1139825Simp/*- 280708Sjake * Copyright (c) 1988, 1993 380708Sjake * The Regents of the University of California. All rights reserved. 480708Sjake * 580708Sjake * Redistribution and use in source and binary forms, with or without 680708Sjake * modification, are permitted provided that the following conditions 780708Sjake * are met: 880708Sjake * 1. Redistributions of source code must retain the above copyright 980708Sjake * notice, this list of conditions and the following disclaimer. 1080708Sjake * 2. Redistributions in binary form must reproduce the above copyright 1180708Sjake * notice, this list of conditions and the following disclaimer in the 1280708Sjake * documentation and/or other materials provided with the distribution. 1380708Sjake * 1480708Sjake * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 1580708Sjake * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1680708Sjake * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1780708Sjake * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 1880708Sjake * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1980708Sjake * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2080708Sjake * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2180708Sjake * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2280708Sjake * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2380708Sjake * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2480708Sjake * SUCH DAMAGE. 2580708Sjake * 2680708Sjake * @(#)limits.h 8.3 (Berkeley) 1/4/94 2780708Sjake * $FreeBSD$ 2880708Sjake */ 2980708Sjake 30113941Skan#ifndef _MACHINE__LIMITS_H_ 31113941Skan#define _MACHINE__LIMITS_H_ 3280708Sjake 33114678Skan/* 34114678Skan * According to ANSI (section 2.2.4.2), the values below must be usable by 35114678Skan * #if preprocessing directives. Additionally, the expression must have the 36114678Skan * same type as would an expression that is an object of the corresponding 37114678Skan * type converted according to the integral promotions. The subtraction for 38114678Skan * INT_MIN, etc., is so the value is not unsigned; e.g., 0x80000000 is an 39114678Skan * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2). 40114678Skan */ 41114678Skan 42115164Skan#define __CHAR_BIT 8 /* number of bits in a char */ 43115164Skan 44113941Skan#define __SCHAR_MAX 0x7f /* max value for a signed char */ 45113941Skan#define __SCHAR_MIN (-0x7f-1) /* min value for a signed char */ 4680708Sjake 47217145Stijl#define __UCHAR_MAX 0xff /* max value for an unsigned char */ 4880708Sjake 49217145Stijl#define __USHRT_MAX 0xffff /* 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 */ 5280708Sjake 53217145Stijl#define __UINT_MAX 0xffffffff /* 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 */ 5680708Sjake 57217145Stijl#define __ULONG_MAX 0xffffffffffffffff /* max for an unsigned long */ 58217145Stijl#define __LONG_MAX 0x7fffffffffffffff /* max for a long */ 59217145Stijl#define __LONG_MIN (-0x7fffffffffffffff-1) /* min for a long */ 6080708Sjake 61217145Stijl/* Long longs have the same size but not the same type as longs. */ 6280708Sjake /* 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 */ 6680708Sjake 67113941Skan#define __SSIZE_MAX __LONG_MAX /* max value for a ssize_t */ 6880708Sjake 69113941Skan#define __SIZE_T_MAX __ULONG_MAX /* max value for a size_t */ 7080708Sjake 71113941Skan#define __OFF_MAX __LONG_MAX /* max value for an off_t */ 72113941Skan#define __OFF_MIN __LONG_MIN /* min value for an off_t */ 7381720Sache 74149327Sstefanf/* Quads and longs are the same size. 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 */ 7880708Sjake 79113941Skan#define __LONG_BIT 64 80113941Skan#define __WORD_BIT 32 8180708Sjake 82149337Sstefanf/* Minimum signal stack size. */ 83149337Sstefanf#define __MINSIGSTKSZ (1024 * 4) 84149337Sstefanf 85113941Skan#endif /* !_MACHINE__LIMITS_H_ */ 86