haiku/headers/posix/stdint.h
Ingo Weinhold 22611e781a Patch by Curtis Wanner:
* Added some limit macros.
* Removed the "L" suffix from [U]INT32_MAX.
* Reordered some definitions.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24654 a95241bf-73f2-0310-859d-f6bbb57e9c96
2008-03-29 14:16:07 +00:00

159 lines
3.8 KiB
C

/*
* Copyright 2003-2008, Haiku Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _STDINT_H_
#define _STDINT_H_
/* ToDo: this is a compiler and architecture dependent header */
/* Exact-width integer types */
typedef signed char int8_t;
typedef unsigned char uint8_t;
typedef signed short int16_t;
typedef unsigned short uint16_t;
typedef signed int int32_t;
typedef unsigned int uint32_t;
typedef signed long long int64_t;
typedef unsigned long long uint64_t;
/* Minimum-width integer types */
typedef int8_t int_least8_t;
typedef uint8_t uint_least8_t;
typedef int16_t int_least16_t;
typedef uint16_t uint_least16_t;
typedef int32_t int_least32_t;
typedef uint32_t uint_least32_t;
typedef int64_t int_least64_t;
typedef uint64_t uint_least64_t;
/* Fastest minimum-width integer types */
typedef int32_t int_fast8_t;
typedef uint32_t uint_fast8_t;
typedef int32_t int_fast16_t;
typedef uint32_t uint_fast16_t;
typedef int32_t int_fast32_t;
typedef uint32_t uint_fast32_t;
typedef int64_t int_fast64_t;
typedef uint64_t uint_fast64_t;
/* Integer types capable of holding object pointers */
typedef int32_t intptr_t;
typedef uint32_t uintptr_t;
/* Greatest-width integer types */
typedef signed long long intmax_t;
typedef unsigned long long uintmax_t;
/* Limits of exact-width integer types */
#define INT8_MIN (-128)
#define INT8_MAX (127)
#define UINT8_MAX (255U)
#define INT16_MIN (-32768)
#define INT16_MAX (32767)
#define UINT16_MAX (65535U)
#define INT32_MAX (2147483647)
#define INT32_MIN (-INT32_MAX-1)
#define UINT32_MAX (4294967295U)
#define INT64_MAX (9223372036854775807LL)
#define INT64_MIN (-INT64_MAX-1)
#define UINT64_MAX (18446744073709551615ULL)
/* Limits of minimum-width integer types */
#define INT_LEAST8_MIN INT8_MIN
#define INT_LEAST8_MAX INT8_MAX
#define UINT_LEAST8_MAX UINT8_MAX
#define INT_LEAST16_MIN INT16_MIN
#define INT_LEAST16_MAX INT16_MAX
#define UINT_LEAST16_MAX UINT16_MAX
#define INT_LEAST32_MIN INT32_MIN
#define INT_LEAST32_MAX INT32_MAX
#define UINT_LEAST32_MAX UINT32_MAX
#define INT_LEAST64_MIN INT64_MIN
#define INT_LEAST64_MAX INT64_MAX
#define UINT_LEAST64_MAX UINT64_MAX
/* Limits of fastest minimum-width integer types */
#define INT_FAST8_MIN INT8_MIN
#define INT_FAST8_MAX INT8_MAX
#define UINT_FAST8_MAX UINT8_MAX
#define INT_FAST16_MIN INT16_MIN
#define INT_FAST16_MAX INT16_MAX
#define UINT_FAST16_MAX UINT16_MAX
#define INT_FAST32_MIN INT32_MIN
#define INT_FAST32_MAX INT32_MAX
#define UINT_FAST32_MAX UINT32_MAX
#define INT_FAST64_MIN INT64_MIN
#define INT_FAST64_MAX INT64_MAX
#define UINT_FAST64_MAX UINT64_MAX
/* Limits of Integer types capable of holding object pointers */
#define INTPTR_MIN INT32_MIN
#define INTPTR_MAX INT32_MAX
#define UINTPTR_MAX UINT32_MAX
/* Limits of Greatest-width integer types */
#define INTMAX_MIN INT64_MIN
#define INTMAX_MAX INT64_MAX
#define UINTMAX_MAX UINT64_MAX
/* Limits of other integer types */
#define PTDIFF_MIN INT32_MIN
#define PTDIFF_MAX INT32_MAX
#define SIG_ATOMIC_MIN INT32_MIN
#define SIG_ATOMIC_MAX INT32_MAX
#define SIZE_MAX UINT32_MAX
#define WINT_MIN 0
#define WINT_MAX ((wint_t)-1)
#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
// Macros of Integer Constant Expressions
#define INT8_C(value) value
#define INT16_C(value) value
#define INT32_C(value) value
#define INT64_C(value) value ## LL
#define UINT8_C(value) value ## U
#define UINT16_C(value) value ## U
#define UINT32_C(value) value ## U
#define UINT64_C(value) value ## ULL
// Macros for greatest-width integer constant expressions
#define INTMAX_C(value) value ## LL
#define UINTMAX_C(value) value ## ULL
#endif /* !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) */
/* BSD compatibility */
typedef uint8_t u_int8_t;
typedef uint16_t u_int16_t;
typedef uint32_t u_int32_t;
typedef uint64_t u_int64_t;
#endif /* _STDINT_H_ */