1 /* $OpenBSD: log.c,v 1.1 2008/06/26 15:10:01 pyr 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>
30 void log_warn(const char *, ...);
31 void log_warnx(const char *, ...);
32 void log_info(const char *, ...);
33 void log_debug(const char *, ...);
34 __dead2 void fatal(const char *);
35 __dead2 void fatalx(const char *);
39 void vlog(int, const char *, va_list);
40 void logit(int, const char *, ...);
45 extern char *__progname;
50 openlog(__progname, LOG_PID | LOG_NDELAY, LOG_DAEMON);
56 logit(int pri, const char *fmt, ...)
66 vlog(int pri, const char *fmt, va_list ap)
71 /* best effort in out of mem situations */
72 if (asprintf(&nfmt, "%s\n", fmt) == -1) {
73 vfprintf(stderr, fmt, ap);
74 fprintf(stderr, "\n");
76 vfprintf(stderr, nfmt, ap);
81 vsyslog(pri, fmt, ap);
86 log_warn(const char *emsg, ...)
91 /* best effort to even work in out of memory situations */
93 logit(LOG_CRIT, "%s", strerror(errno));
97 if (asprintf(&nfmt, "%s: %s", emsg, strerror(errno)) == -1) {
99 vlog(LOG_CRIT, emsg, ap);
100 logit(LOG_CRIT, "%s", strerror(errno));
102 vlog(LOG_CRIT, nfmt, ap);
110 log_warnx(const char *emsg, ...)
115 vlog(LOG_CRIT, emsg, ap);
120 log_info(const char *emsg, ...)
125 vlog(LOG_INFO, emsg, ap);
130 log_debug(const char *emsg, ...)
136 vlog(LOG_DEBUG, emsg, ap);
142 fatal(const char *emsg)
145 logit(LOG_CRIT, "fatal: %s", strerror(errno));
148 logit(LOG_CRIT, "fatal: %s: %s",
149 emsg, strerror(errno));
151 logit(LOG_CRIT, "fatal: %s", emsg);
157 fatalx(const char *emsg)