xref: /minix3/sys/arch/i386/include/int_limits.h (revision f6aac1c3b5ca21b829888677e8ee6bc9cda07e52)
1*f6aac1c3SLionel Sambuc /*	$NetBSD: int_limits.h,v 1.8 2008/04/28 20:23:24 martin Exp $	*/
2*f6aac1c3SLionel Sambuc 
3*f6aac1c3SLionel Sambuc /*-
4*f6aac1c3SLionel Sambuc  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5*f6aac1c3SLionel Sambuc  * All rights reserved.
6*f6aac1c3SLionel Sambuc  *
7*f6aac1c3SLionel Sambuc  * This code is derived from software contributed to The NetBSD Foundation
8*f6aac1c3SLionel Sambuc  * by Klaus Klein.
9*f6aac1c3SLionel Sambuc  *
10*f6aac1c3SLionel Sambuc  * Redistribution and use in source and binary forms, with or without
11*f6aac1c3SLionel Sambuc  * modification, are permitted provided that the following conditions
12*f6aac1c3SLionel Sambuc  * are met:
13*f6aac1c3SLionel Sambuc  * 1. Redistributions of source code must retain the above copyright
14*f6aac1c3SLionel Sambuc  *    notice, this list of conditions and the following disclaimer.
15*f6aac1c3SLionel Sambuc  * 2. Redistributions in binary form must reproduce the above copyright
16*f6aac1c3SLionel Sambuc  *    notice, this list of conditions and the following disclaimer in the
17*f6aac1c3SLionel Sambuc  *    documentation and/or other materials provided with the distribution.
18*f6aac1c3SLionel Sambuc  *
19*f6aac1c3SLionel Sambuc  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*f6aac1c3SLionel Sambuc  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*f6aac1c3SLionel Sambuc  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*f6aac1c3SLionel Sambuc  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*f6aac1c3SLionel Sambuc  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*f6aac1c3SLionel Sambuc  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*f6aac1c3SLionel Sambuc  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*f6aac1c3SLionel Sambuc  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*f6aac1c3SLionel Sambuc  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*f6aac1c3SLionel Sambuc  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*f6aac1c3SLionel Sambuc  * POSSIBILITY OF SUCH DAMAGE.
30*f6aac1c3SLionel Sambuc  */
31*f6aac1c3SLionel Sambuc 
32*f6aac1c3SLionel Sambuc #ifndef _I386_INT_LIMITS_H_
33*f6aac1c3SLionel Sambuc #define _I386_INT_LIMITS_H_
34*f6aac1c3SLionel Sambuc 
35*f6aac1c3SLionel Sambuc /*
36*f6aac1c3SLionel Sambuc  * 7.18.2 Limits of specified-width integer types
37*f6aac1c3SLionel Sambuc  */
38*f6aac1c3SLionel Sambuc 
39*f6aac1c3SLionel Sambuc /* 7.18.2.1 Limits of exact-width integer types */
40*f6aac1c3SLionel Sambuc 
41*f6aac1c3SLionel Sambuc /* minimum values of exact-width signed integer types */
42*f6aac1c3SLionel Sambuc #define	INT8_MIN	(-0x7f-1)			/* int8_t	  */
43*f6aac1c3SLionel Sambuc #define	INT16_MIN	(-0x7fff-1)			/* int16_t	  */
44*f6aac1c3SLionel Sambuc #define	INT32_MIN	(-0x7fffffff-1)			/* int32_t	  */
45*f6aac1c3SLionel Sambuc #define	INT64_MIN	(-0x7fffffffffffffffLL-1)	/* int64_t	  */
46*f6aac1c3SLionel Sambuc 
47*f6aac1c3SLionel Sambuc /* maximum values of exact-width signed integer types */
48*f6aac1c3SLionel Sambuc #define	INT8_MAX	0x7f				/* int8_t	  */
49*f6aac1c3SLionel Sambuc #define	INT16_MAX	0x7fff				/* int16_t	  */
50*f6aac1c3SLionel Sambuc #define	INT32_MAX	0x7fffffff			/* int32_t	  */
51*f6aac1c3SLionel Sambuc #define	INT64_MAX	0x7fffffffffffffffLL		/* int64_t	  */
52*f6aac1c3SLionel Sambuc 
53*f6aac1c3SLionel Sambuc /* maximum values of exact-width unsigned integer types */
54*f6aac1c3SLionel Sambuc #define	UINT8_MAX	0xff				/* uint8_t	  */
55*f6aac1c3SLionel Sambuc #define	UINT16_MAX	0xffff				/* uint16_t	  */
56*f6aac1c3SLionel Sambuc #define	UINT32_MAX	0xffffffffU			/* uint32_t	  */
57*f6aac1c3SLionel Sambuc #define	UINT64_MAX	0xffffffffffffffffULL		/* uint64_t	  */
58*f6aac1c3SLionel Sambuc 
59*f6aac1c3SLionel Sambuc /* 7.18.2.2 Limits of minimum-width integer types */
60*f6aac1c3SLionel Sambuc 
61*f6aac1c3SLionel Sambuc /* minimum values of minimum-width signed integer types */
62*f6aac1c3SLionel Sambuc #define	INT_LEAST8_MIN	(-0x7f-1)			/* int_least8_t	  */
63*f6aac1c3SLionel Sambuc #define	INT_LEAST16_MIN	(-0x7fff-1)			/* int_least16_t  */
64*f6aac1c3SLionel Sambuc #define	INT_LEAST32_MIN	(-0x7fffffff-1)			/* int_least32_t  */
65*f6aac1c3SLionel Sambuc #define	INT_LEAST64_MIN	(-0x7fffffffffffffffLL-1)	/* int_least64_t  */
66*f6aac1c3SLionel Sambuc 
67*f6aac1c3SLionel Sambuc /* maximum values of minimum-width signed integer types */
68*f6aac1c3SLionel Sambuc #define	INT_LEAST8_MAX	0x7f				/* int_least8_t	  */
69*f6aac1c3SLionel Sambuc #define	INT_LEAST16_MAX	0x7fff				/* int_least16_t  */
70*f6aac1c3SLionel Sambuc #define	INT_LEAST32_MAX	0x7fffffff			/* int_least32_t  */
71*f6aac1c3SLionel Sambuc #define	INT_LEAST64_MAX	0x7fffffffffffffffLL		/* int_least64_t  */
72*f6aac1c3SLionel Sambuc 
73*f6aac1c3SLionel Sambuc /* maximum values of minimum-width unsigned integer types */
74*f6aac1c3SLionel Sambuc #define	UINT_LEAST8_MAX	 0xff				/* uint_least8_t  */
75*f6aac1c3SLionel Sambuc #define	UINT_LEAST16_MAX 0xffff				/* uint_least16_t */
76*f6aac1c3SLionel Sambuc #define	UINT_LEAST32_MAX 0xffffffffU			/* uint_least32_t */
77*f6aac1c3SLionel Sambuc #define	UINT_LEAST64_MAX 0xffffffffffffffffULL		/* uint_least64_t */
78*f6aac1c3SLionel Sambuc 
79*f6aac1c3SLionel Sambuc /* 7.18.2.3 Limits of fastest minimum-width integer types */
80*f6aac1c3SLionel Sambuc 
81*f6aac1c3SLionel Sambuc /* minimum values of fastest minimum-width signed integer types */
82*f6aac1c3SLionel Sambuc #define	INT_FAST8_MIN	(-0x7f-1)			/* int_fast8_t	  */
83*f6aac1c3SLionel Sambuc #define	INT_FAST16_MIN	(-0x7fffffff-1)			/* int_fast16_t	  */
84*f6aac1c3SLionel Sambuc #define	INT_FAST32_MIN	(-0x7fffffff-1)			/* int_fast32_t	  */
85*f6aac1c3SLionel Sambuc #define	INT_FAST64_MIN	(-0x7fffffffffffffffLL-1)	/* int_fast64_t	  */
86*f6aac1c3SLionel Sambuc 
87*f6aac1c3SLionel Sambuc /* maximum values of fastest minimum-width signed integer types */
88*f6aac1c3SLionel Sambuc #define	INT_FAST8_MAX	0x7f				/* int_fast8_t	  */
89*f6aac1c3SLionel Sambuc #define	INT_FAST16_MAX	0x7fffffff			/* int_fast16_t	  */
90*f6aac1c3SLionel Sambuc #define	INT_FAST32_MAX	0x7fffffff			/* int_fast32_t	  */
91*f6aac1c3SLionel Sambuc #define	INT_FAST64_MAX	0x7fffffffffffffffLL		/* int_fast64_t	  */
92*f6aac1c3SLionel Sambuc 
93*f6aac1c3SLionel Sambuc /* maximum values of fastest minimum-width unsigned integer types */
94*f6aac1c3SLionel Sambuc #define	UINT_FAST8_MAX	0xff				/* uint_fast8_t	  */
95*f6aac1c3SLionel Sambuc #define	UINT_FAST16_MAX	0xffffffffU			/* uint_fast16_t  */
96*f6aac1c3SLionel Sambuc #define	UINT_FAST32_MAX	0xffffffffU			/* uint_fast32_t  */
97*f6aac1c3SLionel Sambuc #define	UINT_FAST64_MAX	0xffffffffffffffffULL		/* uint_fast64_t  */
98*f6aac1c3SLionel Sambuc 
99*f6aac1c3SLionel Sambuc /* 7.18.2.4 Limits of integer types capable of holding object pointers */
100*f6aac1c3SLionel Sambuc 
101*f6aac1c3SLionel Sambuc #define	INTPTR_MIN	(-0x7fffffff-1)			/* intptr_t	  */
102*f6aac1c3SLionel Sambuc #define	INTPTR_MAX	0x7fffffff			/* intptr_t	  */
103*f6aac1c3SLionel Sambuc #define	UINTPTR_MAX	0xffffffffU			/* uintptr_t	  */
104*f6aac1c3SLionel Sambuc 
105*f6aac1c3SLionel Sambuc /* 7.18.2.5 Limits of greatest-width integer types */
106*f6aac1c3SLionel Sambuc 
107*f6aac1c3SLionel Sambuc #define	INTMAX_MIN	(-0x7fffffffffffffffLL-1)	/* intmax_t	  */
108*f6aac1c3SLionel Sambuc #define	INTMAX_MAX	0x7fffffffffffffffLL		/* intmax_t	  */
109*f6aac1c3SLionel Sambuc #define	UINTMAX_MAX	0xffffffffffffffffULL		/* uintmax_t	  */
110*f6aac1c3SLionel Sambuc 
111*f6aac1c3SLionel Sambuc 
112*f6aac1c3SLionel Sambuc /*
113*f6aac1c3SLionel Sambuc  * 7.18.3 Limits of other integer types
114*f6aac1c3SLionel Sambuc  */
115*f6aac1c3SLionel Sambuc 
116*f6aac1c3SLionel Sambuc /* limits of ptrdiff_t */
117*f6aac1c3SLionel Sambuc #define	PTRDIFF_MIN	(-0x7fffffff-1)			/* ptrdiff_t	  */
118*f6aac1c3SLionel Sambuc #define	PTRDIFF_MAX	0x7fffffff			/* ptrdiff_t	  */
119*f6aac1c3SLionel Sambuc 
120*f6aac1c3SLionel Sambuc /* limits of sig_atomic_t */
121*f6aac1c3SLionel Sambuc #define	SIG_ATOMIC_MIN	(-0x7fffffff-1)			/* sig_atomic_t	  */
122*f6aac1c3SLionel Sambuc #define	SIG_ATOMIC_MAX	0x7fffffff			/* sig_atomic_t	  */
123*f6aac1c3SLionel Sambuc 
124*f6aac1c3SLionel Sambuc /* limit of size_t */
125*f6aac1c3SLionel Sambuc #define	SIZE_MAX	0xffffffffU			/* size_t	  */
126*f6aac1c3SLionel Sambuc 
127*f6aac1c3SLionel Sambuc #endif /* !_I386_INT_LIMITS_H_ */
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