252 lines
7.3 KiB
C
252 lines
7.3 KiB
C
/****************************************************************************
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* include/stdint.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_STDINT_H
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#define __INCLUDE_STDINT_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifdef CONFIG_ARCH_STDINT_H
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# include <arch/stdint.h>
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#else
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# include <nuttx/compiler.h>
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# include <arch/types.h>
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# include <arch/inttypes.h>
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# include <limits.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Limits of exact-width integer types */
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#define INT8_MIN (-INT8_MAX - 1)
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#define INT8_MAX INT8_C(127)
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#define UINT8_MAX UINT8_C(255)
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#define INT16_MIN (-INT16_MAX - 1)
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#define INT16_MAX INT16_C(32767)
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#define UINT16_MAX UINT16_C(65535)
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#ifdef __INT24_DEFINED
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# define INT24_MIN (-INT24_MAX - 1)
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# define INT24_MAX INT24_C(8388607)
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# define UINT24_MAX UINT24_C(16777215)
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#endif
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#define INT32_MIN (-INT32_MAX - 1)
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#define INT32_MAX INT32_C(2147483647)
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#define UINT32_MAX UINT32_C(4294967295)
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#ifdef __INT64_DEFINED
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# define INT64_MIN (-INT64_MAX - 1)
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# define INT64_MAX INT64_C(9223372036854775807)
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# define UINT64_MAX UINT64_C(18446744073709551615)
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#endif
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/* Limits of minimum-width integer types */
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#define INT_LEAST8_MIN INT8_MIN
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#define INT_LEAST8_MAX INT8_MAX
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#define UINT_LEAST8_MAX UINT8_MAX
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#define INT_LEAST16_MIN INT16_MIN
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#define INT_LEAST16_MAX INT16_MAX
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#define UINT_LEAST16_MAX UINT16_MAX
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#ifdef __INT24_DEFINED
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# define INT_LEAST24_MIN INT24_MIN
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# define INT_LEAST24_MAX INT24_MAX
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# define UINT_LEAST24_MAX UINT24_MAX
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#endif
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#define INT_LEAST32_MIN INT32_MIN
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#define INT_LEAST32_MAX INT32_MAX
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#define UINT_LEAST32_MAX UINT32_MAX
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#ifdef __INT64_DEFINED
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# define INT_LEAST64_MIN INT64_MIN
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# define INT_LEAST64_MAX INT64_MAX
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# define UINT_LEAST64_MAX UINT64_MAX
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#endif
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/* Limits of fastest minimum-width integer types */
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#define INT_FAST8_MIN INT8_MIN
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#define INT_FAST8_MAX INT8_MAX
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#define UINT_FAST8_MAX UINT8_MAX
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#define INT_FAST16_MIN INT16_MIN
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#define INT_FAST16_MAX INT16_MAX
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#define UINT_FAST16_MAX UINT16_MAX
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#ifdef __INT24_DEFINED
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# define INT_FAST24_MIN INT24_MIN
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# define INT_FAST24_MAX INT24_MAX
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# define UINT_FAST24_MAX UINT24_MAX
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#endif
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#define INT_FAST32_MIN INT32_MIN
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#define INT_FAST32_MAX INT32_MAX
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#define UINT_FAST32_MAX UINT32_MAX
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#ifdef __INT64_DEFINED
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# define INT_FAST64_MIN INT64_MIN
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# define INT_FAST64_MAX INT64_MAX
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# define UINT_FAST64_MAX UINT64_MAX
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#endif
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/* Limits of integer types capable of holding object pointers */
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#define INTPTR_MIN PTR_MIN
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#define INTPTR_MAX PTR_MAX
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#define UINTPTR_MAX UPTR_MAX
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/* Limits of greatest-width integer types */
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#ifdef __INT64_DEFINED
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# define INTMAX_MIN INT64_MIN
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# define INTMAX_MAX INT64_MAX
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# define UINTMAX_MIN UINT64_MIN
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# define UINTMAX_MAX UINT64_MAX
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# define INTMAX_C(x) INT64_C(x)
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# define UINTMAX_C(x) UINT64_C(x)
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#else
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# define INTMAX_MIN INT32_MIN
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# define INTMAX_MAX INT32_MAX
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# define UINTMAX_MIN UINT32_MIN
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# define UINTMAX_MAX UINT32_MAX
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# define INTMAX_C(x) INT32_C(x)
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# define UINTMAX_C(x) UINT32_C(x)
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* Exact-width integer types. NOTE that these types are defined in
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* architecture-specific logic with leading underscore character. This file
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* typedef's these to the final name without the underscore character. This
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* roundabout way of doings things allows the stdint.h to be removed from the
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* include/ directory in the event that the user prefers to use the
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* definitions provided by their toolchain header files.
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*/
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typedef _int8_t int8_t;
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typedef _uint8_t uint8_t;
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typedef _int16_t int16_t;
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typedef _uint16_t uint16_t;
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#ifdef __INT24_DEFINED
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typedef _int24_t int24_t;
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typedef _uint24_t uint24_t;
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#endif
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typedef _int32_t int32_t;
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typedef _uint32_t uint32_t;
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#ifdef __INT64_DEFINED
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typedef _int64_t int64_t;
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typedef _uint64_t uint64_t;
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#endif
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/* Minimum-width integer types */
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typedef _int8_t int_least8_t;
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typedef _uint8_t uint_least8_t;
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typedef _int16_t int_least16_t;
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typedef _uint16_t uint_least16_t;
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#ifdef __INT24_DEFINED
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typedef _int24_t int_least24_t;
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typedef _uint24_t uint_least24_t;
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#else
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typedef _int32_t int_least24_t;
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typedef _uint32_t uint_least24_t;
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#endif
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typedef _int32_t int_least32_t;
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typedef _uint32_t uint_least32_t;
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#ifdef __INT64_DEFINED
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typedef _int64_t int_least64_t;
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typedef _uint64_t uint_least64_t;
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#endif
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/* Fastest minimum-width integer types */
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typedef _int8_t int_fast8_t;
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typedef _uint8_t uint_fast8_t;
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typedef int int_fast16_t;
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typedef unsigned int uint_fast16_t;
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#ifdef __INT24_DEFINED
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typedef _int24_t int_fast24_t;
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typedef _uint24_t uint_fast24_t;
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#else
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typedef _int32_t int_fast24_t;
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typedef _uint32_t uint_fast24_t;
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#endif
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typedef _int32_t int_fast32_t;
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typedef _uint32_t uint_fast32_t;
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#ifdef __INT64_DEFINED
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typedef _int64_t int_fast64_t;
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typedef _uint64_t uint_fast64_t;
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#endif
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/* Integer types capable of holding object pointers
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* As a general rule, the size of size_t should be the same as the size of
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* uintptr_t: 32-bits on a machine with 32-bit addressing but 64-bits on a
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* machine with 64-bit addressing.
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*/
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typedef _ssize_t intptr_t;
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typedef _size_t uintptr_t;
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/* Some architectures support a FAR pointer which is larger then the normal
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* (near) pointer
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*/
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#ifdef CONFIG_HAVE_FARPOINTER
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typedef _int_farptr_t int_farptr_t;
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typedef _uint_farptr_t uint_farptr_t;
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#endif
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/* Greatest-width integer types */
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typedef _intmax_t intmax_t;
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typedef _uintmax_t uintmax_t;
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#endif /* CONFIG_ARCH_STDINT_H */
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#endif /* __INCLUDE_STDINT_H */
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