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
50 extern "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
89 typedef signed __int64       int64_t;
90 typedef unsigned __int64     uint64_t;
91 
92 
93 // 7.18.1.2 Minimum-width integer types
94 typedef int8_t    int_least8_t;
95 typedef int16_t   int_least16_t;
96 typedef int32_t   int_least32_t;
97 typedef int64_t   int_least64_t;
98 typedef uint8_t   uint_least8_t;
99 typedef uint16_t  uint_least16_t;
100 typedef uint32_t  uint_least32_t;
101 typedef uint64_t  uint_least64_t;
102 
103 // 7.18.1.3 Fastest minimum-width integer types
104 typedef int8_t    int_fast8_t;
105 typedef int16_t   int_fast16_t;
106 typedef int32_t   int_fast32_t;
107 typedef int64_t   int_fast64_t;
108 typedef uint8_t   uint_fast8_t;
109 typedef uint16_t  uint_fast16_t;
110 typedef uint32_t  uint_fast32_t;
111 typedef 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
123 typedef int64_t   intmax_t;
124 typedef 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_ ]
248