limits.h revision 1.7
11.7Spk/*	$NetBSD: limits.h,v 1.7 1996/01/05 18:10:57 pk Exp $ */
21.6Sderaadt
31.1Sderaadt/*
41.1Sderaadt * Copyright (c) 1988 The Regents of the University of California.
51.1Sderaadt * All rights reserved.
61.1Sderaadt *
71.1Sderaadt * Redistribution and use in source and binary forms, with or without
81.1Sderaadt * modification, are permitted provided that the following conditions
91.1Sderaadt * are met:
101.1Sderaadt * 1. Redistributions of source code must retain the above copyright
111.1Sderaadt *    notice, this list of conditions and the following disclaimer.
121.1Sderaadt * 2. Redistributions in binary form must reproduce the above copyright
131.1Sderaadt *    notice, this list of conditions and the following disclaimer in the
141.1Sderaadt *    documentation and/or other materials provided with the distribution.
151.1Sderaadt * 3. All advertising materials mentioning features or use of this software
161.1Sderaadt *    must display the following acknowledgement:
171.1Sderaadt *	This product includes software developed by the University of
181.1Sderaadt *	California, Berkeley and its contributors.
191.1Sderaadt * 4. Neither the name of the University nor the names of its contributors
201.1Sderaadt *    may be used to endorse or promote products derived from this software
211.1Sderaadt *    without specific prior written permission.
221.1Sderaadt *
231.1Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
241.1Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
251.1Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
261.1Sderaadt * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
271.1Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
281.1Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
291.1Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
301.1Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
311.1Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
321.1Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
331.1Sderaadt * SUCH DAMAGE.
341.1Sderaadt *
351.6Sderaadt *	@(#)limits.h	8.3 (Berkeley) 1/4/94
361.1Sderaadt */
371.1Sderaadt
381.1Sderaadt#define	CHAR_BIT	8		/* number of bits in a char */
391.1Sderaadt#define	MB_LEN_MAX	1		/* no multibyte characters */
401.1Sderaadt
411.3Spk#define	SCHAR_MIN	(-0x7f-1)	/* max value for a signed char */
421.1Sderaadt#define	SCHAR_MAX	0x7f		/* min value for a signed char */
431.1Sderaadt
441.7Spk#define	UCHAR_MAX	0xffU		/* max value for an unsigned char */
451.1Sderaadt#define	CHAR_MAX	0x7f		/* max value for a char */
461.3Spk#define	CHAR_MIN	(-0x7f-1)	/* min value for a char */
471.1Sderaadt
481.7Spk#define	USHRT_MAX	0xffffU		/* max value for an unsigned short */
491.1Sderaadt#define	SHRT_MAX	0x7fff		/* max value for a short */
501.3Spk#define	SHRT_MIN	(-0x7fff-1)	/* min value for a short */
511.1Sderaadt
521.7Spk#define	UINT_MAX	0xffffffffU	/* max value for an unsigned int */
531.1Sderaadt#define	INT_MAX		0x7fffffff	/* max value for an int */
541.3Spk#define	INT_MIN		(-0x7fffffff-1)	/* min value for an int */
551.1Sderaadt
561.7Spk#define	ULONG_MAX	0xffffffffUL	/* max value for an unsigned long */
571.7Spk#define	LONG_MAX	0x7fffffffL	/* max value for a long */
581.7Spk#define	LONG_MIN	(-0x7fffffffL-1)	/* min value for a long */
591.2Sderaadt
601.4Sderaadt#if !defined(_ANSI_SOURCE)
611.4Sderaadt#define	SSIZE_MAX	INT_MAX		/* max value for a ssize_t */
621.2Sderaadt
631.5Sjtc#if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)
641.4Sderaadt#define	SIZE_T_MAX	UINT_MAX	/* max value for a size_t */
651.4Sderaadt
661.4Sderaadt/* GCC requires that quad constants be written as expressions. */
671.4Sderaadt#define	UQUAD_MAX	((u_quad_t)0-1)	/* max value for a uquad_t */
681.4Sderaadt					/* max value for a quad_t */
691.4Sderaadt#define	QUAD_MAX	((quad_t)(UQUAD_MAX >> 1))
701.4Sderaadt#define	QUAD_MIN	(-QUAD_MAX-1)	/* min value for a quad_t */
711.4Sderaadt
721.5Sjtc#endif /* !_POSIX_SOURCE && !_XOPEN_SOURCE */
731.4Sderaadt#endif /* !_ANSI_SOURCE */
741.5Sjtc
751.5Sjtc#if (!defined(_ANSI_SOURCE)&&!defined(_POSIX_SOURCE)) || defined(_XOPEN_SOURCE)
761.5Sjtc#define LONG_BIT	32
771.5Sjtc#define WORD_BIT	32
781.5Sjtc
791.5Sjtc#define DBL_DIG		15
801.5Sjtc#define DBL_MAX		1.7976931348623157E+308
811.5Sjtc#define DBL_MIN		2.2250738585072014E-308
821.5Sjtc
831.5Sjtc#define FLT_DIG		6
841.5Sjtc#define FLT_MAX		3.40282347E+38F
851.5Sjtc#define FLT_MIN		1.17549435E-38F
861.5Sjtc#endif
87