root / lab4 / .minix-src / include / sys / common_limits.h @ 14
History | View | Annotate | Download (3.74 KB)
1 |
/* $NetBSD: common_limits.h,v 1.2 2014/08/19 15:46:46 matt Exp $ */
|
---|---|
2 |
|
3 |
/*-
|
4 |
* Copyright (c) 2014 The NetBSD Foundation, Inc.
|
5 |
* All rights reserved.
|
6 |
*
|
7 |
* This code is derived from software contributed to The NetBSD Foundation
|
8 |
* by Matt Thomas of 3am Software Foundry.
|
9 |
*
|
10 |
* Redistribution and use in source and binary forms, with or without
|
11 |
* modification, are permitted provided that the following conditions
|
12 |
* are met:
|
13 |
* 1. Redistributions of source code must retain the above copyright
|
14 |
* notice, this list of conditions and the following disclaimer.
|
15 |
* 2. Redistributions in binary form must reproduce the above copyright
|
16 |
* notice, this list of conditions and the following disclaimer in the
|
17 |
* documentation and/or other materials provided with the distribution.
|
18 |
*
|
19 |
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
20 |
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
21 |
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
22 |
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
23 |
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
24 |
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
25 |
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
26 |
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
27 |
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
28 |
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
29 |
* POSSIBILITY OF SUCH DAMAGE.
|
30 |
*/
|
31 |
|
32 |
#ifndef _SYS_COMMON_LIMITS_H_
|
33 |
#define _SYS_COMMON_LIMITS_H_
|
34 |
|
35 |
#define CHAR_BIT __CHAR_BIT__ /* number of bits in a char */ |
36 |
|
37 |
#define SCHAR_MIN (-__SCHAR_MAX__-1) /* min value for a signed char */ |
38 |
#define SCHAR_MAX __SCHAR_MAX__ /* max value for a signed char */ |
39 |
#define UCHAR_MAX (2*SCHAR_MAX+1) /* max value for an unsigned char */ |
40 |
|
41 |
#define SHRT_MIN (-__SHRT_MAX__-1) /* min value for a short */ |
42 |
#define SHRT_MAX __SHRT_MAX__ /* max value for a short */ |
43 |
#define USHRT_MAX (2*SHRT_MAX+1) /* max value for an unsigned short */ |
44 |
|
45 |
#define INT_MIN (-__INT_MAX__-1) /* min value for an int */ |
46 |
#define INT_MAX __INT_MAX__ /* max value for an int */ |
47 |
#define UINT_MAX (2U*INT_MAX+1U) /* max value for an unsigned int */ |
48 |
|
49 |
#define LONG_MIN (-__LONG_MAX__-1L) /* min value for a long */ |
50 |
#define LONG_MAX __LONG_MAX__ /* max value for a long */ |
51 |
#define ULONG_MAX (2UL*LONG_MAX+1UL) /* max unsigned long */ |
52 |
|
53 |
#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
|
54 |
defined(_NETBSD_SOURCE) |
55 |
#define SSIZE_MAX LONG_MAX /* max value for a ssize_t */ |
56 |
|
57 |
#if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \ |
58 |
defined(_NETBSD_SOURCE) |
59 |
#define LLONG_MIN (-__LONG_LONG_MAX__-1LL) /* min signed long long */ |
60 |
#define LLONG_MAX __LONG_LONG_MAX__ /* max signed long long */ |
61 |
#define ULLONG_MAX (2ULL*LLONG_MAX+1ULL) /* max unsigned long long */ |
62 |
#endif
|
63 |
|
64 |
#if defined(_NETBSD_SOURCE)
|
65 |
#define SSIZE_MIN LONG_MIN /* min value for a ssize_t */ |
66 |
#define SIZE_T_MAX ULONG_MAX /* max value for a size_t */ |
67 |
|
68 |
#define UQUAD_MAX ULLONG_MAX /* max unsigned quad */ |
69 |
#define QUAD_MAX LLONG_MAX /* max signed quad */ |
70 |
#define QUAD_MIN LLONG_MIN /* min signed quad */ |
71 |
|
72 |
#endif /* _NETBSD_SOURCE */ |
73 |
#endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ |
74 |
|
75 |
#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
|
76 |
#define LONG_BIT (__SIZEOF_LONG__ * 8) |
77 |
#define WORD_BIT (__SIZEOF_INT__ * 8) |
78 |
|
79 |
#define DBL_DIG __DBL_DIG__
|
80 |
#define DBL_MAX __DBL_MAX__
|
81 |
#define DBL_MIN __DBL_MIN__
|
82 |
|
83 |
#define FLT_DIG __FLT_DIG__
|
84 |
#define FLT_MAX __FLT_MAX__
|
85 |
#define FLT_MIN __FLT_MIN__
|
86 |
|
87 |
#ifdef __LDBL_DIG__
|
88 |
#define LDBL_DIG __LDBL_DIG__
|
89 |
#define LDBL_MAX __LDBL_MAX__
|
90 |
#define LDBL_MIN __LDBL_MIN__
|
91 |
#endif
|
92 |
|
93 |
#endif /* _XOPEN_SOURCE || _NETBSD_SOURCE */ |
94 |
|
95 |
#endif /* _SYS_COMMON_LIMITS_H_ */ |