1 /* $OpenBSD: err.c,v 1.2 2002/06/25 15:50:15 mickey Exp $ */
6 * Based on err.c, which was adapted from OpenBSD libc *err* *warn* code.
8 * Copyright (c) 2005-2012 Niels Provos and Nick Mathewson
10 * Copyright (c) 2000 Dug Song <dugsong@monkey.org>
13 * The Regents of the University of California. All rights reserved.
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the distribution.
23 * 3. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 #include "event2/event-config.h"
44 #define WIN32_LEAN_AND_MEAN
46 #undef WIN32_LEAN_AND_MEAN
48 #include <sys/types.h>
54 #include "event2/event.h"
55 #include "event2/util.h"
57 #include "log-internal.h"
59 static void _warn_helper(int severity, const char *errstr, const char *fmt,
61 static void event_log(int severity, const char *msg);
62 static void event_exit(int errcode) EV_NORETURN;
64 static event_fatal_cb fatal_fn = NULL;
67 event_set_fatal_callback(event_fatal_cb cb)
73 event_exit(int errcode)
77 exit(errcode); /* should never be reached */
78 } else if (errcode == _EVENT_ERR_ABORT)
85 event_err(int eval, const char *fmt, ...)
90 _warn_helper(_EVENT_LOG_ERR, strerror(errno), fmt, ap);
96 event_warn(const char *fmt, ...)
101 _warn_helper(_EVENT_LOG_WARN, strerror(errno), fmt, ap);
106 event_sock_err(int eval, evutil_socket_t sock, const char *fmt, ...)
109 int err = evutil_socket_geterror(sock);
112 _warn_helper(_EVENT_LOG_ERR, evutil_socket_error_to_string(err), fmt, ap);
118 event_sock_warn(evutil_socket_t sock, const char *fmt, ...)
121 int err = evutil_socket_geterror(sock);
124 _warn_helper(_EVENT_LOG_WARN, evutil_socket_error_to_string(err), fmt, ap);
129 event_errx(int eval, const char *fmt, ...)
134 _warn_helper(_EVENT_LOG_ERR, NULL, fmt, ap);
140 event_warnx(const char *fmt, ...)
145 _warn_helper(_EVENT_LOG_WARN, NULL, fmt, ap);
150 event_msgx(const char *fmt, ...)
155 _warn_helper(_EVENT_LOG_MSG, NULL, fmt, ap);
160 _event_debugx(const char *fmt, ...)
165 _warn_helper(_EVENT_LOG_DEBUG, NULL, fmt, ap);
170 _warn_helper(int severity, const char *errstr, const char *fmt, va_list ap)
176 evutil_vsnprintf(buf, sizeof(buf), fmt, ap);
182 if (len < sizeof(buf) - 3) {
183 evutil_snprintf(buf + len, sizeof(buf) - len, ": %s", errstr);
187 event_log(severity, buf);
190 static event_log_cb log_fn = NULL;
193 event_set_log_callback(event_log_cb cb)
199 event_log(int severity, const char *msg)
202 log_fn(severity, msg);
204 const char *severity_str;
206 case _EVENT_LOG_DEBUG:
207 severity_str = "debug";
210 severity_str = "msg";
212 case _EVENT_LOG_WARN:
213 severity_str = "warn";
216 severity_str = "err";
219 severity_str = "???";
222 (void)fprintf(stderr, "[%s] %s\n", severity_str, msg);