/*- * 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. * * 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 * $FreeBSD$ */ #ifndef _MACHINE__LIMITS_H_ #define _MACHINE__LIMITS_H_ /* * 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, etc., is so the value is not unsigned; e.g., 0x80000000 is an * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2). */ #define __CHAR_BIT 8 /* number of bits in a char */ #define __SCHAR_MAX 0x7f /* max value for a signed char */ #define __SCHAR_MIN (-0x7f - 1) /* min value for a signed char */ #define __UCHAR_MAX 0xff /* max value for an unsigned 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 0xffffffff /* 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 0xffffffffffffffffUL /* max for an unsigned long */ #define __LONG_MAX 0x7fffffffffffffffL /* max for a long */ #define __LONG_MIN (-0x7fffffffffffffffL - 1) /* min for a long */ /* Long longs have the same size but not the same type as longs. */ /* max for an unsigned long long */ #define __ULLONG_MAX 0xffffffffffffffffULL #define __LLONG_MAX 0x7fffffffffffffffLL /* max for a long long */ #define __LLONG_MIN (-0x7fffffffffffffffLL - 1) /* min for a long long */ #define __SSIZE_MAX __LONG_MAX /* max value for a ssize_t */ #define __SIZE_T_MAX __ULONG_MAX /* max value for a size_t */ #define __OFF_MAX __LONG_MAX /* max value for an off_t */ #define __OFF_MIN __LONG_MIN /* min value for an off_t */ /* Quads and longs are the same size. Ensure they stay in sync. */ #define __UQUAD_MAX (__ULONG_MAX) /* max value for a uquad_t */ #define __QUAD_MAX (__LONG_MAX) /* max value for a quad_t */ #define __QUAD_MIN (__LONG_MIN) /* min value for a quad_t */ #define __LONG_BIT 64 #define __WORD_BIT 32 /* Minimum signal stack size. */ #define __MINSIGSTKSZ (1024 * 4) #endif /* !_MACHINE__LIMITS_H_ */ |