include/limits.h

   1 /*      $NetBSD: limits.h,v 1.34 2015/05/29 07:37:31 manu Exp $ */
   2
   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  */
  33
  34 #ifndef _LIMITS_H_
  35 #define _LIMITS_H_
  36
  37 #include <sys/featuretest.h>
  38
  39 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
  40     defined(_NETBSD_SOURCE)
  41 #define _POSIX_AIO_LISTIO_MAX   2
  42 #define _POSIX_AIO_MAX          1
  43 #define _POSIX_ARG_MAX          4096
  44 #define _POSIX_CHILD_MAX        25
  45 #define _POSIX_HOST_NAME_MAX    255
  46 #define _POSIX_LINK_MAX         8
  47 #define _POSIX_LOGIN_NAME_MAX   9
  48 #define _POSIX_MAX_CANON        255
  49 #define _POSIX_MAX_INPUT        255
  50 #define _POSIX_MQ_OPEN_MAX      8
  51 #define _POSIX_MQ_PRIO_MAX      32
  52 #define _POSIX_NAME_MAX         14
  53 #define _POSIX_NGROUPS_MAX      8
  54 #define _POSIX_OPEN_MAX         20
  55 #define _POSIX_PATH_MAX         256
  56 #define _POSIX_PIPE_BUF         512
  57 #define _POSIX_RE_DUP_MAX       255
  58 #define _POSIX_SSIZE_MAX        32767
  59 #define _POSIX_STREAM_MAX       8
  60 #define _POSIX_SYMLINK_MAX      255
  61 #define _POSIX_SYMLOOP_MAX      8
  62
  63 /*
  64  * We have not implemented these yet
  65  *
  66  * _POSIX_THREAD_ATTR_STACKADDR
  67  * _POSIX_THREAD_ATTR_STACKSIZE
  68  * _POSIX_THREAD_CPUTIME
  69  * _POSIX_THREAD_PRIORITY_SCHEDULING
  70  * _POSIX_THREAD_PRIO_INHERIT
  71  * _POSIX_THREAD_PRIO_PROTECT
  72  * _POSIX_THREAD_PROCESS_SHARED
  73  * _POSIX_THREAD_SAFE_FUNCTIONS
  74  * _POSIX_THREAD_SPORADIC_SERVER
  75  */
  76
  77 /*
  78  * The following 3 are defined in
  79  * Open Group Base Specifications Issue 7
  80  */
  81 #define _POSIX_THREAD_DESTRUCTOR_ITERATIONS     4
  82 #define _POSIX_THREAD_KEYS_MAX                  128
  83 #define _POSIX_THREAD_THREADS_MAX               64
  84
  85 /*
  86  * These are the correct names, defined in terms of the above
  87  * except for PTHREAD_KEYS_MAX which is bigger than standard
  88  * mandated minimum value _POSIX_THREAD_KEYS_MAX.
  89  */
  90 #define PTHREAD_DESTRUCTOR_ITERATIONS   _POSIX_THREAD_DESTRUCTOR_ITERATIONS
  91 #define PTHREAD_KEYS_MAX                256
  92 /* Not yet: PTHREAD_STACK_MIN */
  93 #define PTHREAD_THREADS_MAX             _POSIX_THREAD_THREADS_MAX
  94
  95 #define _POSIX_TIMER_MAX        32
  96 #define _POSIX_TTY_NAME_MAX     9
  97 #define _POSIX_TZNAME_MAX       6
  98
  99 #define _POSIX2_BC_BASE_MAX     99
 100 #define _POSIX2_BC_DIM_MAX      2048
 101 #define _POSIX2_BC_SCALE_MAX    99
 102 #define _POSIX2_BC_STRING_MAX   1000
 103 #define _POSIX2_CHARCLASS_NAME_MAX      14
 104 #define _POSIX2_COLL_WEIGHTS_MAX        2
 105 #define _POSIX2_EXPR_NEST_MAX   32
 106 #define _POSIX2_LINE_MAX        2048
 107 #define _POSIX2_RE_DUP_MAX      255
 108
 109 /*
 110  * X/Open CAE Specifications,
 111  * adopted in IEEE Std 1003.1-2001 XSI.
 112  */
 113 #if (_POSIX_C_SOURCE - 0) >= 200112L || defined(_XOPEN_SOURCE) || \
 114     defined(_NETBSD_SOURCE)
 115 #define _XOPEN_IOV_MAX          16
 116 #define _XOPEN_NAME_MAX         256
 117 #define _XOPEN_PATH_MAX         1024
 118
 119 #define PASS_MAX                128             /* Legacy */
 120
 121 #define CHARCLASS_NAME_MAX      14
 122 #define NL_ARGMAX               9
 123 #define NL_LANGMAX              14
 124 #define NL_MSGMAX               32767
 125 #define NL_NMAX                 1
 126 #define NL_SETMAX               255
 127 #define NL_TEXTMAX              2048
 128
 129         /* IEEE Std 1003.1-2001 TSF */
 130 #define _GETGR_R_SIZE_MAX       1024
 131 #define _GETPW_R_SIZE_MAX       1024
 132
 133 /* Always ensure that this is consistent with <stdio.h> */
 134 #ifndef TMP_MAX
 135 #define TMP_MAX                 308915776       /* Legacy */
 136 #endif
 137 #endif /* _POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE || _NETBSD_SOURCE */
 138
 139 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
 140
 141 #define MB_LEN_MAX              32      /* Allow ISO/IEC 2022 */
 142
 143 /*
 144  * X/Open Extended API set 2 (a.k.a. C063)
 145  * This hides unimplemented functions from GNU configure until
 146  * we are done implementing them.
 147  */
 148 #if !defined(_INCOMPLETE_XOPEN_C063)
 149 #define __stub_fexecve
 150 #endif
 151
 152 #include <machine/limits.h>
 153
 154 #ifdef __CHAR_UNSIGNED__
 155 # define CHAR_MIN     0
 156 # define CHAR_MAX     UCHAR_MAX
 157 #else
 158 # define CHAR_MIN     SCHAR_MIN
 159 # define CHAR_MAX     SCHAR_MAX
 160 #endif
 161
 162 #include <sys/syslimits.h>
 163
 164 #endif /* !_LIMITS_H_ */