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 /*-

  * Copyright (c) 1991, 1993

  *	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. ***REMOVED*** - see 

  *    ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change

  * 4. 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.

  *

  *	@(#)compat.h	8.13 (Berkeley) 2/21/94

  */

 #ifndef	_COMPAT_H_

 #define	_COMPAT_H_

 #include <sys/types.h>

 /*

  * If your system doesn't typedef u_long, u_short, or u_char, change

  * the 0 to a 1.

  */

 #if 0

 typedef unsigned char	u_char;		/* 4.[34]BSD names. */

 typedef unsigned int	u_int;

 typedef unsigned long	u_long;

 typedef unsigned short	u_short;

 #endif

 /* If your system doesn't typedef size_t, change the 0 to a 1. */

 #if 0

 typedef unsigned int	size_t;		/* POSIX, 4.[34]BSD names. */

 #endif

 /* If your system doesn't typedef ssize_t, change the 0 to a 1. */

 #if 0

 typedef	int		ssize_t;	/* POSIX names. */

 #endif

 /*

  * If your system doesn't have the POSIX type for a signal mask,

  * change the 0 to a 1.

  */

 #if 0					/* POSIX 1003.1 signal mask type. */

 typedef unsigned int	sigset_t;

 #endif

 /*

  * If your system's vsprintf returns a char *, not an int,

  * change the 0 to a 1.

  */

 #if defined (__sun) && !defined(__SVR4) /* SUNOS */

 #define	VSPRINTF_CHARSTAR

 #endif

 /*

  * If you don't have POSIX 1003.1 signals, the signal code surrounding the 

  * temporary file creation is intended to block all of the possible signals

  * long enough to create the file and unlink it.  All of this stuff is

  * intended to use old-style BSD calls to fake POSIX 1003.1 calls.

  */

 #ifdef	NO_POSIX_SIGNALS

 #define	sigemptyset(set)	(*(set) = 0)

 #define	sigfillset(set)		(*(set) = ~(sigset_t)0, 0)

 #define	sigaddset(set,signo)	(*(set) |= sigmask(signo), 0)

 #define	sigdelset(set,signo)	(*(set) &= ~sigmask(signo), 0)

 #define	sigismember(set,signo)	((*(set) & sigmask(signo)) != 0)

 #define	SIG_BLOCK	1

 #define	SIG_UNBLOCK	2

 #define	SIG_SETMASK	3

 static int __sigtemp;		/* For the use of sigprocmask */

 /* Repeated test of oset != NULL is to avoid "*0". */

 #define	sigprocmask(how, set, oset)					\

 	((__sigtemp =							\

 	(((how) == SIG_BLOCK) ?						\

 		sigblock(0) | *(set) :					\

 	(((how) == SIG_UNBLOCK) ?					\

 		sigblock(0) & ~(*(set)) :				\

 	((how) == SIG_SETMASK ?						\

 		*(set) : sigblock(0))))),				\

 	((oset) ? (*(oset ? oset : set) = sigsetmask(__sigtemp)) :	\

 		sigsetmask(__sigtemp)), 0)

 #endif

 /*

  * If your system doesn't have an include file with the appropriate

  * byte order set, make sure you specify the correct one.

  */

 #ifndef BYTE_ORDER

 #define	LITTLE_ENDIAN	1234		/* LSB first: i386, vax */

 #define	BIG_ENDIAN	4321		/* MSB first: 68000, ibm, net */

 #define	BYTE_ORDER	BIG_ENDIAN	/* Set for your system. */

 #endif

 #if defined(SYSV) || defined(SYSTEM5) || defined(__sun)

 #define	index(a, b)		strchr(a, b)

 #define	rindex(a, b)		strrchr(a, b)

 #define	bzero(a, b)		memset(a, 0, b)

 #define	bcmp(a, b, n)		memcmp(a, b, n)

 #define	bcopy(a, b, n)		memmove(b, a, n)

 #endif

 #if defined(BSD) || defined(BSD4_3)

 #define	strchr(a, b)		index(a, b)

 #define	strrchr(a, b)		rindex(a, b)

 #define	memcmp(a, b, n)		bcmp(a, b, n)

 #define	memmove(a, b, n)	bcopy(b, a, n)

 #endif

 /*

  * 32-bit machine.  The db routines are theoretically independent of

  * the size of u_shorts and u_longs, but I don't know that anyone has

  * ever actually tried it.  At a minimum, change the following #define's

  * if you are trying to compile on a different type of system.

  */

 #ifndef USHRT_MAX

 #define	USHRT_MAX		0xFFFF

 #define	ULONG_MAX		0xFFFFFFFF

 #endif

 #ifndef O_ACCMODE			/* POSIX 1003.1 access mode mask. */

 #define	O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)

 #endif

 #ifndef	_POSIX2_RE_DUP_MAX		/* POSIX 1003.2 RE limit. */

 #define	_POSIX2_RE_DUP_MAX	255

 #endif

 /*

  * If you can't provide lock values in the open(2) call.  Note, this

  * allows races to happen.

  */

 #ifndef O_EXLOCK			/* 4.4BSD extension. */

 #define	O_EXLOCK	0

 #endif

 #ifndef O_SHLOCK			/* 4.4BSD extension. */

 #define	O_SHLOCK	0

 #endif

 #ifndef EFTYPE

 #define	EFTYPE		EINVAL		/* POSIX 1003.1 format errno. */

 #endif

 #ifndef	WCOREDUMP			/* 4.4BSD extension */

 #define	WCOREDUMP(a)	0

 #endif

 #ifndef	STDERR_FILENO

 #define	STDIN_FILENO	0		/* ANSI C #defines */

 #define	STDOUT_FILENO	1

 #define	STDERR_FILENO	2

 #endif

 #ifndef SEEK_END

 #define	SEEK_SET	0		/* POSIX 1003.1 seek values */

 #define	SEEK_CUR	1

 #define	SEEK_END	2

 #endif

 #ifndef _POSIX_VDISABLE			/* POSIX 1003.1 disabling char. */

 #define	_POSIX_VDISABLE	0		/* Some systems used 0. */

 #endif

 #ifndef	TCSASOFT			/* 4.4BSD extension. */

 #define	TCSASOFT	0

 #endif

 #ifndef _POSIX2_RE_DUP_MAX		/* POSIX 1003.2 values. */

 #define	_POSIX2_RE_DUP_MAX	255

 #endif

 #ifndef NULL				/* ANSI C #defines NULL everywhere. */

 #define	NULL		0

 #endif

 #ifndef	MAX				/* Usually found in <sys/param.h>. */

 #define	MAX(_a,_b)	((_a)<(_b)?(_b):(_a))

 #endif

 #ifndef	MIN				/* Usually found in <sys/param.h>. */

 #define	MIN(_a,_b)	((_a)<(_b)?(_a):(_b))

 #endif

 /* Default file permissions. */

 #ifndef DEFFILEMODE			/* 4.4BSD extension. */

 #define	DEFFILEMODE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)

 #endif

 #ifndef __sun

 #ifndef S_ISDIR				/* POSIX 1003.1 file type tests. */

 #define	S_ISDIR(m)	((m & 0170000) == 0040000)	/* directory */

 #define	S_ISCHR(m)	((m & 0170000) == 0020000)	/* char special */

 #define	S_ISBLK(m)	((m & 0170000) == 0060000)	/* block special */

 #define	S_ISREG(m)	((m & 0170000) == 0100000)	/* regular file */

 #define	S_ISFIFO(m)	((m & 0170000) == 0010000)	/* fifo */

 #endif

 #ifndef S_ISLNK				/* BSD POSIX 1003.1 extensions */

 #define	S_ISLNK(m)	((m & 0170000) == 0120000)	/* symbolic link */

 #define	S_ISSOCK(m)	((m & 0170000) == 0140000)	/* socket */

 #endif

 #endif /* __sun */

 /* The type of a va_list. */

 #ifndef _BSD_VA_LIST_			/* 4.4BSD #define. */

 #define	_BSD_VA_LIST_	char *

 #endif

 #endif /* !_COMPAT_H_ */