/* * 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. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * 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: src/sys/i386/include/limits.h,v 1.14.2.2 2000/11/05 09:21:42 obrien Exp $ */ #ifndef _CPU_LIMITS_H_ #define _CPU_LIMITS_H_ #include <sys/cdefs.h> #define CHAR_BIT 8 /* number of bits in a char */ #define MB_LEN_MAX 6 /* Allow 31 bit UTF2 */ /* * 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). * These numbers are for the default configuration of gcc. They work for * some other compilers as well, but this should not be depended on. */ #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 */ #ifdef __CHAR_UNSIGNED__ #define CHAR_MAX UCHAR_MAX /* max value for a char */ #define CHAR_MIN 0 /* min value for a char */ #else #define CHAR_MAX SCHAR_MAX /* max value for a char */ #define CHAR_MIN SCHAR_MIN /* min value for a char */ #endif #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 0xffffffffU /* 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 */ #if defined(__x86_64__) #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 */ #ifdef __LONG_LONG_SUPPORTED #define ULLONG_MAX 0xffffffffffffffffULL /* max value for an unsigned long long */ #define LLONG_MAX 0x7fffffffffffffffLL /* max value for a long long */ #define LLONG_MIN (-0x7fffffffffffffffLL - 1) /* min for a long long */ #endif #elif defined(__i386__) #define ULONG_MAX 0xffffffffUL /* max for an unsigned long */ #define LONG_MAX 0x7fffffffUL /* max for a long */ #define LONG_MIN (-0x7fffffffL - 1) /* min for a long */ #ifdef __LONG_LONG_SUPPORTED #define ULLONG_MAX 0xffffffffULL /* max value for an unsigned long long */ #define LLONG_MAX 0x7fffffffLL /* max value for a long long */ #define LLONG_MIN (-0x7fffffffLL - 1) /* min for a long long */ #endif #endif #if __POSIX_VISIBLE || __XSI_VISIBLE #define SSIZE_MAX LONG_MAX /* max value for a ssize_t */ #endif #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE #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 */ #endif #if __BSD_VISIBLE #define GID_MAX UINT_MAX /* max value for a gid_t */ #define UID_MAX UINT_MAX /* max value for a uid_t */ /* Quads and long longs are the same size. Ensure they stay in sync. */ #define UQUAD_MAX ULLONG_MAX /* max value for a uquad_t */ #define QUAD_MAX LLONG_MAX /* max value for a quad_t */ #define QUAD_MIN LLONG_MIN /* min value for a quad_t */ #endif #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809 #if defined(__x86_64__) #define LONG_BIT 64 #elif defined(__i386__) #define LONG_BIT 32 #endif #define WORD_BIT 32 #endif #endif /* !_CPU_LIMITS_H_ */
