stdint.h 7.9 KB

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  1. /* SPDX-License-Identifier: LGPL-2.1 OR BSD-3-Clause */
  2. // ISO C9x compliant stdint.h for Microsoft Visual Studio
  3. // Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124
  4. //
  5. // Copyright (c) 2006-2008 Alexander Chemeris
  6. //
  7. // Redistribution and use in source and binary forms, with or without
  8. // modification, are permitted provided that the following conditions are met:
  9. //
  10. // 1. Redistributions of source code must retain the above copyright notice,
  11. // this list of conditions and the following disclaimer.
  12. //
  13. // 2. Redistributions in binary form must reproduce the above copyright
  14. // notice, this list of conditions and the following disclaimer in the
  15. // documentation and/or other materials provided with the distribution.
  16. //
  17. // 3. The name of the author may be used to endorse or promote products
  18. // derived from this software 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. #ifdef PLATFORM_WIN32
  33. #ifndef _MSC_VER // [
  34. #error "Use this header only with Microsoft Visual C++ compilers!"
  35. #endif // _MSC_VER ]
  36. #ifndef _MSC_STDINT_H_ // [
  37. #define _MSC_STDINT_H_
  38. #if _MSC_VER > 1000
  39. #pragma once
  40. #endif
  41. #include <limits.h>
  42. // For Visual Studio 6 in C++ mode and for many Visual Studio versions when
  43. // compiling for ARM we should wrap <wchar.h> include with 'extern "C++" {}'
  44. // or compiler give many errors like this:
  45. // error C2733: second C linkage of overloaded function 'wmemchr' not allowed
  46. #ifdef __cplusplus
  47. extern "C" {
  48. #endif
  49. # include <wchar.h>
  50. #ifdef __cplusplus
  51. }
  52. #endif
  53. // Define _W64 macros to mark types changing their size, like intptr_t.
  54. #ifndef _W64
  55. # if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
  56. # define _W64 __w64
  57. # else
  58. # define _W64
  59. # endif
  60. #endif
  61. // 7.18.1 Integer types
  62. // 7.18.1.1 Exact-width integer types
  63. // Visual Studio 6 and Embedded Visual C++ 4 doesn't
  64. // realize that, e.g. char has the same size as __int8
  65. // so we give up on __intX for them.
  66. #if (_MSC_VER < 1300)
  67. typedef signed char int8_t;
  68. typedef signed short int16_t;
  69. typedef signed int int32_t;
  70. typedef unsigned char uint8_t;
  71. typedef unsigned short uint16_t;
  72. typedef unsigned int uint32_t;
  73. #else
  74. typedef signed __int8 int8_t;
  75. typedef signed __int16 int16_t;
  76. typedef signed __int32 int32_t;
  77. typedef unsigned __int8 uint8_t;
  78. typedef unsigned __int16 uint16_t;
  79. typedef unsigned __int32 uint32_t;
  80. #endif
  81. typedef signed __int64 int64_t;
  82. typedef unsigned __int64 uint64_t;
  83. // 7.18.1.2 Minimum-width integer types
  84. #ifndef __int_least8_t_defined
  85. #define __int_least8_t_defined
  86. typedef int8_t int_least8_t;
  87. typedef int16_t int_least16_t;
  88. typedef int32_t int_least32_t;
  89. typedef int64_t int_least64_t;
  90. #endif
  91. #ifndef __uint_least8_t_defined
  92. #define __uint_least8_t_defined
  93. typedef uint8_t uint_least8_t;
  94. typedef uint16_t uint_least16_t;
  95. typedef uint32_t uint_least32_t;
  96. typedef uint64_t uint_least64_t;
  97. #endif
  98. // 7.18.1.3 Fastest minimum-width integer types
  99. #ifndef __int_fast8_t_defined
  100. #define __int_fast8_t_defined
  101. typedef int8_t int_fast8_t;
  102. typedef int16_t int_fast16_t;
  103. typedef int32_t int_fast32_t;
  104. typedef int64_t int_fast64_t;
  105. #endif
  106. #ifndef __uint_fast8_t_defined
  107. #define __uint_fast8_t_defined
  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. #endif
  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. // 7.18.1.5 Greatest-width integer types
  122. typedef int64_t intmax_t;
  123. typedef uint64_t uintmax_t;
  124. // 7.18.2 Limits of specified-width integer types
  125. #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [ See footnote 220 at page 257 and footnote 221 at page 259
  126. // 7.18.2.1 Limits of exact-width integer types
  127. #define INT8_MIN ((int8_t)_I8_MIN)
  128. #define INT8_MAX _I8_MAX
  129. #define INT16_MIN ((int16_t)_I16_MIN)
  130. #define INT16_MAX _I16_MAX
  131. #define INT32_MIN ((int32_t)_I32_MIN)
  132. #define INT32_MAX _I32_MAX
  133. #define INT64_MIN ((int64_t)_I64_MIN)
  134. #define INT64_MAX _I64_MAX
  135. #define UINT8_MAX _UI8_MAX
  136. #define UINT16_MAX _UI16_MAX
  137. #define UINT32_MAX _UI32_MAX
  138. #define UINT64_MAX _UI64_MAX
  139. // 7.18.2.2 Limits of minimum-width integer types
  140. #define INT_LEAST8_MIN INT8_MIN
  141. #define INT_LEAST8_MAX INT8_MAX
  142. #define INT_LEAST16_MIN INT16_MIN
  143. #define INT_LEAST16_MAX INT16_MAX
  144. #define INT_LEAST32_MIN INT32_MIN
  145. #define INT_LEAST32_MAX INT32_MAX
  146. #define INT_LEAST64_MIN INT64_MIN
  147. #define INT_LEAST64_MAX INT64_MAX
  148. #define UINT_LEAST8_MAX UINT8_MAX
  149. #define UINT_LEAST16_MAX UINT16_MAX
  150. #define UINT_LEAST32_MAX UINT32_MAX
  151. #define UINT_LEAST64_MAX UINT64_MAX
  152. // 7.18.2.3 Limits of fastest minimum-width integer types
  153. #define INT_FAST8_MIN INT8_MIN
  154. #define INT_FAST8_MAX INT8_MAX
  155. #define INT_FAST16_MIN INT16_MIN
  156. #define INT_FAST16_MAX INT16_MAX
  157. #define INT_FAST32_MIN INT32_MIN
  158. #define INT_FAST32_MAX INT32_MAX
  159. #define INT_FAST64_MIN INT64_MIN
  160. #define INT_FAST64_MAX INT64_MAX
  161. #define UINT_FAST8_MAX UINT8_MAX
  162. #define UINT_FAST16_MAX UINT16_MAX
  163. #define UINT_FAST32_MAX UINT32_MAX
  164. #define UINT_FAST64_MAX UINT64_MAX
  165. // 7.18.2.4 Limits of integer types capable of holding object pointers
  166. #ifdef _WIN64 // [
  167. # define INTPTR_MIN INT64_MIN
  168. # define INTPTR_MAX INT64_MAX
  169. # define UINTPTR_MAX UINT64_MAX
  170. #else // _WIN64 ][
  171. # define INTPTR_MIN INT32_MIN
  172. # define INTPTR_MAX INT32_MAX
  173. # define UINTPTR_MAX UINT32_MAX
  174. #endif // _WIN64 ]
  175. // 7.18.2.5 Limits of greatest-width integer types
  176. #define INTMAX_MIN INT64_MIN
  177. #define INTMAX_MAX INT64_MAX
  178. #define UINTMAX_MAX UINT64_MAX
  179. // 7.18.3 Limits of other integer types
  180. #ifdef _WIN64 // [
  181. # define PTRDIFF_MIN _I64_MIN
  182. # define PTRDIFF_MAX _I64_MAX
  183. #else // _WIN64 ][
  184. # define PTRDIFF_MIN _I32_MIN
  185. # define PTRDIFF_MAX _I32_MAX
  186. #endif // _WIN64 ]
  187. #define SIG_ATOMIC_MIN INT_MIN
  188. #define SIG_ATOMIC_MAX INT_MAX
  189. #ifndef SIZE_MAX // [
  190. # ifdef _WIN64 // [
  191. # define SIZE_MAX _UI64_MAX
  192. # else // _WIN64 ][
  193. # define SIZE_MAX _UI32_MAX
  194. # endif // _WIN64 ]
  195. #endif // SIZE_MAX ]
  196. // WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
  197. #ifndef WCHAR_MIN // [
  198. # define WCHAR_MIN 0
  199. #endif // WCHAR_MIN ]
  200. #ifndef WCHAR_MAX // [
  201. # define WCHAR_MAX _UI16_MAX
  202. #endif // WCHAR_MAX ]
  203. #define WINT_MIN 0
  204. #define WINT_MAX _UI16_MAX
  205. #endif // __STDC_LIMIT_MACROS ]
  206. // 7.18.4 Limits of other integer types
  207. #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260
  208. // 7.18.4.1 Macros for minimum-width integer constants
  209. #define INT8_C(val) val##i8
  210. #define INT16_C(val) val##i16
  211. #define INT32_C(val) val##i32
  212. #define INT64_C(val) val##i64
  213. #define UINT8_C(val) val##ui8
  214. #define UINT16_C(val) val##ui16
  215. #define UINT32_C(val) val##ui32
  216. #define UINT64_C(val) val##ui64
  217. // 7.18.4.2 Macros for greatest-width integer constants
  218. #define INTMAX_C INT64_C
  219. #define UINTMAX_C UINT64_C
  220. #endif // __STDC_CONSTANT_MACROS ]
  221. #endif // _MSC_STDINT_H_ ]
  222. #endif // PLATFORM_WIN32