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 wrap <wchar.h> include with 'extern "C++" {}'
46// or compiler give many errors like this:
47//   error C2733: second C linkage of overloaded function 'wmemchr' not allowed
48#if (_MSC_VER < 1300) && defined(__cplusplus)
49   extern "C++" {
50#endif
51#     include <wchar.h>
52#if (_MSC_VER < 1300) && defined(__cplusplus)
53   }
54#endif
55
56// Define _W64 macros to mark types changing their size, like intptr_t.
57#ifndef _W64
58#  if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
59#     define _W64 __w64
60#  else
61#     define _W64
62#  endif
63#endif
64
65
66// 7.18.1 Integer types
67
68// 7.18.1.1 Exact-width integer types
69typedef __int8            int8_t;
70typedef __int16           int16_t;
71typedef __int32           int32_t;
72typedef __int64           int64_t;
73typedef unsigned __int8   uint8_t;
74typedef unsigned __int16  uint16_t;
75typedef unsigned __int32  uint32_t;
76typedef unsigned __int64  uint64_t;
77
78// 7.18.1.2 Minimum-width integer types
79typedef int8_t    int_least8_t;
80typedef int16_t   int_least16_t;
81typedef int32_t   int_least32_t;
82typedef int64_t   int_least64_t;
83typedef uint8_t   uint_least8_t;
84typedef uint16_t  uint_least16_t;
85typedef uint32_t  uint_least32_t;
86typedef uint64_t  uint_least64_t;
87
88// 7.18.1.3 Fastest minimum-width integer types
89typedef int8_t    int_fast8_t;
90typedef int16_t   int_fast16_t;
91typedef int32_t   int_fast32_t;
92typedef int64_t   int_fast64_t;
93typedef uint8_t   uint_fast8_t;
94typedef uint16_t  uint_fast16_t;
95typedef uint32_t  uint_fast32_t;
96typedef uint64_t  uint_fast64_t;
97
98// 7.18.1.4 Integer types capable of holding object pointers
99#ifdef _WIN64 // [
100   typedef __int64           intptr_t;
101   typedef unsigned __int64  uintptr_t;
102#else // _WIN64 ][
103   typedef _W64 int               intptr_t;
104   typedef _W64 unsigned int      uintptr_t;
105#endif // _WIN64 ]
106
107// 7.18.1.5 Greatest-width integer types
108typedef int64_t   intmax_t;
109typedef uint64_t  uintmax_t;
110
111
112// 7.18.2 Limits of specified-width integer types
113
114#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [   See footnote 220 at page 257 and footnote 221 at page 259
115
116// 7.18.2.1 Limits of exact-width integer types
117#define INT8_MIN     ((int8_t)_I8_MIN)
118#define INT8_MAX     _I8_MAX
119#define INT16_MIN    ((int16_t)_I16_MIN)
120#define INT16_MAX    _I16_MAX
121#define INT32_MIN    ((int32_t)_I32_MIN)
122#define INT32_MAX    _I32_MAX
123#define INT64_MIN    ((int64_t)_I64_MIN)
124#define INT64_MAX    _I64_MAX
125#define UINT8_MAX    _UI8_MAX
126#define UINT16_MAX   _UI16_MAX
127#define UINT32_MAX   _UI32_MAX
128#define UINT64_MAX   _UI64_MAX
129
130// 7.18.2.2 Limits of minimum-width integer types
131#define INT_LEAST8_MIN    INT8_MIN
132#define INT_LEAST8_MAX    INT8_MAX
133#define INT_LEAST16_MIN   INT16_MIN
134#define INT_LEAST16_MAX   INT16_MAX
135#define INT_LEAST32_MIN   INT32_MIN
136#define INT_LEAST32_MAX   INT32_MAX
137#define INT_LEAST64_MIN   INT64_MIN
138#define INT_LEAST64_MAX   INT64_MAX
139#define UINT_LEAST8_MAX   UINT8_MAX
140#define UINT_LEAST16_MAX  UINT16_MAX
141#define UINT_LEAST32_MAX  UINT32_MAX
142#define UINT_LEAST64_MAX  UINT64_MAX
143
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
158// 7.18.2.4 Limits of integer types capable of holding object pointers
159#ifdef _WIN64 // [
160#  define INTPTR_MIN   INT64_MIN
161#  define INTPTR_MAX   INT64_MAX
162#  define UINTPTR_MAX  UINT64_MAX
163#else // _WIN64 ][
164#  define INTPTR_MIN   INT32_MIN
165#  define INTPTR_MAX   INT32_MAX
166#  define UINTPTR_MAX  UINT32_MAX
167#endif // _WIN64 ]
168
169// 7.18.2.5 Limits of greatest-width integer types
170#define INTMAX_MIN   INT64_MIN
171#define INTMAX_MAX   INT64_MAX
172#define UINTMAX_MAX  UINT64_MAX
173
174// 7.18.3 Limits of other integer types
175
176#ifdef _WIN64 // [
177#  define PTRDIFF_MIN  _I64_MIN
178#  define PTRDIFF_MAX  _I64_MAX
179#else  // _WIN64 ][
180#  define PTRDIFF_MIN  _I32_MIN
181#  define PTRDIFF_MAX  _I32_MAX
182#endif  // _WIN64 ]
183
184#define SIG_ATOMIC_MIN  INT_MIN
185#define SIG_ATOMIC_MAX  INT_MAX
186
187#ifndef SIZE_MAX // [
188#  ifdef _WIN64 // [
189#     define SIZE_MAX  _UI64_MAX
190#  else // _WIN64 ][
191#     define SIZE_MAX  _UI32_MAX
192#  endif // _WIN64 ]
193#endif // SIZE_MAX ]
194
195// WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
196#ifndef WCHAR_MIN // [
197#  define WCHAR_MIN  0
198#endif  // WCHAR_MIN ]
199#ifndef WCHAR_MAX // [
200#  define WCHAR_MAX  _UI16_MAX
201#endif  // WCHAR_MAX ]
202
203#define WINT_MIN  0
204#define WINT_MAX  _UI16_MAX
205
206#endif // __STDC_LIMIT_MACROS ]
207
208
209// 7.18.4 Limits of other integer types
210
211#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [   See footnote 224 at page 260
212
213// 7.18.4.1 Macros for minimum-width integer constants
214
215#define INT8_C(val)  val##i8
216#define INT16_C(val) val##i16
217#define INT32_C(val) val##i32
218#define INT64_C(val) val##i64
219
220#define UINT8_C(val)  val##ui8
221#define UINT16_C(val) val##ui16
222#define UINT32_C(val) val##ui32
223#define UINT64_C(val) val##ui64
224
225// 7.18.4.2 Macros for greatest-width integer constants
226#define INTMAX_C   INT64_C
227#define UINTMAX_C  UINT64_C
228
229#endif // __STDC_CONSTANT_MACROS ]
230
231
232#endif // _MSC_STDINT_H_ ]
233