xref: /freebsd/sys/x86/include/_stdint.h (revision 9137c66c2ea6cc09e3a6f8a042ecdc5a62e0f39e)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright (c) 2001, 2002 Mike Barcroft <mike@FreeBSD.org>
5  * Copyright (c) 2001 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Klaus Klein.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgement:
21  *        This product includes software developed by the NetBSD
22  *        Foundation, Inc. and its contributors.
23  * 4. Neither the name of The NetBSD Foundation nor the names of its
24  *    contributors may be used to endorse or promote products derived
25  *    from this software without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGE.
38  */
39 
40 #ifndef _MACHINE__STDINT_H_
41 #define	_MACHINE__STDINT_H_
42 
43 #define	INT8_C(c)		(c)
44 #define	INT16_C(c)		(c)
45 #define	INT32_C(c)		(c)
46 
47 #define	UINT8_C(c)		(c)
48 #define	UINT16_C(c)		(c)
49 #define	UINT32_C(c)		(c ## U)
50 
51 #ifdef	__LP64__
52 #define	INT64_C(c)		(c ## L)
53 #define	UINT64_C(c)		(c ## UL)
54 #else
55 #define	INT64_C(c)		(c ## LL)
56 #define	UINT64_C(c)		(c ## ULL)
57 #endif
58 
59 #define	INTMAX_C(c)		INT64_C(c)
60 #define	UINTMAX_C(c)		UINT64_C(c)
61 
62 /*
63  * ISO/IEC 9899:1999
64  * 7.18.2.1 Limits of exact-width integer types
65  */
66 #define	INT8_MIN	(-0x7f-1)
67 #define	INT16_MIN	(-0x7fff-1)
68 #define	INT32_MIN	(-0x7fffffff-1)
69 
70 #define	INT8_MAX	0x7f
71 #define	INT16_MAX	0x7fff
72 #define	INT32_MAX	0x7fffffff
73 
74 #define	UINT8_MAX	0xff
75 #define	UINT16_MAX	0xffff
76 #define	UINT32_MAX	0xffffffffU
77 
78 #ifdef __LP64__
79 #define	INT64_MIN	(-0x7fffffffffffffff-1)
80 #define	INT64_MAX	0x7fffffffffffffff
81 #define	UINT64_MAX	0xffffffffffffffff
82 #else
83 #define	INT64_MIN	(-0x7fffffffffffffffLL-1)
84 #define	INT64_MAX	0x7fffffffffffffffLL
85 #define	UINT64_MAX	0xffffffffffffffffULL
86 #endif
87 
88 /*
89  * ISO/IEC 9899:1999
90  * 7.18.2.2  Limits of minimum-width integer types
91  */
92 /* Minimum values of minimum-width signed integer types. */
93 #define	INT_LEAST8_MIN	INT8_MIN
94 #define	INT_LEAST16_MIN	INT16_MIN
95 #define	INT_LEAST32_MIN	INT32_MIN
96 #define	INT_LEAST64_MIN	INT64_MIN
97 
98 /* Maximum values of minimum-width signed integer types. */
99 #define	INT_LEAST8_MAX	INT8_MAX
100 #define	INT_LEAST16_MAX	INT16_MAX
101 #define	INT_LEAST32_MAX	INT32_MAX
102 #define	INT_LEAST64_MAX	INT64_MAX
103 
104 /* Maximum values of minimum-width unsigned integer types. */
105 #define	UINT_LEAST8_MAX	 UINT8_MAX
106 #define	UINT_LEAST16_MAX UINT16_MAX
107 #define	UINT_LEAST32_MAX UINT32_MAX
108 #define	UINT_LEAST64_MAX UINT64_MAX
109 
110 /*
111  * ISO/IEC 9899:1999
112  * 7.18.2.3  Limits of fastest minimum-width integer types
113  */
114 /* Minimum values of fastest minimum-width signed integer types. */
115 #define	INT_FAST8_MIN	INT32_MIN
116 #define	INT_FAST16_MIN	INT32_MIN
117 #define	INT_FAST32_MIN	INT32_MIN
118 #define	INT_FAST64_MIN	INT64_MIN
119 
120 /* Maximum values of fastest minimum-width signed integer types. */
121 #define	INT_FAST8_MAX	INT32_MAX
122 #define	INT_FAST16_MAX	INT32_MAX
123 #define	INT_FAST32_MAX	INT32_MAX
124 #define	INT_FAST64_MAX	INT64_MAX
125 
126 /* Maximum values of fastest minimum-width unsigned integer types. */
127 #define	UINT_FAST8_MAX	UINT32_MAX
128 #define	UINT_FAST16_MAX	UINT32_MAX
129 #define	UINT_FAST32_MAX	UINT32_MAX
130 #define	UINT_FAST64_MAX	UINT64_MAX
131 
132 /*
133  * ISO/IEC 9899:1999
134  * 7.18.2.4  Limits of integer types capable of holding object pointers
135  */
136 #ifdef	__LP64__
137 #define	INTPTR_MIN	INT64_MIN
138 #define	INTPTR_MAX	INT64_MAX
139 #define	UINTPTR_MAX	UINT64_MAX
140 #else
141 #define	INTPTR_MIN	INT32_MIN
142 #define	INTPTR_MAX	INT32_MAX
143 #define	UINTPTR_MAX	UINT32_MAX
144 #endif
145 
146 /*
147  * ISO/IEC 9899:1999
148  * 7.18.2.5  Limits of greatest-width integer types
149  */
150 #define	INTMAX_MIN	INT64_MIN
151 #define	INTMAX_MAX	INT64_MAX
152 #define	UINTMAX_MAX	UINT64_MAX
153 
154 /*
155  * ISO/IEC 9899:1999
156  * 7.18.3  Limits of other integer types
157  */
158 #ifdef	__LP64__
159 /* Limits of ptrdiff_t. */
160 #define	PTRDIFF_MIN	INT64_MIN
161 #define	PTRDIFF_MAX	INT64_MAX
162 
163 /* Limits of sig_atomic_t. */
164 #define	SIG_ATOMIC_MIN	INT64_MIN
165 #define	SIG_ATOMIC_MAX	INT64_MAX
166 
167 /* Limit of size_t. */
168 #define	SIZE_MAX	UINT64_MAX
169 #else
170 #define	PTRDIFF_MIN	INT32_MIN
171 #define	PTRDIFF_MAX	INT32_MAX
172 #define	SIG_ATOMIC_MIN	INT32_MIN
173 #define	SIG_ATOMIC_MAX	INT32_MAX
174 #define	SIZE_MAX	UINT32_MAX
175 #endif
176 
177 /* Limits of wint_t. */
178 #define	WINT_MIN	INT32_MIN
179 #define	WINT_MAX	INT32_MAX
180 
181 #if __ISO_C_VISIBLE >= 2023
182 /*
183  * ISO/IEC 9899:2023
184  * 7.22.2 Widths of specified-width integer types
185  */
186 #define INT_FAST8_WIDTH		INT32_WIDTH
187 #define INT_FAST16_WIDTH	INT32_WIDTH
188 #define INT_FAST32_WIDTH	INT32_WIDTH
189 #define INT_FAST64_WIDTH	INT64_WIDTH
190 #ifdef __LP64__
191 #define INTPTR_WIDTH		INT64_WIDTH
192 #else
193 #define INTPTR_WIDTH		INT32_WIDTH
194 #endif
195 #define INTMAX_WIDTH		INT64_WIDTH
196 
197 /*
198  * ISO/IEC 9899:2023
199  * 7.22.3 Width of other integer types
200  */
201 #ifdef	__LP64__
202 #define PTRDIFF_WIDTH		INT64_WIDTH
203 #define SIG_ATOMIC_WIDTH	INT64_WIDTH
204 #define SIZE_WIDTH		INT64_WIDTH
205 #else
206 #define PTRDIFF_WIDTH		INT32_WIDTH
207 #define SIG_ATOMIC_WIDTH	INT32_WIDTH
208 #define SIZE_WIDTH		INT32_WIDTH
209 #endif
210 #define WCHAR_WIDTH		INT32_WIDTH
211 #define WINT_WIDTH		INT32_WIDTH
212 #endif /* __ISO_C_VISIBLE >= 2023 */
213 
214 #endif /* !_MACHINE__STDINT_H_ */
215