11.25Schristos/*	$NetBSD: limits.h,v 1.25 2024/03/16 21:50:47 christos 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.
151.15Sagc * 3. Neither the name of the University nor the names of its contributors
161.1Sderaadt *    may be used to endorse or promote products derived from this software
171.1Sderaadt *    without specific prior written permission.
181.1Sderaadt *
191.1Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
201.1Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
211.1Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
221.1Sderaadt * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
231.1Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
241.1Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
251.1Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
261.1Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
271.1Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
281.1Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
291.1Sderaadt * SUCH DAMAGE.
301.1Sderaadt *
311.6Sderaadt *	@(#)limits.h	8.3 (Berkeley) 1/4/94
321.1Sderaadt */
331.1Sderaadt
341.8Sperry#ifndef	_MACHINE_LIMITS_H_
351.8Sperry#define	_MACHINE_LIMITS_H_
361.8Sperry
371.14Sbjh21#include <sys/featuretest.h>
381.14Sbjh21
391.1Sderaadt#define	CHAR_BIT	8		/* number of bits in a char */
401.1Sderaadt
411.17Sdrochner#define	UCHAR_MAX	0xff		/* max value for an unsigned char */
421.20Schristos#define	SCHAR_MAX	0x7f		/* max value for a signed char */
431.20Schristos#define	SCHAR_MIN	(-0x7f-1)	/* min value for a signed char */
441.1Sderaadt
451.17Sdrochner#define	USHRT_MAX	0xffff		/* max value for an unsigned short */
461.1Sderaadt#define	SHRT_MAX	0x7fff		/* max value for a short */
471.3Spk#define	SHRT_MIN	(-0x7fff-1)	/* min value for a short */
481.1Sderaadt
491.7Spk#define	UINT_MAX	0xffffffffU	/* max value for an unsigned int */
501.1Sderaadt#define	INT_MAX		0x7fffffff	/* max value for an int */
511.3Spk#define	INT_MIN		(-0x7fffffff-1)	/* min value for an int */
521.10Smrg
531.10Smrg#ifdef __arch64__
541.10Smrg#define	ULONG_MAX	0xffffffffffffffffUL	/* max value for an unsigned long */
551.10Smrg#define	LONG_MAX	0x7fffffffffffffffL	/* max value for a long */
561.10Smrg#define	LONG_MIN	(-0x7fffffffffffffffL-1)	/* min value for a long */
571.10Smrg#else
581.7Spk#define	ULONG_MAX	0xffffffffUL	/* max value for an unsigned long */
591.7Spk#define	LONG_MAX	0x7fffffffL	/* max value for a long */
601.7Spk#define	LONG_MIN	(-0x7fffffffL-1)	/* min value for a long */
611.10Smrg#endif
621.2Sderaadt
631.14Sbjh21#if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
641.14Sbjh21    defined(_NETBSD_SOURCE)
651.11Skleink#define	ULLONG_MAX	0xffffffffffffffffULL	/* max unsigned long long */
661.11Skleink#define	LLONG_MAX	0x7fffffffffffffffLL	/* max signed long long */
671.11Skleink#define	LLONG_MIN	(-0x7fffffffffffffffLL-1) /* min signed long long */
681.11Skleink#endif
691.2Sderaadt
701.23Sdholland#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
711.23Sdholland    defined(_NETBSD_SOURCE)
721.23Sdholland#define	SSIZE_MAX	LONG_MAX	/* max value for a ssize_t */
731.23Sdholland
741.14Sbjh21#if defined(_NETBSD_SOURCE)
751.21Schristos#define	SSIZE_MIN	LONG_MIN	/* min value for a ssize_t */
761.10Smrg#define	SIZE_T_MAX	ULONG_MAX	/* max value for a size_t */
771.4Sderaadt
781.25Schristos#define	UQUAD_MAX	0xffffffffffffffffULL		/* max unsigned quad */
791.25Schristos#define	QUAD_MAX	0x7fffffffffffffffLL		/* max signed quad */
801.25Schristos#define	QUAD_MIN	(-0x7fffffffffffffffLL-1)	/* min signed quad */
811.4Sderaadt
821.14Sbjh21#endif /* _NETBSD_SOURCE */
831.14Sbjh21#endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
841.5Sjtc
851.14Sbjh21#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
861.10Smrg#ifdef __arch64__
871.10Smrg#define LONG_BIT	64
881.10Smrg#else
891.5Sjtc#define LONG_BIT	32
901.10Smrg#endif
911.5Sjtc#define WORD_BIT	32
921.5Sjtc
931.22Smatt#define DBL_DIG		__DBL_DIG__
941.22Smatt#define DBL_MAX		__DBL_MAX__
951.22Smatt#define DBL_MIN		__DBL_MIN__
961.22Smatt
971.22Smatt#define FLT_DIG		__FLT_DIG__
981.22Smatt#define FLT_MAX		__FLT_MAX__
991.22Smatt#define FLT_MIN		__FLT_MIN__
1001.5Sjtc#endif
1011.8Sperry
1021.10Smrg#endif	/* _MACHINE_LIMITS_H_ */
103