232 lines
7.1 KiB
C
232 lines
7.1 KiB
C
/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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* @(#)compat.h 8.13 (Berkeley) 2/21/94
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*/
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#ifndef _COMPAT_H_
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#define _COMPAT_H_
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#include <sys/types.h>
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/*
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* If your system doesn't typedef u_long, u_short, or u_char, change
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* the 0 to a 1.
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*/
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#if 0
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typedef unsigned char u_char; /* 4.[34]BSD names. */
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typedef unsigned int u_int;
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typedef unsigned long u_long;
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typedef unsigned short u_short;
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#endif
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/* If your system doesn't typedef size_t, change the 0 to a 1. */
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#if 0
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typedef unsigned int size_t; /* POSIX, 4.[34]BSD names. */
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#endif
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/* If your system doesn't typedef ssize_t, change the 0 to a 1. */
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#if 1
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typedef int ssize_t; /* POSIX names. */
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#endif
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/*
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* If your system doesn't have the POSIX type for a signal mask,
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* change the 0 to a 1.
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*/
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#if 0 /* POSIX 1003.1 signal mask type. */
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typedef unsigned int sigset_t;
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#endif
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/*
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* If your system's vsprintf returns a char *, not an int,
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* change the 0 to a 1.
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*/
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#if 0
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#define VSPRINTF_CHARSTAR
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#endif
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/*
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* If you don't have POSIX 1003.1 signals, the signal code surrounding the
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* temporary file creation is intended to block all of the possible signals
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* long enough to create the file and unlink it. All of this stuff is
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* intended to use old-style BSD calls to fake POSIX 1003.1 calls.
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*/
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#ifdef NO_POSIX_SIGNALS
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#define sigemptyset(set) (*(set) = 0)
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#define sigfillset(set) (*(set) = ~(sigset_t)0, 0)
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#define sigaddset(set,signo) (*(set) |= sigmask(signo), 0)
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#define sigdelset(set,signo) (*(set) &= ~sigmask(signo), 0)
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#define sigismember(set,signo) ((*(set) & sigmask(signo)) != 0)
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#define SIG_BLOCK 1
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#define SIG_UNBLOCK 2
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#define SIG_SETMASK 3
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static int __sigtemp; /* For the use of sigprocmask */
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/* Repeated test of oset != NULL is to avoid "*0". */
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#define sigprocmask(how, set, oset) \
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((__sigtemp = \
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(((how) == SIG_BLOCK) ? \
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sigblock(0) | *(set) : \
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(((how) == SIG_UNBLOCK) ? \
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sigblock(0) & ~(*(set)) : \
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((how) == SIG_SETMASK ? \
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*(set) : sigblock(0))))), \
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((oset) ? (*(oset ? oset : set) = sigsetmask(__sigtemp)) : \
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sigsetmask(__sigtemp)), 0)
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#endif
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/*
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* If your system doesn't have an include file with the appropriate
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* byte order set, make sure you specify the correct one.
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*/
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#ifndef BYTE_ORDER
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#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
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#define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
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#define BYTE_ORDER LITTLE_ENDIAN /* Set for your system. */
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#endif
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#if defined(SYSV) || defined(SYSTEM5)
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#define index(a, b) strchr(a, b)
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#define rindex(a, b) strrchr(a, b)
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#define bzero(a, b) memset(a, 0, b)
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#define bcmp(a, b, n) memcmp(a, b, n)
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#define bcopy(a, b, n) memmove(b, a, n)
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#endif
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#if defined(BSD) || defined(BSD4_3)
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#define strchr(a, b) index(a, b)
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#define strrchr(a, b) rindex(a, b)
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#define memcmp(a, b, n) bcmp(a, b, n)
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#define memmove(a, b, n) bcopy(b, a, n)
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#endif
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/*
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* 32-bit machine. The db routines are theoretically independent of
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* the size of u_shorts and u_longs, but I don't know that anyone has
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* ever actually tried it. At a minimum, change the following #define's
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* if you are trying to compile on a different type of system.
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*/
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#ifndef USHRT_MAX
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#define USHRT_MAX 0xFFFF
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#define ULONG_MAX 0xFFFFFFFF
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#endif
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#ifndef O_ACCMODE /* POSIX 1003.1 access mode mask. */
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#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
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#endif
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#ifndef _POSIX2_RE_DUP_MAX /* POSIX 1003.2 RE limit. */
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#define _POSIX2_RE_DUP_MAX 255
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#endif
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/*
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* If you can't provide lock values in the open(2) call. Note, this
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* allows races to happen.
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*/
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#ifndef O_EXLOCK /* 4.4BSD extension. */
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#define O_EXLOCK 0
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#endif
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#ifndef O_SHLOCK /* 4.4BSD extension. */
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#define O_SHLOCK 0
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#endif
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#ifndef EFTYPE
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#define EFTYPE EINVAL /* POSIX 1003.1 format errno. */
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#endif
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#ifndef WCOREDUMP /* 4.4BSD extension */
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#define WCOREDUMP(a) 0
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#endif
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#ifndef STDERR_FILENO
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#define STDIN_FILENO 0 /* ANSI C #defines */
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#define STDOUT_FILENO 1
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#define STDERR_FILENO 2
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#endif
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#ifndef SEEK_END
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#define SEEK_SET 0 /* POSIX 1003.1 seek values */
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#define SEEK_CUR 1
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#define SEEK_END 2
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#endif
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#ifndef _POSIX_VDISABLE /* POSIX 1003.1 disabling char. */
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#define _POSIX_VDISABLE 0 /* Some systems used 0. */
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#endif
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#ifndef TCSASOFT /* 4.4BSD extension. */
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#define TCSASOFT 0
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#endif
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#ifndef _POSIX2_RE_DUP_MAX /* POSIX 1003.2 values. */
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#define _POSIX2_RE_DUP_MAX 255
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#endif
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#ifndef NULL /* ANSI C #defines NULL everywhere. */
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#define NULL 0
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#endif
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#ifndef MAX /* Usually found in <sys/param.h>. */
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#define MAX(_a,_b) ((_a)<(_b)?(_b):(_a))
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#endif
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#ifndef MIN /* Usually found in <sys/param.h>. */
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#define MIN(_a,_b) ((_a)<(_b)?(_a):(_b))
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#endif
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/* Default file permissions. */
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#ifndef DEFFILEMODE /* 4.4BSD extension. */
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#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
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#endif
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#ifndef S_ISDIR /* POSIX 1003.1 file type tests. */
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#define S_ISDIR(m) ((m & 0170000) == 0040000) /* directory */
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#define S_ISCHR(m) ((m & 0170000) == 0020000) /* char special */
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#define S_ISBLK(m) ((m & 0170000) == 0060000) /* block special */
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#define S_ISREG(m) ((m & 0170000) == 0100000) /* regular file */
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#define S_ISFIFO(m) ((m & 0170000) == 0010000) /* fifo */
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#endif
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#ifndef S_ISLNK /* BSD POSIX 1003.1 extensions */
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#define S_ISLNK(m) ((m & 0170000) == 0120000) /* symbolic link */
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#define S_ISSOCK(m) ((m & 0170000) == 0140000) /* socket */
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#endif
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/* The type of a va_list. */
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#ifndef _BSD_VA_LIST_ /* 4.4BSD #define. */
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#define _BSD_VA_LIST_ char *
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#endif
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#endif /* !_COMPAT_H_ */
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