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 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 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 61 openlog(const char *ident, int logstat, int logfac) 62 { 63 openlog_r(ident, logstat, logfac, &sdata); 64 } 65 66 void 67 closelog(void) 68 { 69 closelog_r(&sdata); 70 } 71 72 /* setlogmask -- set the log mask level */ 73 int 74 setlogmask(int pmask) 75 { 76 return (setlogmask_r(pmask, &sdata)); 77 } 78 79 /* setlogmask -- set the log mask level */ 80 int 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