1// ISO C9x compliant stdint.h for Microsoft Visual Studio 2// Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124 3// 4// Copyright (c) 2006-2008 Alexander Chemeris 5// 6// Redistribution and use in source and binary forms, with or without 7// modification, are permitted provided that the following conditions are met: 8// 9// 1. Redistributions of source code must retain the above copyright notice, 10// this list of conditions and the following disclaimer. 11// 12// 2. Redistributions in binary form must reproduce the above copyright 13// notice, this list of conditions and the following disclaimer in the 14// documentation and/or other materials provided with the distribution. 15// 16// 3. The name of the author may be used to endorse or promote products 17// derived from this software without specific prior written permission. 18// 19// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 20// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 21// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 22// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 24// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 25// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 26// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 27// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 28// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29// 30/////////////////////////////////////////////////////////////////////////////// 31 32#ifndef _MSC_VER // [ 33#error "Use this header only with Microsoft Visual C++ compilers!" 34#endif // _MSC_VER ] 35 36#ifndef _MSC_STDINT_H_ // [ 37#define _MSC_STDINT_H_ 38 39#if _MSC_VER > 1000 40#pragma once 41#endif 42 43#include <limits.h> 44 45// For Visual Studio 6 in C++ mode and for many Visual Studio versions when 46// compiling for ARM we should wrap <wchar.h> include with 'extern "C++" {}' 47// or compiler give many errors like this: 48// error C2733: second C linkage of overloaded function 'wmemchr' not allowed 49#ifdef __cplusplus 50extern "C" { 51#endif 52# include <wchar.h> 53#ifdef __cplusplus 54} 55#endif 56 57// Define _W64 macros to mark types changing their size, like intptr_t. 58#ifndef _W64 59# if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300 60# define _W64 __w64 61# else 62# define _W64 63# endif 64#endif 65 66 67// 7.18.1 Integer types 68 69// 7.18.1.1 Exact-width integer types 70 71// Visual Studio 6 and Embedded Visual C++ 4 doesn't 72// realize that, e.g. char has the same size as __int8 73// so we give up on __intX for them. 74#if (_MSC_VER < 1300) 75 typedef signed char int8_t; 76 typedef signed short int16_t; 77 typedef signed int int32_t; 78 typedef unsigned char uint8_t; 79 typedef unsigned short uint16_t; 80 typedef unsigned int uint32_t; 81#else 82 typedef signed __int8 int8_t; 83 typedef signed __int16 int16_t; 84 typedef signed __int32 int32_t; 85 typedef unsigned __int8 uint8_t; 86 typedef unsigned __int16 uint16_t; 87 typedef unsigned __int32 uint32_t; 88#endif 89typedef signed __int64 int64_t; 90typedef unsigned __int64 uint64_t; 91 92 93// 7.18.1.2 Minimum-width integer types 94typedef int8_t int_least8_t; 95typedef int16_t int_least16_t; 96typedef int32_t int_least32_t; 97typedef int64_t int_least64_t; 98typedef uint8_t uint_least8_t; 99typedef uint16_t uint_least16_t; 100typedef uint32_t uint_least32_t; 101typedef uint64_t uint_least64_t; 102 103// 7.18.1.3 Fastest minimum-width integer types 104typedef int8_t int_fast8_t; 105typedef int16_t int_fast16_t; 106typedef int32_t int_fast32_t; 107typedef int64_t int_fast64_t; 108typedef uint8_t uint_fast8_t; 109typedef uint16_t uint_fast16_t; 110typedef uint32_t uint_fast32_t; 111typedef uint64_t uint_fast64_t; 112 113// 7.18.1.4 Integer types capable of holding object pointers 114#ifdef _WIN64 // [ 115 typedef signed __int64 intptr_t; 116 typedef unsigned __int64 uintptr_t; 117#else // _WIN64 ][ 118 typedef _W64 signed int intptr_t; 119 typedef _W64 unsigned int uintptr_t; 120#endif // _WIN64 ] 121 122// 7.18.1.5 Greatest-width integer types 123typedef int64_t intmax_t; 124typedef uint64_t uintmax_t; 125 126 127// 7.18.2 Limits of specified-width integer types 128 129#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [ See footnote 220 at page 257 and footnote 221 at page 259 130 131// 7.18.2.1 Limits of exact-width integer types 132#define INT8_MIN ((int8_t)_I8_MIN) 133#define INT8_MAX _I8_MAX 134#define INT16_MIN ((int16_t)_I16_MIN) 135#define INT16_MAX _I16_MAX 136#define INT32_MIN ((int32_t)_I32_MIN) 137#define INT32_MAX _I32_MAX 138#define INT64_MIN ((int64_t)_I64_MIN) 139#define INT64_MAX _I64_MAX 140#define UINT8_MAX _UI8_MAX 141#define UINT16_MAX _UI16_MAX 142#define UINT32_MAX _UI32_MAX 143#define UINT64_MAX _UI64_MAX 144 145// 7.18.2.2 Limits of minimum-width integer types 146#define INT_LEAST8_MIN INT8_MIN 147#define INT_LEAST8_MAX INT8_MAX 148#define INT_LEAST16_MIN INT16_MIN 149#define INT_LEAST16_MAX INT16_MAX 150#define INT_LEAST32_MIN INT32_MIN 151#define INT_LEAST32_MAX INT32_MAX 152#define INT_LEAST64_MIN INT64_MIN 153#define INT_LEAST64_MAX INT64_MAX 154#define UINT_LEAST8_MAX UINT8_MAX 155#define UINT_LEAST16_MAX UINT16_MAX 156#define UINT_LEAST32_MAX UINT32_MAX 157#define UINT_LEAST64_MAX UINT64_MAX 158 159// 7.18.2.3 Limits of fastest minimum-width integer types 160#define INT_FAST8_MIN INT8_MIN 161#define INT_FAST8_MAX INT8_MAX 162#define INT_FAST16_MIN INT16_MIN 163#define INT_FAST16_MAX INT16_MAX 164#define INT_FAST32_MIN INT32_MIN 165#define INT_FAST32_MAX INT32_MAX 166#define INT_FAST64_MIN INT64_MIN 167#define INT_FAST64_MAX INT64_MAX 168#define UINT_FAST8_MAX UINT8_MAX 169#define UINT_FAST16_MAX UINT16_MAX 170#define UINT_FAST32_MAX UINT32_MAX 171#define UINT_FAST64_MAX UINT64_MAX 172 173// 7.18.2.4 Limits of integer types capable of holding object pointers 174#ifdef _WIN64 // [ 175# define INTPTR_MIN INT64_MIN 176# define INTPTR_MAX INT64_MAX 177# define UINTPTR_MAX UINT64_MAX 178#else // _WIN64 ][ 179# define INTPTR_MIN INT32_MIN 180# define INTPTR_MAX INT32_MAX 181# define UINTPTR_MAX UINT32_MAX 182#endif // _WIN64 ] 183 184// 7.18.2.5 Limits of greatest-width integer types 185#define INTMAX_MIN INT64_MIN 186#define INTMAX_MAX INT64_MAX 187#define UINTMAX_MAX UINT64_MAX 188 189// 7.18.3 Limits of other integer types 190 191#ifdef _WIN64 // [ 192# define PTRDIFF_MIN _I64_MIN 193# define PTRDIFF_MAX _I64_MAX 194#else // _WIN64 ][ 195# define PTRDIFF_MIN _I32_MIN 196# define PTRDIFF_MAX _I32_MAX 197#endif // _WIN64 ] 198 199#define SIG_ATOMIC_MIN INT_MIN 200#define SIG_ATOMIC_MAX INT_MAX 201 202#ifndef SIZE_MAX // [ 203# ifdef _WIN64 // [ 204# define SIZE_MAX _UI64_MAX 205# else // _WIN64 ][ 206# define SIZE_MAX _UI32_MAX 207# endif // _WIN64 ] 208#endif // SIZE_MAX ] 209 210// WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h> 211#ifndef WCHAR_MIN // [ 212# define WCHAR_MIN 0 213#endif // WCHAR_MIN ] 214#ifndef WCHAR_MAX // [ 215# define WCHAR_MAX _UI16_MAX 216#endif // WCHAR_MAX ] 217 218#define WINT_MIN 0 219#define WINT_MAX _UI16_MAX 220 221#endif // __STDC_LIMIT_MACROS ] 222 223 224// 7.18.4 Limits of other integer types 225 226#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260 227 228// 7.18.4.1 Macros for minimum-width integer constants 229 230#define INT8_C(val) val##i8 231#define INT16_C(val) val##i16 232#define INT32_C(val) val##i32 233#define INT64_C(val) val##i64 234 235#define UINT8_C(val) val##ui8 236#define UINT16_C(val) val##ui16 237#define UINT32_C(val) val##ui32 238#define UINT64_C(val) val##ui64 239 240// 7.18.4.2 Macros for greatest-width integer constants 241#define INTMAX_C INT64_C 242#define UINTMAX_C UINT64_C 243 244#endif // __STDC_CONSTANT_MACROS ] 245 246 247#endif // _MSC_STDINT_H_ ] 248