1/* $NetBSD: limits.h,v 1.15 2007/10/17 19:56:40 garbled Exp $ */ 2 3/* 4 * Copyright (c) 1988, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)limits.h 8.3 (Berkeley) 1/4/94 32 */ 33 34#ifndef _POWERPC_LIMITS_H_ 35#define _POWERPC_LIMITS_H_ 36 37#include <sys/featuretest.h> 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 and LONG_MIN is so the value is not unsigned; 2147483648 is an 47 * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2). 48 * These numbers work for pcc as well. The UINT_MAX and ULONG_MAX values 49 * are written as hex so that GCC will be quiet about large integer constants. 50 */ 51#define SCHAR_MAX 0x7f /* min value for a signed char */ 52#define SCHAR_MIN (-0x7f-1) /* max value for a signed char */ 53 54#define UCHAR_MAX 0xff /* max value for an unsigned char */ 55#define CHAR_MAX 0xff /* max value for a char */ 56#define CHAR_MIN 0 /* min value for a char */ 57 58#define USHRT_MAX 0xffff /* 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#ifdef _LP64 67#define ULONG_MAX 0xffffffffffffffffUL /* max for an unsigned long */ 68#define LONG_MAX 0x7fffffffffffffffL /* max for a long */ 69#define LONG_MIN (-0x7fffffffffffffffL-1) /* min for a long */ 70#else 71#define ULONG_MAX 0xffffffffUL /* max value for an unsigned long */ 72#define LONG_MAX 0x7fffffffL /* max value for a long */ 73#define LONG_MIN (-0x7fffffff-1) /* min value for a long */ 74#endif 75 76#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 77 defined(_NETBSD_SOURCE) 78#ifdef _LP64 79#define SSIZE_MAX LONG_MAX /* max value for a ssize_t */ 80#else 81#define SSIZE_MAX INT_MAX /* max value for a ssize_t */ 82#endif 83 84#if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \ 85 defined(_NETBSD_SOURCE) 86#define ULLONG_MAX 0xffffffffffffffffULL /* max unsigned long long */ 87#define LLONG_MAX 0x7fffffffffffffffLL /* max signed long long */ 88#define LLONG_MIN (-0x7fffffffffffffffLL-1) /* min signed long long */ 89#endif 90 91#if defined(_NETBSD_SOURCE) 92#ifdef _LP64 93#define SIZE_T_MAX ULONG_MAX /* max value for a size_t */ 94#else 95#define SIZE_T_MAX UINT_MAX /* max value for a size_t */ 96#endif 97 98#ifdef _LP64 99/* Quads and longs are the same on LP64. */ 100#define UQUAD_MAX (ULONG_MAX) 101#define QUAD_MAX (LONG_MAX) 102#define QUAD_MIN (LONG_MIN) 103#else 104/* GCC requires that quad constants be written as expressions. */ 105#define UQUAD_MAX ((u_quad_t)0-1) /* max value for a uquad_t */ 106 /* max value for a quad_t */ 107#define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1)) 108#define QUAD_MIN (-QUAD_MAX-1) /* min value for a quad_t */ 109#endif 110 111#endif /* _NETBSD_SOURCE */ 112#endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 113 114#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 115#ifdef _LP64 116#define LONG_BIT 64 117#else 118#define LONG_BIT 32 119#endif 120#define WORD_BIT 32 121 122#define DBL_DIG 15 123#define DBL_MAX 1.7976931348623157E+308 124#define DBL_MIN 2.2250738585072014E-308 125 126#define FLT_DIG 6 127#define FLT_MAX 3.40282347E+38F 128#define FLT_MIN 1.17549435E-38F 129#endif 130 131#endif /* _POWERPC_LIMITS_H_ */ 132