include/c99/stdint.h

   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 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
  89 typedef signed __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 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
 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_ ]