rspamd/contrib/librdns/logger.c

/* Copyright (c) 2014, Vsevolod Stakhov
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *       * Redistributions of source code must retain the above copyright
 *         notice, this list of conditions and the following disclaimer.
 *       * 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.
 *
 * THIS SOFTWARE IS PROVIDED ''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 AUTHOR 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 <stdio.h>
#include "dns_private.h"
#include "logger.h"

void
rdns_logger_internal (void *log_data, enum rdns_log_level level,
		const char *function, const char *format,
		va_list args)
{
	struct rdns_resolver *resolver = log_data;

	if (level <= resolver->log_level) {
		fprintf (stderr, "rdns: %s: ", function);
		vfprintf (stderr, format, args);
		fprintf (stderr, "\n");
	}
}

void rdns_logger_helper (struct rdns_resolver *resolver,
		enum rdns_log_level level,
		const char *function, const char *format, ...)
{
	va_list va;

	if (resolver->logger != NULL) {
		va_start (va, format);
		resolver->logger (resolver->log_data, level, function, format, va);
		va_end (va);
	}
}