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