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 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_STDINT_H_ // [
33 #define _MSC_STDINT_H_
34 
35 #include <limits.h>
36 
37 // For Visual Studio 6 in C++ mode wrap <wchar.h> include with 'extern "C++" {}'
38 // or compiler give many errors like this:
39 //   error C2733: second C linkage of overloaded function 'wmemchr' not allowed
40 #if (_MSC_VER < 1300) && defined(__cplusplus)
41    extern "C++" {
42 #endif
43 #     include <wchar.h>
44 #if (_MSC_VER < 1300) && defined(__cplusplus)
45    }
46 #endif
47 
48 #if defined __GNUC__ || _MSC_VER >= 1600
49 #include "stdint.h"
50 #else
51 
52 // 7.18.1 Integer types
53 
54 // 7.18.1.1 Exact-width integer types
55 typedef __int8            int8_t;
56 typedef __int16           int16_t;
57 typedef __int32           int32_t;
58 typedef __int64           int64_t;
59 typedef unsigned __int8   uint8_t;
60 typedef unsigned __int16  uint16_t;
61 typedef unsigned __int32  uint32_t;
62 typedef unsigned __int64  uint64_t;
63 
64 // 7.18.1.2 Minimum-width integer types
65 typedef int8_t    int_least8_t;
66 typedef int16_t   int_least16_t;
67 typedef int32_t   int_least32_t;
68 typedef int64_t   int_least64_t;
69 typedef uint8_t   uint_least8_t;
70 typedef uint16_t  uint_least16_t;
71 typedef uint32_t  uint_least32_t;
72 typedef uint64_t  uint_least64_t;
73 
74 // 7.18.1.3 Fastest minimum-width integer types
75 typedef int8_t    int_fast8_t;
76 typedef int16_t   int_fast16_t;
77 typedef int32_t   int_fast32_t;
78 typedef int64_t   int_fast64_t;
79 typedef uint8_t   uint_fast8_t;
80 typedef uint16_t  uint_fast16_t;
81 typedef uint32_t  uint_fast32_t;
82 typedef uint64_t  uint_fast64_t;
83 
84 // 7.18.1.4 Integer types capable of holding object pointers
85 #ifdef _WIN64 // [
86    typedef __int64           intptr_t;
87    typedef unsigned __int64  uintptr_t;
88 #else // _WIN64 ][
89    typedef int               intptr_t;
90    typedef unsigned int      uintptr_t;
91 #endif // _WIN64 ]
92 
93 // 7.18.1.5 Greatest-width integer types
94 typedef int64_t   intmax_t;
95 typedef uint64_t  uintmax_t;
96 
97 
98 // 7.18.2 Limits of specified-width integer types
99 
100 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [   See footnote 220 at page 257 and footnote 221 at page 259
101 
102 // 7.18.2.1 Limits of exact-width integer types
103 #define INT8_MIN     _I8_MIN
104 #define INT8_MAX     _I8_MAX
105 #define INT16_MIN    _I16_MIN
106 #define INT16_MAX    _I16_MAX
107 #define INT32_MIN    _I32_MIN
108 #define INT32_MAX    _I32_MAX
109 #define INT64_MIN    _I64_MIN
110 #define INT64_MAX    _I64_MAX
111 #define UINT8_MAX    _UI8_MAX
112 #define UINT16_MAX   _UI16_MAX
113 #define UINT32_MAX   _UI32_MAX
114 #define UINT64_MAX   _UI64_MAX
115 
116 // 7.18.2.2 Limits of minimum-width integer types
117 #define INT_LEAST8_MIN    INT8_MIN
118 #define INT_LEAST8_MAX    INT8_MAX
119 #define INT_LEAST16_MIN   INT16_MIN
120 #define INT_LEAST16_MAX   INT16_MAX
121 #define INT_LEAST32_MIN   INT32_MIN
122 #define INT_LEAST32_MAX   INT32_MAX
123 #define INT_LEAST64_MIN   INT64_MIN
124 #define INT_LEAST64_MAX   INT64_MAX
125 #define UINT_LEAST8_MAX   UINT8_MAX
126 #define UINT_LEAST16_MAX  UINT16_MAX
127 #define UINT_LEAST32_MAX  UINT32_MAX
128 #define UINT_LEAST64_MAX  UINT64_MAX
129 
130 // 7.18.2.3 Limits of fastest minimum-width integer types
131 #define INT_FAST8_MIN    INT8_MIN
132 #define INT_FAST8_MAX    INT8_MAX
133 #define INT_FAST16_MIN   INT16_MIN
134 #define INT_FAST16_MAX   INT16_MAX
135 #define INT_FAST32_MIN   INT32_MIN
136 #define INT_FAST32_MAX   INT32_MAX
137 #define INT_FAST64_MIN   INT64_MIN
138 #define INT_FAST64_MAX   INT64_MAX
139 #define UINT_FAST8_MAX   UINT8_MAX
140 #define UINT_FAST16_MAX  UINT16_MAX
141 #define UINT_FAST32_MAX  UINT32_MAX
142 #define UINT_FAST64_MAX  UINT64_MAX
143 
144 // 7.18.2.4 Limits of integer types capable of holding object pointers
145 #ifdef _WIN64 // [
146 #  define INTPTR_MIN   INT64_MIN
147 #  define INTPTR_MAX   INT64_MAX
148 #  define UINTPTR_MAX  UINT64_MAX
149 #else // _WIN64 ][
150 #  define INTPTR_MIN   INT32_MIN
151 #  define INTPTR_MAX   INT32_MAX
152 #  define UINTPTR_MAX  UINT32_MAX
153 #endif // _WIN64 ]
154 
155 // 7.18.2.5 Limits of greatest-width integer types
156 #define INTMAX_MIN   INT64_MIN
157 #define INTMAX_MAX   INT64_MAX
158 #define UINTMAX_MAX  UINT64_MAX
159 
160 // 7.18.3 Limits of other integer types
161 
162 #ifdef _WIN64 // [
163 #  define PTRDIFF_MIN  _I64_MIN
164 #  define PTRDIFF_MAX  _I64_MAX
165 #else  // _WIN64 ][
166 #  define PTRDIFF_MIN  _I32_MIN
167 #  define PTRDIFF_MAX  _I32_MAX
168 #endif  // _WIN64 ]
169 
170 #define SIG_ATOMIC_MIN  INT_MIN
171 #define SIG_ATOMIC_MAX  INT_MAX
172 
173 #ifndef SIZE_MAX // [
174 #  ifdef _WIN64 // [
175 #     define SIZE_MAX  _UI64_MAX
176 #  else // _WIN64 ][
177 #     define SIZE_MAX  _UI32_MAX
178 #  endif // _WIN64 ]
179 #endif // SIZE_MAX ]
180 
181 // WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
182 #ifndef WCHAR_MIN // [
183 #  define WCHAR_MIN  0
184 #endif  // WCHAR_MIN ]
185 #ifndef WCHAR_MAX // [
186 #  define WCHAR_MAX  _UI16_MAX
187 #endif  // WCHAR_MAX ]
188 
189 #define WINT_MIN  0
190 #define WINT_MAX  _UI16_MAX
191 
192 #endif // __STDC_LIMIT_MACROS ]
193 
194 
195 // 7.18.4 Limits of other integer types
196 
197 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [   See footnote 224 at page 260
198 
199 // 7.18.4.1 Macros for minimum-width integer constants
200 
201 #define INT8_C(val)  val
202 #define INT16_C(val) val
203 #define INT32_C(val) val##L
204 #define INT64_C(val) val##i64
205 
206 #define UINT8_C(val)  val
207 #define UINT16_C(val) val
208 #define UINT32_C(val) val##UL
209 #define UINT64_C(val) val##Ui64
210 
211 // 7.18.4.2 Macros for greatest-width integer constants
212 #define INTMAX_C   INT64_C
213 #define UINTMAX_C  UINT64_C
214 
215 #endif // __STDC_CONSTANT_MACROS ]
216 
217 #endif
218 
219 #endif // _MSC_STDINT_H_ ]
220