xref: /freebsd/include/limits.h (revision 41059135ce931c0f1014a999ffabc6bc470ce856)
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 #if __POSIX_VISIBLE >= 200112
63 #define	BC_BASE_MAX		   99	/* max ibase/obase values in bc(1) */
64 #define	BC_DIM_MAX		 2048	/* max array elements in bc(1) */
65 #define	BC_SCALE_MAX		   99	/* max scale value in bc(1) */
66 #define	BC_STRING_MAX		 1000	/* max const string length in bc(1) */
67 #define	CHARCLASS_NAME_MAX	   14	/* max character class name size */
68 #define	COLL_WEIGHTS_MAX	   10	/* max weights for order keyword */
69 #define	EXPR_NEST_MAX		   32	/* max expressions nested in expr(1) */
70 #define	LINE_MAX		 2048	/* max bytes in an input line */
71 #define	RE_DUP_MAX		  255	/* max RE's in interval notation */
72 
73 #define	_POSIX2_BC_BASE_MAX	99
74 #define	_POSIX2_BC_DIM_MAX	2048
75 #define	_POSIX2_BC_SCALE_MAX	99
76 #define	_POSIX2_BC_STRING_MAX	1000
77 #define	_POSIX2_CHARCLASS_NAME_MAX 14
78 #define	_POSIX2_COLL_WEIGHTS_MAX 2
79 #define	_POSIX2_EQUIV_CLASS_MAX	2
80 #define	_POSIX2_EXPR_NEST_MAX	32
81 #define	_POSIX2_LINE_MAX	2048
82 #define	_POSIX2_RE_DUP_MAX	255
83 #endif
84 #endif
85 
86 #if __POSIX_VISIBLE >= 199309
87 #define	_POSIX_AIO_LISTIO_MAX	2
88 #define	_POSIX_AIO_MAX		1
89 #define	_POSIX_DELAYTIMER_MAX	32
90 #define	_POSIX_MQ_OPEN_MAX	8
91 #define	_POSIX_MQ_PRIO_MAX	32
92 #define	_POSIX_RTSIG_MAX	8
93 #define	_POSIX_SEM_NSEMS_MAX	256
94 #define	_POSIX_SEM_VALUE_MAX	32767
95 #define	_POSIX_SIGQUEUE_MAX	32
96 #define	_POSIX_TIMER_MAX	32
97 
98 #define	_POSIX_CLOCKRES_MIN	20000000
99 #endif
100 
101 #if __POSIX_VISIBLE >= 199506
102 #define	_POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
103 #define	_POSIX_THREAD_KEYS_MAX	128
104 #define	_POSIX_THREAD_THREADS_MAX 64
105 #endif
106 
107 #if __POSIX_VISIBLE >= 200112
108 #define	_POSIX_HOST_NAME_MAX	255
109 #define	_POSIX_LOGIN_NAME_MAX	9
110 #define	_POSIX_SS_REPL_MAX	4
111 #define	_POSIX_SYMLINK_MAX	255
112 #define	_POSIX_SYMLOOP_MAX	8
113 #define	_POSIX_TRACE_EVENT_NAME_MAX 30
114 #define	_POSIX_TRACE_NAME_MAX	8
115 #define	_POSIX_TRACE_SYS_MAX	8
116 #define	_POSIX_TRACE_USER_EVENT_MAX 32
117 #define	_POSIX_TTY_NAME_MAX	9
118 
119 #define	_POSIX_RE_DUP_MAX	_POSIX2_RE_DUP_MAX
120 #endif
121 
122 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809
123 #define	NL_ARGMAX		65536	/* max # of position args for printf */
124 #define	NL_MSGMAX		32767
125 #define	NL_SETMAX		255
126 #define	NL_TEXTMAX		2048
127 #endif
128 
129 #if __XSI_VISIBLE
130 #define	_XOPEN_IOV_MAX		16
131 #define	_XOPEN_NAME_MAX		255
132 #define	_XOPEN_PATH_MAX		1024
133 #define	PASS_MAX		128	/* _PASSWORD_LEN from <pwd.h> */
134 
135 #define	NL_LANGMAX		31	/* max LANG name length */
136 #define	NL_NMAX			1
137 #endif
138 
139 #define	MB_LEN_MAX		6	/* 31-bit UTF-8 */
140 
141 #include <sys/limits.h>
142 
143 #if __POSIX_VISIBLE
144 #include <sys/syslimits.h>
145 #endif
146 
147 #endif /* !_LIMITS_H_ */
148