stdint.h 9.2 KB

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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) 2006-2013 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. Neither the name of the product nor the names of its contributors may
  17. // be used to endorse or promote products derived from this software
  18. // without specific prior written permission.
  19. //
  20. // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  21. // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  22. // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
  23. // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24. // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  25. // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  26. // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  27. // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  28. // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  29. // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30. //
  31. ///////////////////////////////////////////////////////////////////////////////
  32. // The above software in this distribution may have been modified by
  33. // THL A29 Limited ("Tencent Modifications").
  34. // All Tencent Modifications are Copyright (C) 2015 THL A29 Limited.
  35. #ifndef _MSC_VER // [
  36. #error "Use this header only with Microsoft Visual C++ compilers!"
  37. #endif // _MSC_VER ]
  38. #ifndef _MSC_STDINT_H_ // [
  39. #define _MSC_STDINT_H_
  40. #if _MSC_VER > 1000
  41. #pragma once
  42. #endif
  43. // miloyip: Originally Visual Studio 2010 uses its own stdint.h. However it generates warning with INT64_C(), so change to use this file for vs2010.
  44. #if _MSC_VER >= 1600 // [
  45. #include <stdint.h>
  46. #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260
  47. #undef INT8_C
  48. #undef INT16_C
  49. #undef INT32_C
  50. #undef INT64_C
  51. #undef UINT8_C
  52. #undef UINT16_C
  53. #undef UINT32_C
  54. #undef UINT64_C
  55. // 7.18.4.1 Macros for minimum-width integer constants
  56. #define INT8_C(val) val##i8
  57. #define INT16_C(val) val##i16
  58. #define INT32_C(val) val##i32
  59. #define INT64_C(val) val##i64
  60. #define UINT8_C(val) val##ui8
  61. #define UINT16_C(val) val##ui16
  62. #define UINT32_C(val) val##ui32
  63. #define UINT64_C(val) val##ui64
  64. // 7.18.4.2 Macros for greatest-width integer constants
  65. // These #ifndef's are needed to prevent collisions with <boost/cstdint.hpp>.
  66. // Check out Issue 9 for the details.
  67. #ifndef INTMAX_C // [
  68. # define INTMAX_C INT64_C
  69. #endif // INTMAX_C ]
  70. #ifndef UINTMAX_C // [
  71. # define UINTMAX_C UINT64_C
  72. #endif // UINTMAX_C ]
  73. #endif // __STDC_CONSTANT_MACROS ]
  74. #else // ] _MSC_VER >= 1700 [
  75. #include <limits.h>
  76. // For Visual Studio 6 in C++ mode and for many Visual Studio versions when
  77. // compiling for ARM we have to wrap <wchar.h> include with 'extern "C++" {}'
  78. // or compiler would give many errors like this:
  79. // error C2733: second C linkage of overloaded function 'wmemchr' not allowed
  80. #if defined(__cplusplus) && !defined(_M_ARM)
  81. extern "C" {
  82. #endif
  83. # include <wchar.h>
  84. #if defined(__cplusplus) && !defined(_M_ARM)
  85. }
  86. #endif
  87. // Define _W64 macros to mark types changing their size, like intptr_t.
  88. #ifndef _W64
  89. # if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
  90. # define _W64 __w64
  91. # else
  92. # define _W64
  93. # endif
  94. #endif
  95. // 7.18.1 Integer types
  96. // 7.18.1.1 Exact-width integer types
  97. // Visual Studio 6 and Embedded Visual C++ 4 doesn't
  98. // realize that, e.g. char has the same size as __int8
  99. // so we give up on __intX for them.
  100. #if (_MSC_VER < 1300)
  101. typedef signed char int8_t;
  102. typedef signed short int16_t;
  103. typedef signed int int32_t;
  104. typedef unsigned char uint8_t;
  105. typedef unsigned short uint16_t;
  106. typedef unsigned int uint32_t;
  107. #else
  108. typedef signed __int8 int8_t;
  109. typedef signed __int16 int16_t;
  110. typedef signed __int32 int32_t;
  111. typedef unsigned __int8 uint8_t;
  112. typedef unsigned __int16 uint16_t;
  113. typedef unsigned __int32 uint32_t;
  114. #endif
  115. typedef signed __int64 int64_t;
  116. typedef unsigned __int64 uint64_t;
  117. // 7.18.1.2 Minimum-width integer types
  118. typedef int8_t int_least8_t;
  119. typedef int16_t int_least16_t;
  120. typedef int32_t int_least32_t;
  121. typedef int64_t int_least64_t;
  122. typedef uint8_t uint_least8_t;
  123. typedef uint16_t uint_least16_t;
  124. typedef uint32_t uint_least32_t;
  125. typedef uint64_t uint_least64_t;
  126. // 7.18.1.3 Fastest minimum-width integer types
  127. typedef int8_t int_fast8_t;
  128. typedef int16_t int_fast16_t;
  129. typedef int32_t int_fast32_t;
  130. typedef int64_t int_fast64_t;
  131. typedef uint8_t uint_fast8_t;
  132. typedef uint16_t uint_fast16_t;
  133. typedef uint32_t uint_fast32_t;
  134. typedef uint64_t uint_fast64_t;
  135. // 7.18.1.4 Integer types capable of holding object pointers
  136. #ifdef _WIN64 // [
  137. typedef signed __int64 intptr_t;
  138. typedef unsigned __int64 uintptr_t;
  139. #else // _WIN64 ][
  140. typedef _W64 signed int intptr_t;
  141. typedef _W64 unsigned int uintptr_t;
  142. #endif // _WIN64 ]
  143. // 7.18.1.5 Greatest-width integer types
  144. typedef int64_t intmax_t;
  145. typedef uint64_t uintmax_t;
  146. // 7.18.2 Limits of specified-width integer types
  147. #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [ See footnote 220 at page 257 and footnote 221 at page 259
  148. // 7.18.2.1 Limits of exact-width integer types
  149. #define INT8_MIN ((int8_t)_I8_MIN)
  150. #define INT8_MAX _I8_MAX
  151. #define INT16_MIN ((int16_t)_I16_MIN)
  152. #define INT16_MAX _I16_MAX
  153. #define INT32_MIN ((int32_t)_I32_MIN)
  154. #define INT32_MAX _I32_MAX
  155. #define INT64_MIN ((int64_t)_I64_MIN)
  156. #define INT64_MAX _I64_MAX
  157. #define UINT8_MAX _UI8_MAX
  158. #define UINT16_MAX _UI16_MAX
  159. #define UINT32_MAX _UI32_MAX
  160. #define UINT64_MAX _UI64_MAX
  161. // 7.18.2.2 Limits of minimum-width integer types
  162. #define INT_LEAST8_MIN INT8_MIN
  163. #define INT_LEAST8_MAX INT8_MAX
  164. #define INT_LEAST16_MIN INT16_MIN
  165. #define INT_LEAST16_MAX INT16_MAX
  166. #define INT_LEAST32_MIN INT32_MIN
  167. #define INT_LEAST32_MAX INT32_MAX
  168. #define INT_LEAST64_MIN INT64_MIN
  169. #define INT_LEAST64_MAX INT64_MAX
  170. #define UINT_LEAST8_MAX UINT8_MAX
  171. #define UINT_LEAST16_MAX UINT16_MAX
  172. #define UINT_LEAST32_MAX UINT32_MAX
  173. #define UINT_LEAST64_MAX UINT64_MAX
  174. // 7.18.2.3 Limits of fastest minimum-width integer types
  175. #define INT_FAST8_MIN INT8_MIN
  176. #define INT_FAST8_MAX INT8_MAX
  177. #define INT_FAST16_MIN INT16_MIN
  178. #define INT_FAST16_MAX INT16_MAX
  179. #define INT_FAST32_MIN INT32_MIN
  180. #define INT_FAST32_MAX INT32_MAX
  181. #define INT_FAST64_MIN INT64_MIN
  182. #define INT_FAST64_MAX INT64_MAX
  183. #define UINT_FAST8_MAX UINT8_MAX
  184. #define UINT_FAST16_MAX UINT16_MAX
  185. #define UINT_FAST32_MAX UINT32_MAX
  186. #define UINT_FAST64_MAX UINT64_MAX
  187. // 7.18.2.4 Limits of integer types capable of holding object pointers
  188. #ifdef _WIN64 // [
  189. # define INTPTR_MIN INT64_MIN
  190. # define INTPTR_MAX INT64_MAX
  191. # define UINTPTR_MAX UINT64_MAX
  192. #else // _WIN64 ][
  193. # define INTPTR_MIN INT32_MIN
  194. # define INTPTR_MAX INT32_MAX
  195. # define UINTPTR_MAX UINT32_MAX
  196. #endif // _WIN64 ]
  197. // 7.18.2.5 Limits of greatest-width integer types
  198. #define INTMAX_MIN INT64_MIN
  199. #define INTMAX_MAX INT64_MAX
  200. #define UINTMAX_MAX UINT64_MAX
  201. // 7.18.3 Limits of other integer types
  202. #ifdef _WIN64 // [
  203. # define PTRDIFF_MIN _I64_MIN
  204. # define PTRDIFF_MAX _I64_MAX
  205. #else // _WIN64 ][
  206. # define PTRDIFF_MIN _I32_MIN
  207. # define PTRDIFF_MAX _I32_MAX
  208. #endif // _WIN64 ]
  209. #define SIG_ATOMIC_MIN INT_MIN
  210. #define SIG_ATOMIC_MAX INT_MAX
  211. #ifndef SIZE_MAX // [
  212. # ifdef _WIN64 // [
  213. # define SIZE_MAX _UI64_MAX
  214. # else // _WIN64 ][
  215. # define SIZE_MAX _UI32_MAX
  216. # endif // _WIN64 ]
  217. #endif // SIZE_MAX ]
  218. // WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
  219. #ifndef WCHAR_MIN // [
  220. # define WCHAR_MIN 0
  221. #endif // WCHAR_MIN ]
  222. #ifndef WCHAR_MAX // [
  223. # define WCHAR_MAX _UI16_MAX
  224. #endif // WCHAR_MAX ]
  225. #define WINT_MIN 0
  226. #define WINT_MAX _UI16_MAX
  227. #endif // __STDC_LIMIT_MACROS ]
  228. // 7.18.4 Limits of other integer types
  229. #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260
  230. // 7.18.4.1 Macros for minimum-width integer constants
  231. #define INT8_C(val) val##i8
  232. #define INT16_C(val) val##i16
  233. #define INT32_C(val) val##i32
  234. #define INT64_C(val) val##i64
  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. // 7.18.4.2 Macros for greatest-width integer constants
  240. // These #ifndef's are needed to prevent collisions with <boost/cstdint.hpp>.
  241. // Check out Issue 9 for the details.
  242. #ifndef INTMAX_C // [
  243. # define INTMAX_C INT64_C
  244. #endif // INTMAX_C ]
  245. #ifndef UINTMAX_C // [
  246. # define UINTMAX_C UINT64_C
  247. #endif // UINTMAX_C ]
  248. #endif // __STDC_CONSTANT_MACROS ]
  249. #endif // _MSC_VER >= 1600 ]
  250. #endif // _MSC_STDINT_H_ ]