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/src/rt/msvc/stdint.h

http://github.com/jruderman/rust
C Header | 247 lines | 152 code | 40 blank | 55 comment | 7 complexity | 42e5594ccee5f8f073e7931141d6e07e MD5 | raw file
  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
 50extern "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
 89typedef signed __int64       int64_t;
 90typedef unsigned __int64     uint64_t;
 91
 92
 93// 7.18.1.2 Minimum-width integer types
 94typedef int8_t    int_least8_t;
 95typedef int16_t   int_least16_t;
 96typedef int32_t   int_least32_t;
 97typedef int64_t   int_least64_t;
 98typedef uint8_t   uint_least8_t;
 99typedef uint16_t  uint_least16_t;
100typedef uint32_t  uint_least32_t;
101typedef uint64_t  uint_least64_t;
102
103// 7.18.1.3 Fastest minimum-width integer types
104typedef int8_t    int_fast8_t;
105typedef int16_t   int_fast16_t;
106typedef int32_t   int_fast32_t;
107typedef int64_t   int_fast64_t;
108typedef uint8_t   uint_fast8_t;
109typedef uint16_t  uint_fast16_t;
110typedef uint32_t  uint_fast32_t;
111typedef 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
123typedef int64_t   intmax_t;
124typedef 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_ ]