/*===---- stdint.h - Standard header for sized integer types --------------===*\ * * Copyright (c) 2009 Chris Lattner * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * \*===----------------------------------------------------------------------===*/ #ifndef __CLANG_STDINT_H #define __CLANG_STDINT_H /* If we're hosted, fall back to the system's stdint.h, which might have * additional definitions. */ #if __STDC_HOSTED__ && \ defined(__has_include_next) && __has_include_next() # include_next #else /* We currently only support targets with power of two, 2s complement integers. */ /* C99 7.18.1.1 Exact-width integer types. * C99 7.18.1.2 Minimum-width integer types. * C99 7.18.1.3 Fastest minimum-width integer types. * Since we only support pow-2 targets, these map directly to exact width types. */ #ifndef __int8_t_defined /* glibc does weird things with sys/types.h */ #define __int8_t_defined typedef signed __INT8_TYPE__ int8_t; typedef __INT16_TYPE__ int16_t; typedef __INT32_TYPE__ int32_t; #ifdef __INT64_TYPE__ typedef __INT64_TYPE__ int64_t; #endif #endif typedef unsigned __INT8_TYPE__ uint8_t; typedef int8_t int_least8_t; typedef uint8_t uint_least8_t; typedef int8_t int_fast8_t; typedef uint8_t uint_fast8_t; typedef unsigned __INT16_TYPE__ uint16_t; typedef int16_t int_least16_t; typedef uint16_t uint_least16_t; typedef int16_t int_fast16_t; typedef uint16_t uint_fast16_t; #ifndef __uint32_t_defined /* more glibc compatibility */ #define __uint32_t_defined typedef unsigned __INT32_TYPE__ uint32_t; #endif typedef int32_t int_least32_t; typedef uint32_t uint_least32_t; typedef int32_t int_fast32_t; typedef uint32_t uint_fast32_t; /* Some 16-bit targets do not have a 64-bit datatype. Only define the 64-bit * typedefs if there is something to typedef them to. */ #ifdef __INT64_TYPE__ typedef unsigned __INT64_TYPE__ uint64_t; typedef int64_t int_least64_t; typedef uint64_t uint_least64_t; typedef int64_t int_fast64_t; typedef uint64_t uint_fast64_t; #endif /* C99 7.18.1.4 Integer types capable of holding object pointers. */ #ifndef __intptr_t_defined typedef __INTPTR_TYPE__ intptr_t; #define __intptr_t_defined #endif typedef unsigned __INTPTR_TYPE__ uintptr_t; /* C99 7.18.1.5 Greatest-width integer types. */ typedef __INTMAX_TYPE__ intmax_t; typedef __UINTMAX_TYPE__ uintmax_t; /* C99 7.18.2.1 Limits of exact-width integer types. * Fixed sized values have fixed size max/min. * C99 7.18.2.2 Limits of minimum-width integer types. * Since we map these directly onto fixed-sized types, these values the same. * C99 7.18.2.3 Limits of fastest minimum-width integer types. * * Note that C++ should not check __STDC_LIMIT_MACROS here, contrary to the * claims of the C standard (see C++ 18.3.1p2, [cstdint.syn]). */ #define INT8_MAX 127 #define INT8_MIN (-128) #define UINT8_MAX 255 #define INT_LEAST8_MIN INT8_MIN #define INT_LEAST8_MAX INT8_MAX #define UINT_LEAST8_MAX UINT8_MAX #define INT_FAST8_MIN INT8_MIN #define INT_FAST8_MAX INT8_MAX #define UINT_FAST8_MAX UINT8_MAX #define INT16_MAX 32767 #define INT16_MIN (-32768) #define UINT16_MAX 65535 #define INT_LEAST16_MIN INT16_MIN #define INT_LEAST16_MAX INT16_MAX #define UINT_LEAST16_MAX UINT16_MAX #define INT_FAST16_MIN INT16_MIN #define INT_FAST16_MAX INT16_MAX #define UINT_FAST16_MAX UINT16_MAX #define INT32_MAX 2147483647 #define INT32_MIN (-2147483647-1) #define UINT32_MAX 4294967295U #define INT_LEAST32_MIN INT32_MIN #define INT_LEAST32_MAX INT32_MAX #define UINT_LEAST32_MAX UINT32_MAX #define INT_FAST32_MIN INT32_MIN #define INT_FAST32_MAX INT32_MAX #define UINT_FAST32_MAX UINT32_MAX /* If we do not have 64-bit support, don't define the 64-bit size macros. */ #ifdef __INT64_TYPE__ #define INT64_MAX 9223372036854775807LL #define INT64_MIN (-9223372036854775807LL-1) #define UINT64_MAX 18446744073709551615ULL #define INT_LEAST64_MIN INT64_MIN #define INT_LEAST64_MAX INT64_MAX #define UINT_LEAST64_MAX UINT64_MAX #define INT_FAST64_MIN INT64_MIN #define INT_FAST64_MAX INT64_MAX #define UINT_FAST64_MAX UINT64_MAX #endif /* C99 7.18.2.4 Limits of integer types capable of holding object pointers. */ /* C99 7.18.3 Limits of other integer types. */ #if __POINTER_WIDTH__ == 64 #define INTPTR_MIN INT64_MIN #define INTPTR_MAX INT64_MAX #define UINTPTR_MAX UINT64_MAX #define PTRDIFF_MIN INT64_MIN #define PTRDIFF_MAX INT64_MAX #define SIZE_MAX UINT64_MAX #elif __POINTER_WIDTH__ == 32 #define INTPTR_MIN INT32_MIN #define INTPTR_MAX INT32_MAX #define UINTPTR_MAX UINT32_MAX #define PTRDIFF_MIN INT32_MIN #define PTRDIFF_MAX INT32_MAX #define SIZE_MAX UINT32_MAX #elif __POINTER_WIDTH__ == 16 #define INTPTR_MIN INT16_MIN #define INTPTR_MAX INT16_MAX #define UINTPTR_MAX UINT16_MAX #define PTRDIFF_MIN INT16_MIN #define PTRDIFF_MAX INT16_MAX #define SIZE_MAX UINT16_MAX #else #error "unknown or unset pointer width!" #endif /* C99 7.18.2.5 Limits of greatest-width integer types. */ #define INTMAX_MIN (-__INTMAX_MAX__-1) #define INTMAX_MAX __INTMAX_MAX__ #define UINTMAX_MAX (__INTMAX_MAX__*2ULL+1ULL) /* C99 7.18.3 Limits of other integer types. */ #define SIG_ATOMIC_MIN INT32_MIN #define SIG_ATOMIC_MAX INT32_MAX #define WINT_MIN INT32_MIN #define WINT_MAX INT32_MAX /* FIXME: if we ever support a target with unsigned wchar_t, this should be * 0 .. Max. */ #ifndef WCHAR_MAX #define WCHAR_MAX __WCHAR_MAX__ #endif #ifndef WCHAR_MIN #define WCHAR_MIN (-__WCHAR_MAX__-1) #endif /* C99 7.18.4 Macros for minimum-width integer constants. * * Note that C++ should not check __STDC_CONSTANT_MACROS here, contrary to the * claims of the C standard (see C++ 18.3.1p2, [cstdint.syn]). */ #define INT8_C(v) (v) #define UINT8_C(v) (v##U) #define INT16_C(v) (v) #define UINT16_C(v) (v##U) #define INT32_C(v) (v) #define UINT32_C(v) (v##U) /* Only define the 64-bit size macros if we have 64-bit support. */ #ifdef __INT64_TYPE__ #define INT64_C(v) (v##LL) #define UINT64_C(v) (v##ULL) #endif /* 7.18.4.2 Macros for greatest-width integer constants. */ #define INTMAX_C(v) (v##LL) #define UINTMAX_C(v) (v##ULL) #endif /* __STDC_HOSTED__ */ #endif /* __CLANG_STDINT_H */