154 lines
5.1 KiB
C
154 lines
5.1 KiB
C
/* $OpenBSD: limits.h,v 1.13 2005/12/31 19:29:38 millert Exp $ */
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/* $NetBSD: limits.h,v 1.7 1994/10/26 00:56:00 cgd Exp $ */
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/*
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* Copyright (c) 1988 The Regents of the University of California.
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* 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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* @(#)limits.h 5.9 (Berkeley) 4/3/91
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*/
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#ifndef _LIMITS_H_
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#define _LIMITS_H_
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#include <sys/cdefs.h>
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/* Historically bionic exposed the content of <float.h> from <limits.h> and <sys/limits.h> too. */
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#include <float.h>
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#include <linux/limits.h>
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#define PASS_MAX 128 /* _PASSWORD_LEN from <pwd.h> */
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#define NL_ARGMAX 9
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#define NL_LANGMAX 14
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#define NL_MSGMAX 32767
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#define NL_NMAX 1
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#define NL_SETMAX 255
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#define NL_TEXTMAX 255
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#define TMP_MAX 308915776
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/* TODO: get all these from the compiler's <limits.h>? */
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#define CHAR_BIT 8
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#ifdef __LP64__
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# define LONG_BIT 64
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#else
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# define LONG_BIT 32
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#endif
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#define SCHAR_MAX 0x7f /* max value for a signed char */
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#define SCHAR_MIN (-0x7f-1) /* min value for a signed char */
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#define UCHAR_MAX 0xffU /* max value for an unsigned char */
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#ifdef __CHAR_UNSIGNED__
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# define CHAR_MIN 0 /* min value for a char */
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# define CHAR_MAX 0xff /* max value for a char */
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#else
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# define CHAR_MAX 0x7f
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# define CHAR_MIN (-0x7f-1)
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#endif
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#define USHRT_MAX 0xffffU /* max value for an unsigned short */
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#define SHRT_MAX 0x7fff /* max value for a short */
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#define SHRT_MIN (-0x7fff-1) /* min value for a short */
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#define UINT_MAX 0xffffffffU /* max value for an unsigned int */
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#define INT_MAX 0x7fffffff /* max value for an int */
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#define INT_MIN (-0x7fffffff-1) /* min value for an int */
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#ifdef __LP64__
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# define ULONG_MAX 0xffffffffffffffffUL /* max value for unsigned long */
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# define LONG_MAX 0x7fffffffffffffffL /* max value for a signed long */
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# define LONG_MIN (-0x7fffffffffffffffL-1) /* min value for a signed long */
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#else
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# define ULONG_MAX 0xffffffffUL /* max value for an unsigned long */
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# define LONG_MAX 0x7fffffffL /* max value for a long */
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# define LONG_MIN (-0x7fffffffL-1)/* min value for a long */
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#endif
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# define ULLONG_MAX 0xffffffffffffffffULL /* max value for unsigned long long */
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# define LLONG_MAX 0x7fffffffffffffffLL /* max value for a signed long long */
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# define LLONG_MIN (-0x7fffffffffffffffLL-1) /* min value for a signed long long */
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/* GLibc compatibility definitions.
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Note that these are defined by GCC's <limits.h>
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only when __GNU_LIBRARY__ is defined, i.e. when
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targetting GLibc. */
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#ifndef LONG_LONG_MIN
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#define LONG_LONG_MIN LLONG_MIN
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#endif
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#ifndef LONG_LONG_MAX
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#define LONG_LONG_MAX LLONG_MAX
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#endif
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#ifndef ULONG_LONG_MAX
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#define ULONG_LONG_MAX ULLONG_MAX
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#endif
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#if defined(__USE_BSD) || defined(__BIONIC__) /* Historically bionic exposed these. */
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# define UID_MAX UINT_MAX /* max value for a uid_t */
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# define GID_MAX UINT_MAX /* max value for a gid_t */
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#if defined(__LP64__)
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#define SIZE_T_MAX ULONG_MAX
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#else
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#define SIZE_T_MAX UINT_MAX
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#endif
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#endif
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#if defined(__LP64__)
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#define SSIZE_MAX LONG_MAX
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#else
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#define SSIZE_MAX INT_MAX
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#endif
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#define MB_LEN_MAX 4
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#define IOV_MAX 1024
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#define SEM_VALUE_MAX 0x3fffffff
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/* POSIX says these belong in <unistd.h> but BSD has some in <limits.h>. */
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#include <bits/posix_limits.h>
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#define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
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#define LOGIN_NAME_MAX 256
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#define TTY_NAME_MAX 32
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#define _POSIX_VERSION 200809L
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#define _POSIX2_VERSION _POSIX_VERSION
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#define _XOPEN_VERSION 700 /* by Posix definition */
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/* >= _POSIX_THREAD_DESTRUCTOR_ITERATIONS */
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#define PTHREAD_DESTRUCTOR_ITERATIONS 4
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/* >= _POSIX_THREAD_KEYS_MAX */
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#define PTHREAD_KEYS_MAX 128
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/* bionic has no specific limit */
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#undef PTHREAD_THREADS_MAX
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#endif /* !_LIMITS_H_ */
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