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) 2006-2009 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 #ifndef _STDINT
40 # define _STDINT
41 #endif
42
43 #if _MSC_VER > 1000
44 #pragma once
45 #endif
46
47 #include <limits.h>
48
49 // For Visual Studio 6 in C++ mode wrap <wchar.h> include with 'extern "C++" {}'
50 // or compiler give many errors like this:
51 // error C2733: second C linkage of overloaded function 'wmemchr' not allowed
52 #if (_MSC_VER < 1300) && defined(__cplusplus)
53 extern "C++" {
54 #endif
55 # include <wchar.h>
56 #if (_MSC_VER < 1300) && defined(__cplusplus)
57 }
58 #endif
59
60 // Define _W64 macros to mark types changing their size, like intptr_t.
61 #ifndef _W64
62 # if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
63 # define _W64 __w64
64 # else
65 # define _W64
66 # endif
67 #endif
68
69
70 // 7.18.1 Integer types
71
72 // 7.18.1.1 Exact-width integer types
73 #ifndef int8_t
74 typedef __int8 int8_t;
75 #endif
76 #ifndef int16_t
77 typedef __int16 int16_t;
78 #endif
79 #ifndef int32_t
80 typedef __int32 int32_t;
81 #endif
82 #ifndef int64_t
83 typedef __int64 int64_t;
84 #endif
85 #ifndef uint8_t
86 typedef unsigned __int8 uint8_t;
87 #endif
88 #ifndef u_char
89 typedef unsigned __int8 u_char;
90 #endif
91 typedef unsigned __int16 uint16_t;
92 #ifndef uint32_t
93 typedef unsigned __int32 uint32_t;
94 #endif
95 typedef unsigned __int64 uint64_t;
96
97 // 7.18.1.2 Minimum-width integer types
98 typedef int8_t int_least8_t;
99 typedef int16_t int_least16_t;
100 typedef int32_t int_least32_t;
101 typedef int64_t int_least64_t;
102 typedef uint8_t uint_least8_t;
103 typedef uint16_t uint_least16_t;
104 typedef uint32_t uint_least32_t;
105 typedef uint64_t uint_least64_t;
106
107 // 7.18.1.3 Fastest minimum-width integer types
108 typedef int8_t int_fast8_t;
109 typedef int16_t int_fast16_t;
110 typedef int32_t int_fast32_t;
111 typedef int64_t int_fast64_t;
112 typedef uint8_t uint_fast8_t;
113 typedef uint16_t uint_fast16_t;
114 typedef uint32_t uint_fast32_t;
115 typedef uint32_t u_int32_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 __int64 intptr_t;
121 typedef unsigned __int64 uintptr_t;
122 #else // _WIN64 ][
123 typedef _W64 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 #define INTMAX_C INT64_C
247 #define UINTMAX_C UINT64_C
248
249 #if _MSC_VER < 1600
llabs(int64_t i)250 static __inline int64_t llabs(int64_t i)
251 {
252 return i >= 0 ? i: -i;
253 }
254 #endif
255
256 #endif // __STDC_CONSTANT_MACROS ]
257
258
259 #endif // _MSC_STDINT_H_ ]
260