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
32#ifndef _LIMITS_H_
33#define _LIMITS_H_
34
35#include <sys/cdefs.h>
36
37#if __POSIX_VISIBLE
38#define _POSIX_ARG_MAX 4096
39#define _POSIX_LINK_MAX 8
40#define _POSIX_MAX_CANON 255
41#define _POSIX_MAX_INPUT 255
42#define _POSIX_NAME_MAX 14
43#define _POSIX_PIPE_BUF 512
44#define _POSIX_SSIZE_MAX 32767
45#define _POSIX_STREAM_MAX 8
46
47#if __POSIX_VISIBLE >= 200112
48#define _POSIX_CHILD_MAX 25
49#define _POSIX_NGROUPS_MAX 8
50#define _POSIX_OPEN_MAX 20
51#define _POSIX_PATH_MAX 256
52#define _POSIX_TZNAME_MAX 6
53#else
54#define _POSIX_CHILD_MAX 6
55#define _POSIX_NGROUPS_MAX 0
56#define _POSIX_OPEN_MAX 16
57#define _POSIX_PATH_MAX 255
58#define _POSIX_TZNAME_MAX 3
59#endif
60
61#if __POSIX_VISIBLE >= 200112
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 CHARCLASS_NAME_MAX 14 /* max character class name size */
67#define COLL_WEIGHTS_MAX 10 /* max weights for order keyword */
68#define EXPR_NEST_MAX 32 /* max expressions nested in expr(1) */
69#define LINE_MAX 2048 /* max bytes in an input line */
70#define RE_DUP_MAX 255 /* max RE's in interval notation */
71
72#define _POSIX2_BC_BASE_MAX 99
73#define _POSIX2_BC_DIM_MAX 2048
74#define _POSIX2_BC_SCALE_MAX 99
75#define _POSIX2_BC_STRING_MAX 1000
76#define _POSIX2_CHARCLASS_NAME_MAX 14
77#define _POSIX2_COLL_WEIGHTS_MAX 2
78#define _POSIX2_EQUIV_CLASS_MAX 2
79#define _POSIX2_EXPR_NEST_MAX 32
80#define _POSIX2_LINE_MAX 2048
81#define _POSIX2_RE_DUP_MAX 255
82#endif
83#endif
84
85#if __POSIX_VISIBLE >= 199309
86#define _POSIX_AIO_LISTIO_MAX 2
87#define _POSIX_AIO_MAX 1
88#define _POSIX_DELAYTIMER_MAX 32
89#define _POSIX_MQ_OPEN_MAX 8
90#define _POSIX_MQ_PRIO_MAX 32
91#define _POSIX_RTSIG_MAX 8
92#define _POSIX_SEM_NSEMS_MAX 256
93#define _POSIX_SEM_VALUE_MAX 32767
94#define _POSIX_SIGQUEUE_MAX 32
95#define _POSIX_TIMER_MAX 32
96
97#define _POSIX_CLOCKRES_MIN 20000000
98#endif
99
100#if __POSIX_VISIBLE >= 199506
101#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
102#define _POSIX_THREAD_KEYS_MAX 128
103#define _POSIX_THREAD_THREADS_MAX 64
104#endif
105
106#if __POSIX_VISIBLE >= 200112
107#define _POSIX_HOST_NAME_MAX 255
108#define _POSIX_LOGIN_NAME_MAX 9
109#define _POSIX_SS_REPL_MAX 4
110#define _POSIX_SYMLINK_MAX 255
111#define _POSIX_SYMLOOP_MAX 8
112#define _POSIX_TRACE_EVENT_NAME_MAX 30
113#define _POSIX_TRACE_NAME_MAX 8
114#define _POSIX_TRACE_SYS_MAX 8
115#define _POSIX_TRACE_USER_EVENT_MAX 32
116#define _POSIX_TTY_NAME_MAX 9
117
118#define _POSIX_RE_DUP_MAX _POSIX2_RE_DUP_MAX
119#endif
120
121#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809
122#define NL_ARGMAX 4096 /* max # of position args for printf */
123#define NL_MSGMAX 32767
124#define NL_SETMAX 255
125#define NL_TEXTMAX 2048
126#endif
127
128#if __XSI_VISIBLE
129#define _XOPEN_IOV_MAX 16
130#define _XOPEN_NAME_MAX 255
131#define _XOPEN_PATH_MAX 1024
132#define PASS_MAX 128 /* _PASSWORD_LEN from <pwd.h> */
133
134#define NL_LANGMAX 31 /* max LANG name length */
135#define NL_NMAX 1
136#endif
137
138#define MB_LEN_MAX 6 /* 31-bit UTF-8 */
139
140#if __POSIX_VISIBLE >= 202405
141#define GETENTROPY_MAX 256
142#define NSIG_MAX 128 /* _SIG_MAXSIG from <signal.h> */
143#endif
144
145#include <sys/limits.h>
146
147#if __POSIX_VISIBLE
148#include <sys/syslimits.h>
149#endif
150
151#endif /* !_LIMITS_H_ */