The Tor Browser: ipc/chromium/src/third_party/libevent/log.c@6474c204b198 (annotated)

ipc/chromium/src/third_party/libevent/log.c@6474c204b198 (annotated)

ipc/chromium/src/third_party/libevent/log.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*	$OpenBSD: err.c,v 1.2 2002/06/25 15:50:15 mickey Exp $	*/
 /*
  * log.c
  *
  * Based on err.c, which was adapted from OpenBSD libc *err* *warn* code.
  *
  * Copyright (c) 2005-2012 Niels Provos and Nick Mathewson
  *
  * Copyright (c) 2000 Dug Song <dugsong@monkey.org>
  *
  * Copyright (c) 1993
  *	The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 #include "event2/event-config.h"
 #ifdef WIN32
 #include <winsock2.h>
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #undef WIN32_LEAN_AND_MEAN
 #endif
 #include <sys/types.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
 #include <string.h>
 #include <errno.h>
 #include "event2/event.h"
 #include "event2/util.h"
 #include "log-internal.h"
 static void _warn_helper(int severity, const char *errstr, const char *fmt,
     va_list ap);
 static void event_log(int severity, const char *msg);
 static void event_exit(int errcode) EV_NORETURN;
 static event_fatal_cb fatal_fn = NULL;
 void
 event_set_fatal_callback(event_fatal_cb cb)
 {
 	fatal_fn = cb;
 }
 static void
 event_exit(int errcode)
 {
 	if (fatal_fn) {
 		fatal_fn(errcode);
 		exit(errcode); /* should never be reached */
 	} else if (errcode == _EVENT_ERR_ABORT)
 		abort();
 	else
 		exit(errcode);
 }
 void
 event_err(int eval, const char *fmt, ...)
 {
 	va_list ap;
 	va_start(ap, fmt);
 	_warn_helper(_EVENT_LOG_ERR, strerror(errno), fmt, ap);
 	va_end(ap);
 	event_exit(eval);
 }
 void
 event_warn(const char *fmt, ...)
 {
 	va_list ap;
 	va_start(ap, fmt);
 	_warn_helper(_EVENT_LOG_WARN, strerror(errno), fmt, ap);
 	va_end(ap);
 }
 void
 event_sock_err(int eval, evutil_socket_t sock, const char *fmt, ...)
 {
 	va_list ap;
 	int err = evutil_socket_geterror(sock);
 	va_start(ap, fmt);
 	_warn_helper(_EVENT_LOG_ERR, evutil_socket_error_to_string(err), fmt, ap);
 	va_end(ap);
 	event_exit(eval);
 }
 void
 event_sock_warn(evutil_socket_t sock, const char *fmt, ...)
 {
 	va_list ap;
 	int err = evutil_socket_geterror(sock);
 	va_start(ap, fmt);
 	_warn_helper(_EVENT_LOG_WARN, evutil_socket_error_to_string(err), fmt, ap);
 	va_end(ap);
 }
 void
 event_errx(int eval, const char *fmt, ...)
 {
 	va_list ap;
 	va_start(ap, fmt);
 	_warn_helper(_EVENT_LOG_ERR, NULL, fmt, ap);
 	va_end(ap);
 	event_exit(eval);
 }
 void
 event_warnx(const char *fmt, ...)
 {
 	va_list ap;
 	va_start(ap, fmt);
 	_warn_helper(_EVENT_LOG_WARN, NULL, fmt, ap);
 	va_end(ap);
 }
 void
 event_msgx(const char *fmt, ...)
 {
 	va_list ap;
 	va_start(ap, fmt);
 	_warn_helper(_EVENT_LOG_MSG, NULL, fmt, ap);
 	va_end(ap);
 }
 void
 _event_debugx(const char *fmt, ...)
 {
 	va_list ap;
 	va_start(ap, fmt);
 	_warn_helper(_EVENT_LOG_DEBUG, NULL, fmt, ap);
 	va_end(ap);
 }
 static void
 _warn_helper(int severity, const char *errstr, const char *fmt, va_list ap)
 {
 	char buf[1024];
 	size_t len;
 	if (fmt != NULL)
 		evutil_vsnprintf(buf, sizeof(buf), fmt, ap);
 	else
 		buf[0] = '\0';
 	if (errstr) {
 		len = strlen(buf);
 		if (len < sizeof(buf) - 3) {
 			evutil_snprintf(buf + len, sizeof(buf) - len, ": %s", errstr);
 		}
 	}
 	event_log(severity, buf);
 }
 static event_log_cb log_fn = NULL;
 void
 event_set_log_callback(event_log_cb cb)
 {
 	log_fn = cb;
 }
 static void
 event_log(int severity, const char *msg)
 {
 	if (log_fn)
 		log_fn(severity, msg);
 	else {
 		const char *severity_str;
 		switch (severity) {
 		case _EVENT_LOG_DEBUG:
 			severity_str = "debug";
 			break;
 		case _EVENT_LOG_MSG:
 			severity_str = "msg";
 			break;
 		case _EVENT_LOG_WARN:
 			severity_str = "warn";
 			break;
 		case _EVENT_LOG_ERR:
 			severity_str = "err";
 			break;
 		default:
 			severity_str = "???";
 			break;
 		}
 		(void)fprintf(stderr, "[%s] %s\n", severity_str, msg);
 	}
 }

The Tor Browser / annotate

ipc/chromium/src/third_party/libevent/log.c@6474c204b198 (annotated)

ipc/chromium/src/third_party/libevent/log.c