| 1 | /*
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| 2 | * Copyright (c) 1988, 1993
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| 3 | * The Regents of the University of California. All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * 3. All advertising materials mentioning features or use of this software
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| 14 | * must display the following acknowledgement:
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| 15 | * This product includes software developed by the University of
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| 16 | * California, Berkeley and its contributors.
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| 17 | * 4. Neither the name of the University nor the names of its contributors
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| 18 | * may be used to endorse or promote products derived from this software
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| 19 | * without specific prior written permission.
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| 20 | *
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 31 | * SUCH DAMAGE.
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| 32 | *
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| 33 | * @(#)limits.h 8.3 (Berkeley) 1/4/94
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| 34 | * $FreeBSD: src/sys/i386/include/_limits.h,v 1.25 2003/05/19 20:29:06 kan Exp $
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| 35 | */
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| 36 |
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| 37 | /** @file
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| 38 | * FreeBSD 5.1
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| 39 | * @changed bird: max and min of off_t.
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| 40 | * @changed bird: added __RTSIG_MAX.
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| 41 | */
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| 42 |
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| 43 | #ifndef _MACHINE__LIMITS_H_
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| 44 | #define _MACHINE__LIMITS_H_
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| 45 |
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| 46 | /*
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| 47 | * According to ANSI (section 2.2.4.2), the values below must be usable by
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| 48 | * #if preprocessing directives. Additionally, the expression must have the
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| 49 | * same type as would an expression that is an object of the corresponding
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| 50 | * type converted according to the integral promotions. The subtraction for
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| 51 | * INT_MIN, etc., is so the value is not unsigned; e.g., 0x80000000 is an
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| 52 | * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
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| 53 | * These numbers are for the default configuration of gcc. They work for
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| 54 | * some other compilers as well, but this should not be depended on.
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| 55 | */
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| 56 |
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| 57 | #define __CHAR_BIT 8 /* number of bits in a char */
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| 58 |
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| 59 | #define __SCHAR_MAX 0x7f /* max value for a signed char */
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| 60 | #define __SCHAR_MIN (-0x7f - 1) /* min value for a signed char */
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| 61 |
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| 62 | #define __UCHAR_MAX 0xff /* max value for an unsigned char */
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| 63 |
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| 64 | #define __USHRT_MAX 0xffff /* max value for an unsigned short */
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| 65 | #define __SHRT_MAX 0x7fff /* max value for a short */
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| 66 | #define __SHRT_MIN (-0x7fff - 1) /* min value for a short */
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| 67 |
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| 68 | #define __UINT_MAX 0xffffffffU /* max value for an unsigned int */
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| 69 | #define __INT_MAX 0x7fffffff /* max value for an int */
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| 70 | #define __INT_MIN (-0x7fffffff - 1) /* min value for an int */
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| 71 |
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| 72 | /* Bad hack for gcc configured to give 64-bit longs. */
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| 73 | #ifdef _LARGE_LONG
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| 74 | #define __ULONG_MAX 0xffffffffffffffffUL
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| 75 | #define __LONG_MAX 0x7fffffffffffffffL
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| 76 | #define __LONG_MIN (-0x7fffffffffffffffL - 1)
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| 77 | #else
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| 78 | #define __ULONG_MAX 0xffffffffUL /* max value for an unsigned long */
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| 79 | #define __LONG_MAX 0x7fffffffL /* max value for a long */
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| 80 | #define __LONG_MIN (-0x7fffffffL - 1) /* min value for a long */
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| 81 | #endif
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| 82 |
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| 83 | /* max value for an unsigned long long */
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| 84 | #define __ULLONG_MAX 0xffffffffffffffffULL
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| 85 | #define __LLONG_MAX 0x7fffffffffffffffLL /* max value for a long long */
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| 86 | #define __LLONG_MIN (-0x7fffffffffffffffLL - 1) /* min for a long long */
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| 87 |
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| 88 | #define __SSIZE_MAX __INT_MAX /* max value for a ssize_t */
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| 89 |
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| 90 | #define __SIZE_T_MAX __UINT_MAX /* max value for a size_t */
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| 91 |
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| 92 | /* bird: our off_t is 32 bit signed at the moment. */
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| 93 | #if 1
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| 94 | #define __OFF_MAX __LLONG_MAX /* max value for an off_t */
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| 95 | #define __OFF_MIN __LLONG_MIN /* min value for an off_t */
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| 96 | #else
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| 97 | #define __OFF_MAX __LONG_MAX /* max value for an off_t */
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| 98 | #define __OFF_MIN __LONG_MIN /* min value for an off_t */
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| 99 | #endif
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| 100 |
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| 101 | /* Quads and long longs are the same size. Ensure they stay in sync. */
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| 102 | #define __UQUAD_MAX __ULLONG_MAX /* max value for a uquad_t */
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| 103 | #define __QUAD_MAX __LLONG_MAX /* max value for a quad_t */
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| 104 | #define __QUAD_MIN __LLONG_MIN /* min value for a quad_t */
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| 105 |
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| 106 | #ifdef _LARGE_LONG
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| 107 | #define __LONG_BIT 64
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| 108 | #else
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| 109 | #define __LONG_BIT 32
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| 110 | #endif
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| 111 | #define __WORD_BIT 32
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| 112 |
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| 113 | /* bird: Real time signals. */
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| 114 | #define __RTSIG_MAX 32
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| 115 | #endif /* !_MACHINE__LIMITS_H_ */
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