1 /* $NetBSD: log.c,v 1.4 2015/01/30 00:07:06 joerg Exp $ */
2 /* $OpenBSD: err.c,v 1.2 2002/06/25 15:50:15 mickey Exp $ */
7 * Based on err.c, which was adapted from OpenBSD libc *err* *warn* code.
9 * Copyright (c) 2005-2012 Niels Provos and Nick Mathewson
11 * Copyright (c) 2000 Dug Song <dugsong@monkey.org>
14 * The Regents of the University of California. All rights reserved.
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
19 * 1. Redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution.
24 * 3. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
41 #include "event2/event-config.h"
42 #include <sys/cdefs.h>
43 __RCSID("$NetBSD: log.c,v 1.4 2015/01/30 00:07:06 joerg Exp $");
47 #define WIN32_LEAN_AND_MEAN
49 #undef WIN32_LEAN_AND_MEAN
51 #include <sys/types.h>
57 #include "event2/event.h"
58 #include "event2/util.h"
60 #include "log-internal.h"
62 static void _warn_helper(int severity
, const char *errstr
, const char *fmt
,
63 va_list ap
) __printflike(3, 0);
64 static void event_log(int severity
, const char *msg
);
65 static void event_exit(int errcode
) EV_NORETURN
;
67 static event_fatal_cb fatal_fn
= NULL
;
70 event_set_fatal_callback(event_fatal_cb cb
)
76 event_exit(int errcode
)
80 exit(errcode
); /* should never be reached */
81 } else if (errcode
== _EVENT_ERR_ABORT
)
88 event_err(int eval
, const char *fmt
, ...)
93 _warn_helper(_EVENT_LOG_ERR
, strerror(errno
), fmt
, ap
);
99 event_warn(const char *fmt
, ...)
104 _warn_helper(_EVENT_LOG_WARN
, strerror(errno
), fmt
, ap
);
109 event_sock_err(int eval
, evutil_socket_t sock
, const char *fmt
, ...)
112 int err
= evutil_socket_geterror(sock
);
115 _warn_helper(_EVENT_LOG_ERR
, evutil_socket_error_to_string(err
), fmt
, ap
);
121 event_sock_warn(evutil_socket_t sock
, const char *fmt
, ...)
124 int err
= evutil_socket_geterror(sock
);
127 _warn_helper(_EVENT_LOG_WARN
, evutil_socket_error_to_string(err
), fmt
, ap
);
132 event_errx(int eval
, const char *fmt
, ...)
137 _warn_helper(_EVENT_LOG_ERR
, NULL
, fmt
, ap
);
143 event_warnx(const char *fmt
, ...)
148 _warn_helper(_EVENT_LOG_WARN
, NULL
, fmt
, ap
);
153 event_msgx(const char *fmt
, ...)
158 _warn_helper(_EVENT_LOG_MSG
, NULL
, fmt
, ap
);
163 _event_debugx(const char *fmt
, ...)
168 _warn_helper(_EVENT_LOG_DEBUG
, NULL
, fmt
, ap
);
173 _warn_helper(int severity
, const char *errstr
, const char *fmt
, va_list ap
)
179 evutil_vsnprintf(buf
, sizeof(buf
), fmt
, ap
);
185 if (len
< sizeof(buf
) - 3) {
186 evutil_snprintf(buf
+ len
, sizeof(buf
) - len
, ": %s", errstr
);
190 event_log(severity
, buf
);
193 static event_log_cb log_fn
= NULL
;
196 event_set_log_callback(event_log_cb cb
)
202 event_log(int severity
, const char *msg
)
205 log_fn(severity
, msg
);
207 const char *severity_str
;
209 case _EVENT_LOG_DEBUG
:
210 severity_str
= "debug";
213 severity_str
= "msg";
215 case _EVENT_LOG_WARN
:
216 severity_str
= "warn";
219 severity_str
= "err";
222 severity_str
= "???";
225 (void)fprintf(stderr
, "[%s] %s\n", severity_str
, msg
);