80 lines
3.8 KiB
C
80 lines
3.8 KiB
C
/* $OpenBSD: syslimits.h,v 1.15 2022/02/22 16:58:08 deraadt Exp $ */
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/* $NetBSD: syslimits.h,v 1.12 1995/10/05 05:26:19 thorpej Exp $ */
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/*
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)syslimits.h 8.1 (Berkeley) 6/2/93
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*/
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#include <sys/cdefs.h>
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#if __POSIX_VISIBLE || __XPG_VISIBLE || __BSD_VISIBLE
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#define ARG_MAX (512 * 1024) /* max bytes for an exec function */
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#define CHILD_MAX 80 /* max simultaneous processes */
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#define LINK_MAX 32767 /* max file link count */
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#define MAX_CANON 255 /* max bytes in term canon input line */
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#define MAX_INPUT 255 /* max bytes in terminal input */
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#define NAME_MAX 255 /* max bytes in a file name */
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#define NGROUPS_MAX 16 /* max supplemental group id's */
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#define OPEN_MAX 64 /* max open files per process */
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#define PATH_MAX 1024 /* max bytes in pathname */
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#define PIPE_BUF 512 /* max bytes for atomic pipe writes */
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#define SYMLINK_MAX PATH_MAX /* max bytes in a symbolic link */
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#define SYMLOOP_MAX 32 /* max symlinks per path (for loops) */
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#define BC_BASE_MAX INT_MAX /* max ibase/obase values in bc(1) */
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#define BC_DIM_MAX 65535 /* max array elements in bc(1) */
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#define BC_SCALE_MAX INT_MAX /* max scale value in bc(1) */
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#define BC_STRING_MAX INT_MAX /* max const string length in bc(1) */
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#define COLL_WEIGHTS_MAX 2 /* max weights for order keyword */
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#define EXPR_NEST_MAX 32 /* max expressions nested in expr(1) */
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#define LINE_MAX 2048 /* max bytes in an input line */
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#ifndef RE_DUP_MAX
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#define RE_DUP_MAX 255 /* max RE's in interval notation */
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#define SEM_VALUE_MAX UINT_MAX /* max value of a sem_* semaphore */
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#endif
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#if __XPG_VISIBLE
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#define IOV_MAX 1024 /* max # of iov's (readv,sendmsg,etc) */
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#define NZERO 20 /* default "nice" */
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#endif /* __XPG_VISIBLE */
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#endif /* __POSIX_VISIBLE || __XPG_VISIBLE || __BSD_VISIBLE */
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#if __XPG_VISIBLE >= 500 || __POSIX_VISIBLE >= 199506 || __BSD_VISIBLE
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#define TTY_NAME_MAX 260 /* max tty device name length w/ NUL */
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#define LOGIN_NAME_MAX 32 /* max login name length w/ NUL */
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#endif /* __XPG_VISIBLE >= 500 || __POSIX_VISIBLE >= 199506 || __BSD_VISIBLE */
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#if __POSIX_VISIBLE >= 200112
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#define HOST_NAME_MAX 255 /* max hostname length w/o NUL */
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#endif
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#define _MAXCOMLEN 24 /* includes NUL */
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