xref: /openbsd/include/limits.h (revision 7a4e5fc4)
1 /*	$OpenBSD: limits.h,v 1.19 2015/01/20 22:09:50 tedu Exp $	*/
2 /*	$NetBSD: limits.h,v 1.7 1994/10/26 00:56:00 cgd Exp $	*/
3 
4 /*
5  * Copyright (c) 1988 The Regents of the University of California.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  *	@(#)limits.h	5.9 (Berkeley) 4/3/91
33  */
34 
35 #ifndef _LIMITS_H_
36 #define	_LIMITS_H_
37 
38 #include <sys/cdefs.h>
39 
40 #if __POSIX_VISIBLE
41 #define	_POSIX_ARG_MAX		4096
42 #define	_POSIX_CHILD_MAX	25
43 #define	_POSIX_LINK_MAX		8
44 #define	_POSIX_MAX_CANON	255
45 #define	_POSIX_MAX_INPUT	255
46 #define	_POSIX_NAME_MAX		14
47 #define	_POSIX_PATH_MAX		256
48 #define _POSIX_PIPE_BUF		512
49 #define	_POSIX_RE_DUP_MAX	255
50 #define	_POSIX_SEM_NSEMS_MAX	256
51 #define	_POSIX_SEM_VALUE_MAX	32767
52 #define _POSIX_SSIZE_MAX	32767
53 #define _POSIX_STREAM_MAX	8
54 #define _POSIX_SYMLINK_MAX	255
55 #define _POSIX_SYMLOOP_MAX	8
56 #define	_POSIX_THREAD_DESTRUCTOR_ITERATIONS	4
57 #define	_POSIX_THREAD_KEYS_MAX			128
58 #define	_POSIX_THREAD_THREADS_MAX		4
59 
60 #if __POSIX_VISIBLE >= 200112
61 #define	_POSIX_CLOCKRES_MIN	20000000
62 #define	_POSIX_NGROUPS_MAX	8
63 #define	_POSIX_OPEN_MAX		20
64 #define	_POSIX_TZNAME_MAX	6
65 #else
66 #define	_POSIX_NGROUPS_MAX	0
67 #define	_POSIX_OPEN_MAX		16
68 #define	_POSIX_TZNAME_MAX	3
69 #endif
70 
71 #define	_POSIX2_BC_BASE_MAX		99
72 #define	_POSIX2_BC_DIM_MAX		2048
73 #define	_POSIX2_BC_SCALE_MAX		99
74 #define	_POSIX2_BC_STRING_MAX		1000
75 #define	_POSIX2_COLL_WEIGHTS_MAX	2
76 #define	_POSIX2_EXPR_NEST_MAX		32
77 #define	_POSIX2_LINE_MAX		2048
78 #define	_POSIX2_RE_DUP_MAX		_POSIX_RE_DUP_MAX
79 #define	_POSIX2_CHARCLASS_NAME_MAX	14
80 
81 #if __POSIX_VISIBLE >= 200112
82 #define _POSIX_HOST_NAME_MAX	255
83 #define _POSIX_LOGIN_NAME_MAX	9	/* includes trailing NUL */
84 #define _POSIX_TTY_NAME_MAX	9	/* includes trailing NUL */
85 #endif /* __POSIX_VISIBLE >= 200112 */
86 #endif /* __POSIX_VISIBLE */
87 
88 #if __XPG_VISIBLE || __POSIX_VISIBLE >= 200809
89 #define NL_ARGMAX		9
90 #define NL_LANGMAX		14
91 #define NL_MSGMAX		32767
92 #define NL_SETMAX		255
93 #define NL_TEXTMAX		255
94 #endif
95 
96 #if __XPG_VISIBLE
97 # if __XPG_VISIBLE < 600
98 #  define PASS_MAX		128	/* _PASSWORD_LEN from <pwd.h> */
99 #  define TMP_MAX		0x7fffffff /* more, but don't overflow int */
100 # endif
101 
102 # if __XPG_VISIBLE < 700
103 #  define NL_NMAX		1
104 # endif
105 
106 #define	_XOPEN_IOV_MAX		16
107 #define	_XOPEN_NAME_MAX		255
108 #define	_XOPEN_PATH_MAX		1024
109 #endif /* __XPG_VISIBLE */
110 
111 #include <sys/limits.h>
112 
113 #if __POSIX_VISIBLE
114 #include <sys/syslimits.h>
115 #endif
116 
117 #endif /* !_LIMITS_H_ */
118