williamr@2: /*- williamr@2: * Copyright (c) 1988, 1993 williamr@2: * The Regents of the University of California. All rights reserved. williamr@2: * williamr@2: * Redistribution and use in source and binary forms, with or without williamr@2: * modification, are permitted provided that the following conditions williamr@2: * are met: williamr@2: * 1. Redistributions of source code must retain the above copyright williamr@2: * notice, this list of conditions and the following disclaimer. williamr@2: * 2. Redistributions in binary form must reproduce the above copyright williamr@2: * notice, this list of conditions and the following disclaimer in the williamr@2: * documentation and/or other materials provided with the distribution. williamr@2: * 4. Neither the name of the University nor the names of its contributors williamr@2: * may be used to endorse or promote products derived from this software williamr@2: * without specific prior written permission. williamr@2: * williamr@2: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND williamr@2: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE williamr@2: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE williamr@2: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE williamr@2: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL williamr@2: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS williamr@2: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) williamr@2: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT williamr@2: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY williamr@2: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF williamr@2: * SUCH DAMAGE. williamr@2: * williamr@2: * @(#)limits.h 8.3 (Berkeley) 1/4/94 williamr@2: * $FreeBSD: src/sys/i386/include/_limits.h,v 1.27 2005/01/06 22:18:15 imp Exp $ williamr@2: */ williamr@2: williamr@2: #ifndef _MACHINE__LIMITS_H_ williamr@2: #define _MACHINE__LIMITS_H_ williamr@2: williamr@2: /* williamr@2: * According to ANSI (section 2.2.4.2), the values below must be usable by williamr@2: * #if preprocessing directives. Additionally, the expression must have the williamr@2: * same type as would an expression that is an object of the corresponding williamr@2: * type converted according to the integral promotions. The subtraction for williamr@2: * INT_MIN, etc., is so the value is not unsigned; e.g., 0x80000000 is an williamr@2: * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2). williamr@2: * These numbers are for the default configuration of gcc. They work for williamr@2: * some other compilers as well, but this should not be depended on. williamr@2: */ williamr@2: williamr@2: #define __CHAR_BIT 8 /* number of bits in a char */ williamr@2: williamr@2: #define __SCHAR_MAX 0x7f /* max value for a signed char */ williamr@2: #define __SCHAR_MIN (-0x7f - 1) /* min value for a signed char */ williamr@2: williamr@2: #define __UCHAR_MAX 0xff /* max value for an unsigned char */ williamr@2: williamr@2: #define __USHRT_MAX 0xffff /* max value for an unsigned short */ williamr@2: #define __SHRT_MAX 0x7fff /* max value for a short */ williamr@2: #define __SHRT_MIN (-0x7fff - 1) /* min value for a short */ williamr@2: williamr@2: #define __UINT_MAX 0xffffffffU /* max value for an unsigned int */ williamr@2: #define __INT_MAX 0x7fffffff /* max value for an int */ williamr@2: #define __INT_MIN (-0x7fffffff - 1) /* min value for an int */ williamr@2: williamr@2: /* Bad hack for gcc configured to give 64-bit longs. */ williamr@2: #ifdef _LARGE_LONG williamr@2: #define __ULONG_MAX 0xffffffffffffffffUL williamr@2: #define __LONG_MAX 0x7fffffffffffffffL williamr@2: #define __LONG_MIN (-0x7fffffffffffffffL - 1) williamr@2: #else williamr@2: #define __ULONG_MAX 0xffffffffUL /* max value for an unsigned long */ williamr@2: #define __LONG_MAX 0x7fffffffL /* max value for a long */ williamr@2: #define __LONG_MIN (-0x7fffffffL - 1) /* min value for a long */ williamr@2: #endif williamr@2: williamr@2: /* max value for an unsigned long long */ williamr@2: #define __ULLONG_MAX 0xffffffffffffffffULL williamr@2: #define __LLONG_MAX 0x7fffffffffffffffLL /* max value for a long long */ williamr@2: #define __LLONG_MIN (-0x7fffffffffffffffLL - 1) /* min for a long long */ williamr@2: williamr@2: #define __SSIZE_MAX __INT_MAX /* max value for a ssize_t */ williamr@2: williamr@2: #define __SIZE_T_MAX __UINT_MAX /* max value for a size_t */ williamr@2: williamr@2: #define __OFF_MAX __LLONG_MAX /* max value for an off_t */ williamr@2: #define __OFF_MIN __LLONG_MIN /* min value for an off_t */ williamr@2: williamr@2: /* Quads and long longs are the same size. Ensure they stay in sync. */ williamr@2: #define __UQUAD_MAX __ULLONG_MAX /* max value for a uquad_t */ williamr@2: #define __QUAD_MAX __LLONG_MAX /* max value for a quad_t */ williamr@2: #define __QUAD_MIN __LLONG_MIN /* min value for a quad_t */ williamr@2: williamr@2: #ifdef _LARGE_LONG williamr@2: #define __LONG_BIT 64 williamr@2: #else williamr@2: #define __LONG_BIT 32 williamr@2: #endif williamr@2: #define __WORD_BIT 32 williamr@2: williamr@2: #endif /* !_MACHINE__LIMITS_H_ */