nuttx/include/stdint.h
Alin Jerpelea 9b9be7e1f0 include: Author: Gregory Nutt: update licenses to Apache 2.0
Update files from Gregory Nutt to Apache 2.0 license.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-02-04 03:33:58 -08:00

267 lines
7.5 KiB
C

/****************************************************************************
* include/stdint.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#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 <arch/inttypes.h>
# include <limits.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Limits of exact-width integer types */
#define INT8_MIN (-INT8_MAX - 1)
#define INT8_MAX 127
#define UINT8_MAX 255
#define INT16_MIN (-INT16_MAX - 1)
#define INT16_MAX 32767
#define UINT16_MAX 65535u
#ifdef __INT24_DEFINED
# define INT24_MIN (-INT24_MAX - 1)
# define INT24_MAX 8388607
# define UINT24_MAX 16777215u
#endif
#define INT32_MIN (-INT32_MAX - 1)
#define INT32_MAX 2147483647
#define UINT32_MAX 4294967295u
#ifdef __INT64_DEFINED
# define INT64_MIN (-INT64_MAX - 1ll)
# define INT64_MAX 9223372036854775807ll
# define UINT64_MAX 18446744073709551615ull
#endif
/* 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
#ifdef __INT24_DEFINED
# define INT_LEAST24_MIN INT24_MIN
# define INT_LEAST24_MAX INT24_MAX
# define UINT_LEAST24_MAX UINT24_MAX
#endif
#define INT_LEAST32_MIN INT32_MIN
#define INT_LEAST32_MAX INT32_MAX
#define UINT_LEAST32_MAX UINT32_MAX
#ifdef __INT64_DEFINED
# define INT_LEAST64_MIN INT64_MIN
# define INT_LEAST64_MAX INT64_MAX
# define UINT_LEAST64_MAX UINT64_MAX
#endif
/* 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
#ifdef __INT24_DEFINED
# define INT_FAST24_MIN INT24_MIN
# define INT_FAST24_MAX INT24_MAX
# define UINT_FAST24_MAX UINT24_MAX
#endif
#define INT_FAST32_MIN INT32_MIN
#define INT_FAST32_MAX INT32_MAX
#define UINT_FAST32_MAX UINT32_MAX
#ifdef __INT64_DEFINED
# define INT_FAST64_MIN INT64_MIN
# define INT_FAST64_MAX INT64_MAX
# define UINT_FAST64_MAX UINT64_MAX
#endif
/* Limits of integer types capable of holding object pointers */
#define INTPTR_MIN PTR_MIN
#define INTPTR_MAX PTR_MAX
#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
# define INTMAX_C(x) INT64_C(x)
# define UINTMAX_C(x) UINT64_C(x)
#else
# define INTMAX_MIN INT32_MIN
# define INTMAX_MAX INT32_MAX
# define UINTMAX_MIN UINT32_MIN
# define UINTMAX_MAX UINT32_MAX
# define INTMAX_C(x) INT32_C(x)
# define UINTMAX_C(x) UINT32_C(x)
#endif
/* Limits of Other Integer Types */
#if 0
# define PTRDIFF_MIN
# define PTRDIFF_MAX
#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
* As a general rule, the size of size_t should be the same as the size of
* uintptr_t: 32-bits on a machine with 32-bit addressing but 64-bits on a
* machine with 64-bit addressing.
*/
typedef _ssize_t intptr_t;
typedef _size_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 */
typedef _intmax_t intmax_t;
typedef _uintmax_t uintmax_t;
#endif /* CONFIG_ARCH_STDINT_H */
#endif /* __INCLUDE_STDINT_H */