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MSStdInt.h
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00001 // ISO C9x  compliant stdint.h for Microsoft Visual Studio
00002 // Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124 
00003 // 
00004 //  Copyright (c) 2006-2008 Alexander Chemeris
00005 // 
00006 // Redistribution and use in source and binary forms, with or without
00007 // modification, are permitted provided that the following conditions are met:
00008 // 
00009 //   1. Redistributions of source code must retain the above copyright notice,
00010 //      this list of conditions and the following disclaimer.
00011 // 
00012 //   2. Redistributions in binary form must reproduce the above copyright
00013 //      notice, this list of conditions and the following disclaimer in the
00014 //      documentation and/or other materials provided with the distribution.
00015 // 
00016 //   3. The name of the author may be used to endorse or promote products
00017 //      derived from this software without specific prior written permission.
00018 // 
00019 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
00020 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
00021 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
00022 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00023 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00024 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
00025 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
00026 // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
00027 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
00028 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00029 // 
00031 
00032 #ifndef _MSC_VER // [
00033 #error "Use this header only with Microsoft Visual C++ compilers!"
00034 #endif // _MSC_VER ]
00035 
00036 #ifndef _MSC_STDINT_H_ // [
00037 #define _MSC_STDINT_H_
00038 
00039 #if _MSC_VER > 1000
00040 #pragma once
00041 #endif
00042 
00043 #include <limits.h>
00044 
00045 // For Visual Studio 6 in C++ mode and for many Visual Studio versions when
00046 // compiling for ARM we should wrap <wchar.h> include with 'extern "C++" {}'
00047 // or compiler give many errors like this:
00048 //   error C2733: second C linkage of overloaded function 'wmemchr' not allowed
00049 #ifdef __cplusplus
00050 extern "C" {
00051 #endif
00052 #  include <wchar.h>
00053 #ifdef __cplusplus
00054 }
00055 #endif
00056 
00057 // Define _W64 macros to mark types changing their size, like intptr_t.
00058 #ifndef _W64
00059 #  if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
00060 #     define _W64 __w64
00061 #  else
00062 #     define _W64
00063 #  endif
00064 #endif
00065 
00066 
00067 // 7.18.1 Integer types
00068 
00069 // 7.18.1.1 Exact-width integer types
00070 
00071 // Visual Studio 6 and Embedded Visual C++ 4 doesn't
00072 // realize that, e.g. char has the same size as __int8
00073 // so we give up on __intX for them.
00074 #if (_MSC_VER < 1300)
00075    typedef signed char       int8_t;
00076    typedef signed short      int16_t;
00077    typedef signed int        int32_t;
00078    typedef unsigned char     uint8_t;
00079    typedef unsigned short    uint16_t;
00080    typedef unsigned int      uint32_t;
00081 #else
00082    typedef signed __int8     int8_t;
00083    typedef signed __int16    int16_t;
00084    typedef signed __int32    int32_t;
00085    typedef unsigned __int8   uint8_t;
00086    typedef unsigned __int16  uint16_t;
00087    typedef unsigned __int32  uint32_t;
00088 #endif
00089 typedef signed __int64       int64_t;
00090 typedef unsigned __int64     uint64_t;
00091 
00092 
00093 // 7.18.1.2 Minimum-width integer types
00094 typedef int8_t    int_least8_t;
00095 typedef int16_t   int_least16_t;
00096 typedef int32_t   int_least32_t;
00097 typedef int64_t   int_least64_t;
00098 typedef uint8_t   uint_least8_t;
00099 typedef uint16_t  uint_least16_t;
00100 typedef uint32_t  uint_least32_t;
00101 typedef uint64_t  uint_least64_t;
00102 
00103 // 7.18.1.3 Fastest minimum-width integer types
00104 typedef int8_t    int_fast8_t;
00105 typedef int32_t   int_fast16_t;
00106 typedef int32_t   int_fast32_t;
00107 typedef int64_t   int_fast64_t;
00108 typedef uint8_t   uint_fast8_t;
00109 typedef uint32_t  uint_fast16_t;
00110 typedef uint32_t  uint_fast32_t;
00111 typedef uint64_t  uint_fast64_t;
00112 
00113 // 7.18.1.4 Integer types capable of holding object pointers
00114 #ifdef _WIN64 // [
00115    typedef signed __int64    intptr_t;
00116    typedef unsigned __int64  uintptr_t;
00117 #else // _WIN64 ][
00118    typedef _W64 signed int   intptr_t;
00119    typedef _W64 unsigned int uintptr_t;
00120 #endif // _WIN64 ]
00121 
00122 // 7.18.1.5 Greatest-width integer types
00123 typedef int64_t   intmax_t;
00124 typedef uint64_t  uintmax_t;
00125 
00126 
00127 // 7.18.2 Limits of specified-width integer types
00128 
00129 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [   See footnote 220 at page 257 and footnote 221 at page 259
00130 
00131 // 7.18.2.1 Limits of exact-width integer types
00132 #define INT8_MIN     ((int8_t)_I8_MIN)
00133 #define INT8_MAX     _I8_MAX
00134 #define INT16_MIN    ((int16_t)_I16_MIN)
00135 #define INT16_MAX    _I16_MAX
00136 #define INT32_MIN    ((int32_t)_I32_MIN)
00137 #define INT32_MAX    _I32_MAX
00138 #define INT64_MIN    ((int64_t)_I64_MIN)
00139 #define INT64_MAX    _I64_MAX
00140 #define UINT8_MAX    _UI8_MAX
00141 #define UINT16_MAX   _UI16_MAX
00142 #define UINT32_MAX   _UI32_MAX
00143 #define UINT64_MAX   _UI64_MAX
00144 
00145 // 7.18.2.2 Limits of minimum-width integer types
00146 #define INT_LEAST8_MIN    INT8_MIN
00147 #define INT_LEAST8_MAX    INT8_MAX
00148 #define INT_LEAST16_MIN   INT16_MIN
00149 #define INT_LEAST16_MAX   INT16_MAX
00150 #define INT_LEAST32_MIN   INT32_MIN
00151 #define INT_LEAST32_MAX   INT32_MAX
00152 #define INT_LEAST64_MIN   INT64_MIN
00153 #define INT_LEAST64_MAX   INT64_MAX
00154 #define UINT_LEAST8_MAX   UINT8_MAX
00155 #define UINT_LEAST16_MAX  UINT16_MAX
00156 #define UINT_LEAST32_MAX  UINT32_MAX
00157 #define UINT_LEAST64_MAX  UINT64_MAX
00158 
00159 // 7.18.2.3 Limits of fastest minimum-width integer types
00160 #define INT_FAST8_MIN    INT8_MIN
00161 #define INT_FAST8_MAX    INT8_MAX
00162 #define INT_FAST16_MIN   INT16_MIN
00163 #define INT_FAST16_MAX   INT16_MAX
00164 #define INT_FAST32_MIN   INT32_MIN
00165 #define INT_FAST32_MAX   INT32_MAX
00166 #define INT_FAST64_MIN   INT64_MIN
00167 #define INT_FAST64_MAX   INT64_MAX
00168 #define UINT_FAST8_MAX   UINT8_MAX
00169 #define UINT_FAST16_MAX  UINT16_MAX
00170 #define UINT_FAST32_MAX  UINT32_MAX
00171 #define UINT_FAST64_MAX  UINT64_MAX
00172 
00173 // 7.18.2.4 Limits of integer types capable of holding object pointers
00174 #ifdef _WIN64 // [
00175 #  define INTPTR_MIN   INT64_MIN
00176 #  define INTPTR_MAX   INT64_MAX
00177 #  define UINTPTR_MAX  UINT64_MAX
00178 #else // _WIN64 ][
00179 #  define INTPTR_MIN   INT32_MIN
00180 #  define INTPTR_MAX   INT32_MAX
00181 #  define UINTPTR_MAX  UINT32_MAX
00182 #endif // _WIN64 ]
00183 
00184 // 7.18.2.5 Limits of greatest-width integer types
00185 #define INTMAX_MIN   INT64_MIN
00186 #define INTMAX_MAX   INT64_MAX
00187 #define UINTMAX_MAX  UINT64_MAX
00188 
00189 // 7.18.3 Limits of other integer types
00190 
00191 #ifdef _WIN64 // [
00192 #  define PTRDIFF_MIN  _I64_MIN
00193 #  define PTRDIFF_MAX  _I64_MAX
00194 #else  // _WIN64 ][
00195 #  define PTRDIFF_MIN  _I32_MIN
00196 #  define PTRDIFF_MAX  _I32_MAX
00197 #endif  // _WIN64 ]
00198 
00199 #define SIG_ATOMIC_MIN  INT_MIN
00200 #define SIG_ATOMIC_MAX  INT_MAX
00201 
00202 #ifndef SIZE_MAX // [
00203 #  ifdef _WIN64 // [
00204 #     define SIZE_MAX  _UI64_MAX
00205 #  else // _WIN64 ][
00206 #     define SIZE_MAX  _UI32_MAX
00207 #  endif // _WIN64 ]
00208 #endif // SIZE_MAX ]
00209 
00210 // WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
00211 #ifndef WCHAR_MIN // [
00212 #  define WCHAR_MIN  0
00213 #endif  // WCHAR_MIN ]
00214 #ifndef WCHAR_MAX // [
00215 #  define WCHAR_MAX  _UI16_MAX
00216 #endif  // WCHAR_MAX ]
00217 
00218 #define WINT_MIN  0
00219 #define WINT_MAX  _UI16_MAX
00220 
00221 #endif // __STDC_LIMIT_MACROS ]
00222 
00223 
00224 // 7.18.4 Limits of other integer types
00225 
00226 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [   See footnote 224 at page 260
00227 
00228 // 7.18.4.1 Macros for minimum-width integer constants
00229 
00230 #define INT8_C(val)  val##i8
00231 #define INT16_C(val) val##i16
00232 #define INT32_C(val) val##i32
00233 #define INT64_C(val) val##i64
00234 
00235 #define UINT8_C(val)  val##ui8
00236 #define UINT16_C(val) val##ui16
00237 #define UINT32_C(val) val##ui32
00238 #define UINT64_C(val) val##ui64
00239 
00240 // 7.18.4.2 Macros for greatest-width integer constants
00241 #define INTMAX_C   INT64_C
00242 #define UINTMAX_C  UINT64_C
00243 
00244 #endif // __STDC_CONSTANT_MACROS ]
00245 
00246 
00247 #endif // _MSC_STDINT_H_ ]