_limits.h revision 113941
11103Sjbeloro/* 21103Sjbeloro * Copyright (c) 1988, 1993 31103Sjbeloro * The Regents of the University of California. All rights reserved. 41103Sjbeloro * 51103Sjbeloro * Redistribution and use in source and binary forms, with or without 61103Sjbeloro * modification, are permitted provided that the following conditions 71103Sjbeloro * are met: 81103Sjbeloro * 1. Redistributions of source code must retain the above copyright 91103Sjbeloro * notice, this list of conditions and the following disclaimer. 101103Sjbeloro * 2. Redistributions in binary form must reproduce the above copyright 111103Sjbeloro * notice, this list of conditions and the following disclaimer in the 121103Sjbeloro * documentation and/or other materials provided with the distribution. 131103Sjbeloro * 3. All advertising materials mentioning features or use of this software 141103Sjbeloro * must display the following acknowledgement: 151103Sjbeloro * This product includes software developed by the University of 161103Sjbeloro * California, Berkeley and its contributors. 171103Sjbeloro * 4. Neither the name of the University nor the names of its contributors 181103Sjbeloro * may be used to endorse or promote products derived from this software 191103Sjbeloro * without specific prior written permission. 201103Sjbeloro * 211103Sjbeloro * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221103Sjbeloro * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2310207SJames.McPherson@Sun.COM * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241103Sjbeloro * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251103Sjbeloro * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261103Sjbeloro * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271103Sjbeloro * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281103Sjbeloro * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291103Sjbeloro * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301103Sjbeloro * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311103Sjbeloro * SUCH DAMAGE. 321103Sjbeloro * 331103Sjbeloro * @(#)limits.h 8.3 (Berkeley) 1/4/94 341103Sjbeloro * $FreeBSD: head/sys/i386/include/_limits.h 113941 2003-04-23 21:41:59Z kan $ 351103Sjbeloro */ 361103Sjbeloro 371103Sjbeloro#ifndef _MACHINE__LIMITS_H_ 381103Sjbeloro#define _MACHINE__LIMITS_H_ 391103Sjbeloro 401103Sjbeloro#define __CHAR_BIT 8 /* number of bits in a char */ 411103Sjbeloro 421103Sjbeloro#define __SCHAR_MAX 0x7f /* max value for a signed char */ 431103Sjbeloro#define __SCHAR_MIN (-0x7f - 1) /* min value for a signed char */ 441103Sjbeloro 451103Sjbeloro#define __UCHAR_MAX 0xff /* max value for an unsigned char */ 461103Sjbeloro 471103Sjbeloro#define __USHRT_MAX 0xffff /* max value for an unsigned short */ 481103Sjbeloro#define __SHRT_MAX 0x7fff /* max value for a short */ 491103Sjbeloro#define __SHRT_MIN (-0x7fff - 1) /* min value for a short */ 501103Sjbeloro 511103Sjbeloro#define __UINT_MAX 0xffffffffU /* max value for an unsigned int */ 521103Sjbeloro#define __INT_MAX 0x7fffffff /* max value for an int */ 531103Sjbeloro#define __INT_MIN (-0x7fffffff - 1) /* min value for an int */ 541103Sjbeloro 551103Sjbeloro/* Bad hack for gcc configured to give 64-bit longs. */ 561103Sjbeloro#ifdef _LARGE_LONG 571103Sjbeloro#define __ULONG_MAX 0xffffffffffffffffUL 581103Sjbeloro#define __LONG_MAX 0x7fffffffffffffffL 592606Svenki#define __LONG_MIN (-0x7fffffffffffffffL - 1) 602606Svenki#else 612606Svenki#define __ULONG_MAX 0xffffffffUL /* max value for an unsigned long */ 622606Svenki#define __LONG_MAX 0x7fffffffL /* max value for a long */ 632606Svenki#define __LONG_MIN (-0x7fffffffL - 1) /* min value for a long */ 642606Svenki#endif 652606Svenki 661103Sjbeloro /* max value for an unsigned long long */ 671103Sjbeloro#define __ULLONG_MAX 0xffffffffffffffffULL 681103Sjbeloro#define __LLONG_MAX 0x7fffffffffffffffLL /* max value for a long long */ 691103Sjbeloro#define __LLONG_MIN (-0x7fffffffffffffffLL - 1) /* min for a long long */ 701103Sjbeloro 711103Sjbeloro#define __SSIZE_MAX __INT_MAX /* max value for a ssize_t */ 721103Sjbeloro 731103Sjbeloro#define __SIZE_T_MAX __UINT_MAX /* max value for a size_t */ 741103Sjbeloro 751103Sjbeloro#define __OFF_MAX __LLONG_MAX /* max value for an off_t */ 761103Sjbeloro#define __OFF_MIN __LLONG_MIN /* min value for an off_t */ 771103Sjbeloro 781103Sjbeloro/* Quads and long longs are the same size. Ensure they stay in sync. */ 791103Sjbeloro#define __UQUAD_MAX __ULLONG_MAX /* max value for a uquad_t */ 801103Sjbeloro#define __QUAD_MAX __LLONG_MAX /* max value for a quad_t */ 811103Sjbeloro#define __QUAD_MIN __LLONG_MIN /* min value for a quad_t */ 821103Sjbeloro 831103Sjbeloro#ifdef _LARGE_LONG 841103Sjbeloro#define __LONG_BIT 64 851103Sjbeloro#else 861103Sjbeloro#define __LONG_BIT 32 871103Sjbeloro#endif 881103Sjbeloro#define __WORD_BIT 32 891103Sjbeloro 901103Sjbeloro#define __DBL_DIG 15 911103Sjbeloro#define __DBL_MAX 1.7976931348623157E+308 921103Sjbeloro#define __DBL_MIN 2.2250738585072014E-308 931103Sjbeloro 941103Sjbeloro#define __FLT_DIG 6 951103Sjbeloro#define __FLT_MAX 3.40282347E+38F 961103Sjbeloro#define __FLT_MIN 1.17549435E-38F 971103Sjbeloro 981103Sjbeloro#endif /* !_MACHINE__LIMITS_H_ */ 991103Sjbeloro