blob: 201daecd2ad80824b817d828d57a6bcb9b431ceb [file] [log] [blame]
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2014, STMicroelectronics International N.V.
*/
#include <limits.h>
/*
* This file provides what C99 standard requires in
* 7.18 interger types <stdint.h>
*/
#ifndef STDINT_H
#define STDINT_H
#define _STDINT_H
/*
* If compiler supplies neither __ILP32__ or __LP64__, try to figure it out
* here.
*/
#if !defined(__ILP32__) && !defined(__LP64__)
#if defined(__SIZEOF_INT__) && defined(__SIZEOF_POINTER__) && \
defined(__SIZEOF_LONG__)
#if __SIZEOF_INT__ == 4 && __SIZEOF_POINTER__ == 4 && __SIZEOF_LONG__ == 4
#define __ILP32__ 1
#endif
#if __SIZEOF_INT__ == 4 && __SIZEOF_POINTER__ == 8 && __SIZEOF_LONG__ == 8
#define __LP64__ 1
#endif
#endif
#endif /* !defined(__ILP32__) && !defined(__LP64__) */
#if !defined(__ILP32__) && !defined(__LP64__)
#error Neither __ILP32__ nor __LP64__ is defined
#endif
#ifndef __ASSEMBLER__
/* 7.18.1.1 Exact-width interger types */
#ifndef __int8_t_defined
# define __int8_t_defined
typedef signed char int8_t;
typedef short int int16_t;
typedef int int32_t;
#ifdef __ILP32__
__extension__
typedef long long int int64_t;
#endif /*__ILP32__*/
#ifdef __LP64__
typedef long int int64_t;
#endif /*__LP64__*/
#endif
/* Unsigned. */
typedef unsigned char uint8_t;
typedef unsigned short int uint16_t;
#ifndef __uint32_t_defined
typedef unsigned int uint32_t;
# define __uint32_t_defined
#endif
#ifdef __ILP32__
__extension__
typedef unsigned long long int uint64_t;
#endif /*__ILP32__*/
#ifdef __LP64__
typedef unsigned long int uint64_t;
#endif /*__LP64__*/
/* 7.18.1.2 Minimum-width integer types */
typedef int8_t int_least8_t;
typedef int16_t int_least16_t;
typedef int32_t int_least32_t;
typedef int64_t int_least64_t;
typedef uint8_t uint_least8_t;
typedef uint16_t uint_least16_t;
typedef uint32_t uint_least32_t;
typedef uint64_t uint_least64_t;
/* 7.18.1.3 Fastest minimum-width integer types */
typedef int8_t int_fast8_t;
typedef int16_t int_fast16_t;
typedef int32_t int_fast32_t;
typedef int64_t int_fast64_t;
typedef uint8_t uint_fast8_t;
typedef uint16_t uint_fast16_t;
typedef uint32_t uint_fast32_t;
typedef uint64_t uint_fast64_t;
/* 7.18.1.4 Integer types capable of holding object pointers */
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef int64_t intmax_t;
typedef uint64_t uintmax_t;
#endif /*__ASSEMBLER__*/
/*
* 7.18.2 Limits of specified-width integer types
*/
/* 7.18.2.1 Limits of exact-width interger types */
#define INT8_MIN (-0x7f-1)
#define INT16_MIN (-0x7fff-1)
#define INT32_MIN (-0x7fffffff-1)
#define INT64_MIN (-0x7fffffffffffffffL-1)
#define INT8_MAX 0x7f
#define INT16_MAX 0x7fff
#define INT32_MAX 0x7fffffff
#define INT64_MAX 0x7fffffffffffffffL
#define UINT8_MAX 0xff
#define UINT16_MAX 0xffff
#define UINT32_MAX 0xffffffffU
#define UINT64_MAX 0xffffffffffffffffUL
/* 7.18.2.2 Limits of minimum-width integer types */
#define INT_LEAST8_MIN INT8_MIN
#define INT_LEAST16_MIN INT16_MIN
#define INT_LEAST32_MIN INT32_MIN
#define INT_LEAST64_MIN INT64_MIN
#define INT_LEAST8_MAX INT8_MAX
#define INT_LEAST16_MAX INT16_MAX
#define INT_LEAST32_MAX INT32_MAX
#define INT_LEAST64_MAX INT64_MAX
#define UINT_LEAST8_MAX UINT8_MAX
#define UINT_LEAST16_MAX UINT16_MAX
#define UINT_LEAST32_MAX UINT32_MAX
#define UINT_LEAST64_MAX UINT64_MAX
/* 7.18.2.3 Limits of fastest minimum-width integer types */
#define INT_FAST8_MIN INT8_MIN
#define INT_FAST16_MIN INT16_MIN
#define INT_FAST32_MIN INT32_MIN
#define INT_FAST64_MIN INT64_MIN
#define INT_FAST8_MAX INT8_MAX
#define INT_FAST16_MAX INT16_MAX
#define INT_FAST32_MAX INT32_MAX
#define INT_FAST64_MAX INT64_MAX
#define UINT_FAST8_MAX UINT8_MAX
#define UINT_FAST16_MAX UINT16_MAX
#define UINT_FAST32_MAX UINT32_MAX
#define UINT_FAST64_MAX UINT64_MAX
/* 7.18.2.4 Limits of integer types capable of holding object pointers */
#define INTPTR_MIN LONG_MIN
#define INTPTR_MAX LONG_MAX
#define UINTPTR_MAX ULONG_MAX
/* 7.18.2.5 Limits of greatest-width integer types */
#define INTMAX_MAX INT64_MAX
#define INTMAX_MIN INT64_MIN
#define UINTMAX_MAX UINT64_MAX
/* 7.18.3 Limits of other integer types */
#define SIZE_MAX ULONG_MAX
/*
* 7.18.4 Macros for integer constants
*/
/* 7.18.4.1 Macros for minimum-width integer constants */
#define INT8_C(v) v
#define UINT8_C(v) v
#define INT16_C(v) v
#define UINT16_C(v) v
#define INT32_C(v) v
#define UINT32_C(v) v ## U
#ifdef __ILP32__
#define INT64_C(v) v ## LL
#define UINT64_C(v) v ## ULL
#endif
#ifdef __LP64__
#define INT64_C(v) v ## L
#define UINT64_C(v) v ## UL
#endif
#ifdef __ASSEMBLER__
#define UINTPTR_C(v) v
#define UL(x) x
#else
#define UINTPTR_C(v) v ## LU
#define UL(x) x##UL
#endif
/* 7.18.4.2 Macros for greatest-width integer constants */
#define INTMAX_C(v) INT64_C(v)
#define UINTMAX_C(v) UINT64_C(v)
#endif /* STDINT_H */