312 lines
8.5 KiB
C
312 lines
8.5 KiB
C
/****************************************************************************
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* include/stdint.h
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*
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* Copyright (C) 2009, 2011, 2014 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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 <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 0x80
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#define INT8_MAX 0x7f
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#define UINT8_MAX 0xff
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#define INT16_MIN 0x8000
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#define INT16_MAX 0x7fff
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#define UINT16_MAX 0xffff
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#ifdef __INT24_DEFINED
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# define INT24_MIN 0x800000
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# define INT24_MAX 0x7fffff
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# define UINT24_MAX 0xffffff
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#endif
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#define INT32_MIN 0x80000000
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#define INT32_MAX 0x7fffffff
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#define UINT32_MAX 0xffffffff
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#ifdef __INT64_DEFINED
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# define INT64_MIN 0x8000000000000000
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# define INT64_MAX 0x7fffffffffffffff
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# define UINT64_MAX 0xffffffffffffffff
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#endif
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/* Limits of minimum-width integer types */
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#define INT_LEAST8_MIN 0x80
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#define INT_LEAST8_MAX 0x7f
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#define UINT_LEAST8_MAX 0xff
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#define INT_LEAST16_MIN 0x8000
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#define INT_LEAST16_MAX 0x7fff
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#define UINT_LEAST16_MAX 0xffff
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#ifdef __INT24_DEFINED
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# define INT_LEAST24_MIN 0x800000
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# define INT_LEAST24_MAX 0x7fffff
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# define UINT_LEAST24_MAX 0xffffff
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#endif
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#define INT_LEAST32_MIN 0x80000000
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#define INT_LEAST32_MAX 0x7fffffff
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#define UINT_LEAST32_MAX 0xffffffff
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#ifdef __INT64_DEFINED
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# define INT_LEAST64_MIN 0x8000000000000000
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# define INT_LEAST64_MAX 0x7fffffffffffffff
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# define UINT_LEAST64_MAX 0xffffffffffffffff
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#endif
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/* Limits of fastest minimum-width integer types */
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#define INT_FAST8_MIN 0x80
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#define INT_FAST8_MAX 0x7f
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#define UINT_FAST8_MAX 0xff
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#define INT_FAST16_MIN 0x8000
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#define INT_FAST16_MAX 0x7fff
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#define UINT_FAST16_MAX 0xffff
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#ifdef __INT24_DEFINED
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# define INT_FAST24_MIN 0x800000
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# define INT_FAST24_MAX 0x7fffff
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# define UINT_FAST24_MAX 0xffffff
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#endif
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#define INT_FAST32_MIN 0x80000000
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#define INT_FAST32_MAX 0x7fffffff
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#define UINT_FAST32_MAX 0xffffffff
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#ifdef __INT64_DEFINED
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# define INT_FAST64_MIN 0x8000000000000000
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# define INT_FAST64_MAX 0x7fffffffffffffff
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# define UINT_FAST64_MAX 0xffffffffffffffff
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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_MIN
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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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#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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#endif
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/* Macros for minimum-width integer constant expressions */
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#if 0 /* REVISIT: Depends on architecture specific implementation */
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#define INT8_C(x) x
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#define INT16_C(x) x
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#define INT32_C(x) x ## L
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#define INT64_C(x) x ## LL
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#define UINT8_C(x) x
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#define UINT16_C(x) x
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#define UINT32_C(x) x ## UL
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#define UINT64_C(x) x ## ULL
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#endif
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/* Macros for greatest-width integer constant expressions */
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#ifdef CONFIG_HAVE_LONG_LONG
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# define INTMAX_C(x) x ## LL
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# define UINTMAX_C(x) x ## ULL
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#else
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# define INTMAX_C(x) x ## L
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# define UINTMAX_C(x) x ## UL
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#endif
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/* Limits of Other Integer Types */
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#if 0
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# define PTRDIFF_MIN
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# define PTRDIFF_MAX
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#endif
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#ifdef CONFIG_SMALL_MEMORY
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#define SIZE_MAX UINT16_MAX /* See sys/types.h */
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#define RSIZE_MAX UINT16_MAX
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#else /* CONFIG_SMALL_MEMORY */
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#define SIZE_MAX UINT32_MAX /* See sys/types.h */
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#define RSIZE_MAX UINT32_MAX
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#endif /* CONFIG_SMALL_MEMORY */
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#if 0
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# define WCHAR_MIN
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# define WCHAR_MAX
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# define WINT_MIN
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# define WINT_MAX
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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 definitions
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* 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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typedef _intptr_t intptr_t;
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typedef _uintptr_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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#ifdef __INT64_DEFINED
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typedef _int64_t intmax_t;
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typedef _uint64_t uintmax_t;
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#else
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typedef _int32_t intmax_t;
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typedef _uint32_t uintmax_t;
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#endif
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#endif /* CONFIG_ARCH_STDBOOL_H */
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#endif /* __INCLUDE_STDINT_H */
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