limits.h revision 1.5
11.1Sderaadt/*
21.1Sderaadt * Copyright (c) 1988 The Regents of the University of California.
31.1Sderaadt * All rights reserved.
41.1Sderaadt *
51.1Sderaadt * Redistribution and use in source and binary forms, with or without
61.1Sderaadt * modification, are permitted provided that the following conditions
71.1Sderaadt * are met:
81.1Sderaadt * 1. Redistributions of source code must retain the above copyright
91.1Sderaadt *    notice, this list of conditions and the following disclaimer.
101.1Sderaadt * 2. Redistributions in binary form must reproduce the above copyright
111.1Sderaadt *    notice, this list of conditions and the following disclaimer in the
121.1Sderaadt *    documentation and/or other materials provided with the distribution.
131.1Sderaadt * 3. All advertising materials mentioning features or use of this software
141.1Sderaadt *    must display the following acknowledgement:
151.1Sderaadt *	This product includes software developed by the University of
161.1Sderaadt *	California, Berkeley and its contributors.
171.1Sderaadt * 4. Neither the name of the University nor the names of its contributors
181.1Sderaadt *    may be used to endorse or promote products derived from this software
191.1Sderaadt *    without specific prior written permission.
201.1Sderaadt *
211.1Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
221.1Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
231.1Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
241.1Sderaadt * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
251.1Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
261.1Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
271.1Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
281.1Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
291.1Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
301.1Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
311.1Sderaadt * SUCH DAMAGE.
321.1Sderaadt *
331.1Sderaadt *	from: @(#)limits.h	7.2 (Berkeley) 6/28/90
341.5Sjtc *	$Id: limits.h,v 1.5 1994/10/05 17:16:49 jtc Exp $
351.1Sderaadt */
361.1Sderaadt
371.1Sderaadt#define	CHAR_BIT	8		/* number of bits in a char */
381.1Sderaadt#define	MB_LEN_MAX	1		/* no multibyte characters */
391.1Sderaadt
401.3Spk#define	SCHAR_MIN	(-0x7f-1)	/* max value for a signed char */
411.1Sderaadt#define	SCHAR_MAX	0x7f		/* min value for a signed char */
421.1Sderaadt
431.1Sderaadt#define	UCHAR_MAX	0xff		/* max value for an unsigned char */
441.1Sderaadt#define	CHAR_MAX	0x7f		/* max value for a char */
451.3Spk#define	CHAR_MIN	(-0x7f-1)	/* min value for a char */
461.1Sderaadt
471.1Sderaadt#define	USHRT_MAX	0xffff		/* max value for an unsigned short */
481.1Sderaadt#define	SHRT_MAX	0x7fff		/* max value for a short */
491.3Spk#define	SHRT_MIN	(-0x7fff-1)	/* min value for a short */
501.1Sderaadt
511.1Sderaadt#define	UINT_MAX	0xffffffff	/* max value for an unsigned int */
521.1Sderaadt#define	INT_MAX		0x7fffffff	/* max value for an int */
531.3Spk#define	INT_MIN		(-0x7fffffff-1)	/* min value for an int */
541.1Sderaadt
551.1Sderaadt#define	ULONG_MAX	0xffffffff	/* max value for an unsigned long */
561.1Sderaadt#define	LONG_MAX	0x7fffffff	/* max value for a long */
571.3Spk#define	LONG_MIN	(-0x7fffffff-1)	/* min value for a long */
581.2Sderaadt
591.4Sderaadt#if !defined(_ANSI_SOURCE)
601.4Sderaadt#define	SSIZE_MAX	INT_MAX		/* max value for a ssize_t */
611.2Sderaadt
621.5Sjtc#if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)
631.4Sderaadt#define	SIZE_T_MAX	UINT_MAX	/* max value for a size_t */
641.4Sderaadt
651.4Sderaadt/* GCC requires that quad constants be written as expressions. */
661.4Sderaadt#define	UQUAD_MAX	((u_quad_t)0-1)	/* max value for a uquad_t */
671.4Sderaadt					/* max value for a quad_t */
681.4Sderaadt#define	QUAD_MAX	((quad_t)(UQUAD_MAX >> 1))
691.4Sderaadt#define	QUAD_MIN	(-QUAD_MAX-1)	/* min value for a quad_t */
701.4Sderaadt
711.5Sjtc#endif /* !_POSIX_SOURCE && !_XOPEN_SOURCE */
721.4Sderaadt#endif /* !_ANSI_SOURCE */
731.5Sjtc
741.5Sjtc#if (!defined(_ANSI_SOURCE)&&!defined(_POSIX_SOURCE)) || defined(_XOPEN_SOURCE)
751.5Sjtc#define LONG_BIT	32
761.5Sjtc#define WORD_BIT	32
771.5Sjtc
781.5Sjtc#define DBL_DIG		15
791.5Sjtc#define DBL_MAX		1.7976931348623157E+308
801.5Sjtc#define DBL_MIN		2.2250738585072014E-308
811.5Sjtc
821.5Sjtc#define FLT_DIG		6
831.5Sjtc#define FLT_MAX		3.40282347E+38F
841.5Sjtc#define FLT_MIN		1.17549435E-38F
851.5Sjtc#endif
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