xref: /freebsd/sys/x86/include/_stdint.h (revision b9f654b163bce26de79705e77b872427c9f2afa1)
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  * $FreeBSD$
40  */
41 
42 #ifndef _MACHINE__STDINT_H_
43 #define	_MACHINE__STDINT_H_
44 
45 #include <machine/_limits.h>
46 
47 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
48 
49 #define	INT8_C(c)		(c)
50 #define	INT16_C(c)		(c)
51 #define	INT32_C(c)		(c)
52 
53 #define	UINT8_C(c)		(c)
54 #define	UINT16_C(c)		(c)
55 #define	UINT32_C(c)		(c ## U)
56 
57 #ifdef	__LP64__
58 #define	INT64_C(c)		(c ## L)
59 #define	UINT64_C(c)		(c ## UL)
60 #else
61 #define	INT64_C(c)		(c ## LL)
62 #define	UINT64_C(c)		(c ## ULL)
63 #endif
64 
65 #define	INTMAX_C(c)		INT64_C(c)
66 #define	UINTMAX_C(c)		UINT64_C(c)
67 
68 #endif /* !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) */
69 
70 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
71 
72 /*
73  * ISO/IEC 9899:1999
74  * 7.18.2.1 Limits of exact-width integer types
75  */
76 #define	INT8_MIN	(-0x7f-1)
77 #define	INT16_MIN	(-0x7fff-1)
78 #define	INT32_MIN	(-0x7fffffff-1)
79 
80 #define	INT8_MAX	0x7f
81 #define	INT16_MAX	0x7fff
82 #define	INT32_MAX	0x7fffffff
83 
84 #define	UINT8_MAX	0xff
85 #define	UINT16_MAX	0xffff
86 #define	UINT32_MAX	0xffffffffU
87 
88 #ifdef __LP64__
89 #define	INT64_MIN	(-0x7fffffffffffffff-1)
90 #define	INT64_MAX	0x7fffffffffffffff
91 #define	UINT64_MAX	0xffffffffffffffff
92 #else
93 #define	INT64_MIN	(-0x7fffffffffffffffLL-1)
94 #define	INT64_MAX	0x7fffffffffffffffLL
95 #define	UINT64_MAX	0xffffffffffffffffULL
96 #endif
97 
98 /*
99  * ISO/IEC 9899:1999
100  * 7.18.2.2  Limits of minimum-width integer types
101  */
102 /* Minimum values of minimum-width signed integer types. */
103 #define	INT_LEAST8_MIN	INT8_MIN
104 #define	INT_LEAST16_MIN	INT16_MIN
105 #define	INT_LEAST32_MIN	INT32_MIN
106 #define	INT_LEAST64_MIN	INT64_MIN
107 
108 /* Maximum values of minimum-width signed integer types. */
109 #define	INT_LEAST8_MAX	INT8_MAX
110 #define	INT_LEAST16_MAX	INT16_MAX
111 #define	INT_LEAST32_MAX	INT32_MAX
112 #define	INT_LEAST64_MAX	INT64_MAX
113 
114 /* Maximum values of minimum-width unsigned integer types. */
115 #define	UINT_LEAST8_MAX	 UINT8_MAX
116 #define	UINT_LEAST16_MAX UINT16_MAX
117 #define	UINT_LEAST32_MAX UINT32_MAX
118 #define	UINT_LEAST64_MAX UINT64_MAX
119 
120 /*
121  * ISO/IEC 9899:1999
122  * 7.18.2.3  Limits of fastest minimum-width integer types
123  */
124 /* Minimum values of fastest minimum-width signed integer types. */
125 #define	INT_FAST8_MIN	INT32_MIN
126 #define	INT_FAST16_MIN	INT32_MIN
127 #define	INT_FAST32_MIN	INT32_MIN
128 #define	INT_FAST64_MIN	INT64_MIN
129 
130 /* Maximum values of fastest minimum-width signed integer types. */
131 #define	INT_FAST8_MAX	INT32_MAX
132 #define	INT_FAST16_MAX	INT32_MAX
133 #define	INT_FAST32_MAX	INT32_MAX
134 #define	INT_FAST64_MAX	INT64_MAX
135 
136 /* Maximum values of fastest minimum-width unsigned integer types. */
137 #define	UINT_FAST8_MAX	UINT32_MAX
138 #define	UINT_FAST16_MAX	UINT32_MAX
139 #define	UINT_FAST32_MAX	UINT32_MAX
140 #define	UINT_FAST64_MAX	UINT64_MAX
141 
142 /*
143  * ISO/IEC 9899:1999
144  * 7.18.2.4  Limits of integer types capable of holding object pointers
145  */
146 #ifdef	__LP64__
147 #define	INTPTR_MIN	INT64_MIN
148 #define	INTPTR_MAX	INT64_MAX
149 #define	UINTPTR_MAX	UINT64_MAX
150 #else
151 #define	INTPTR_MIN	INT32_MIN
152 #define	INTPTR_MAX	INT32_MAX
153 #define	UINTPTR_MAX	UINT32_MAX
154 #endif
155 
156 /*
157  * ISO/IEC 9899:1999
158  * 7.18.2.5  Limits of greatest-width integer types
159  */
160 #define	INTMAX_MIN	INT64_MIN
161 #define	INTMAX_MAX	INT64_MAX
162 #define	UINTMAX_MAX	UINT64_MAX
163 
164 /*
165  * ISO/IEC 9899:1999
166  * 7.18.3  Limits of other integer types
167  */
168 #ifdef	__LP64__
169 /* Limits of ptrdiff_t. */
170 #define	PTRDIFF_MIN	INT64_MIN
171 #define	PTRDIFF_MAX	INT64_MAX
172 
173 /* Limits of sig_atomic_t. */
174 #define	SIG_ATOMIC_MIN	__LONG_MIN
175 #define	SIG_ATOMIC_MAX	__LONG_MAX
176 
177 /* Limit of size_t. */
178 #define	SIZE_MAX	UINT64_MAX
179 #else
180 #define	PTRDIFF_MIN	INT32_MIN
181 #define	PTRDIFF_MAX	INT32_MAX
182 #define	SIG_ATOMIC_MIN	INT32_MIN
183 #define	SIG_ATOMIC_MAX	INT32_MAX
184 #define	SIZE_MAX	UINT32_MAX
185 #endif
186 
187 /* Limits of wint_t. */
188 #define	WINT_MIN	INT32_MIN
189 #define	WINT_MAX	INT32_MAX
190 
191 #endif /* !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) */
192 
193 #endif /* !_MACHINE__STDINT_H_ */
194