stdint.h
Go to the documentation of this 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) 2006-2013 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 
33 // The above software in this distribution may have been modified by
34 // THL A29 Limited ("Tencent Modifications").
35 // All Tencent Modifications are Copyright (C) 2015 THL A29 Limited.
36 
37 #ifndef _MSC_VER // [
38 #error "Use this header only with Microsoft Visual C++ compilers!"
39 #endif // _MSC_VER ]
40 
41 #ifndef _MSC_STDINT_H_ // [
42 #define _MSC_STDINT_H_
43 
44 #if _MSC_VER > 1000
45 #pragma once
46 #endif
47 
48 // 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.
49 #if _MSC_VER >= 1600 // [
50 #include <stdint.h>
51 
52 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260
53 
54 #undef INT8_C
55 #undef INT16_C
56 #undef INT32_C
57 #undef INT64_C
58 #undef UINT8_C
59 #undef UINT16_C
60 #undef UINT32_C
61 #undef UINT64_C
62 
63 // 7.18.4.1 Macros for minimum-width integer constants
64 
65 #define INT8_C(val) val##i8
66 #define INT16_C(val) val##i16
67 #define INT32_C(val) val##i32
68 #define INT64_C(val) val##i64
69 
70 #define UINT8_C(val) val##ui8
71 #define UINT16_C(val) val##ui16
72 #define UINT32_C(val) val##ui32
73 #define UINT64_C(val) val##ui64
74 
75 // 7.18.4.2 Macros for greatest-width integer constants
76 // These #ifndef's are needed to prevent collisions with <boost/cstdint.hpp>.
77 // Check out Issue 9 for the details.
78 #ifndef INTMAX_C // [
79 # define INTMAX_C INT64_C
80 #endif // INTMAX_C ]
81 #ifndef UINTMAX_C // [
82 # define UINTMAX_C UINT64_C
83 #endif // UINTMAX_C ]
84 
85 #endif // __STDC_CONSTANT_MACROS ]
86 
87 #else // ] _MSC_VER >= 1700 [
88 
89 #include <limits.h>
90 
91 // For Visual Studio 6 in C++ mode and for many Visual Studio versions when
92 // compiling for ARM we have to wrap <wchar.h> include with 'extern "C++" {}'
93 // or compiler would give many errors like this:
94 // error C2733: second C linkage of overloaded function 'wmemchr' not allowed
95 #if defined(__cplusplus) && !defined(_M_ARM)
96 extern "C" {
97 #endif
98 # include <wchar.h>
99 #if defined(__cplusplus) && !defined(_M_ARM)
100 }
101 #endif
102 
103 // Define _W64 macros to mark types changing their size, like intptr_t.
104 #ifndef _W64
105 # if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
106 # define _W64 __w64
107 # else
108 # define _W64
109 # endif
110 #endif
111 
112 
113 // 7.18.1 Integer types
114 
115 // 7.18.1.1 Exact-width integer types
116 
117 // Visual Studio 6 and Embedded Visual C++ 4 doesn't
118 // realize that, e.g. char has the same size as __int8
119 // so we give up on __intX for them.
120 #if (_MSC_VER < 1300)
121  typedef signed char int8_t;
122  typedef signed short int16_t;
123  typedef signed int int32_t;
124  typedef unsigned char uint8_t;
125  typedef unsigned short uint16_t;
126  typedef unsigned int uint32_t;
127 #else
128  typedef signed __int8 int8_t;
129  typedef signed __int16 int16_t;
130  typedef signed __int32 int32_t;
131  typedef unsigned __int8 uint8_t;
132  typedef unsigned __int16 uint16_t;
133  typedef unsigned __int32 uint32_t;
134 #endif
135 typedef signed __int64 int64_t;
136 typedef unsigned __int64 uint64_t;
137 
138 
139 // 7.18.1.2 Minimum-width integer types
148 
149 // 7.18.1.3 Fastest minimum-width integer types
158 
159 // 7.18.1.4 Integer types capable of holding object pointers
160 #ifdef _WIN64 // [
161  typedef signed __int64 intptr_t;
162  typedef unsigned __int64 uintptr_t;
163 #else // _WIN64 ][
164  typedef _W64 signed int intptr_t;
165  typedef _W64 unsigned int uintptr_t;
166 #endif // _WIN64 ]
167 
168 // 7.18.1.5 Greatest-width integer types
171 
172 
173 // 7.18.2 Limits of specified-width integer types
174 
175 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [ See footnote 220 at page 257 and footnote 221 at page 259
176 
177 // 7.18.2.1 Limits of exact-width integer types
178 #define INT8_MIN ((int8_t)_I8_MIN)
179 #define INT8_MAX _I8_MAX
180 #define INT16_MIN ((int16_t)_I16_MIN)
181 #define INT16_MAX _I16_MAX
182 #define INT32_MIN ((int32_t)_I32_MIN)
183 #define INT32_MAX _I32_MAX
184 #define INT64_MIN ((int64_t)_I64_MIN)
185 #define INT64_MAX _I64_MAX
186 #define UINT8_MAX _UI8_MAX
187 #define UINT16_MAX _UI16_MAX
188 #define UINT32_MAX _UI32_MAX
189 #define UINT64_MAX _UI64_MAX
190 
191 // 7.18.2.2 Limits of minimum-width integer types
192 #define INT_LEAST8_MIN INT8_MIN
193 #define INT_LEAST8_MAX INT8_MAX
194 #define INT_LEAST16_MIN INT16_MIN
195 #define INT_LEAST16_MAX INT16_MAX
196 #define INT_LEAST32_MIN INT32_MIN
197 #define INT_LEAST32_MAX INT32_MAX
198 #define INT_LEAST64_MIN INT64_MIN
199 #define INT_LEAST64_MAX INT64_MAX
200 #define UINT_LEAST8_MAX UINT8_MAX
201 #define UINT_LEAST16_MAX UINT16_MAX
202 #define UINT_LEAST32_MAX UINT32_MAX
203 #define UINT_LEAST64_MAX UINT64_MAX
204 
205 // 7.18.2.3 Limits of fastest minimum-width integer types
206 #define INT_FAST8_MIN INT8_MIN
207 #define INT_FAST8_MAX INT8_MAX
208 #define INT_FAST16_MIN INT16_MIN
209 #define INT_FAST16_MAX INT16_MAX
210 #define INT_FAST32_MIN INT32_MIN
211 #define INT_FAST32_MAX INT32_MAX
212 #define INT_FAST64_MIN INT64_MIN
213 #define INT_FAST64_MAX INT64_MAX
214 #define UINT_FAST8_MAX UINT8_MAX
215 #define UINT_FAST16_MAX UINT16_MAX
216 #define UINT_FAST32_MAX UINT32_MAX
217 #define UINT_FAST64_MAX UINT64_MAX
218 
219 // 7.18.2.4 Limits of integer types capable of holding object pointers
220 #ifdef _WIN64 // [
221 # define INTPTR_MIN INT64_MIN
222 # define INTPTR_MAX INT64_MAX
223 # define UINTPTR_MAX UINT64_MAX
224 #else // _WIN64 ][
225 # define INTPTR_MIN INT32_MIN
226 # define INTPTR_MAX INT32_MAX
227 # define UINTPTR_MAX UINT32_MAX
228 #endif // _WIN64 ]
229 
230 // 7.18.2.5 Limits of greatest-width integer types
231 #define INTMAX_MIN INT64_MIN
232 #define INTMAX_MAX INT64_MAX
233 #define UINTMAX_MAX UINT64_MAX
234 
235 // 7.18.3 Limits of other integer types
236 
237 #ifdef _WIN64 // [
238 # define PTRDIFF_MIN _I64_MIN
239 # define PTRDIFF_MAX _I64_MAX
240 #else // _WIN64 ][
241 # define PTRDIFF_MIN _I32_MIN
242 # define PTRDIFF_MAX _I32_MAX
243 #endif // _WIN64 ]
244 
245 #define SIG_ATOMIC_MIN INT_MIN
246 #define SIG_ATOMIC_MAX INT_MAX
247 
248 #ifndef SIZE_MAX // [
249 # ifdef _WIN64 // [
250 # define SIZE_MAX _UI64_MAX
251 # else // _WIN64 ][
252 # define SIZE_MAX _UI32_MAX
253 # endif // _WIN64 ]
254 #endif // SIZE_MAX ]
255 
256 // WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
257 #ifndef WCHAR_MIN // [
258 # define WCHAR_MIN 0
259 #endif // WCHAR_MIN ]
260 #ifndef WCHAR_MAX // [
261 # define WCHAR_MAX _UI16_MAX
262 #endif // WCHAR_MAX ]
263 
264 #define WINT_MIN 0
265 #define WINT_MAX _UI16_MAX
266 
267 #endif // __STDC_LIMIT_MACROS ]
268 
269 
270 // 7.18.4 Limits of other integer types
271 
272 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260
273 
274 // 7.18.4.1 Macros for minimum-width integer constants
275 
276 #define INT8_C(val) val##i8
277 #define INT16_C(val) val##i16
278 #define INT32_C(val) val##i32
279 #define INT64_C(val) val##i64
280 
281 #define UINT8_C(val) val##ui8
282 #define UINT16_C(val) val##ui16
283 #define UINT32_C(val) val##ui32
284 #define UINT64_C(val) val##ui64
285 
286 // 7.18.4.2 Macros for greatest-width integer constants
287 // These #ifndef's are needed to prevent collisions with <boost/cstdint.hpp>.
288 // Check out Issue 9 for the details.
289 #ifndef INTMAX_C // [
290 # define INTMAX_C INT64_C
291 #endif // INTMAX_C ]
292 #ifndef UINTMAX_C // [
293 # define UINTMAX_C UINT64_C
294 #endif // UINTMAX_C ]
295 
296 #endif // __STDC_CONSTANT_MACROS ]
297 
298 #endif // _MSC_VER >= 1600 ]
299 
300 #endif // _MSC_STDINT_H_ ]
int32_t int_fast32_t
Definition: stdint.h:152
int64_t int_fast64_t
Definition: stdint.h:153
int8_t int_fast8_t
Definition: stdint.h:150
#define _W64
Definition: stdint.h:108
int64_t intmax_t
Definition: stdint.h:169
uint16_t uint_least16_t
Definition: stdint.h:145
int64_t int_least64_t
Definition: stdint.h:143
uint64_t uint_least64_t
Definition: stdint.h:147
int32_t int_least32_t
Definition: stdint.h:142
unsigned short uint16_t
Definition: stdint.h:125
uint8_t uint_least8_t
Definition: stdint.h:144
unsigned char uint8_t
Definition: stdint.h:124
int16_t int_fast16_t
Definition: stdint.h:151
uint16_t uint_fast16_t
Definition: stdint.h:155
unsigned int uint32_t
Definition: stdint.h:126
_W64 unsigned int uintptr_t
Definition: stdint.h:165
signed short int16_t
Definition: stdint.h:122
unsigned __int64 uint64_t
Definition: stdint.h:136
int8_t int_least8_t
Definition: stdint.h:140
signed char int8_t
Definition: stdint.h:121
uint8_t uint_fast8_t
Definition: stdint.h:154
uint64_t uintmax_t
Definition: stdint.h:170
signed __int64 int64_t
Definition: stdint.h:135
uint32_t uint_least32_t
Definition: stdint.h:146
uint64_t uint_fast64_t
Definition: stdint.h:157
signed int int32_t
Definition: stdint.h:123
int16_t int_least16_t
Definition: stdint.h:141
_W64 signed int intptr_t
Definition: stdint.h:164
uint32_t uint_fast32_t
Definition: stdint.h:156