1 /*
2 * Copyright (c) 2002, 2003 MATPOCKuH. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25 #include <stdarg.h>
26 #include <stdio.h>
27 #include <syslog.h>
28
29 #include "logger.h"
30
31 int daemon_mode = 0;
32
33 void
set_daemon_mode(const char * ident)34 set_daemon_mode(const char *ident)
35 {
36 openlog(ident, LOG_PID, LOG_DAEMON);
37 daemon_mode = 1;
38 }
39
40 void
vlogger(const char * fmt,va_list ap)41 vlogger(const char *fmt, va_list ap)
42 {
43 if(daemon_mode)
44 vsyslog(LOG_ERR, fmt, ap);
45 else
46 vfprintf(stderr, fmt, ap);
47 }
48
49 void
logger(const char * fmt,...)50 logger(const char *fmt, ...)
51 {
52 va_list ap;
53
54 va_start(ap, fmt);
55 vlogger(fmt, ap);
56 va_end(ap);
57 }
58