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 #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
69 typedef __int8 int8_t;
70 typedef __int16 int16_t;
71 #ifndef int32_t
72 typedef __int32 int32_t;
73 #endif
74 #ifndef int64_t
75 typedef __int64 int64_t;
76 #endif
77 #ifndef uint8_t
78 typedef unsigned __int8 uint8_t;
79 #endif
80 #ifndef u_char
81 typedef unsigned __int8 u_char;
82 #endif
83 typedef unsigned __int16 uint16_t;
84 #ifndef uint32_t
85 typedef unsigned __int32 uint32_t;
86 #endif
87 typedef unsigned __int64 uint64_t;
88
89 // 7.18.1.2 Minimum-width integer types
90 typedef int8_t int_least8_t;
91 typedef int16_t int_least16_t;
92 typedef int32_t int_least32_t;
93 typedef int64_t int_least64_t;
94 typedef uint8_t uint_least8_t;
95 typedef uint16_t uint_least16_t;
96 typedef uint32_t uint_least32_t;
97 typedef uint64_t uint_least64_t;
98
99 // 7.18.1.3 Fastest minimum-width integer types
100 typedef int8_t int_fast8_t;
101 typedef int16_t int_fast16_t;
102 typedef int32_t int_fast32_t;
103 typedef int64_t int_fast64_t;
104 typedef uint8_t uint_fast8_t;
105 typedef uint16_t uint_fast16_t;
106 typedef uint32_t uint_fast32_t;
107 typedef uint32_t u_int32_t;
108 typedef uint64_t uint_fast64_t;
109
110 // 7.18.1.4 Integer types capable of holding object pointers
111 #ifdef _WIN64 // [
112 typedef __int64 intptr_t;
113 typedef unsigned __int64 uintptr_t;
114 #else // _WIN64 ][
115 typedef _W64 int intptr_t;
116 typedef _W64 unsigned int uintptr_t;
117 #endif // _WIN64 ]
118
119 // 7.18.1.5 Greatest-width integer types
120 typedef int64_t intmax_t;
121 typedef uint64_t uintmax_t;
122
123
124 // 7.18.2 Limits of specified-width integer types
125
126 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [ See footnote 220 at page 257 and footnote 221 at page 259
127
128 // 7.18.2.1 Limits of exact-width integer types
129 #define INT8_MIN ((int8_t)_I8_MIN)
130 #define INT8_MAX _I8_MAX
131 #define INT16_MIN ((int16_t)_I16_MIN)
132 #define INT16_MAX _I16_MAX
133 #define INT32_MIN ((int32_t)_I32_MIN)
134 #define INT32_MAX _I32_MAX
135 #define INT64_MIN ((int64_t)_I64_MIN)
136 #define INT64_MAX _I64_MAX
137 #define UINT8_MAX _UI8_MAX
138 #define UINT16_MAX _UI16_MAX
139 #define UINT32_MAX _UI32_MAX
140 #define UINT64_MAX _UI64_MAX
141
142 // 7.18.2.2 Limits of minimum-width integer types
143 #define INT_LEAST8_MIN INT8_MIN
144 #define INT_LEAST8_MAX INT8_MAX
145 #define INT_LEAST16_MIN INT16_MIN
146 #define INT_LEAST16_MAX INT16_MAX
147 #define INT_LEAST32_MIN INT32_MIN
148 #define INT_LEAST32_MAX INT32_MAX
149 #define INT_LEAST64_MIN INT64_MIN
150 #define INT_LEAST64_MAX INT64_MAX
151 #define UINT_LEAST8_MAX UINT8_MAX
152 #define UINT_LEAST16_MAX UINT16_MAX
153 #define UINT_LEAST32_MAX UINT32_MAX
154 #define UINT_LEAST64_MAX UINT64_MAX
155
156 // 7.18.2.3 Limits of fastest minimum-width integer types
157 #define INT_FAST8_MIN INT8_MIN
158 #define INT_FAST8_MAX INT8_MAX
159 #define INT_FAST16_MIN INT16_MIN
160 #define INT_FAST16_MAX INT16_MAX
161 #define INT_FAST32_MIN INT32_MIN
162 #define INT_FAST32_MAX INT32_MAX
163 #define INT_FAST64_MIN INT64_MIN
164 #define INT_FAST64_MAX INT64_MAX
165 #define UINT_FAST8_MAX UINT8_MAX
166 #define UINT_FAST16_MAX UINT16_MAX
167 #define UINT_FAST32_MAX UINT32_MAX
168 #define UINT_FAST64_MAX UINT64_MAX
169
170 // 7.18.2.4 Limits of integer types capable of holding object pointers
171 #ifdef _WIN64 // [
172 # define INTPTR_MIN INT64_MIN
173 # define INTPTR_MAX INT64_MAX
174 # define UINTPTR_MAX UINT64_MAX
175 #else // _WIN64 ][
176 # define INTPTR_MIN INT32_MIN
177 # define INTPTR_MAX INT32_MAX
178 # define UINTPTR_MAX UINT32_MAX
179 #endif // _WIN64 ]
180
181 // 7.18.2.5 Limits of greatest-width integer types
182 #define INTMAX_MIN INT64_MIN
183 #define INTMAX_MAX INT64_MAX
184 #define UINTMAX_MAX UINT64_MAX
185
186 // 7.18.3 Limits of other integer types
187
188 #ifdef _WIN64 // [
189 # define PTRDIFF_MIN _I64_MIN
190 # define PTRDIFF_MAX _I64_MAX
191 #else // _WIN64 ][
192 # define PTRDIFF_MIN _I32_MIN
193 # define PTRDIFF_MAX _I32_MAX
194 #endif // _WIN64 ]
195
196 #define SIG_ATOMIC_MIN INT_MIN
197 #define SIG_ATOMIC_MAX INT_MAX
198
199 #ifndef SIZE_MAX // [
200 # ifdef _WIN64 // [
201 # define SIZE_MAX _UI64_MAX
202 # else // _WIN64 ][
203 # define SIZE_MAX _UI32_MAX
204 # endif // _WIN64 ]
205 #endif // SIZE_MAX ]
206
207 // WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
208 #ifndef WCHAR_MIN // [
209 # define WCHAR_MIN 0
210 #endif // WCHAR_MIN ]
211 #ifndef WCHAR_MAX // [
212 # define WCHAR_MAX _UI16_MAX
213 #endif // WCHAR_MAX ]
214
215 #define WINT_MIN 0
216 #define WINT_MAX _UI16_MAX
217
218 #endif // __STDC_LIMIT_MACROS ]
219
220
221 // 7.18.4 Limits of other integer types
222
223 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260
224
225 // 7.18.4.1 Macros for minimum-width integer constants
226
227 #define INT8_C(val) val##i8
228 #define INT16_C(val) val##i16
229 #define INT32_C(val) val##i32
230 #define INT64_C(val) val##i64
231
232 #define UINT8_C(val) val##ui8
233 #define UINT16_C(val) val##ui16
234 #define UINT32_C(val) val##ui32
235 #define UINT64_C(val) val##ui64
236
237 // 7.18.4.2 Macros for greatest-width integer constants
238 #define INTMAX_C INT64_C
239 #define UINTMAX_C UINT64_C
240
241 #if _MSC_VER < 1600
llabs(int64_t i)242 static __inline int64_t llabs(int64_t i)
243 {
244 return i >= 0 ? i: -i;
245 }
246 #endif
247
248 #endif // __STDC_CONSTANT_MACROS ]
249
250
251 #endif // _MSC_STDINT_H_ ]
252
