1*8d7e7a98SRuslan Bukin /*- 2*8d7e7a98SRuslan Bukin * Copyright (c) 1988, 1993 3*8d7e7a98SRuslan Bukin * The Regents of the University of California. All rights reserved. 4*8d7e7a98SRuslan Bukin * 5*8d7e7a98SRuslan Bukin * Redistribution and use in source and binary forms, with or without 6*8d7e7a98SRuslan Bukin * modification, are permitted provided that the following conditions 7*8d7e7a98SRuslan Bukin * are met: 8*8d7e7a98SRuslan Bukin * 1. Redistributions of source code must retain the above copyright 9*8d7e7a98SRuslan Bukin * notice, this list of conditions and the following disclaimer. 10*8d7e7a98SRuslan Bukin * 2. Redistributions in binary form must reproduce the above copyright 11*8d7e7a98SRuslan Bukin * notice, this list of conditions and the following disclaimer in the 12*8d7e7a98SRuslan Bukin * documentation and/or other materials provided with the distribution. 13*8d7e7a98SRuslan Bukin * 14*8d7e7a98SRuslan Bukin * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 15*8d7e7a98SRuslan Bukin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*8d7e7a98SRuslan Bukin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*8d7e7a98SRuslan Bukin * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 18*8d7e7a98SRuslan Bukin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*8d7e7a98SRuslan Bukin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*8d7e7a98SRuslan Bukin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*8d7e7a98SRuslan Bukin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*8d7e7a98SRuslan Bukin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*8d7e7a98SRuslan Bukin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*8d7e7a98SRuslan Bukin * SUCH DAMAGE. 25*8d7e7a98SRuslan Bukin */ 26*8d7e7a98SRuslan Bukin 27*8d7e7a98SRuslan Bukin #ifndef _MACHINE__LIMITS_H_ 28*8d7e7a98SRuslan Bukin #define _MACHINE__LIMITS_H_ 29*8d7e7a98SRuslan Bukin 30*8d7e7a98SRuslan Bukin /* 31*8d7e7a98SRuslan Bukin * According to ANSI (section 2.2.4.2), the values below must be usable by 32*8d7e7a98SRuslan Bukin * #if preprocessing directives. Additionally, the expression must have the 33*8d7e7a98SRuslan Bukin * same type as would an expression that is an object of the corresponding 34*8d7e7a98SRuslan Bukin * type converted according to the integral promotions. The subtraction for 35*8d7e7a98SRuslan Bukin * INT_MIN, etc., is so the value is not unsigned; e.g., 0x80000000 is an 36*8d7e7a98SRuslan Bukin * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2). 37*8d7e7a98SRuslan Bukin */ 38*8d7e7a98SRuslan Bukin 39*8d7e7a98SRuslan Bukin #define __CHAR_BIT 8 /* number of bits in a char */ 40*8d7e7a98SRuslan Bukin 41*8d7e7a98SRuslan Bukin #define __SCHAR_MAX 0x7f /* max value for a signed char */ 42*8d7e7a98SRuslan Bukin #define __SCHAR_MIN (-0x7f - 1) /* min value for a signed char */ 43*8d7e7a98SRuslan Bukin 44*8d7e7a98SRuslan Bukin #define __UCHAR_MAX 0xff /* max value for an unsigned char */ 45*8d7e7a98SRuslan Bukin 46*8d7e7a98SRuslan Bukin #define __USHRT_MAX 0xffff /* max value for an unsigned short */ 47*8d7e7a98SRuslan Bukin #define __SHRT_MAX 0x7fff /* max value for a short */ 48*8d7e7a98SRuslan Bukin #define __SHRT_MIN (-0x7fff - 1) /* min value for a short */ 49*8d7e7a98SRuslan Bukin 50*8d7e7a98SRuslan Bukin #define __UINT_MAX 0xffffffff /* max value for an unsigned int */ 51*8d7e7a98SRuslan Bukin #define __INT_MAX 0x7fffffff /* max value for an int */ 52*8d7e7a98SRuslan Bukin #define __INT_MIN (-0x7fffffff - 1) /* min value for an int */ 53*8d7e7a98SRuslan Bukin 54*8d7e7a98SRuslan Bukin #define __ULONG_MAX 0xffffffffffffffffUL /* max for an unsigned long */ 55*8d7e7a98SRuslan Bukin #define __LONG_MAX 0x7fffffffffffffffL /* max for a long */ 56*8d7e7a98SRuslan Bukin #define __LONG_MIN (-0x7fffffffffffffffL - 1) /* min for a long */ 57*8d7e7a98SRuslan Bukin 58*8d7e7a98SRuslan Bukin /* Long longs have the same size but not the same type as longs. */ 59*8d7e7a98SRuslan Bukin /* max for an unsigned long long */ 60*8d7e7a98SRuslan Bukin #define __ULLONG_MAX 0xffffffffffffffffULL 61*8d7e7a98SRuslan Bukin #define __LLONG_MAX 0x7fffffffffffffffLL /* max for a long long */ 62*8d7e7a98SRuslan Bukin #define __LLONG_MIN (-0x7fffffffffffffffLL - 1) /* min for a long long */ 63*8d7e7a98SRuslan Bukin 64*8d7e7a98SRuslan Bukin #define __SSIZE_MAX __LONG_MAX /* max value for a ssize_t */ 65*8d7e7a98SRuslan Bukin 66*8d7e7a98SRuslan Bukin #define __SIZE_T_MAX __ULONG_MAX /* max value for a size_t */ 67*8d7e7a98SRuslan Bukin 68*8d7e7a98SRuslan Bukin #define __OFF_MAX __LONG_MAX /* max value for an off_t */ 69*8d7e7a98SRuslan Bukin #define __OFF_MIN __LONG_MIN /* min value for an off_t */ 70*8d7e7a98SRuslan Bukin 71*8d7e7a98SRuslan Bukin /* Quads and longs are the same size. Ensure they stay in sync. */ 72*8d7e7a98SRuslan Bukin #define __UQUAD_MAX (__ULONG_MAX) /* max value for a uquad_t */ 73*8d7e7a98SRuslan Bukin #define __QUAD_MAX (__LONG_MAX) /* max value for a quad_t */ 74*8d7e7a98SRuslan Bukin #define __QUAD_MIN (__LONG_MIN) /* min value for a quad_t */ 75*8d7e7a98SRuslan Bukin 76*8d7e7a98SRuslan Bukin #define __LONG_BIT 64 77*8d7e7a98SRuslan Bukin #define __WORD_BIT 32 78*8d7e7a98SRuslan Bukin 79*8d7e7a98SRuslan Bukin /* Minimum signal stack size. */ 80*8d7e7a98SRuslan Bukin #define __MINSIGSTKSZ (1024 * 4) 81*8d7e7a98SRuslan Bukin 82*8d7e7a98SRuslan Bukin #endif /* !_MACHINE__LIMITS_H_ */ 83