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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [include/] [stdint.h] - Rev 273
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/* * 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 */
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