1*417eba8cSderaadt /* $NetBSD: limits.h,v 1.2 1996/04/12 01:38:25 cgd Exp $ */ 2df930be7Sderaadt 3df930be7Sderaadt /* 4df930be7Sderaadt * Copyright (c) 1988, 1993 5df930be7Sderaadt * The Regents of the University of California. All rights reserved. 6df930be7Sderaadt * 7df930be7Sderaadt * Redistribution and use in source and binary forms, with or without 8df930be7Sderaadt * modification, are permitted provided that the following conditions 9df930be7Sderaadt * are met: 10df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright 11df930be7Sderaadt * notice, this list of conditions and the following disclaimer. 12df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright 13df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the 14df930be7Sderaadt * documentation and/or other materials provided with the distribution. 15df930be7Sderaadt * 3. All advertising materials mentioning features or use of this software 16df930be7Sderaadt * must display the following acknowledgement: 17df930be7Sderaadt * This product includes software developed by the University of 18df930be7Sderaadt * California, Berkeley and its contributors. 19df930be7Sderaadt * 4. Neither the name of the University nor the names of its contributors 20df930be7Sderaadt * may be used to endorse or promote products derived from this software 21df930be7Sderaadt * without specific prior written permission. 22df930be7Sderaadt * 23df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33df930be7Sderaadt * SUCH DAMAGE. 34df930be7Sderaadt * 35df930be7Sderaadt * @(#)limits.h 8.3 (Berkeley) 1/4/94 36df930be7Sderaadt */ 37df930be7Sderaadt 38df930be7Sderaadt #define CHAR_BIT 8 /* number of bits in a char */ 39df930be7Sderaadt #define MB_LEN_MAX 6 /* Allow 31 bit UTF2 */ 40df930be7Sderaadt 41df930be7Sderaadt /* 42df930be7Sderaadt * According to ANSI (section 2.2.4.2), the values below must be usable by 43df930be7Sderaadt * #if preprocessing directives. Additionally, the expression must have the 44df930be7Sderaadt * same type as would an expression that is an object of the corresponding 45df930be7Sderaadt * type converted according to the integral promotions. The subtraction for 46df930be7Sderaadt * INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an 47df930be7Sderaadt * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2). 48df930be7Sderaadt * These numbers work for pcc as well. The UINT_MAX and ULONG_MAX values 49df930be7Sderaadt * are written as hex so that GCC will be quiet about large integer constants. 50df930be7Sderaadt */ 51*417eba8cSderaadt #define SCHAR_MAX 0x7f /* max value for a signed char */ 52*417eba8cSderaadt #define SCHAR_MIN (-0x7f-1) /* min value for a signed char */ 53df930be7Sderaadt 54*417eba8cSderaadt #define UCHAR_MAX 0xffU /* max value for an unsigned char */ 55*417eba8cSderaadt #define CHAR_MAX 0x7f /* max value for a char */ 56*417eba8cSderaadt #define CHAR_MIN (-0x7f-1) /* min value for a char */ 57df930be7Sderaadt 58*417eba8cSderaadt #define USHRT_MAX 0xffffU /* max value for an unsigned short */ 59*417eba8cSderaadt #define SHRT_MAX 0x7fff /* max value for a short */ 60*417eba8cSderaadt #define SHRT_MIN (-0x7fff-1) /* min value for a short */ 61df930be7Sderaadt 62*417eba8cSderaadt #define UINT_MAX 0xffffffffU /* max value for an unsigned int */ 63*417eba8cSderaadt #define INT_MAX 0x7fffffff /* max value for an int */ 64*417eba8cSderaadt #define INT_MIN (-0x7fffffff-1) /* min value for an int */ 65df930be7Sderaadt 66*417eba8cSderaadt #define ULONG_MAX 0xffffffffffffffffUL /* max for an unsigned long */ 67*417eba8cSderaadt #define LONG_MAX 0x7fffffffffffffffL /* max for a long */ 68*417eba8cSderaadt #define LONG_MIN (-0x7fffffffffffffffL-1) /* min for a long */ 69df930be7Sderaadt 70df930be7Sderaadt #if !defined(_ANSI_SOURCE) 71*417eba8cSderaadt #define SSIZE_MAX LONG_MAX /* max value for a ssize_t */ 72df930be7Sderaadt 73*417eba8cSderaadt #if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE) 74*417eba8cSderaadt #define SIZE_T_MAX ULONG_MAX /* max value for a size_t */ 75df930be7Sderaadt 76*417eba8cSderaadt /* Quads and longs are the same on the alpha */ 77*417eba8cSderaadt #define UQUAD_MAX (ULONG_MAX) /* max value for a uquad_t */ 78*417eba8cSderaadt #define QUAD_MAX (LONG_MAX) /* max value for a quad_t */ 79*417eba8cSderaadt #define QUAD_MIN (LONG_MIN) /* min value for a quad_t */ 80df930be7Sderaadt 81*417eba8cSderaadt #endif /* !_POSIX_SOURCE && !_XOPEN_SOURCE */ 82df930be7Sderaadt #endif /* !_ANSI_SOURCE */ 83*417eba8cSderaadt 84*417eba8cSderaadt #if (!defined(_ANSI_SOURCE)&&!defined(_POSIX_SOURCE)) || defined(_XOPEN_SOURCE) 85*417eba8cSderaadt #define LONG_BIT 64 86*417eba8cSderaadt #define WORD_BIT 32 87*417eba8cSderaadt 88*417eba8cSderaadt #define DBL_DIG 15 89*417eba8cSderaadt #define DBL_MAX 1.7976931348623157E+308 90*417eba8cSderaadt #define DBL_MIN 2.2250738585072014E-308 91*417eba8cSderaadt 92*417eba8cSderaadt #define FLT_DIG 6 93*417eba8cSderaadt #define FLT_MAX 3.40282347E+38F 94*417eba8cSderaadt #define FLT_MIN 1.17549435E-38F 95*417eba8cSderaadt #endif 96