stdint.h 7.6 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) 2006-2008 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. #ifndef __RARCH_STDINT_H
  31. #define __RARCH_STDINT_H
  32. #if _MSC_VER && (_MSC_VER < 1600)
  33. /* Pre-MSVC 2010 needs an implementation of stdint.h. */
  34. #if _MSC_VER > 1000
  35. #pragma once
  36. #endif
  37. #include <limits.h>
  38. /* For Visual Studio 6 in C++ mode and for many Visual Studio versions when
  39. * compiling for ARM we should wrap <wchar.h> include with 'extern "C++" {}'
  40. * or compiler give many errors like this:
  41. *
  42. * error C2733: second C linkage of overloaded function 'wmemchr' not allowed
  43. */
  44. #ifdef __cplusplus
  45. #if _MSC_VER <= 1200
  46. extern "C++" {
  47. #else
  48. extern "C" {
  49. #endif
  50. #endif
  51. # include <wchar.h>
  52. #ifdef __cplusplus
  53. }
  54. #endif
  55. /* Define _W64 macros to mark types changing their size, like intptr_t. */
  56. #ifndef _W64
  57. # if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
  58. # define _W64 __w64
  59. # else
  60. # define _W64
  61. # endif
  62. #endif
  63. /* 7.18.1 Integer types. */
  64. /* 7.18.1.1 Exact-width integer types. */
  65. /* Visual Studio 6 and Embedded Visual C++ 4 doesn't
  66. * realize that, e.g. char has the same size as __int8
  67. * so we give up on __intX for them.
  68. */
  69. #if (_MSC_VER < 1300)
  70. typedef signed char int8_t;
  71. typedef signed short int16_t;
  72. typedef signed int int32_t;
  73. typedef unsigned char uint8_t;
  74. typedef unsigned short uint16_t;
  75. typedef unsigned int uint32_t;
  76. #else
  77. typedef signed __int8 int8_t;
  78. typedef signed __int16 int16_t;
  79. typedef signed __int32 int32_t;
  80. typedef unsigned __int8 uint8_t;
  81. typedef unsigned __int16 uint16_t;
  82. typedef unsigned __int32 uint32_t;
  83. #endif
  84. typedef signed __int64 int64_t;
  85. typedef unsigned __int64 uint64_t;
  86. /* 7.18.1.2 Minimum-width integer types. */
  87. typedef int8_t int_least8_t;
  88. typedef int16_t int_least16_t;
  89. typedef int32_t int_least32_t;
  90. typedef int64_t int_least64_t;
  91. typedef uint8_t uint_least8_t;
  92. typedef uint16_t uint_least16_t;
  93. typedef uint32_t uint_least32_t;
  94. typedef uint64_t uint_least64_t;
  95. /* 7.18.1.3 Fastest minimum-width integer types. */
  96. typedef int8_t int_fast8_t;
  97. typedef int16_t int_fast16_t;
  98. typedef int32_t int_fast32_t;
  99. typedef int64_t int_fast64_t;
  100. typedef uint8_t uint_fast8_t;
  101. typedef uint16_t uint_fast16_t;
  102. typedef uint32_t uint_fast32_t;
  103. typedef uint64_t uint_fast64_t;
  104. /* 7.18.1.4 Integer types capable of holding object pointers. */
  105. #ifdef _WIN64 /* [ */
  106. typedef signed __int64 intptr_t;
  107. typedef unsigned __int64 uintptr_t;
  108. #else /* _WIN64 ][ */
  109. typedef _W64 signed int intptr_t;
  110. typedef _W64 unsigned int uintptr_t;
  111. #endif /* _WIN64 ] */
  112. /* 7.18.1.5 Greatest-width integer types. */
  113. typedef int64_t intmax_t;
  114. typedef uint64_t uintmax_t;
  115. /* 7.18.2 Limits of specified-width integer types. */
  116. #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
  117. /* [ See footnote 220 at page 257 and footnote 221 at page 259. */
  118. /* 7.18.2.1 Limits of exact-width integer types. */
  119. #define INT8_MIN ((int8_t)_I8_MIN)
  120. #define INT8_MAX _I8_MAX
  121. #define INT16_MIN ((int16_t)_I16_MIN)
  122. #define INT16_MAX _I16_MAX
  123. #define INT32_MIN ((int32_t)_I32_MIN)
  124. #define INT32_MAX _I32_MAX
  125. #define INT64_MIN ((int64_t)_I64_MIN)
  126. #define INT64_MAX _I64_MAX
  127. #define UINT8_MAX _UI8_MAX
  128. #define UINT16_MAX _UI16_MAX
  129. #define UINT32_MAX _UI32_MAX
  130. #define UINT64_MAX _UI64_MAX
  131. /* 7.18.2.2 Limits of minimum-width integer types. */
  132. #define INT_LEAST8_MIN INT8_MIN
  133. #define INT_LEAST8_MAX INT8_MAX
  134. #define INT_LEAST16_MIN INT16_MIN
  135. #define INT_LEAST16_MAX INT16_MAX
  136. #define INT_LEAST32_MIN INT32_MIN
  137. #define INT_LEAST32_MAX INT32_MAX
  138. #define INT_LEAST64_MIN INT64_MIN
  139. #define INT_LEAST64_MAX INT64_MAX
  140. #define UINT_LEAST8_MAX UINT8_MAX
  141. #define UINT_LEAST16_MAX UINT16_MAX
  142. #define UINT_LEAST32_MAX UINT32_MAX
  143. #define UINT_LEAST64_MAX UINT64_MAX
  144. /* 7.18.2.3 Limits of fastest minimum-width integer types. */
  145. #define INT_FAST8_MIN INT8_MIN
  146. #define INT_FAST8_MAX INT8_MAX
  147. #define INT_FAST16_MIN INT16_MIN
  148. #define INT_FAST16_MAX INT16_MAX
  149. #define INT_FAST32_MIN INT32_MIN
  150. #define INT_FAST32_MAX INT32_MAX
  151. #define INT_FAST64_MIN INT64_MIN
  152. #define INT_FAST64_MAX INT64_MAX
  153. #define UINT_FAST8_MAX UINT8_MAX
  154. #define UINT_FAST16_MAX UINT16_MAX
  155. #define UINT_FAST32_MAX UINT32_MAX
  156. #define UINT_FAST64_MAX UINT64_MAX
  157. /* 7.18.2.4 Limits of integer types capable of holding object pointers. */
  158. #ifdef _WIN64 /* [ */
  159. # define INTPTR_MIN INT64_MIN
  160. # define INTPTR_MAX INT64_MAX
  161. # define UINTPTR_MAX UINT64_MAX
  162. #else /* _WIN64 ][ */
  163. # define INTPTR_MIN INT32_MIN
  164. # define INTPTR_MAX INT32_MAX
  165. # define UINTPTR_MAX UINT32_MAX
  166. #endif /* _WIN64 ] */
  167. /* 7.18.2.5 Limits of greatest-width integer types */
  168. #define INTMAX_MIN INT64_MIN
  169. #define INTMAX_MAX INT64_MAX
  170. #define UINTMAX_MAX UINT64_MAX
  171. /* 7.18.3 Limits of other integer types */
  172. #ifdef _WIN64 /* [ */
  173. # define PTRDIFF_MIN _I64_MIN
  174. # define PTRDIFF_MAX _I64_MAX
  175. #else /* _WIN64 ][ */
  176. # define PTRDIFF_MIN _I32_MIN
  177. # define PTRDIFF_MAX _I32_MAX
  178. #endif /* _WIN64 ] */
  179. #define SIG_ATOMIC_MIN INT_MIN
  180. #define SIG_ATOMIC_MAX INT_MAX
  181. #ifndef SIZE_MAX /* [ */
  182. # ifdef _WIN64 /* [ */
  183. # define SIZE_MAX _UI64_MAX
  184. # else /* _WIN64 ][ */
  185. # define SIZE_MAX _UI32_MAX
  186. # endif /* _WIN64 ] */
  187. #endif /* SIZE_MAX ] */
  188. /* WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h> */
  189. #ifndef WCHAR_MIN /* [ */
  190. # define WCHAR_MIN 0
  191. #endif /* WCHAR_MIN ] */
  192. #ifndef WCHAR_MAX // [
  193. # define WCHAR_MAX _UI16_MAX
  194. #endif /* WCHAR_MAX ] */
  195. #define WINT_MIN 0
  196. #define WINT_MAX _UI16_MAX
  197. #endif /* __STDC_LIMIT_MACROS ] */
  198. /* 7.18.4 Limits of other integer types */
  199. #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
  200. /* [ See footnote 224 at page 260 */
  201. /* 7.18.4.1 Macros for minimum-width integer constants */
  202. #define INT8_C(val) val##i8
  203. #define INT16_C(val) val##i16
  204. #define INT32_C(val) val##i32
  205. #define INT64_C(val) val##i64
  206. #define UINT8_C(val) val##ui8
  207. #define UINT16_C(val) val##ui16
  208. #define UINT32_C(val) val##ui32
  209. #define UINT64_C(val) val##ui64
  210. /* 7.18.4.2 Macros for greatest-width integer constants */
  211. #define INTMAX_C INT64_C
  212. #define UINTMAX_C UINT64_C
  213. #endif
  214. /* __STDC_CONSTANT_MACROS ] */
  215. #else
  216. /* Sanity for everything else. */
  217. #include <stdint.h>
  218. #endif
  219. #endif