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  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_ ]
  248.