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/*
 * Copyright (c) 1982, 1986, 1988, 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.
 * 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.
 *
 *	@(#)syslog.h	8.1 (Berkeley) 6/2/93
 */
 
#ifndef _SYS_SYSLOG_H
#define _SYS_SYSLOG_H 1
 
#include <features.h>
#define __need___va_list
#include <stdarg.h>
 
 
#define	_PATH_LOG	"/dev/log"
 
/*
 * priorities/facilities are encoded into a single 32-bit quantity, where the
 * bottom 3 bits are the priority (0-7) and the top 28 bits are the facility
 * (0-big number).  Both the priorities and the facilities map roughly
 * one-to-one to strings in the syslogd(8) source code.  This mapping is
 * included in this file.
 *
 * priorities (these are ordered)
 */
#define	LOG_EMERG	0	/* system is unusable */
#define	LOG_ALERT	1	/* action must be taken immediately */
#define	LOG_CRIT	2	/* critical conditions */
#define	LOG_ERR		3	/* error conditions */
#define	LOG_WARNING	4	/* warning conditions */
#define	LOG_NOTICE	5	/* normal but significant condition */
#define	LOG_INFO	6	/* informational */
#define	LOG_DEBUG	7	/* debug-level messages */
 
#define	LOG_PRIMASK	0x07	/* mask to extract priority part (internal) */
				/* extract priority */
#define	LOG_PRI(p)	((p) & LOG_PRIMASK)
#define	LOG_MAKEPRI(fac, pri)	(((fac) << 3) | (pri))
 
#ifdef SYSLOG_NAMES
#define	INTERNAL_NOPRI	0x10	/* the "no priority" priority */
				/* mark "facility" */
#define	INTERNAL_MARK	LOG_MAKEPRI(LOG_NFACILITIES, 0)
typedef struct _code {
	char	*c_name;
	int	c_val;
} CODE;
 
CODE prioritynames[] =
  {
    { "alert", LOG_ALERT },
    { "crit", LOG_CRIT },
    { "debug", LOG_DEBUG },
    { "emerg", LOG_EMERG },
    { "err", LOG_ERR },
    { "error", LOG_ERR },		/* DEPRECATED */
    { "info", LOG_INFO },
    { "none", INTERNAL_NOPRI },		/* INTERNAL */
    { "notice", LOG_NOTICE },
    { "panic", LOG_EMERG },		/* DEPRECATED */
    { "warn", LOG_WARNING },		/* DEPRECATED */
    { "warning", LOG_WARNING },
    { NULL, -1 }
  };
#endif
 
/* facility codes */
#define	LOG_KERN	(0<<3)	/* kernel messages */
#define	LOG_USER	(1<<3)	/* random user-level messages */
#define	LOG_MAIL	(2<<3)	/* mail system */
#define	LOG_DAEMON	(3<<3)	/* system daemons */
#define	LOG_AUTH	(4<<3)	/* security/authorization messages */
#define	LOG_SYSLOG	(5<<3)	/* messages generated internally by syslogd */
#define	LOG_LPR		(6<<3)	/* line printer subsystem */
#define	LOG_NEWS	(7<<3)	/* network news subsystem */
#define	LOG_UUCP	(8<<3)	/* UUCP subsystem */
#define	LOG_CRON	(9<<3)	/* clock daemon */
#define	LOG_AUTHPRIV	(10<<3)	/* security/authorization messages (private) */
#define	LOG_FTP		(11<<3)	/* ftp daemon */
 
	/* other codes through 15 reserved for system use */
#define	LOG_LOCAL0	(16<<3)	/* reserved for local use */
#define	LOG_LOCAL1	(17<<3)	/* reserved for local use */
#define	LOG_LOCAL2	(18<<3)	/* reserved for local use */
#define	LOG_LOCAL3	(19<<3)	/* reserved for local use */
#define	LOG_LOCAL4	(20<<3)	/* reserved for local use */
#define	LOG_LOCAL5	(21<<3)	/* reserved for local use */
#define	LOG_LOCAL6	(22<<3)	/* reserved for local use */
#define	LOG_LOCAL7	(23<<3)	/* reserved for local use */
 
#define	LOG_NFACILITIES	24	/* current number of facilities */
#define	LOG_FACMASK	0x03f8	/* mask to extract facility part */
				/* facility of pri */
#define	LOG_FAC(p)	(((p) & LOG_FACMASK) >> 3)
 
#ifdef SYSLOG_NAMES
CODE facilitynames[] =
  {
    { "auth", LOG_AUTH },
    { "authpriv", LOG_AUTHPRIV },
    { "cron", LOG_CRON },
    { "daemon", LOG_DAEMON },
    { "ftp", LOG_FTP },
    { "kern", LOG_KERN },
    { "lpr", LOG_LPR },
    { "mail", LOG_MAIL },
    { "mark", INTERNAL_MARK },		/* INTERNAL */
    { "news", LOG_NEWS },
    { "security", LOG_AUTH },		/* DEPRECATED */
    { "syslog", LOG_SYSLOG },
    { "user", LOG_USER },
    { "uucp", LOG_UUCP },
    { "local0", LOG_LOCAL0 },
    { "local1", LOG_LOCAL1 },
    { "local2", LOG_LOCAL2 },
    { "local3", LOG_LOCAL3 },
    { "local4", LOG_LOCAL4 },
    { "local5", LOG_LOCAL5 },
    { "local6", LOG_LOCAL6 },
    { "local7", LOG_LOCAL7 },
    { NULL, -1 }
  };
#endif
 
/*
 * arguments to setlogmask.
 */
#define	LOG_MASK(pri)	(1 << (pri))		/* mask for one priority */
#define	LOG_UPTO(pri)	((1 << ((pri)+1)) - 1)	/* all priorities through pri */
 
/*
 * Option flags for openlog.
 *
 * LOG_ODELAY no longer does anything.
 * LOG_NDELAY is the inverse of what it used to be.
 */
#define	LOG_PID		0x01	/* log the pid with each message */
#define	LOG_CONS	0x02	/* log on the console if errors in sending */
#define	LOG_ODELAY	0x04	/* delay open until first syslog() (default) */
#define	LOG_NDELAY	0x08	/* don't delay open */
#define	LOG_NOWAIT	0x10	/* don't wait for console forks: DEPRECATED */
#define	LOG_PERROR	0x20	/* log to stderr as well */
 
__BEGIN_DECLS
 
/* Close desriptor used to write to system logger.  */
extern void closelog (void) __THROW;
 
/* Open connection to system logger.  */
extern void openlog (__const char *__ident, int __option, int __facility)
     __THROW;
 
/* Set the log mask level.  */
extern int setlogmask (int __mask) __THROW;
 
/* Generate a log message using FMT string and option arguments.  */
extern void syslog (int __pri, __const char *__fmt, ...) __THROW
     __attribute__ ((__format__(__printf__, 2, 3)));
 
#ifdef __USE_BSD
/* Generate a log message using FMT and using arguments pointed to by AP.  */
extern void vsyslog (int __pri, __const char *__fmt, __gnuc_va_list __ap)
     __THROW __attribute__ ((__format__(__printf__, 2, 0)));
#endif
 
__END_DECLS
 
#endif /* sys/syslog.h */