1 /* $OpenBSD: log.c,v 1.5 2004/07/11 03:05:50 dtucker Exp $ */
4 * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #include <sys/types.h>
20 #include <sys/socket.h>
21 #include <netinet/in.h>
22 #include <arpa/inet.h>
37 void logit(int, const char *, ...);
42 extern char *__progname;
47 openlog(__progname, LOG_PID | LOG_NDELAY, LOG_DAEMON);
53 logit(int pri, const char *fmt, ...)
63 vlog(int pri, const char *fmt, va_list ap)
68 /* best effort in out of mem situations */
69 if (asprintf(&nfmt, "%s\n", fmt) == -1) {
70 vfprintf(stderr, fmt, ap);
71 fprintf(stderr, "\n");
73 vfprintf(stderr, nfmt, ap);
78 vsyslog(pri, fmt, ap);
83 log_warn(const char *emsg, ...)
88 /* best effort to even work in out of memory situations */
90 logit(LOG_CRIT, "%s", strerror(errno));
94 if (asprintf(&nfmt, "%s: %s", emsg, strerror(errno)) == -1) {
96 vlog(LOG_CRIT, emsg, ap);
97 logit(LOG_CRIT, "%s", strerror(errno));
99 vlog(LOG_CRIT, nfmt, ap);
107 log_warnx(const char *emsg, ...)
112 vlog(LOG_CRIT, emsg, ap);
117 log_info(const char *emsg, ...)
122 vlog(LOG_INFO, emsg, ap);
127 log_debug(const char *emsg, ...)
133 vlog(LOG_DEBUG, emsg, ap);
139 fatal(const char *emsg)
142 logit(LOG_CRIT, "fatal: %s", strerror(errno));
145 logit(LOG_CRIT, "fatal: %s: %s",
146 emsg, strerror(errno));
148 logit(LOG_CRIT, "fatal: %s", emsg);
154 fatalx(const char *emsg)
161 log_sockaddr(struct sockaddr *sa)
163 static char buf[NI_MAXHOST];
165 if (getnameinfo(sa, SA_LEN(sa), buf, sizeof(buf), NULL, 0,
167 return ("(unknown)");