/*

 * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>

 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson

 *

 * 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. The name of the author may not be used to endorse or promote products

 *    derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.

 */

#ifndef _LOG_H_

#define _LOG_H_

#include "event2/util.h"

#ifdef __GNUC__

#define EV_CHECK_FMT(a,b) __attribute__((format(printf, a, b)))

#define EV_NORETURN __attribute__((noreturn))

#else

#define EV_CHECK_FMT(a,b)

#define EV_NORETURN

#endif

#define _EVENT_ERR_ABORT ((int)0xdeaddead)

void event_err(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN;

void event_warn(const char *fmt, ...) EV_CHECK_FMT(1,2);

void event_sock_err(int eval, evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(3,4) EV_NORETURN;

void event_sock_warn(evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(2,3);

void event_errx(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN;

void event_warnx(const char *fmt, ...) EV_CHECK_FMT(1,2);

void event_msgx(const char *fmt, ...) EV_CHECK_FMT(1,2);

void _event_debugx(const char *fmt, ...) EV_CHECK_FMT(1,2);

#ifdef USE_DEBUG

#define event_debug(x) _event_debugx x

#else

#define event_debug(x) do {;} while (0)

#endif

#undef EV_CHECK_FMT

#endif