/*      $NetBSD: limits.h,v 1.45 2024/09/09 12:01:01 riastradh Exp $    */

/*
* Copyright (c) 1988, 1993
*      The Regents of the University of California.  All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*      @(#)limits.h    8.2 (Berkeley) 1/4/94
*/

#ifndef _LIMITS_H_
#define _LIMITS_H_

#include <sys/featuretest.h>

#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
   defined(_NETBSD_SOURCE)
#define _POSIX_AIO_LISTIO_MAX   2
#define _POSIX_AIO_MAX          1
#define _POSIX_ARG_MAX          4096
#define _POSIX_CHILD_MAX        25
#define _POSIX_HOST_NAME_MAX    255
#define _POSIX_LINK_MAX         8
#define _POSIX_LOGIN_NAME_MAX   9
#define _POSIX_MAX_CANON        255
#define _POSIX_MAX_INPUT        255
#define _POSIX_MQ_OPEN_MAX      8
#define _POSIX_MQ_PRIO_MAX      32
#define _POSIX_NAME_MAX         14
#define _POSIX_NGROUPS_MAX      8
#define _POSIX_OPEN_MAX         20
#define _POSIX_PATH_MAX         256
#define _POSIX_PIPE_BUF         512
#define _POSIX_RE_DUP_MAX       255
#define _POSIX_SSIZE_MAX        32767
#define _POSIX_STREAM_MAX       8
#define _POSIX_SYMLINK_MAX      255
#define _POSIX_SYMLOOP_MAX      8

/*
* Exact minimum values prescribed by:
* Open Group Base Specifications Issue 7
* https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html
*/
#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS     4
#define _POSIX_THREAD_KEYS_MAX                  128
#define _POSIX_THREAD_THREADS_MAX               64

/*
* Actual values used by libpthread, defined in terms of the above
* except for PTHREAD_KEYS_MAX which is bigger than standard mandated
* minimum value _POSIX_THREAD_KEYS_MAX, and PTHREAD_STACK_MIN which
* doesn't have a defined name for the minimum value of zero.
*/
#define PTHREAD_DESTRUCTOR_ITERATIONS   _POSIX_THREAD_DESTRUCTOR_ITERATIONS
#define PTHREAD_KEYS_MAX                256
#define PTHREAD_STACK_MIN               4096 /* XXX MIN_PAGE_SIZE */
#define PTHREAD_THREADS_MAX             _POSIX_THREAD_THREADS_MAX

#define _POSIX_TIMER_MAX        32
#define _POSIX_SEM_NSEMS_MAX    256
#define _POSIX_SIGQUEUE_MAX     32
#define _POSIX_REALTIME_SIGNALS 200112L
#define _POSIX_DELAYTIMER_MAX   32
#define _POSIX_TTY_NAME_MAX     9
#define _POSIX_TZNAME_MAX       6

#define _POSIX2_BC_BASE_MAX     99
#define _POSIX2_BC_DIM_MAX      2048
#define _POSIX2_BC_SCALE_MAX    99
#define _POSIX2_BC_STRING_MAX   1000
#define _POSIX2_CHARCLASS_NAME_MAX      14
#define _POSIX2_COLL_WEIGHTS_MAX        2
#define _POSIX2_EXPR_NEST_MAX   32
#define _POSIX2_LINE_MAX        2048
#define _POSIX2_RE_DUP_MAX      255

/*
* X/Open CAE Specifications,
* adopted in IEEE Std 1003.1-2001 XSI.
*/
#if (_POSIX_C_SOURCE - 0) >= 200112L || defined(_XOPEN_SOURCE) || \
   defined(_NETBSD_SOURCE)
#define _XOPEN_IOV_MAX          16
#define _XOPEN_NAME_MAX         256
#define _XOPEN_PATH_MAX         1024

#define PASS_MAX                128             /* Legacy */

#define CHARCLASS_NAME_MAX      14
#define NL_ARGMAX               9
#define NL_LANGMAX              14
#define NL_MSGMAX               32767
#define NL_NMAX                 1
#define NL_SETMAX               255
#define NL_TEXTMAX              2048

       /* IEEE Std 1003.1-2001 TSF */
#define _GETGR_R_SIZE_MAX       1024
#define _GETPW_R_SIZE_MAX       1024

/* Always ensure that this is consistent with <stdio.h> */
#ifndef TMP_MAX
#define TMP_MAX                 308915776       /* Legacy */
#endif
#endif /* _POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE || _NETBSD_SOURCE */

/*
* IEEE Std 1003.1-2024 (POSIX.1-2024)
*/
#if (_POSIX_C_SOURCE - 0) >= 202405L || (_XOPEN_SOURCE - 0) >= 800 || \
   defined(_NETBSD_SOURCE)
#define GETENTROPY_MAX          256
#endif

#endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */

#define MB_LEN_MAX              32      /* Allow ISO/IEC 2022 */

#include <machine/limits.h>

#ifdef __CHAR_UNSIGNED__
# define CHAR_MIN     0
# define CHAR_MAX     UCHAR_MAX
#else
# define CHAR_MIN     SCHAR_MIN
# define CHAR_MAX     SCHAR_MAX
#endif

#include <sys/syslimits.h>

#endif /* !_LIMITS_H_ */

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