/* $NetBSD: limits.h,v 1.17 2019/04/16 12:25:17 skrll Exp $ */ /* $OpenBSD: limits.h,v 1.2 2000/07/31 20:06:02 millert Exp $ */ /* * Copyright (c) 1992-1994, The University of Utah and * the Computer Systems Laboratory at the University of Utah (CSL). * All rights reserved. * * Permission to use, copy, modify and distribute this software is hereby * granted provided that (1) source code retains these copyright, permission, * and disclaimer notices, and (2) redistributions including binaries * reproduce the notices in supporting documentation, and (3) all advertising * materials mentioning features or use of this software display the following * acknowledgement: ``This product includes software developed by the * Computer Systems Laboratory at the University of Utah.'' * * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * CSL requests users of this software to return to csl-dist@cs.utah.edu any * improvements that they make and grant CSL redistribution rights. * * Utah $Hdr: limits.h 1.6 94/12/16$ */ /* * Copyright (c) 1988, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)limits.h 8.3 (Berkeley) 1/4/94 */ #ifndef _MACHINE_LIMITS_H_ #define _MACHINE_LIMITS_H_ #include <sys/featuretest.h> #define CHAR_BIT 8 /* number of bits in a char */ /* * According to ANSI (section 2.2.4.2), the values below must be usable by * #if preprocessing directives. Additionally, the expression must have the * same type as would an expression that is an object of the corresponding * type converted according to the integral promotions. The subtraction for * INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2). * These numbers work for pcc as well. The UINT_MAX and ULONG_MAX values * are written as hex so that GCC will be quiet about large integer constants. */ #define UCHAR_MAX 0xff /* max value for an unsigned char */ #define SCHAR_MAX 0x7f /* max value for a signed char */ #define SCHAR_MIN (-0x7f-1) /* min value for a signed char */ #define USHRT_MAX 0xffff /* max value for an unsigned short */ #define SHRT_MAX 0x7fff /* max value for a short */ #define SHRT_MIN (-0x7fff-1) /* min value for a short */ #define UINT_MAX 0xffffffffU /* max value for an unsigned int */ #define INT_MAX 0x7fffffff /* max value for an int */ #define INT_MIN (-0x7fffffff-1) /* min value for an int */ #define ULONG_MAX 0xffffffffUL /* max value for an unsigned long */ #define LONG_MAX 0x7fffffffL /* max value for a long */ #define LONG_MIN (-0x7fffffffL-1) /* min value for a long */ #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \ defined(_NETBSD_SOURCE) #define ULLONG_MAX 0xffffffffffffffffULL /* max unsigned long long */ #define LLONG_MAX 0x7fffffffffffffffLL /* max signed long long */ #define LLONG_MIN (-0x7fffffffffffffffLL-1) /* min signed long long */ #endif #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ defined(_NETBSD_SOURCE) #define SSIZE_MAX INT_MAX /* max value for a ssize_t */ #if defined(_NETBSD_SOURCE) #define SSIZE_MIN INT_MIN /* min value for a ssize_t */ #define SIZE_T_MAX UINT_MAX /* max value for a size_t */ #define UQUAD_MAX 0xffffffffffffffffULL /* max unsigned quad */ #define QUAD_MAX 0x7fffffffffffffffLL /* max signed quad */ #define QUAD_MIN (-0x7fffffffffffffffLL-1) /* min signed quad */ #endif /* _NETBSD_SOURCE */ #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) #define LONG_BIT 32 #define WORD_BIT 32 #ifndef DBL_DIG #ifdef __DBL_DIG__ #define DBL_DIG __DBL_DIG__ #else #define DBL_DIG 15 #endif #endif #ifndef DBL_MAX #ifdef __DBL_MAX__ #define DBL_MAX __DBL_MAX__ #else #define DBL_MAX 1.7976931348623157E+308 #endif #endif #ifndef DBL_MIN #ifdef __DBL_MIN__ #define DBL_MIN __DBL_MIN__ #else #define DBL_MIN 2.2250738585072014E-308 #endif #endif #ifndef FLT_DIG #ifdef __FLT_DIG__ #define FLT_DIG __FLT_DIG__ #else #define FLT_DIG 6 #endif #endif #ifndef FLT_MAX #ifdef __FLT_MAX__ #define FLT_MAX __FLT_MAX__ #else #define FLT_MAX 3.40282347E+38F #endif #endif #ifndef FLT_MIN #ifdef __FLT_MIN__ #define FLT_MIN __FLT_MIN__ #else #define FLT_MIN 1.17549435E-38F #endif #endif #endif #endif /* _MACHINE_LIMITS_H_ */
