xref: /minix3/sys/arch/i386/include/limits.h (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1 /*	$NetBSD: limits.h,v 1.25 2014/04/21 10:53:47 matt Exp $	*/
2 
3 /*
4  * Copyright (c) 1988 The Regents of the University of California.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
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  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)limits.h	7.2 (Berkeley) 6/28/90
32  */
33 
34 #ifndef	_I386_LIMITS_H_
35 #define	_I386_LIMITS_H_
36 
37 #include <sys/featuretest.h>
38 
39 #define	CHAR_BIT	8		/* number of bits in a char */
40 
41 #define	UCHAR_MAX	0xff		/* max value for an unsigned char */
42 #define	SCHAR_MAX	0x7f		/* max value for a signed char */
43 #define SCHAR_MIN	(-0x7f-1)	/* min value for a signed char */
44 
45 #define	USHRT_MAX	0xffff		/* max value for an unsigned short */
46 #define	SHRT_MAX	0x7fff		/* max value for a short */
47 #define SHRT_MIN        (-0x7fff-1)     /* min value for a short */
48 
49 #define	UINT_MAX	0xffffffffU	/* max value for an unsigned int */
50 #define	INT_MAX		0x7fffffff	/* max value for an int */
51 #define	INT_MIN		(-0x7fffffff-1)	/* min value for an int */
52 
53 #define	ULONG_MAX	0xffffffffUL	/* max value for an unsigned long */
54 #define	LONG_MAX	0x7fffffffL	/* max value for a long */
55 #define	LONG_MIN	(-0x7fffffffL-1)	/* min value for a long */
56 
57 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
58     defined(_NETBSD_SOURCE)
59 #define	SSIZE_MAX	INT_MAX		/* max value for a ssize_t */
60 
61 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
62     defined(_NETBSD_SOURCE)
63 #define	ULLONG_MAX	0xffffffffffffffffULL	/* max unsigned long long */
64 #define	LLONG_MAX	0x7fffffffffffffffLL	/* max signed long long */
65 #define	LLONG_MIN	(-0x7fffffffffffffffLL-1) /* min signed long long */
66 #endif
67 
68 #if defined(_NETBSD_SOURCE)
69 #define	SSIZE_MIN	INT_MIN		/* min value for a ssize_t */
70 #define	SIZE_T_MAX	UINT_MAX	/* max value for a size_t */
71 
72 #define	UQUAD_MAX	0xffffffffffffffffULL		/* max unsigned quad */
73 #define	QUAD_MAX	0x7fffffffffffffffLL		/* max signed quad */
74 #define	QUAD_MIN	(-0x7fffffffffffffffLL-1)	/* min signed quad */
75 
76 #endif /* _NETBSD_SOURCE */
77 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
78 
79 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
80 #define LONG_BIT	32
81 #define WORD_BIT	32
82 
83 #define DBL_DIG		__DBL_DIG__
84 #define DBL_MAX		__DBL_MAX__
85 #define DBL_MIN		__DBL_MIN__
86 
87 #define FLT_DIG		__FLT_DIG__
88 #define FLT_MAX		__FLT_MAX__
89 #define FLT_MIN		__FLT_MIN__
90 #endif
91 
92 #endif /* _I386_LIMITS_H_ */
93