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/*===---- 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 __STDINT_H
#define __STDINT_H
/* 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.
*/
typedef signed __INT8_TYPE__ int8_t;
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 __INT16_TYPE__ int16_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;
typedef __INT32_TYPE__ int32_t;
typedef unsigned __INT32_TYPE__ uint32_t;
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 __INT64_TYPE__ int64_t;
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.
*/
#if (1LL << (__POINTER_WIDTH__-1))-1 == __LONG_MAX__
/* If the pointer size is equal to long, use long. This is for compatibility
* with many systems which just use long and expect it to work in 32-bit and
* 64-bit mode. If long is not suitable, we use a fixed size type below.
*/
typedef long intptr_t;
typedef unsigned long uintptr_t;
#elif __POINTER_WIDTH__ == 64
typedef int64_t intptr_t;
typedef uint64_t uintptr_t;
#elif __POINTER_WIDTH__ == 32
typedef int32_t intptr_t;
typedef uint32_t uintptr_t;
#elif __POINTER_WIDTH__ == 16
typedef int16_t intptr_t;
typedef uint16_t uintptr_t;
#else
#error "unknown or unset pointer width!"
#endif
/* 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.
*/
#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
#define INT8_MAX ((int8_t)127)
#define INT8_MIN ((int8_t)-128)
#define UINT8_MAX ((uint8_t)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 ((int16_t)32767)
#define INT16_MIN ((int16_t)-32768)
#define UINT16_MAX ((uint16_t)(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 ((int32_t)2147483647LL)
#define INT32_MIN ((int32_t)(-2147483647LL-1))
#define UINT32_MAX ((uint32_t)4294967295ULL)
#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. */
#ifndef __INT64_TYPE__
#define INT64_MAX ((int64_t)9223372036854775807LL)
#define INT64_MIN ((int64_t)(-9223372036854775807LL-1))
#define UINT64_MAX ((uint64_t)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__*2+1)
/* 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
#endif /* C++ needs __STDC_LIMIT_MACROS. */
/* C99 7.18.4 Macros for minimum-width integer constants. */
/* C99 Footnote 220: C++ requires __STDC_CONSTANT_MACROS. */
#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
#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)
/* If we do not have 64-bit support, don't define the 64-bit size macros. */
#ifndef __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 /* C++ requires __STDC_CONSTANT_MACROS */
#endif /* __STDINT_H */