xref: /freebsd/include/limits.h (revision 123af6ec70016f5556da5972d4d63c7d175c06d3)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1988, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)limits.h	8.2 (Berkeley) 1/4/94
32  * $FreeBSD$
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_LINK_MAX		8
43 #define	_POSIX_MAX_CANON	255
44 #define	_POSIX_MAX_INPUT	255
45 #define	_POSIX_NAME_MAX		14
46 #define	_POSIX_PIPE_BUF		512
47 #define	_POSIX_SSIZE_MAX	32767
48 #define	_POSIX_STREAM_MAX	8
49 
50 #if __POSIX_VISIBLE >= 200112
51 #define	_POSIX_CHILD_MAX	25
52 #define	_POSIX_NGROUPS_MAX	8
53 #define	_POSIX_OPEN_MAX		20
54 #define	_POSIX_PATH_MAX		256
55 #define	_POSIX_TZNAME_MAX	6
56 #else
57 #define	_POSIX_CHILD_MAX	6
58 #define	_POSIX_NGROUPS_MAX	0
59 #define	_POSIX_OPEN_MAX		16
60 #define	_POSIX_PATH_MAX		255
61 #define	_POSIX_TZNAME_MAX	3
62 #endif
63 
64 #if __POSIX_VISIBLE >= 200112
65 #define	BC_BASE_MAX		   99	/* max ibase/obase values in bc(1) */
66 #define	BC_DIM_MAX		 2048	/* max array elements in bc(1) */
67 #define	BC_SCALE_MAX		   99	/* max scale value in bc(1) */
68 #define	BC_STRING_MAX		 1000	/* max const string length in bc(1) */
69 #define	CHARCLASS_NAME_MAX	   14	/* max character class name size */
70 #define	COLL_WEIGHTS_MAX	   10	/* max weights for order keyword */
71 #define	EXPR_NEST_MAX		   32	/* max expressions nested in expr(1) */
72 #define	LINE_MAX		 2048	/* max bytes in an input line */
73 #define	RE_DUP_MAX		  255	/* max RE's in interval notation */
74 
75 #define	_POSIX2_BC_BASE_MAX	99
76 #define	_POSIX2_BC_DIM_MAX	2048
77 #define	_POSIX2_BC_SCALE_MAX	99
78 #define	_POSIX2_BC_STRING_MAX	1000
79 #define	_POSIX2_CHARCLASS_NAME_MAX 14
80 #define	_POSIX2_COLL_WEIGHTS_MAX 2
81 #define	_POSIX2_EQUIV_CLASS_MAX	2
82 #define	_POSIX2_EXPR_NEST_MAX	32
83 #define	_POSIX2_LINE_MAX	2048
84 #define	_POSIX2_RE_DUP_MAX	255
85 #endif
86 #endif
87 
88 #if __POSIX_VISIBLE >= 199309
89 #define	_POSIX_AIO_LISTIO_MAX	2
90 #define	_POSIX_AIO_MAX		1
91 #define	_POSIX_DELAYTIMER_MAX	32
92 #define	_POSIX_MQ_OPEN_MAX	8
93 #define	_POSIX_MQ_PRIO_MAX	32
94 #define	_POSIX_RTSIG_MAX	8
95 #define	_POSIX_SEM_NSEMS_MAX	256
96 #define	_POSIX_SEM_VALUE_MAX	32767
97 #define	_POSIX_SIGQUEUE_MAX	32
98 #define	_POSIX_TIMER_MAX	32
99 
100 #define	_POSIX_CLOCKRES_MIN	20000000
101 #endif
102 
103 #if __POSIX_VISIBLE >= 199506
104 #define	_POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
105 #define	_POSIX_THREAD_KEYS_MAX	128
106 #define	_POSIX_THREAD_THREADS_MAX 64
107 #endif
108 
109 #if __POSIX_VISIBLE >= 200112
110 #define	_POSIX_HOST_NAME_MAX	255
111 #define	_POSIX_LOGIN_NAME_MAX	9
112 #define	_POSIX_SS_REPL_MAX	4
113 #define	_POSIX_SYMLINK_MAX	255
114 #define	_POSIX_SYMLOOP_MAX	8
115 #define	_POSIX_TRACE_EVENT_NAME_MAX 30
116 #define	_POSIX_TRACE_NAME_MAX	8
117 #define	_POSIX_TRACE_SYS_MAX	8
118 #define	_POSIX_TRACE_USER_EVENT_MAX 32
119 #define	_POSIX_TTY_NAME_MAX	9
120 
121 #define	_POSIX_RE_DUP_MAX	_POSIX2_RE_DUP_MAX
122 #endif
123 
124 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809
125 #define	NL_ARGMAX		4096	/* max # of position args for printf */
126 #define	NL_MSGMAX		32767
127 #define	NL_SETMAX		255
128 #define	NL_TEXTMAX		2048
129 #endif
130 
131 #if __XSI_VISIBLE
132 #define	_XOPEN_IOV_MAX		16
133 #define	_XOPEN_NAME_MAX		255
134 #define	_XOPEN_PATH_MAX		1024
135 #define	PASS_MAX		128	/* _PASSWORD_LEN from <pwd.h> */
136 
137 #define	NL_LANGMAX		31	/* max LANG name length */
138 #define	NL_NMAX			1
139 #endif
140 
141 #define	MB_LEN_MAX		6	/* 31-bit UTF-8 */
142 
143 #include <sys/limits.h>
144 
145 #if __POSIX_VISIBLE
146 #include <sys/syslimits.h>
147 #endif
148 
149 #endif /* !_LIMITS_H_ */
150