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A Portable Framework for Low-Level Network Packet Construction
stdint.h
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 //
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_ ]