2/* From: NetBSD: limits.h,v 1.3 1997/04/06 08:47:31 cgd Exp */ 3 4/* 5 * Copyright (c) 1988, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)limits.h 8.3 (Berkeley) 1/4/94 37 */ 38 39#define CHAR_BIT 8 /* number of bits in a char */ 40 41/* 42 * According to ANSI (section 2.2.4.2), the values below must be usable by 43 * #if preprocessing directives. Additionally, the expression must have the 44 * same type as would an expression that is an object of the corresponding 45 * type converted according to the integral promotions. The subtraction for 46 * INT_MIN, etc., is so the value is not unsigned; e.g., 0x80000000 is an 47 * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2). 48 * These numbers are for the default configuration of gcc. They work for 49 * some other compilers as well, but this should not be depended on. 50 */ 51#define SCHAR_MAX 0x7f /* max value for a signed char */ 52#define SCHAR_MIN (-0x7f-1) /* min value for a signed char */ 53 54#define UCHAR_MAX 0xffU /* max value for an unsigned char */ 55#define CHAR_MAX 0x7f /* max value for a char */ 56#define CHAR_MIN (-0x7f-1) /* min value for a char */ 57 58#define USHRT_MAX 0xffffU /* max value for an unsigned short */ 59#define SHRT_MAX 0x7fff /* max value for a short */ 60#define SHRT_MIN (-0x7fff-1) /* min value for a short */ 61 62#define UINT_MAX 0xffffffffU /* max value for an unsigned int */ 63#define INT_MAX 0x7fffffff /* max value for an int */ 64#define INT_MIN (-0x7fffffff-1) /* min value for an int */ 65 66#define ULONG_MAX 0xffffffffffffffffUL /* max for an unsigned long */ 67#define LONG_MAX 0x7fffffffffffffffL /* max for a long */ 68#define LONG_MIN (-0x7fffffffffffffffL-1) /* min for a long */ 69 70/* Long longs and longs are the same size on the IA-64. */ 71 /* max for an unsigned long long */ 72#define ULLONG_MAX 0xffffffffffffffffULL 73#define LLONG_MAX 0x7fffffffffffffffLL /* max for a long long */ 74#define LLONG_MIN (-0x7fffffffffffffffLL-1) /* min for a long long */ 75 76#if !defined(_ANSI_SOURCE) 77#define SSIZE_MAX LONG_MAX /* max value for a ssize_t */ 78 79#if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE) 80#define SIZE_T_MAX ULONG_MAX /* max value for a size_t */ 81
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