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 #ifndef __RARCH_STDINT_H
32 #define __RARCH_STDINT_H
33 
34 #if _MSC_VER && (_MSC_VER < 1600)
35 /* Pre-MSVC 2010 needs an implementation of stdint.h. */
36 
37 #if _MSC_VER > 1000
38 #pragma once
39 #endif
40 
41 #include <limits.h>
42 
43 /* For Visual Studio 6 in C++ mode and for many Visual Studio versions when
44  * compiling for ARM we should wrap <wchar.h> include with 'extern "C++" {}'
45  * or compiler give many errors like this:
46  *
47  * error C2733: second C linkage of overloaded function 'wmemchr' not allowed
48  */
49 #ifdef __cplusplus
50 #if _MSC_VER <= 1200
51 extern "C++" {
52 #else
53 extern "C" {
54 #endif
55 #endif
56 #  include <wchar.h>
57 #ifdef __cplusplus
58 }
59 #endif
60 
61 /* Define _W64 macros to mark types changing their size, like intptr_t. */
62 #ifndef _W64
63 #  if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
64 #     define _W64 __w64
65 #  else
66 #     define _W64
67 #  endif
68 #endif
69 
70 /* 7.18.1 Integer types. */
71 
72 /* 7.18.1.1 Exact-width integer types. */
73 
74 /* Visual Studio 6 and Embedded Visual C++ 4 doesn't
75  * realize that, e.g. char has the same size as __int8
76  * so we give up on __intX for them.
77  */
78 #if (_MSC_VER < 1300)
79    typedef signed char       int8_t;
80    typedef signed short      int16_t;
81    typedef signed int        int32_t;
82    typedef unsigned char     uint8_t;
83    typedef unsigned short    uint16_t;
84    typedef unsigned int      uint32_t;
85 #else
86    typedef signed __int8     int8_t;
87    typedef signed __int16    int16_t;
88    typedef signed __int32    int32_t;
89    typedef unsigned __int8   uint8_t;
90    typedef unsigned __int16  uint16_t;
91    typedef unsigned __int32  uint32_t;
92 #endif
93 typedef signed __int64       int64_t;
94 typedef unsigned __int64     uint64_t;
95 
96 /* 7.18.1.2 Minimum-width integer types. */
97 typedef int8_t    int_least8_t;
98 typedef int16_t   int_least16_t;
99 typedef int32_t   int_least32_t;
100 typedef int64_t   int_least64_t;
101 typedef uint8_t   uint_least8_t;
102 typedef uint16_t  uint_least16_t;
103 typedef uint32_t  uint_least32_t;
104 typedef uint64_t  uint_least64_t;
105 
106 /* 7.18.1.3 Fastest minimum-width integer types. */
107 typedef int8_t    int_fast8_t;
108 typedef int16_t   int_fast16_t;
109 typedef int32_t   int_fast32_t;
110 typedef int64_t   int_fast64_t;
111 typedef uint8_t   uint_fast8_t;
112 typedef uint16_t  uint_fast16_t;
113 typedef uint32_t  uint_fast32_t;
114 typedef uint64_t  uint_fast64_t;
115 
116 /* 7.18.1.4 Integer types capable of holding object pointers. */
117 #ifdef _WIN64 /* [ */
118    typedef signed __int64    intptr_t;
119    typedef unsigned __int64  uintptr_t;
120 #else /* _WIN64 ][ */
121    typedef _W64 signed int   intptr_t;
122    typedef _W64 unsigned int uintptr_t;
123 #endif /* _WIN64 ] */
124 
125 /* 7.18.1.5 Greatest-width integer types. */
126 typedef int64_t   intmax_t;
127 typedef uint64_t  uintmax_t;
128 
129 /* 7.18.2 Limits of specified-width integer types. */
130 
131 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
132 /* [   See footnote 220 at page 257 and footnote 221 at page 259. */
133 
134 /* 7.18.2.1 Limits of exact-width integer types. */
135 #define INT8_MIN     ((int8_t)_I8_MIN)
136 #define INT8_MAX     _I8_MAX
137 #define INT16_MIN    ((int16_t)_I16_MIN)
138 #define INT16_MAX    _I16_MAX
139 #define INT32_MIN    ((int32_t)_I32_MIN)
140 #define INT32_MAX    _I32_MAX
141 #define INT64_MIN    ((int64_t)_I64_MIN)
142 #define INT64_MAX    _I64_MAX
143 #define UINT8_MAX    _UI8_MAX
144 #define UINT16_MAX   _UI16_MAX
145 #define UINT32_MAX   _UI32_MAX
146 #define UINT64_MAX   _UI64_MAX
147 
148 /* 7.18.2.2 Limits of minimum-width integer types. */
149 #define INT_LEAST8_MIN    INT8_MIN
150 #define INT_LEAST8_MAX    INT8_MAX
151 #define INT_LEAST16_MIN   INT16_MIN
152 #define INT_LEAST16_MAX   INT16_MAX
153 #define INT_LEAST32_MIN   INT32_MIN
154 #define INT_LEAST32_MAX   INT32_MAX
155 #define INT_LEAST64_MIN   INT64_MIN
156 #define INT_LEAST64_MAX   INT64_MAX
157 #define UINT_LEAST8_MAX   UINT8_MAX
158 #define UINT_LEAST16_MAX  UINT16_MAX
159 #define UINT_LEAST32_MAX  UINT32_MAX
160 #define UINT_LEAST64_MAX  UINT64_MAX
161 
162 /* 7.18.2.3 Limits of fastest minimum-width integer types. */
163 #define INT_FAST8_MIN    INT8_MIN
164 #define INT_FAST8_MAX    INT8_MAX
165 #define INT_FAST16_MIN   INT16_MIN
166 #define INT_FAST16_MAX   INT16_MAX
167 #define INT_FAST32_MIN   INT32_MIN
168 #define INT_FAST32_MAX   INT32_MAX
169 #define INT_FAST64_MIN   INT64_MIN
170 #define INT_FAST64_MAX   INT64_MAX
171 #define UINT_FAST8_MAX   UINT8_MAX
172 #define UINT_FAST16_MAX  UINT16_MAX
173 #define UINT_FAST32_MAX  UINT32_MAX
174 #define UINT_FAST64_MAX  UINT64_MAX
175 
176 /* 7.18.2.4 Limits of integer types capable of holding object pointers. */
177 #ifdef _WIN64 /* [ */
178 #  define INTPTR_MIN   INT64_MIN
179 #  define INTPTR_MAX   INT64_MAX
180 #  define UINTPTR_MAX  UINT64_MAX
181 #else /* _WIN64 ][ */
182 #  define INTPTR_MIN   INT32_MIN
183 #  define INTPTR_MAX   INT32_MAX
184 #  define UINTPTR_MAX  UINT32_MAX
185 #endif /* _WIN64 ] */
186 
187 /* 7.18.2.5 Limits of greatest-width integer types */
188 #define INTMAX_MIN   INT64_MIN
189 #define INTMAX_MAX   INT64_MAX
190 #define UINTMAX_MAX  UINT64_MAX
191 
192 /* 7.18.3 Limits of other integer types */
193 
194 #ifdef _WIN64 /* [ */
195 #  define PTRDIFF_MIN  _I64_MIN
196 #  define PTRDIFF_MAX  _I64_MAX
197 #else  /* _WIN64 ][ */
198 #  define PTRDIFF_MIN  _I32_MIN
199 #  define PTRDIFF_MAX  _I32_MAX
200 #endif  /* _WIN64 ] */
201 
202 #define SIG_ATOMIC_MIN  INT_MIN
203 #define SIG_ATOMIC_MAX  INT_MAX
204 
205 #ifndef SIZE_MAX /* [ */
206 #  ifdef _WIN64 /* [ */
207 #     define SIZE_MAX  _UI64_MAX
208 #  else /* _WIN64 ][ */
209 #     define SIZE_MAX  _UI32_MAX
210 #  endif /* _WIN64 ] */
211 #endif /* SIZE_MAX ] */
212 
213 /* WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h> */
214 #ifndef WCHAR_MIN /* [ */
215 #  define WCHAR_MIN  0
216 #endif  /* WCHAR_MIN ] */
217 #ifndef WCHAR_MAX // [
218 #  define WCHAR_MAX  _UI16_MAX
219 #endif  /* WCHAR_MAX ] */
220 
221 #define WINT_MIN  0
222 #define WINT_MAX  _UI16_MAX
223 
224 #endif /* __STDC_LIMIT_MACROS ] */
225 
226 /* 7.18.4 Limits of other integer types */
227 
228 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
229 /* [   See footnote 224 at page 260 */
230 
231 /* 7.18.4.1 Macros for minimum-width integer constants */
232 
233 #define INT8_C(val)  val##i8
234 #define INT16_C(val) val##i16
235 #define INT32_C(val) val##i32
236 #define INT64_C(val) val##i64
237 
238 #define UINT8_C(val)  val##ui8
239 #define UINT16_C(val) val##ui16
240 #define UINT32_C(val) val##ui32
241 #define UINT64_C(val) val##ui64
242 
243 /* 7.18.4.2 Macros for greatest-width integer constants */
244 #define INTMAX_C   INT64_C
245 #define UINTMAX_C  UINT64_C
246 
247 #endif
248 /* __STDC_CONSTANT_MACROS ] */
249 
250 #else
251 /* Sanity for everything else. */
252 #include <stdint.h>
253 #endif
254 
255 #endif
256