1/* $OpenBSD: limits.h,v 1.13 2005/12/31 19:29:38 millert Exp $ */ 2/* $NetBSD: limits.h,v 1.7 1994/10/26 00:56:00 cgd Exp $ */ 3 4/* 5 * Copyright (c) 1988 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)limits.h 5.9 (Berkeley) 4/3/91 33 */ 34 35#ifndef _LIMITS_H_ 36#define _LIMITS_H_ 37 38#include <sys/cdefs.h> 39 40#if __POSIX_VISIBLE 41#define _POSIX_ARG_MAX 4096 42#define _POSIX_CHILD_MAX 25 43#define _POSIX_LINK_MAX 8 44#define _POSIX_MAX_CANON 255 45#define _POSIX_MAX_INPUT 255 46#define _POSIX_NAME_MAX 14 47#define _POSIX_NGROUPS_MAX 0 48#define _POSIX_OPEN_MAX 16 49#define _POSIX_PATH_MAX 256 50#define _POSIX_PIPE_BUF 512 51#define _POSIX_RE_DUP_MAX 255 52#define _POSIX_SSIZE_MAX 32767 53#define _POSIX_STREAM_MAX 8 54#define _POSIX_SYMLINK_MAX 255 55#define _POSIX_SYMLOOP_MAX 8 56#define _POSIX_TZNAME_MAX 3 57 58#define _POSIX2_BC_BASE_MAX 99 59#define _POSIX2_BC_DIM_MAX 2048 60#define _POSIX2_BC_SCALE_MAX 99 61#define _POSIX2_BC_STRING_MAX 1000 62#define _POSIX2_COLL_WEIGHTS_MAX 2 63#define _POSIX2_EXPR_NEST_MAX 32 64#define _POSIX2_LINE_MAX 2048 65#define _POSIX2_RE_DUP_MAX _POSIX_RE_DUP_MAX 66 67#if __POSIX_VISIBLE >= 200112 68#define _POSIX_TTY_NAME_MAX 9 /* includes trailing NUL */ 69#define _POSIX_LOGIN_NAME_MAX 9 /* includes trailing NUL */ 70#endif /* __POSIX_VISIBLE >= 200112 */ 71#endif /* __POSIX_VISIBLE */ 72 73#if __XPG_VISIBLE 74#define PASS_MAX 128 /* _PASSWORD_LEN from <pwd.h> */ 75 76#define NL_ARGMAX 9 77#define NL_LANGMAX 14 78#define NL_MSGMAX 32767 79#define NL_NMAX 1 80#define NL_SETMAX 255 81#define NL_TEXTMAX 255 82 83#define TMP_MAX 308915776 84#endif /* __XPG_VISIBLE */ 85 86#include <sys/limits.h> 87 88#if __POSIX_VISIBLE 89#include <sys/syslimits.h> 90#endif 91 92/* GLibc compatibility definitions. 93 Note that these are defined by GCC's <limits.h> 94 only when __GNU_LIBRARY__ is defined, i.e. when 95 targetting GLibc. */ 96#ifndef LONG_LONG_MIN 97#define LONG_LONG_MIN LLONG_MIN 98#endif 99 100#ifndef LONG_LONG_MAX 101#define LONG_LONG_MAX LLONG_MAX 102#endif 103 104#ifndef ULONG_LONG_MAX 105#define ULONG_LONG_MAX ULLONG_MAX 106#endif 107 108/* BSD compatibility definitions. */ 109#if __BSD_VISIBLE 110#define SIZE_T_MAX ULONG_MAX 111#endif /* __BSD_VISIBLE */ 112 113#define SSIZE_MAX LONG_MAX 114 115#define MB_LEN_MAX 4 116 117/* New code should use sysconf(_SC_PAGE_SIZE) instead. */ 118#ifndef PAGE_SIZE 119#define PAGE_SIZE 4096 120#endif 121#ifndef PAGESIZE 122#define PAGESIZE PAGE_SIZE 123#endif 124 125/* glibc's PAGE_MASK is the bitwise negation of BSD's! TODO: remove? */ 126#define PAGE_MASK (~(PAGE_SIZE - 1)) 127 128#endif /* !_LIMITS_H_ */ 129