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/* $Id: log.c,v 1.9 2005/05/16 22:52:21 armin Exp $ */
/*
* Copyright (c) 2003,2004,2005 Armin Wolfermann
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include "dnsproxy.h"
static int log_on_syslog = 0;
void
log_syslog(const char *tag)
{
openlog(tag, LOG_NDELAY, LOG_DAEMON);
++log_on_syslog;
}
static void
log_printf(int level, const char *fmt, va_list ap)
{
if (log_on_syslog)
vsyslog(level, fmt, ap);
else {
(void)vfprintf(stderr, fmt, ap);
if (strchr(fmt, '\n') == NULL)
fprintf(stderr, "\n");
}
}
void
info(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
log_printf(LOG_INFO, fmt, ap);
va_end(ap);
}
void
error(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
log_printf(LOG_ERR, fmt, ap);
va_end(ap);
}
void
fatal(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
log_printf(LOG_ERR, fmt, ap);
va_end(ap);
exit(1);
}
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