1 /* $OpenBSD: syslog.c,v 1.33 2015/10/31 02:57:16 deraadt Exp $ */
2 /*
3 * Copyright (c) 1983, 1988, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #include <sys/types.h>
32 #include <stdarg.h>
33 #include <syslog.h>
34 #include <time.h>
35
36 static struct syslog_data sdata = SYSLOG_DATA_INIT;
37
38 /*
39 * syslog, vsyslog --
40 * print message on log file; output is intended for syslogd(8).
41 */
42 void
syslog(int pri,const char * fmt,...)43 syslog(int pri, const char *fmt, ...)
44 {
45 va_list ap;
46
47 va_start(ap, fmt);
48 vsyslog(pri, fmt, ap);
49 va_end(ap);
50 }
51 DEF_WEAK(syslog);
52
53 void
vsyslog(int pri,const char * fmt,va_list ap)54 vsyslog(int pri, const char *fmt, va_list ap)
55 {
56 __vsyslog_r(pri, &sdata, 0, fmt, ap);
57 }
58 DEF_WEAK(vsyslog);
59
60 void
openlog(const char * ident,int logstat,int logfac)61 openlog(const char *ident, int logstat, int logfac)
62 {
63 openlog_r(ident, logstat, logfac, &sdata);
64 }
65
66 void
closelog(void)67 closelog(void)
68 {
69 closelog_r(&sdata);
70 }
71
72 /* setlogmask -- set the log mask level */
73 int
setlogmask(int pmask)74 setlogmask(int pmask)
75 {
76 return (setlogmask_r(pmask, &sdata));
77 }
78
79 /* setlogmask -- set the log mask level */
80 int
setlogmask_r(int pmask,struct syslog_data * data)81 setlogmask_r(int pmask, struct syslog_data *data)
82 {
83 int omask;
84
85 omask = data->log_mask;
86 if (pmask != 0)
87 data->log_mask = pmask;
88 return (omask);
89 }
90 DEF_WEAK(setlogmask_r);
91