2 * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
31 static const char *log_procname;
34 log_init(int n_debug, int facility)
38 log_procinit(getprogname());
41 openlog(getprogname(), LOG_PID | LOG_NDELAY, facility);
47 log_procinit(const char *procname)
50 log_procname = procname;
66 logit(int pri, const char *fmt, ...)
76 vlog(int pri, const char *fmt, va_list ap)
79 int saved_errno = errno;
82 /* best effort in out of mem situations */
83 if (asprintf(&nfmt, "%s: %s\n", log_procname, fmt) == -1) {
84 fprintf(stderr, "%s: ", log_procname);
85 vfprintf(stderr, fmt, ap);
86 fprintf(stderr, "\n");
88 vfprintf(stderr, nfmt, ap);
93 vsyslog(pri, fmt, ap);
99 log_warn(const char *emsg, ...)
103 int saved_errno = errno;
105 /* best effort to even work in out of memory situations */
107 logit(LOG_ERR, "%s", strerror(saved_errno));
111 if (asprintf(&nfmt, "%s: %s", emsg,
112 strerror(saved_errno)) == -1) {
114 vlog(LOG_ERR, emsg, ap);
115 logit(LOG_ERR, "%s", strerror(saved_errno));
117 vlog(LOG_ERR, nfmt, ap);
127 log_warnx(const char *emsg, ...)
132 vlog(LOG_ERR, emsg, ap);
137 log_info(const char *emsg, ...)
142 vlog(LOG_INFO, emsg, ap);
147 log_debug(const char *emsg, ...)
153 vlog(LOG_DEBUG, emsg, ap);
159 vfatalc(int code, const char *emsg, va_list ap)
161 static char s[BUFSIZ];
165 (void)vsnprintf(s, sizeof(s), emsg, ap);
172 logit(LOG_CRIT, "fatal in %s: %s%s%s",
173 log_procname, s, sep, strerror(code));
175 logit(LOG_CRIT, "fatal in %s%s%s", log_procname, sep, s);
179 fatal(const char *emsg, ...)
184 vfatalc(errno, emsg, ap);
190 fatalx(const char *emsg, ...)
195 vfatalc(0, emsg, ap);