FreeBSD/Linux Kernel Cross Reference
sys/sys/stdint.h
1 /* $OpenBSD: stdint.h,v 1.11 2019/01/25 00:19:26 millert Exp $ */
2
3 /*
4 * Copyright (c) 1997, 2005 Todd C. Miller <millert@openbsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #ifndef _SYS_STDINT_H_
20 #define _SYS_STDINT_H_
21
22 #include <sys/cdefs.h>
23 #include <machine/_types.h>
24
25 #ifndef __BIT_TYPES_DEFINED__
26 #define __BIT_TYPES_DEFINED__
27 #endif
28
29 /* 7.18.1.1 Exact-width integer types (also in sys/types.h) */
30 #ifndef _INT8_T_DEFINED_
31 #define _INT8_T_DEFINED_
32 typedef __int8_t int8_t;
33 #endif
34
35 #ifndef _UINT8_T_DEFINED_
36 #define _UINT8_T_DEFINED_
37 typedef __uint8_t uint8_t;
38 #endif
39
40 #ifndef _INT16_T_DEFINED_
41 #define _INT16_T_DEFINED_
42 typedef __int16_t int16_t;
43 #endif
44
45 #ifndef _UINT16_T_DEFINED_
46 #define _UINT16_T_DEFINED_
47 typedef __uint16_t uint16_t;
48 #endif
49
50 #ifndef _INT32_T_DEFINED_
51 #define _INT32_T_DEFINED_
52 typedef __int32_t int32_t;
53 #endif
54
55 #ifndef _UINT32_T_DEFINED_
56 #define _UINT32_T_DEFINED_
57 typedef __uint32_t uint32_t;
58 #endif
59
60 #ifndef _INT64_T_DEFINED_
61 #define _INT64_T_DEFINED_
62 typedef __int64_t int64_t;
63 #endif
64
65 #ifndef _UINT64_T_DEFINED_
66 #define _UINT64_T_DEFINED_
67 typedef __uint64_t uint64_t;
68 #endif
69
70 /* 7.18.1.2 Minimum-width integer types */
71 typedef __int_least8_t int_least8_t;
72 typedef __uint_least8_t uint_least8_t;
73 typedef __int_least16_t int_least16_t;
74 typedef __uint_least16_t uint_least16_t;
75 typedef __int_least32_t int_least32_t;
76 typedef __uint_least32_t uint_least32_t;
77 typedef __int_least64_t int_least64_t;
78 typedef __uint_least64_t uint_least64_t;
79
80 /* 7.18.1.3 Fastest minimum-width integer types */
81 typedef __int_fast8_t int_fast8_t;
82 typedef __uint_fast8_t uint_fast8_t;
83 typedef __int_fast16_t int_fast16_t;
84 typedef __uint_fast16_t uint_fast16_t;
85 typedef __int_fast32_t int_fast32_t;
86 typedef __uint_fast32_t uint_fast32_t;
87 typedef __int_fast64_t int_fast64_t;
88 typedef __uint_fast64_t uint_fast64_t;
89
90 /* 7.18.1.4 Integer types capable of holding object pointers */
91 #ifndef _INTPTR_T_DEFINED_
92 #define _INTPTR_T_DEFINED_
93 typedef __intptr_t intptr_t;
94 #endif
95
96 typedef __uintptr_t uintptr_t;
97
98 /* 7.18.1.5 Greatest-width integer types */
99 typedef __intmax_t intmax_t;
100 typedef __uintmax_t uintmax_t;
101
102 /*
103 * 7.18.2 Limits of specified-width integer types.
104 *
105 * The following object-like macros specify the minimum and maximum limits
106 * of integer types corresponding to the typedef names defined above.
107 */
108
109 /* 7.18.2.1 Limits of exact-width integer types */
110 #define INT8_MIN (-0x7f - 1)
111 #define INT16_MIN (-0x7fff - 1)
112 #define INT32_MIN (-0x7fffffff - 1)
113 #define INT64_MIN (-0x7fffffffffffffffLL - 1)
114
115 #define INT8_MAX 0x7f
116 #define INT16_MAX 0x7fff
117 #define INT32_MAX 0x7fffffff
118 #define INT64_MAX 0x7fffffffffffffffLL
119
120 #define UINT8_MAX 0xff
121 #define UINT16_MAX 0xffff
122 #define UINT32_MAX 0xffffffffU
123 #define UINT64_MAX 0xffffffffffffffffULL
124
125 /* 7.18.2.2 Limits of minimum-width integer types */
126 #define INT_LEAST8_MIN INT8_MIN
127 #define INT_LEAST16_MIN INT16_MIN
128 #define INT_LEAST32_MIN INT32_MIN
129 #define INT_LEAST64_MIN INT64_MIN
130
131 #define INT_LEAST8_MAX INT8_MAX
132 #define INT_LEAST16_MAX INT16_MAX
133 #define INT_LEAST32_MAX INT32_MAX
134 #define INT_LEAST64_MAX INT64_MAX
135
136 #define UINT_LEAST8_MAX UINT8_MAX
137 #define UINT_LEAST16_MAX UINT16_MAX
138 #define UINT_LEAST32_MAX UINT32_MAX
139 #define UINT_LEAST64_MAX UINT64_MAX
140
141 /* 7.18.2.3 Limits of fastest minimum-width integer types */
142 #define INT_FAST8_MIN __INT_FAST8_MIN
143 #define INT_FAST16_MIN __INT_FAST16_MIN
144 #define INT_FAST32_MIN __INT_FAST32_MIN
145 #define INT_FAST64_MIN __INT_FAST64_MIN
146
147 #define INT_FAST8_MAX __INT_FAST8_MAX
148 #define INT_FAST16_MAX __INT_FAST16_MAX
149 #define INT_FAST32_MAX __INT_FAST32_MAX
150 #define INT_FAST64_MAX __INT_FAST64_MAX
151
152 #define UINT_FAST8_MAX __UINT_FAST8_MAX
153 #define UINT_FAST16_MAX __UINT_FAST16_MAX
154 #define UINT_FAST32_MAX __UINT_FAST32_MAX
155 #define UINT_FAST64_MAX __UINT_FAST64_MAX
156
157 /* 7.18.2.4 Limits of integer types capable of holding object pointers */
158 #ifdef __LP64__
159 #define INTPTR_MIN (-0x7fffffffffffffffL - 1)
160 #define INTPTR_MAX 0x7fffffffffffffffL
161 #define UINTPTR_MAX 0xffffffffffffffffUL
162 #else
163 #define INTPTR_MIN (-0x7fffffffL - 1)
164 #define INTPTR_MAX 0x7fffffffL
165 #define UINTPTR_MAX 0xffffffffUL
166 #endif
167
168 /* 7.18.2.5 Limits of greatest-width integer types */
169 #define INTMAX_MIN INT64_MIN
170 #define INTMAX_MAX INT64_MAX
171 #define UINTMAX_MAX UINT64_MAX
172
173 /*
174 * 7.18.3 Limits of other integer types.
175 *
176 * The following object-like macros specify the minimum and maximum limits
177 * of integer types corresponding to types specified in other standard
178 * header files.
179 */
180
181 /* Limits of ptrdiff_t */
182 #define PTRDIFF_MIN INTPTR_MIN
183 #define PTRDIFF_MAX INTPTR_MAX
184
185 /* Limits of sig_atomic_t */
186 #define SIG_ATOMIC_MIN INT32_MIN
187 #define SIG_ATOMIC_MAX INT32_MAX
188
189 /* Limit of size_t */
190 #ifndef SIZE_MAX
191 #define SIZE_MAX UINTPTR_MAX
192 #endif
193
194 /* Limits of wchar_t */
195 #ifndef WCHAR_MIN
196 #define WCHAR_MIN INT32_MIN
197 #endif
198 #ifndef WCHAR_MAX
199 #define WCHAR_MAX INT32_MAX
200 #endif
201
202 /* Limits of wint_t */
203 #define WINT_MIN INT32_MIN
204 #define WINT_MAX INT32_MAX
205
206 /*
207 * 7.18.4 Macros for integer constants.
208 *
209 * The following function-like macros expand to integer constants
210 * suitable for initializing objects that have integer types corresponding
211 * to types defined in <stdint.h>. The argument in any instance of
212 * these macros shall be a decimal, octal, or hexadecimal constant with
213 * a value that does not exceed the limits for the corresponding type.
214 */
215
216 /* 7.18.4.1 Macros for minimum-width integer constants. */
217 #define INT8_C(_c) (_c)
218 #define INT16_C(_c) (_c)
219 #define INT32_C(_c) (_c)
220 #define INT64_C(_c) __CONCAT(_c, LL)
221
222 #define UINT8_C(_c) (_c)
223 #define UINT16_C(_c) (_c)
224 #define UINT32_C(_c) __CONCAT(_c, U)
225 #define UINT64_C(_c) __CONCAT(_c, ULL)
226
227 /* 7.18.4.2 Macros for greatest-width integer constants. */
228 #define INTMAX_C(_c) __CONCAT(_c, LL)
229 #define UINTMAX_C(_c) __CONCAT(_c, ULL)
230
231 #endif /* _SYS_STDINT_H_ */
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