1*480020cdSdholland /* $NetBSD: limits.h,v 1.21 2019/01/21 20:28:18 dholland Exp $ */ 2d62187c0Scgd 38026fb53Sragge /* 48026fb53Sragge * Copyright (c) 1988 The Regents of the University of California. 58026fb53Sragge * All rights reserved. 68026fb53Sragge * 78026fb53Sragge * Redistribution and use in source and binary forms, with or without 88026fb53Sragge * modification, are permitted provided that the following conditions 98026fb53Sragge * are met: 108026fb53Sragge * 1. Redistributions of source code must retain the above copyright 118026fb53Sragge * notice, this list of conditions and the following disclaimer. 128026fb53Sragge * 2. Redistributions in binary form must reproduce the above copyright 138026fb53Sragge * notice, this list of conditions and the following disclaimer in the 148026fb53Sragge * documentation and/or other materials provided with the distribution. 15aad01611Sagc * 3. Neither the name of the University nor the names of its contributors 168026fb53Sragge * may be used to endorse or promote products derived from this software 178026fb53Sragge * without specific prior written permission. 188026fb53Sragge * 198026fb53Sragge * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 208026fb53Sragge * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 218026fb53Sragge * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 228026fb53Sragge * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 238026fb53Sragge * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 248026fb53Sragge * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 258026fb53Sragge * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 268026fb53Sragge * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 278026fb53Sragge * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 288026fb53Sragge * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 298026fb53Sragge * SUCH DAMAGE. 308026fb53Sragge * 31d62187c0Scgd * @(#)limits.h 7.2 (Berkeley) 6/28/90 328026fb53Sragge */ 338026fb53Sragge 346f57e5c5Sperry #ifndef _MACHINE_LIMITS_H_ 356f57e5c5Sperry #define _MACHINE_LIMITS_H_ 366f57e5c5Sperry 374be7a2dcSbjh21 #include <sys/featuretest.h> 384be7a2dcSbjh21 398026fb53Sragge #define CHAR_BIT 8 /* number of bits in a char */ 408026fb53Sragge 417484a2dbSchristos #define UCHAR_MAX 0xff /* max value for an unsigned char */ 42ae74b4ebSragge #define SCHAR_MAX 0x7f /* max value for a signed char */ 431dab4709Sragge #define SCHAR_MIN (-0x7f-1) /* min value for a signed char */ 448026fb53Sragge 450e0fe2c3Sdrochner #define USHRT_MAX 0xffff /* max value for an unsigned short */ 468026fb53Sragge #define SHRT_MAX 0x7fff /* max value for a short */ 47ae74b4ebSragge #define SHRT_MIN (-0x7fff-1) /* min value for a short */ 488026fb53Sragge 49ae74b4ebSragge #define UINT_MAX 0xffffffffU /* max value for an unsigned int */ 508026fb53Sragge #define INT_MAX 0x7fffffff /* max value for an int */ 51ae74b4ebSragge #define INT_MIN (-0x7fffffff-1) /* min value for an int */ 528026fb53Sragge 53ae74b4ebSragge #define ULONG_MAX 0xffffffffUL /* max value for an unsigned long */ 54ae74b4ebSragge #define LONG_MAX 0x7fffffffL /* max value for a long */ 55ae74b4ebSragge #define LONG_MIN (-0x7fffffffL-1)/* min value for a long */ 56badcc17aSjtc 574be7a2dcSbjh21 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \ 584be7a2dcSbjh21 defined(_NETBSD_SOURCE) 59ad7dbd82Skleink #define ULLONG_MAX 0xffffffffffffffffULL /* max unsigned long long */ 60ad7dbd82Skleink #define LLONG_MAX 0x7fffffffffffffffLL /* max signed long long */ 61ad7dbd82Skleink #define LLONG_MIN (-0x7fffffffffffffffLL-1) /* min signed long long */ 62ad7dbd82Skleink #endif 63ad7dbd82Skleink 64*480020cdSdholland #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 65*480020cdSdholland defined(_NETBSD_SOURCE) 66*480020cdSdholland #define SSIZE_MAX LONG_MAX /* max value for a ssize_t */ 67*480020cdSdholland 684be7a2dcSbjh21 #if defined(_NETBSD_SOURCE) 69caafbf4eSchristos #define SSIZE_MIN LONG_MIN /* min value for a ssize_t */ 70c544d84bSkleink #define SIZE_T_MAX ULONG_MAX /* max value for a size_t */ 71172d1087Sragge 72172d1087Sragge #define UQUAD_MAX 0xffffffffffffffffULL /* max unsigned quad */ 73172d1087Sragge #define QUAD_MAX 0x7fffffffffffffffLL /* max signed quad */ 74172d1087Sragge #define QUAD_MIN (-0x7fffffffffffffffLL-1) /* min signed quad */ 75172d1087Sragge 764be7a2dcSbjh21 #endif /* _NETBSD_SOURCE */ 774be7a2dcSbjh21 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 78172d1087Sragge 794be7a2dcSbjh21 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 80badcc17aSjtc #define LONG_BIT 32 81badcc17aSjtc #define WORD_BIT 32 82badcc17aSjtc 83badcc17aSjtc #define DBL_DIG 16 84badcc17aSjtc #define DBL_MAX 1.701411834604692294E+38 85badcc17aSjtc #define DBL_MIN 2.938735877055718770E-39 86badcc17aSjtc 87badcc17aSjtc #define FLT_DIG 6 88badcc17aSjtc #define FLT_MAX 1.70141173E+38F 89badcc17aSjtc #define FLT_MIN 2.93873588E-39F 90badcc17aSjtc #endif 916f57e5c5Sperry 926f57e5c5Sperry #endif /* _MACHINE_LIMITS_H_ */ 93