_limits.h revision 113941
199129Sobrien/* 299129Sobrien * Copyright (c) 1988, 1993 399129Sobrien * The Regents of the University of California. All rights reserved. 499129Sobrien * 599129Sobrien * Redistribution and use in source and binary forms, with or without 699129Sobrien * modification, are permitted provided that the following conditions 799129Sobrien * are met: 899129Sobrien * 1. Redistributions of source code must retain the above copyright 999129Sobrien * notice, this list of conditions and the following disclaimer. 1099129Sobrien * 2. Redistributions in binary form must reproduce the above copyright 1199129Sobrien * notice, this list of conditions and the following disclaimer in the 1299129Sobrien * documentation and/or other materials provided with the distribution. 1399129Sobrien * 3. All advertising materials mentioning features or use of this software 1499129Sobrien * must display the following acknowledgement: 1599129Sobrien * This product includes software developed by the University of 1699129Sobrien * California, Berkeley and its contributors. 1799129Sobrien * 4. Neither the name of the University nor the names of its contributors 1899129Sobrien * may be used to endorse or promote products derived from this software 1999129Sobrien * without specific prior written permission. 2099129Sobrien * 2199129Sobrien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2299129Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2399129Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2499129Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2599129Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2699129Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2799129Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2899129Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2999129Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3099129Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3199129Sobrien * SUCH DAMAGE. 3299129Sobrien * 3399129Sobrien * @(#)limits.h 8.3 (Berkeley) 1/4/94 3499129Sobrien * From: NetBSD: limits.h,v 1.3 1997/04/06 08:47:31 cgd Exp 3599129Sobrien * From: FreeBSD: src/sys/alpha/include/limits.h,v 1.8 2001/11/02 3699129Sobrien * $FreeBSD: head/sys/amd64/include/_limits.h 113941 2003-04-23 21:41:59Z kan $ 3799129Sobrien */ 3899129Sobrien 39113941Skan#ifndef _MACHINE__LIMITS_H_ 40113941Skan#define _MACHINE__LIMITS_H_ 4199129Sobrien 42113941Skan#define __CHAR_BIT 8 /* number of bits in a char */ 4399129Sobrien 44113941Skan#define __SCHAR_MAX 0x7f /* max value for a signed char */ 45113941Skan#define __SCHAR_MIN (-0x7f-1) /* min value for a signed char */ 4699129Sobrien 47113941Skan#define __UCHAR_MAX 0xffU /* max value for an unsigned char */ 4899129Sobrien 49113941Skan#define __USHRT_MAX 0xffffU /* max value for an unsigned short */ 50113941Skan#define __SHRT_MAX 0x7fff /* max value for a short */ 51113941Skan#define __SHRT_MIN (-0x7fff-1) /* min value for a short */ 5299129Sobrien 53113941Skan#define __UINT_MAX 0xffffffffU /* max value for an unsigned int */ 54113941Skan#define __INT_MAX 0x7fffffff /* max value for an int */ 55113941Skan#define __INT_MIN (-0x7fffffff-1) /* min value for an int */ 5699129Sobrien 57113941Skan#define __ULONG_MAX 0xffffffffffffffffUL /* max for an unsigned long */ 58113941Skan#define __LONG_MAX 0x7fffffffffffffffL /* max for a long */ 59113941Skan#define __LONG_MIN (-0x7fffffffffffffffL-1) /* min for a long */ 6099129Sobrien 6199129Sobrien/* Long longs and longs are the same size on the alpha. */ 6299129Sobrien /* max for an unsigned long long */ 63113941Skan#define __ULLONG_MAX 0xffffffffffffffffULL 64113941Skan#define __LLONG_MAX 0x7fffffffffffffffLL /* max for a long long */ 65113941Skan#define __LLONG_MIN (-0x7fffffffffffffffLL-1) /* min for a long long */ 6699129Sobrien 67113941Skan#define __SSIZE_MAX __LONG_MAX /* max value for a ssize_t */ 6899129Sobrien 69113941Skan#define __SIZE_T_MAX __ULONG_MAX /* max value for a size_t */ 7099129Sobrien 71113941Skan#define __OFF_MAX __LONG_MAX /* max value for an off_t */ 72113941Skan#define __OFF_MIN __LONG_MIN /* min value for an off_t */ 7399129Sobrien 74113941Skan/* Quads and longs are the same on the amd64. Ensure they stay in sync. */ 75113941Skan#define __UQUAD_MAX (__ULONG_MAX) /* max value for a uquad_t */ 76113941Skan#define __QUAD_MAX (__LONG_MAX) /* max value for a quad_t */ 77113941Skan#define __QUAD_MIN (__LONG_MIN) /* min value for a quad_t */ 7899129Sobrien 79113941Skan#define __LONG_BIT 64 80113941Skan#define __WORD_BIT 32 8199129Sobrien 82113941Skan#define __DBL_DIG 15 83113941Skan#define __DBL_MAX 1.7976931348623157E+308 84113941Skan#define __DBL_MIN 2.2250738585072014E-308 8599129Sobrien 86113941Skan#define __FLT_DIG 6 87113941Skan#define __FLT_MAX 3.40282347E+38F 88113941Skan#define __FLT_MIN 1.17549435E-38F 8999129Sobrien 90113941Skan#endif /* !_MACHINE__LIMITS_H_ */ 91