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 50 extern "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 char int8_t; 76 typedef short int16_t; 77 typedef 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 __int8 int8_t; 83 typedef __int16 int16_t; 84 typedef __int32 int32_t; 85 typedef unsigned __int8 uint8_t; 86 typedef unsigned __int16 uint16_t; 87 typedef unsigned __int32 uint32_t; 88 #endif 89 typedef __int64 int64_t; 90 typedef unsigned __int64 uint64_t; 91 92 93 // 7.18.1.2 Minimum-width integer types 94 typedef int8_t int_least8_t; 95 typedef int16_t int_least16_t; 96 typedef int32_t int_least32_t; 97 typedef int64_t int_least64_t; 98 typedef uint8_t uint_least8_t; 99 typedef uint16_t uint_least16_t; 100 typedef uint32_t uint_least32_t; 101 typedef uint64_t uint_least64_t; 102 103 // 7.18.1.3 Fastest minimum-width integer types 104 typedef int8_t int_fast8_t; 105 typedef int16_t int_fast16_t; 106 typedef int32_t int_fast32_t; 107 typedef int64_t int_fast64_t; 108 typedef uint8_t uint_fast8_t; 109 typedef uint16_t uint_fast16_t; 110 typedef uint32_t uint_fast32_t; 111 typedef uint64_t uint_fast64_t; 112 113 // 7.18.1.4 Integer types capable of holding object pointers 114 #ifdef _WIN64 // [ 115 typedef __int64 intptr_t; 116 typedef unsigned __int64 uintptr_t; 117 #else // _WIN64 ][ 118 typedef _W64 int intptr_t; 119 typedef _W64 unsigned int uintptr_t; 120 #endif // _WIN64 ] 121 122 // 7.18.1.5 Greatest-width integer types 123 typedef int64_t intmax_t; 124 typedef 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