX UINT_LEAST8_MAX +#endif +#endif + +#if __int_fast16_t_defined +#if __STDINT_EXP(INT_MAX) >= 0x7fff +#define INT_FAST16_MIN (-__STDINT_EXP(INT_MAX)-1) +#define INT_FAST16_MAX __STDINT_EXP(INT_MAX) +#define UINT_FAST16_MAX (__STDINT_EXP(INT_MAX)*2U+1U) +#else +#define INT_FAST16_MIN INT_LEAST16_MIN +#define INT_FAST16_MAX INT_LEAST16_MAX +#define UINT_FAST16_MAX UINT_LEAST16_MAX +#endif +#endif + +#if __int_fast32_t_defined +#if __STDINT_EXP(INT_MAX) >= 0x7fffffff +#define INT_FAST32_MIN (-__STDINT_EXP(INT_MAX)-1) +#define INT_FAST32_MAX __STDINT_EXP(INT_MAX) +#define UINT_FAST32_MAX (__STDINT_EXP(INT_MAX)*2U+1U) +#else +#define INT_FAST32_MIN INT_LEAST32_MIN +#define INT_FAST32_MAX INT_LEAST32_MAX +#define UINT_FAST32_MAX UINT_LEAST32_MAX +#endif +#endif + +#if __int_fast64_t_defined +#if __STDINT_EXP(INT_MAX) > 0x7fffffff +#define INT_FAST64_MIN (-__STDINT_EXP(INT_MAX)-1) +#define INT_FAST64_MAX __STDINT_EXP(INT_MAX) +#define UINT_FAST64_MAX (__STDINT_EXP(INT_MAX)*2U+1U) +#else +#define INT_FAST64_MIN INT_LEAST64_MIN +#define INT_FAST64_MAX INT_LEAST64_MAX +#define UINT_FAST64_MAX UINT_LEAST64_MAX +#endif +#endif + +#ifdef __INTMAX_MAX__ +#define INTMAX_MAX __INTMAX_MAX__ +#define INTMAX_MIN (-INTMAX_MAX - 1) +#elif defined(__INTMAX_TYPE__) +/* All relevant GCC versions prefer long to long long for intmax_t. */ +#define INTMAX_MAX INT64_MAX +#define INTMAX_MIN INT64_MIN +#endif + +#ifdef __UINTMAX_MAX__ +#define UINTMAX_MAX __UINTMAX_MAX__ +#elif defined(__UINTMAX_TYPE__) +/* All relevant GCC versions prefer long to long long for intmax_t. */ +#define UINTMAX_MAX UINT64_MAX +#endif + +/* This must match size_t in stddef.h, currently long unsigned int */ +#ifdef __SIZE_MAX__ +#define SIZE_MAX __SIZE_MAX__ +#else +#define SIZE_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1) +#endif + +/* This must match sig_atomic_t in <signal.h> (currently int) */ +#define SIG_ATOMIC_MIN (-__STDINT_EXP(INT_MAX) - 1) +#define SIG_ATOMIC_MAX __STDINT_EXP(INT_MAX) + +/* This must match ptrdiff_t in <stddef.h> (currently long int) */ +#ifdef __PTRDIFF_MAX__ +#define PTRDIFF_MAX __PTRDIFF_MAX__ +#else +#define PTRDIFF_MAX __STDINT_EXP(LONG_MAX) +#endif +#define PTRDIFF_MIN (-PTRDIFF_MAX - 1) + +#ifdef __WCHAR_MAX__ +#define WCHAR_MAX __WCHAR_MAX__ +#endif +#ifdef __WCHAR_MIN__ +#define WCHAR_MIN __WCHAR_MIN__ +#endif + +/* wint_t is unsigned int on almost all GCC targets. */ +#ifdef __WINT_MAX__ +#define WINT_MAX __WINT_MAX__ +#else +#define WINT_MAX (__STDINT_EXP(INT_MAX) * 2U + 1U) +#endif +#ifdef __WINT_MIN__ +#define WINT_MIN __WINT_MIN__ +#else +#define WINT_MIN 0U +#endif + +/** Macros for minimum-width integer constant expressions */ +#define INT8_C(x) x +#if __STDINT_EXP(INT_MAX) > 0x7f +#define UINT8_C(x) x +#else +#define UINT8_C(x) x##U +#endif + +#define INT16_C(x) x +#if __STDINT_EXP(INT_MAX) > 0x7fff +#define UINT16_C(x) x +#else +#define UINT16_C(x) x##U +#endif + +#if __have_long32 +#define INT32_C(x) x##L +#define UINT32_C(x) x##UL +#else +#define INT32_C(x) x +#define UINT32_C(x) x##U +#endif + +#if __int64_t_defined +#if __have_long64 +#define INT64_C(x) x##L +#define UINT64_C(x) x##UL +#else +#define INT64_C(x) x##LL +#define UINT64_C(x) x##ULL +#endif +#endif + +/** Macros for greatest-width integer constant expression */ +#if __have_long64 +#define INTMAX_C(x) x##L +#define UINTMAX_C(x) x##UL +#else +#define INTMAX_C(x) x##LL +#define UINTMAX_C(x) x##ULL +#endif + + +#ifdef __cplusplus +} +#endif + +#endif /* _STDINT_H */ |