projects / dragonfly.git / blame
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|---|---|---|
| fc3f9779 SS |
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: src/sys/i386/include/limits.h,v 1.14.2.2 2000/11/05 09:21:42 obrien Exp $ | |
| fc3f9779 SS |
35 | */ |
| 36 | ||
| 37 | #ifndef _CPU_LIMITS_H_ | |
| 38 | #define _CPU_LIMITS_H_ | |
| 39 | ||
| 40 | #define CHAR_BIT 8 /* number of bits in a char */ | |
| 41 | #define MB_LEN_MAX 6 /* Allow 31 bit UTF2 */ | |
| 42 | ||
| 43 | /* | |
| 44 | * According to ANSI (section 2.2.4.2), the values below must be usable by | |
| 45 | * #if preprocessing directives. Additionally, the expression must have the | |
| 46 | * same type as would an expression that is an object of the corresponding | |
| 47 | * type converted according to the integral promotions. The subtraction for | |
| 48 | * INT_MIN, etc., is so the value is not unsigned; e.g., 0x80000000 is an | |
| 49 | * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2). | |
| 50 | * These numbers are for the default configuration of gcc. They work for | |
| 51 | * some other compilers as well, but this should not be depended on. | |
| 52 | */ | |
| 53 | #define SCHAR_MAX 0x7f /* max value for a signed char */ | |
| 54 | #define SCHAR_MIN (-0x7f - 1) /* min value for a signed char */ | |
| 55 | ||
| 56 | #define UCHAR_MAX 0xff /* max value for an unsigned char */ | |
| 57 | ||
| 58 | #ifdef __CHAR_UNSIGNED__ | |
| 59 | #define CHAR_MAX UCHAR_MAX /* max value for a char */ | |
| 60 | #define CHAR_MIN 0 /* min value for a char */ | |
| 61 | #else | |
| 62 | #define CHAR_MAX SCHAR_MAX /* max value for a char */ | |
| 63 | #define CHAR_MIN SCHAR_MIN /* min value for a char */ | |
| 64 | #endif | |
| 65 | ||
| 66 | #define USHRT_MAX 0xffff /* max value for an unsigned short */ | |
| 67 | #define SHRT_MAX 0x7fff /* max value for a short */ | |
| 68 | #define SHRT_MIN (-0x7fff - 1) /* min value for a short */ | |
| 69 | ||
| 70 | #define UINT_MAX 0xffffffffU /* max value for an unsigned int */ | |
| 71 | #define INT_MAX 0x7fffffff /* max value for an int */ | |
| 72 | #define INT_MIN (-0x7fffffff - 1) /* min value for an int */ | |
| 73 | ||
| eaebd1ff SW |
74 | #define ULONG_MAX 0xffffffffffffffffUL /* max for an unsigned long */ |
| 75 | #define LONG_MAX 0x7fffffffffffffffL /* max for a long */ | |
| 76 | #define LONG_MIN (-0x7fffffffffffffffL - 1) /* min for a long */ | |
| 77 | ||
| c1543a89 | 78 | /* XXX what is long long on x86_64? */ |
| eaebd1ff | 79 | #define ULLONG_MAX 0xffffffffffffffffULL /* max value for an unsigned long long */ |
| fc3f9779 SS |
80 | #define LLONG_MAX 0x7fffffffffffffffLL /* max value for a long long */ |
| 81 | #define LLONG_MIN (-0x7fffffffffffffffLL - 1) /* min for a long long */ | |
| 82 | ||
| 83 | #if !defined(_ANSI_SOURCE) | |
| 84 | #define SSIZE_MAX LONG_MAX /* max value for a ssize_t */ | |
| 85 | ||
| 86 | #if !defined(_POSIX_SOURCE) | |
| 87 | #define SIZE_T_MAX ULONG_MAX /* max value for a size_t */ | |
| 88 | ||
| eaebd1ff SW |
89 | #define OFF_MAX LONG_MAX /* max value for an off_t */ |
| 90 | #define OFF_MIN LONG_MIN /* min value for an off_t */ | |
| 91 | ||
| d7f50089 YY |
92 | #define GID_MAX UINT_MAX /* max value for a gid_t */ |
| 93 | #define UID_MAX UINT_MAX /* max value for a uid_t */ | |
| 94 | ||
| fc3f9779 SS |
95 | /* Quads and long longs are the same size. Ensure they stay in sync. */ |
| 96 | #define UQUAD_MAX ULLONG_MAX /* max value for a uquad_t */ | |
| 97 | #define QUAD_MAX LLONG_MAX /* max value for a quad_t */ | |
| 98 | #define QUAD_MIN LLONG_MIN /* min value for a quad_t */ | |
| 99 | ||
| 2264bcda SW |
100 | #define LONG_BIT 64 |
| 101 | #define WORD_BIT 32 | |
| 102 | ||
| fc3f9779 SS |
103 | #endif /* !_POSIX_SOURCE */ |
| 104 | #endif /* !_ANSI_SOURCE */ | |
| 105 | ||
| 106 | #endif /* !_CPU_LIMITS_H_ */ |