xref: /freebsd/include/limits.h (revision caf6fbd81a21a5bd5fac57a0163582bbc8968920)
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. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  *	@(#)limits.h	8.2 (Berkeley) 1/4/94
30  * $FreeBSD$
31  */
32 
33 #ifndef _LIMITS_H_
34 #define	_LIMITS_H_
35 
36 #include <sys/cdefs.h>
37 
38 #if __POSIX_VISIBLE
39 #define	_POSIX_ARG_MAX		4096
40 #define	_POSIX_LINK_MAX		8
41 #define	_POSIX_MAX_CANON	255
42 #define	_POSIX_MAX_INPUT	255
43 #define	_POSIX_NAME_MAX		14
44 #define	_POSIX_PIPE_BUF		512
45 #define	_POSIX_SSIZE_MAX	32767
46 #define	_POSIX_STREAM_MAX	8
47 
48 #if __POSIX_VISIBLE >= 200112
49 #define	_POSIX_CHILD_MAX	25
50 #define	_POSIX_NGROUPS_MAX	8
51 #define	_POSIX_OPEN_MAX		20
52 #define	_POSIX_PATH_MAX		256
53 #define	_POSIX_TZNAME_MAX	6
54 #else
55 #define	_POSIX_CHILD_MAX	6
56 #define	_POSIX_NGROUPS_MAX	0
57 #define	_POSIX_OPEN_MAX		16
58 #define	_POSIX_PATH_MAX		255
59 #define	_POSIX_TZNAME_MAX	3
60 #endif
61 
62 #define	BC_BASE_MAX		   99	/* max ibase/obase values in bc(1) */
63 #define	BC_DIM_MAX		 2048	/* max array elements in bc(1) */
64 #define	BC_SCALE_MAX		   99	/* max scale value in bc(1) */
65 #define	BC_STRING_MAX		 1000	/* max const string length in bc(1) */
66 #define	COLL_WEIGHTS_MAX	    0	/* max weights for order keyword */
67 #define	EXPR_NEST_MAX		   32	/* max expressions nested in expr(1) */
68 #define	LINE_MAX		 2048	/* max bytes in an input line */
69 #define	RE_DUP_MAX		  255	/* max RE's in interval notation */
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_EQUIV_CLASS_MAX	2
76 #define	_POSIX2_EXPR_NEST_MAX	32
77 #define	_POSIX2_LINE_MAX	2048
78 #define	_POSIX2_RE_DUP_MAX	255
79 #endif
80 
81 #if __POSIX_VISIBLE >= 199309
82 #define	_POSIX_AIO_LISTIO_MAX	2
83 #define	_POSIX_AIO_MAX		1
84 #define	_POSIX_DELAYTIMER_MAX	32
85 #define	_POSIX_MQ_OPEN_MAX	8
86 #define	_POSIX_MQ_PRIO_MAX	32
87 #define	_POSIX_RTSIG_MAX	8
88 #define	_POSIX_SEM_NSEMS_MAX	256
89 #define	_POSIX_SEM_VALUE_MAX	32767
90 #define	_POSIX_SIGQUEUE_MAX	32
91 #define	_POSIX_TIMER_MAX	32
92 
93 #define	_POSIX_CLOCKRES_MIN	20000000
94 #endif
95 
96 #if __POSIX_VISIBLE >= 199506
97 #define	_POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
98 #define	_POSIX_THREAD_KEYS_MAX	128
99 #define	_POSIX_THREAD_THREADS_MAX 64
100 #endif
101 
102 #if __POSIX_VISIBLE >= 200112
103 #define	_POSIX_HOST_NAME_MAX	255
104 #define	_POSIX_LOGIN_NAME_MAX	9
105 #define	_POSIX_SS_REPL_MAX	4
106 #define	_POSIX_SYMLINK_MAX	255
107 #define	_POSIX_SYMLOOP_MAX	8
108 #define	_POSIX_TRACE_EVENT_NAME_MAX 30
109 #define	_POSIX_TRACE_NAME_MAX	8
110 #define	_POSIX_TRACE_SYS_MAX	8
111 #define	_POSIX_TRACE_USER_EVENT_MAX 32
112 #define	_POSIX_TTY_NAME_MAX	9
113 #define	_POSIX2_CHARCLASS_NAME_MAX 14
114 #define	_POSIX2_COLL_WEIGHTS_MAX 2
115 
116 #define	_POSIX_RE_DUP_MAX	_POSIX2_RE_DUP_MAX
117 #endif
118 
119 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809
120 #define	NL_ARGMAX		99	/* max # of position args for printf */
121 #define	NL_MSGMAX		32767
122 #define	NL_SETMAX		255
123 #define	NL_TEXTMAX		2048
124 #endif
125 
126 #if __XSI_VISIBLE
127 #define	_XOPEN_IOV_MAX		16
128 #define	_XOPEN_NAME_MAX		255
129 #define	_XOPEN_PATH_MAX		1024
130 #define	PASS_MAX		128	/* _PASSWORD_LEN from <pwd.h> */
131 
132 #define	NL_LANGMAX		31	/* max LANG name length */
133 #define	NL_NMAX			1
134 #endif
135 
136 #define	MB_LEN_MAX		6	/* 31-bit UTF-8 */
137 
138 #include <sys/limits.h>
139 
140 #if __POSIX_VISIBLE
141 #include <sys/syslimits.h>
142 #endif
143 
144 #endif /* !_LIMITS_H_ */
145