| /* $OpenBSD: limits.h,v 1.13 2005/12/31 19:29:38 millert Exp $ */ |
| /* $NetBSD: limits.h,v 1.7 1994/10/26 00:56:00 cgd Exp $ */ |
| |
| /* |
| * Copyright (c) 1988 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 5.9 (Berkeley) 4/3/91 |
| */ |
| |
| #ifndef _LIMITS_H_ |
| #define _LIMITS_H_ |
| |
| #include <sys/cdefs.h> |
| |
| /* Historically bionic exposed the content of <float.h> from <limits.h> and <sys/limits.h> too. */ |
| #include <float.h> |
| |
| #include <linux/limits.h> |
| |
| #define PASS_MAX 128 /* _PASSWORD_LEN from <pwd.h> */ |
| |
| #define NL_ARGMAX 9 |
| #define NL_LANGMAX 14 |
| #define NL_MSGMAX 32767 |
| #define NL_NMAX 1 |
| #define NL_SETMAX 255 |
| #define NL_TEXTMAX 255 |
| |
| #define TMP_MAX 308915776 |
| |
| /* TODO: get all these from the compiler's <limits.h>? */ |
| |
| #define CHAR_BIT 8 |
| #ifdef __LP64__ |
| # define LONG_BIT 64 |
| #else |
| # define LONG_BIT 32 |
| #endif |
| #define WORD_BIT 32 |
| |
| #define SCHAR_MAX 0x7f /* max value for a signed char */ |
| #define SCHAR_MIN (-0x7f-1) /* min value for a signed char */ |
| |
| #define UCHAR_MAX 0xffU /* max value for an unsigned char */ |
| #ifdef __CHAR_UNSIGNED__ |
| # define CHAR_MIN 0 /* min value for a char */ |
| # define CHAR_MAX 0xff /* max value for a char */ |
| #else |
| # define CHAR_MAX 0x7f |
| # define CHAR_MIN (-0x7f-1) |
| #endif |
| |
| #define USHRT_MAX 0xffffU /* max value for an unsigned short */ |
| #define SHRT_MAX 0x7fff /* max value for a short */ |
| #define SHRT_MIN (-0x7fff-1) /* min value for a short */ |
| |
| #define UINT_MAX 0xffffffffU /* max value for an unsigned int */ |
| #define INT_MAX 0x7fffffff /* max value for an int */ |
| #define INT_MIN (-0x7fffffff-1) /* min value for an int */ |
| |
| #ifdef __LP64__ |
| # define ULONG_MAX 0xffffffffffffffffUL /* max value for unsigned long */ |
| # define LONG_MAX 0x7fffffffffffffffL /* max value for a signed long */ |
| # define LONG_MIN (-0x7fffffffffffffffL-1) /* min value for a signed long */ |
| #else |
| # define ULONG_MAX 0xffffffffUL /* max value for an unsigned long */ |
| # define LONG_MAX 0x7fffffffL /* max value for a long */ |
| # define LONG_MIN (-0x7fffffffL-1)/* min value for a long */ |
| #endif |
| |
| # define ULLONG_MAX 0xffffffffffffffffULL /* max value for unsigned long long */ |
| # define LLONG_MAX 0x7fffffffffffffffLL /* max value for a signed long long */ |
| # define LLONG_MIN (-0x7fffffffffffffffLL-1) /* min value for a signed long long */ |
| |
| /* GLibc compatibility definitions. |
| Note that these are defined by GCC's <limits.h> |
| only when __GNU_LIBRARY__ is defined, i.e. when |
| targetting GLibc. */ |
| #ifndef LONG_LONG_MIN |
| #define LONG_LONG_MIN LLONG_MIN |
| #endif |
| |
| #ifndef LONG_LONG_MAX |
| #define LONG_LONG_MAX LLONG_MAX |
| #endif |
| |
| #ifndef ULONG_LONG_MAX |
| #define ULONG_LONG_MAX ULLONG_MAX |
| #endif |
| |
| #if defined(__USE_BSD) || defined(__BIONIC__) /* Historically bionic exposed these. */ |
| # define UID_MAX UINT_MAX /* max value for a uid_t */ |
| # define GID_MAX UINT_MAX /* max value for a gid_t */ |
| #if defined(__LP64__) |
| #define SIZE_T_MAX ULONG_MAX |
| #else |
| #define SIZE_T_MAX UINT_MAX |
| #endif |
| #endif |
| |
| #if defined(__LP64__) |
| #define SSIZE_MAX LONG_MAX |
| #else |
| #define SSIZE_MAX INT_MAX |
| #endif |
| |
| #define MB_LEN_MAX 4 |
| |
| #define NZERO 20 |
| |
| #define IOV_MAX 1024 |
| #define SEM_VALUE_MAX 0x3fffffff |
| |
| /* POSIX says these belong in <unistd.h> but BSD has some in <limits.h>. */ |
| #include <bits/posix_limits.h> |
| |
| #define HOST_NAME_MAX _POSIX_HOST_NAME_MAX |
| #define LOGIN_NAME_MAX 256 |
| #define TTY_NAME_MAX 32 |
| |
| /* >= _POSIX_THREAD_DESTRUCTOR_ITERATIONS */ |
| #define PTHREAD_DESTRUCTOR_ITERATIONS 4 |
| /* >= _POSIX_THREAD_KEYS_MAX */ |
| #define PTHREAD_KEYS_MAX 128 |
| /* bionic has no specific limit */ |
| #undef PTHREAD_THREADS_MAX |
| |
| #endif /* !_LIMITS_H_ */ |
