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incubator-nuttx
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incubator-nuttx/include/stdint.h

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/****************************************************************************
* include/stdint.h
*
* Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __INCLUDE_STDINT_H
#define __INCLUDE_STDINT_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifdef CONFIG_ARCH_STDINT_H
# include <arch/stdint.h>
#else
# include <nuttx/compiler.h>
# include <arch/types.h>
# include <limits.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Limits of exact-width integer types */
#define INT8_MIN 0x80
#define INT8_MAX 0x7f
#define UINT8_MAX 0xff
#define INT16_MIN 0x8000
#define INT16_MAX 0x7fff
#define UINT16_MAX 0xffff
#ifdef __INT24_DEFINED
# define INT24_MIN 0x800000
# define INT24_MAX 0x7fffff
# define UINT24_MAX 0xffffff
#endif
#define INT32_MIN 0x80000000
#define INT32_MAX 0x7fffffff
#define UINT32_MAX 0xffffffff
#ifdef __INT64_DEFINED
# define INT64_MIN 0x8000000000000000
# define INT64_MAX 0x7fffffffffffffff
# define UINT64_MAX 0xffffffffffffffff
#endif
/* Limits of minimum-width integer types */
#define INT8_LEASTN_MIN 0x80
#define INT8_LEASTN_MAX 0x7f
#define UINT8_LEASTN_MAX 0xff
#define INT16_LEASTN_MIN 0x8000
#define INT16_LEASTN_MAX 0x7fff
#define UINT16_LEASTN_MAX 0xffff
#ifdef __INT24_DEFINED
# define INT24_LEASTN_MIN 0x800000
# define INT24_LEASTN_MAX 0x7fffff
# define UINT24_LEASTN_MAX 0xffffff
#endif
#define INT32_LEASTN_MIN 0x80000000
#define INT32_LEASTN_MAX 0x7fffffff
#define UINT32_LEASTN_MAX 0xffffffff
#ifdef __INT64_DEFINED
# define INT64_LEASTN_MIN 0x8000000000000000
# define INT64_LEASTN_MAX 0x7fffffffffffffff
# define UINT64_LEASTN_MAX 0xffffffffffffffff
#endif
/* Limits of fastest minimum-width integer types */
#define INT8_FASTN_MIN 0x80
#define INT8_FASTN_MAX 0x7f
#define UINT8_FASTN_MAX 0xff
#define INT16_FASTN_MIN 0x8000
#define INT16_FASTN_MAX 0x7fff
#define UINT16_FASTN_MAX 0xffff
#ifdef __INT24_DEFINED
# define INT24_FASTN_MIN 0x800000
# define INT24_FASTN_MAX 0x7fffff
# define UINT24_FASTN_MAX 0xffffff
#endif
#define INT32_FASTN_MIN 0x80000000
#define INT32_FASTN_MAX 0x7fffffff
#define UINT32_FASTN_MAX 0xffffffff
#ifdef __INT64_DEFINED
# define INT64_FASTN_MIN 0x8000000000000000
# define INT64_FASTN_MAX 0x7fffffffffffffff
# define UINT64_FASTN_MAX 0xffffffffffffffff
#endif
/* Limits of integer types capable of holding object pointers */
#define INTPTR_MIN PTR_MIN
#define INTPTR_MAX PTR_MIN
#define UINTPTR_MAX UPTR_MAX
/* Limits of greatest-width integer types */
#ifdef __INT64_DEFINED
# define INTMAX_MIN INT64_MIN
# define INTMAX_MAX INT64_MAX
# define UINTMAX_MIN UINT64_MIN
# define UINTMAX_MAX UINT64_MAX
#else
# define INTMAX_MIN INT32_MIN
# define INTMAX_MAX INT32_MAX
# define UINTMAX_MIN UINT32_MIN
# define UINTMAX_MAX UINT32_MAX
#endif
/* Macros for minimum-width integer constant expressions */
#if 0 /* REVISIT: Depends on architecture specific implementation */
#define INT8_C(x) x
#define INT16_C(x) x
#define INT32_C(x) x ## L
#define INT64_C(x) x ## LL
#define UINT8_C(x) x
#define UINT16_C(x) x
#define UINT32_C(x) x ## UL
#define UINT64_C(x) x ## ULL
#endif
/* Macros for greatest-width integer constant expressions */
#ifdef CONFIG_HAVE_LONG_LONG
# define INTMAX_C(x) x ## LL
# define UINTMAX_C(x) x ## ULL
#else
# define INTMAX_C(x) x ## L
# define UINTMAX_C(x) x ## UL
#endif
/* Limits of Other Integer Types */
#if 0
# define PTRDIFF_MIN
# define PTRDIFF_MAX
#endif
#ifdef CONFIG_SMALL_MEMORY
# define SIZE_MAX 0xffff
#else
# define SIZE_MAX 0xffffffff
#endif
#if 0
# define WCHAR_MIN
# define WCHAR_MAX
# define WINT_MIN
# define WINT_MAX
#endif
/****************************************************************************
* Public Types
****************************************************************************/
/* Exact-width integer types. NOTE that these types are defined in
* architecture-specific logic with leading underscore character. This file
* typedef's these to the final name without the underscore character. This
* roundabout way of doings things allows the stdint.h to be removed from the
* include/ directory in the event that the user prefers to use the definitions
* provided by their toolchain header files.
*/
typedef _int8_t int8_t;
typedef _uint8_t uint8_t;
typedef _int16_t int16_t;
typedef _uint16_t uint16_t;
#ifdef __INT24_DEFINED
typedef _int24_t int24_t;
typedef _uint24_t uint24_t;
#endif
typedef _int32_t int32_t;
typedef _uint32_t uint32_t;
#ifdef __INT64_DEFINED
typedef _int64_t int64_t;
typedef _uint64_t uint64_t;
#endif
/* 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;
#ifdef __INT24_DEFINED
typedef _int24_t int_least24_t;
typedef _uint24_t uint_least24_t;
#else
typedef _int32_t int_least24_t;
typedef _uint32_t uint_least24_t;
#endif
typedef _int32_t int_least32_t;
typedef _uint32_t uint_least32_t;
#ifdef __INT64_DEFINED
typedef _int64_t int_least64_t;
typedef _uint64_t uint_least64_t;
#endif
/* Fastest minimum-width integer types */
typedef _int8_t int_fast8_t;
typedef _uint8_t uint_fast8_t;
typedef int int_fast16_t;
typedef unsigned int uint_fast16_t;
#ifdef __INT24_DEFINED
typedef _int24_t int_fast24_t;
typedef _uint24_t uint_fast24_t;
#else
typedef _int32_t int_fast24_t;
typedef _uint32_t uint_fast24_t;
#endif
typedef _int32_t int_fast32_t;
typedef _uint32_t uint_fast32_t;
#ifdef __INT64_DEFINED
typedef _int64_t int_fast64_t;
typedef _uint64_t uint_fast64_t;
#endif
/* Integer types capable of holding object pointers */
typedef _intptr_t intptr_t;
typedef _uintptr_t uintptr_t;
/* Some architectures support a FAR pointer which is larger then the normal
* (near) pointer
*/
#ifdef CONFIG_HAVE_FARPOINTER
typedef _int_farptr_t int_farptr_t;
typedef _uint_farptr_t uint_farptr_t;
#endif
/* Greatest-width integer types */
#ifdef __INT64_DEFINED
typedef _int64_t intmax_t;
typedef _uint64_t uintmax_t;
#else
typedef _int32_t intmax_t;
typedef _uint32_t uintmax_t;
#endif
#endif /* CONFIG_ARCH_STDBOOL_H */
#endif /* __INCLUDE_STDINT_H */
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