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/* $OpenBSD: yplog.c,v 1.8 2002/07/19 02:38:40 deraadt Exp $ */
/*
* Copyright (c) 1996 Charles D. Cranor
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Charles D. Cranor.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* yplog.c: replacement yplog routines for
* Mats O Jansson's ypserv program, as added by
* Chuck Cranor.
*/
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdarg.h>
#include "yplog.h"
static FILE *logfp = NULL; /* the log file */
/*
* yplog(): like a printf, but to the log file. does the flush
* and data for you.
*/
void
yplog(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vyplog(fmt, ap);
va_end(ap);
}
/*
* vyplog() support routine for yplog()
*/
void
vyplog(const char *fmt, va_list ap)
{
time_t t;
if (logfp == NULL)
return;
(void)time(&t);
fprintf(logfp,"%.15s ", ctime(&t) + 4);
vfprintf(logfp, fmt, ap);
fprintf(logfp,"\n");
fflush(logfp);
}
/*
* open log
*/
void
ypopenlog(void)
{
static char logfn[] = "/var/yp/ypserv.log";
if (access(logfn, W_OK) == -1)
return;
logfp = fopen("/var/yp/ypserv.log", "a");
if (logfp == NULL)
return;
yplog("yplog opened");
}
/*
* close log
*/
void
ypcloselog(void)
{
if (logfp) {
yplog("yplog closed");
fclose(logfp);
logfp = NULL;
}
}
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