1*a9643ea8Slogwang /*- 2*a9643ea8Slogwang * Copyright (c) 1988, 1993 3*a9643ea8Slogwang * The Regents of the University of California. All rights reserved. 4*a9643ea8Slogwang * 5*a9643ea8Slogwang * Redistribution and use in source and binary forms, with or without 6*a9643ea8Slogwang * modification, are permitted provided that the following conditions 7*a9643ea8Slogwang * are met: 8*a9643ea8Slogwang * 1. Redistributions of source code must retain the above copyright 9*a9643ea8Slogwang * notice, this list of conditions and the following disclaimer. 10*a9643ea8Slogwang * 2. Redistributions in binary form must reproduce the above copyright 11*a9643ea8Slogwang * notice, this list of conditions and the following disclaimer in the 12*a9643ea8Slogwang * documentation and/or other materials provided with the distribution. 13*a9643ea8Slogwang * 14*a9643ea8Slogwang * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 15*a9643ea8Slogwang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*a9643ea8Slogwang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*a9643ea8Slogwang * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 18*a9643ea8Slogwang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*a9643ea8Slogwang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*a9643ea8Slogwang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*a9643ea8Slogwang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*a9643ea8Slogwang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*a9643ea8Slogwang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*a9643ea8Slogwang * SUCH DAMAGE. 25*a9643ea8Slogwang * 26*a9643ea8Slogwang * @(#)limits.h 8.3 (Berkeley) 1/4/94 27*a9643ea8Slogwang * $FreeBSD$ 28*a9643ea8Slogwang */ 29*a9643ea8Slogwang 30*a9643ea8Slogwang #ifndef _MACHINE__LIMITS_H_ 31*a9643ea8Slogwang #define _MACHINE__LIMITS_H_ 32*a9643ea8Slogwang 33*a9643ea8Slogwang /* 34*a9643ea8Slogwang * According to ANSI (section 2.2.4.2), the values below must be usable by 35*a9643ea8Slogwang * #if preprocessing directives. Additionally, the expression must have the 36*a9643ea8Slogwang * same type as would an expression that is an object of the corresponding 37*a9643ea8Slogwang * type converted according to the integral promotions. The subtraction for 38*a9643ea8Slogwang * INT_MIN, etc., is so the value is not unsigned; e.g., 0x80000000 is an 39*a9643ea8Slogwang * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2). 40*a9643ea8Slogwang */ 41*a9643ea8Slogwang 42*a9643ea8Slogwang #define __CHAR_BIT 8 /* number of bits in a char */ 43*a9643ea8Slogwang 44*a9643ea8Slogwang #define __SCHAR_MAX 0x7f /* max value for a signed char */ 45*a9643ea8Slogwang #define __SCHAR_MIN (-0x7f - 1) /* min value for a signed char */ 46*a9643ea8Slogwang 47*a9643ea8Slogwang #define __UCHAR_MAX 0xff /* max value for an unsigned char */ 48*a9643ea8Slogwang 49*a9643ea8Slogwang #define __USHRT_MAX 0xffff /* max value for an unsigned short */ 50*a9643ea8Slogwang #define __SHRT_MAX 0x7fff /* max value for a short */ 51*a9643ea8Slogwang #define __SHRT_MIN (-0x7fff - 1) /* min value for a short */ 52*a9643ea8Slogwang 53*a9643ea8Slogwang #define __UINT_MAX 0xffffffff /* max value for an unsigned int */ 54*a9643ea8Slogwang #define __INT_MAX 0x7fffffff /* max value for an int */ 55*a9643ea8Slogwang #define __INT_MIN (-0x7fffffff - 1) /* min value for an int */ 56*a9643ea8Slogwang 57*a9643ea8Slogwang #define __ULONG_MAX 0xffffffffffffffffUL /* max for an unsigned long */ 58*a9643ea8Slogwang #define __LONG_MAX 0x7fffffffffffffffL /* max for a long */ 59*a9643ea8Slogwang #define __LONG_MIN (-0x7fffffffffffffffL - 1) /* min for a long */ 60*a9643ea8Slogwang 61*a9643ea8Slogwang /* Long longs have the same size but not the same type as longs. */ 62*a9643ea8Slogwang /* max for an unsigned long long */ 63*a9643ea8Slogwang #define __ULLONG_MAX 0xffffffffffffffffULL 64*a9643ea8Slogwang #define __LLONG_MAX 0x7fffffffffffffffLL /* max for a long long */ 65*a9643ea8Slogwang #define __LLONG_MIN (-0x7fffffffffffffffLL - 1) /* min for a long long */ 66*a9643ea8Slogwang 67*a9643ea8Slogwang #define __SSIZE_MAX __LONG_MAX /* max value for a ssize_t */ 68*a9643ea8Slogwang 69*a9643ea8Slogwang #define __SIZE_T_MAX __ULONG_MAX /* max value for a size_t */ 70*a9643ea8Slogwang 71*a9643ea8Slogwang #define __OFF_MAX __LONG_MAX /* max value for an off_t */ 72*a9643ea8Slogwang #define __OFF_MIN __LONG_MIN /* min value for an off_t */ 73*a9643ea8Slogwang 74*a9643ea8Slogwang /* Quads and longs are the same size. Ensure they stay in sync. */ 75*a9643ea8Slogwang #define __UQUAD_MAX (__ULONG_MAX) /* max value for a uquad_t */ 76*a9643ea8Slogwang #define __QUAD_MAX (__LONG_MAX) /* max value for a quad_t */ 77*a9643ea8Slogwang #define __QUAD_MIN (__LONG_MIN) /* min value for a quad_t */ 78*a9643ea8Slogwang 79*a9643ea8Slogwang #define __LONG_BIT 64 80*a9643ea8Slogwang #define __WORD_BIT 32 81*a9643ea8Slogwang 82*a9643ea8Slogwang /* Minimum signal stack size. */ 83*a9643ea8Slogwang #define __MINSIGSTKSZ (1024 * 4) 84*a9643ea8Slogwang 85*a9643ea8Slogwang #endif /* !_MACHINE__LIMITS_H_ */ 86