1*cddc78eaSriastradh /* $NetBSD: limits.h,v 1.11 2024/10/30 15:56:11 riastradh Exp $ */ 2ba7cbe76Scherry 3ba7cbe76Scherry /* 4ba7cbe76Scherry * Copyright (c) 1988 The Regents of the University of California. 5ba7cbe76Scherry * All rights reserved. 6ba7cbe76Scherry * 7ba7cbe76Scherry * Redistribution and use in source and binary forms, with or without 8ba7cbe76Scherry * modification, are permitted provided that the following conditions 9ba7cbe76Scherry * are met: 10ba7cbe76Scherry * 1. Redistributions of source code must retain the above copyright 11ba7cbe76Scherry * notice, this list of conditions and the following disclaimer. 12ba7cbe76Scherry * 2. Redistributions in binary form must reproduce the above copyright 13ba7cbe76Scherry * notice, this list of conditions and the following disclaimer in the 14ba7cbe76Scherry * documentation and/or other materials provided with the distribution. 15ba7cbe76Scherry * 3. Neither the name of the University nor the names of its contributors 16ba7cbe76Scherry * may be used to endorse or promote products derived from this software 17ba7cbe76Scherry * without specific prior written permission. 18ba7cbe76Scherry * 19ba7cbe76Scherry * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20ba7cbe76Scherry * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21ba7cbe76Scherry * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22ba7cbe76Scherry * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23ba7cbe76Scherry * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24ba7cbe76Scherry * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25ba7cbe76Scherry * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26ba7cbe76Scherry * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27ba7cbe76Scherry * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28ba7cbe76Scherry * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29ba7cbe76Scherry * SUCH DAMAGE. 30ba7cbe76Scherry * 31ba7cbe76Scherry * @(#)limits.h 7.2 (Berkeley) 6/28/90 32ba7cbe76Scherry */ 33ba7cbe76Scherry 34ba7cbe76Scherry #ifndef _MACHINE_LIMITS_H_ 35ba7cbe76Scherry #define _MACHINE_LIMITS_H_ 36ba7cbe76Scherry 37*cddc78eaSriastradh #include <sys/featuretest.h> 38*cddc78eaSriastradh 39ba7cbe76Scherry #define CHAR_BIT 8 /* number of bits in a char */ 40ba7cbe76Scherry 410e0fe2c3Sdrochner #define UCHAR_MAX 0xff /* max value for an unsigned char */ 427484a2dbSchristos #define SCHAR_MAX 0x7f /* max value for a signed char */ 437484a2dbSchristos #define SCHAR_MIN (-0x7f-1) /* min value for a signed char */ 44ba7cbe76Scherry 450e0fe2c3Sdrochner #define USHRT_MAX 0xffff /* max value for an unsigned short */ 46ba7cbe76Scherry #define SHRT_MAX 0x7fff /* max value for a short */ 47ba7cbe76Scherry #define SHRT_MIN (-0x7fff-1) /* min value for a short */ 48ba7cbe76Scherry 49ba7cbe76Scherry #define UINT_MAX 0xffffffffU /* max value for an unsigned int */ 50ba7cbe76Scherry #define INT_MAX 0x7fffffff /* max value for an int */ 51ba7cbe76Scherry #define INT_MIN (-0x7fffffff-1) /* min value for an int */ 52ba7cbe76Scherry 53ba7cbe76Scherry #define ULONG_MAX 0xffffffffffffffffUL /* max value for an unsigned long */ 54ba7cbe76Scherry #define LONG_MAX 0x7fffffffffffffffL /* max value for a long */ 55ba7cbe76Scherry #define LONG_MIN (-0x7fffffffffffffffL-1) /* min value for a long */ 56ba7cbe76Scherry 57ba7cbe76Scherry 58ba7cbe76Scherry #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \ 59ba7cbe76Scherry defined(_NETBSD_SOURCE) 60ba7cbe76Scherry #define ULLONG_MAX 0xffffffffffffffffULL /* max unsigned long long */ 61ba7cbe76Scherry #define LLONG_MAX 0x7fffffffffffffffLL /* max signed long long */ 62ba7cbe76Scherry #define LLONG_MIN (-0x7fffffffffffffffLL-1) /* min signed long long */ 63ba7cbe76Scherry #endif 64ba7cbe76Scherry 65480020cdSdholland #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 66480020cdSdholland defined(_NETBSD_SOURCE) 67480020cdSdholland #define SSIZE_MAX LONG_MAX /* max value for a ssize_t */ 68480020cdSdholland 69ba7cbe76Scherry #if defined(_NETBSD_SOURCE) 70caafbf4eSchristos #define SSIZE_MIN LONG_MIN /* min value for a ssize_t */ 71ba7cbe76Scherry #define SIZE_T_MAX ULONG_MAX /* max value for a size_t */ 72ba7cbe76Scherry 73c7592862Schristos #define UQUAD_MAX 0xffffffffffffffffULL /* max unsigned quad */ 74c7592862Schristos #define QUAD_MAX 0x7fffffffffffffffLL /* max signed quad */ 75c7592862Schristos #define QUAD_MIN (-0x7fffffffffffffffLL-1) /* min signed quad */ 76ba7cbe76Scherry 77ba7cbe76Scherry #endif /* _NETBSD_SOURCE */ 78ba7cbe76Scherry #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 79ba7cbe76Scherry 80ba7cbe76Scherry #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 81ba7cbe76Scherry #define LONG_BIT 64 82ba7cbe76Scherry #define WORD_BIT 32 83ba7cbe76Scherry 848ed9a6d8Smatt #define DBL_DIG __DBL_DIG__ 858ed9a6d8Smatt #define DBL_MAX __DBL_MAX__ 868ed9a6d8Smatt #define DBL_MIN __DBL_MIN__ 87ba7cbe76Scherry 888ed9a6d8Smatt #define FLT_DIG __FLT_DIG__ 898ed9a6d8Smatt #define FLT_MAX __FLT_MAX__ 908ed9a6d8Smatt #define FLT_MIN __FLT_MIN__ 91ba7cbe76Scherry #endif /* _XOPEN_SOURCE || _NETBSD_SOURCE */ 92ba7cbe76Scherry 93ba7cbe76Scherry #endif /* _MACHINE_LIMITS_H_ */ 94