1 /* 2 * Copyright (c) 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)limits.h 8.3 (Berkeley) 1/4/94 34 * $FreeBSD$ 35 */ 36 37 #ifndef _MACHINE__LIMITS_H_ 38 #define _MACHINE__LIMITS_H_ 39 40 #define __CHAR_BIT 8 /* number of bits in a char */ 41 42 #define __SCHAR_MAX 0x7f /* max value for a signed char */ 43 #define __SCHAR_MIN (-0x7f - 1) /* min value for a signed char */ 44 45 #define __UCHAR_MAX 0xff /* max value for an unsigned char */ 46 47 #define __USHRT_MAX 0xffff /* max value for an unsigned short */ 48 #define __SHRT_MAX 0x7fff /* max value for a short */ 49 #define __SHRT_MIN (-0x7fff - 1) /* min value for a short */ 50 51 #define __UINT_MAX 0xffffffffU /* max value for an unsigned int */ 52 #define __INT_MAX 0x7fffffff /* max value for an int */ 53 #define __INT_MIN (-0x7fffffff - 1) /* min value for an int */ 54 55 /* Bad hack for gcc configured to give 64-bit longs. */ 56 #ifdef _LARGE_LONG 57 #define __ULONG_MAX 0xffffffffffffffffUL 58 #define __LONG_MAX 0x7fffffffffffffffL 59 #define __LONG_MIN (-0x7fffffffffffffffL - 1) 60 #else 61 #define __ULONG_MAX 0xffffffffUL /* max value for an unsigned long */ 62 #define __LONG_MAX 0x7fffffffL /* max value for a long */ 63 #define __LONG_MIN (-0x7fffffffL - 1) /* min value for a long */ 64 #endif 65 66 /* max value for an unsigned long long */ 67 #define __ULLONG_MAX 0xffffffffffffffffULL 68 #define __LLONG_MAX 0x7fffffffffffffffLL /* max value for a long long */ 69 #define __LLONG_MIN (-0x7fffffffffffffffLL - 1) /* min for a long long */ 70 71 #define __SSIZE_MAX __INT_MAX /* max value for a ssize_t */ 72 73 #define __SIZE_T_MAX __UINT_MAX /* max value for a size_t */ 74 75 #define __OFF_MAX __LLONG_MAX /* max value for a off_t */ 76 #define __OFF_MIN __LLONG_MIN /* min value for a off_t */ 77 78 /* Quads and long longs are the same size. Ensure they stay in sync. */ 79 #define __UQUAD_MAX __ULLONG_MAX /* max value for a uquad_t */ 80 #define __QUAD_MAX __LLONG_MAX /* max value for a quad_t */ 81 #define __QUAD_MIN __LLONG_MIN /* min value for a quad_t */ 82 83 #ifdef _LARGE_LONG 84 #define __LONG_BIT 64 85 #else 86 #define __LONG_BIT 32 87 #endif 88 #define __WORD_BIT 32 89 90 #define __DBL_DIG 15 91 #define __DBL_MAX 1.7976931348623157E+308 92 #define __DBL_MIN 2.2250738585072014E-308 93 94 #define __FLT_DIG 6 95 #define __FLT_MAX 3.40282347E+38F 96 #define __FLT_MIN 1.17549435E-38F 97 98 #endif /* !_MACHINE__LIMITS_H_ */ 99