xref: /netbsd-src/sys/arch/pmax/include/limits.h (revision 38023541164cff097d5fadec63134189b1453b8c)
1 /*
2  * Copyright (c) 1988 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * from: @(#)limits.h	7.6 (Berkeley) 6/25/92
34  * $Id: limits.h,v 1.1.1.1 1993/10/12 03:22:40 deraadt Exp $
35  */
36 
37 #define	CHAR_BIT	8		/* number of bits in a char */
38 #define	MB_LEN_MAX	1		/* no multibyte characters */
39 
40 #define	CLK_TCK		60		/* ticks per second */
41 
42 /*
43  * According to ANSI (section 2.2.4.2), the values below must be usable by
44  * #if preprocessing directives.  Additionally, the expression must have the
45  * same type as would an expression that is an object of the corresponding
46  * type converted according to the integral promotions.  The subtraction for
47  * INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an
48  * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
49  * These numbers work for pcc as well.
50  */
51 #define	SCHAR_MAX	127		/* min value for a signed char */
52 #define	SCHAR_MIN	-128		/* max value for a signed char */
53 
54 #define	UCHAR_MAX	255		/* max value for an unsigned char */
55 #define	CHAR_MAX	127		/* max value for a char */
56 #define	CHAR_MIN	-128		/* min value for a char */
57 
58 #define	USHRT_MAX	65535		/* max value for an unsigned short */
59 #define	SHRT_MAX	32767		/* max value for a short */
60 #define	SHRT_MIN	-32768		/* min value for a short */
61 
62 #define	UINT_MAX	4294967295	/* max value for an unsigned int */
63 #define	INT_MAX		2147483647	/* max value for an int */
64 #define	INT_MIN		(-2147483647-1)	/* min value for an int */
65 
66 #define	ULONG_MAX	4294967295	/* max value for an unsigned long */
67 #define	LONG_MAX	2147483647	/* max value for a long */
68 #define	LONG_MIN	(-2147483647-1)	/* min value for a long */
69 
70 /* Maximum/minimum values for types from <machine/include/ansi.h>. */
71 #ifndef _ANSI_SOURCE
72 
73 /* Quad constants must be written as expressions; #define GCC_ME_HARDER. */
74 #define	UQUAD_MAX	((u_quad_t)0-1)	/* max value for a uquad_t */
75 					/* max value for a quad_t */
76 #define	QUAD_MAX	((quad_t)(UQUAD_MAX >> 1))
77 #define	QUAD_MIN	(-QUAD_MAX-1)	/* min value for a quad_t */
78 
79 #define	SIZE_T_MAX	UINT_MAX
80 #endif
81