michael@0: /*
michael@0:  * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
michael@0:  * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
michael@0:  *
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions
michael@0:  * are met:
michael@0:  * 1. Redistributions of source code must retain the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer.
michael@0:  * 2. Redistributions in binary form must reproduce the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer in the
michael@0:  *    documentation and/or other materials provided with the distribution.
michael@0:  * 3. The name of the author may not be used to endorse or promote products
michael@0:  *    derived from this software without specific prior written permission.
michael@0:  *
michael@0:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
michael@0:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
michael@0:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
michael@0:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
michael@0:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
michael@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
michael@0:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0:  */
michael@0: #ifndef _LOG_H_
michael@0: #define _LOG_H_
michael@0: 
michael@0: #include "event2/util.h"
michael@0: 
michael@0: #ifdef __GNUC__
michael@0: #define EV_CHECK_FMT(a,b) __attribute__((format(printf, a, b)))
michael@0: #define EV_NORETURN __attribute__((noreturn))
michael@0: #else
michael@0: #define EV_CHECK_FMT(a,b)
michael@0: #define EV_NORETURN
michael@0: #endif
michael@0: 
michael@0: #define _EVENT_ERR_ABORT ((int)0xdeaddead)
michael@0: 
michael@0: void event_err(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN;
michael@0: void event_warn(const char *fmt, ...) EV_CHECK_FMT(1,2);
michael@0: void event_sock_err(int eval, evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(3,4) EV_NORETURN;
michael@0: void event_sock_warn(evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(2,3);
michael@0: void event_errx(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN;
michael@0: void event_warnx(const char *fmt, ...) EV_CHECK_FMT(1,2);
michael@0: void event_msgx(const char *fmt, ...) EV_CHECK_FMT(1,2);
michael@0: void _event_debugx(const char *fmt, ...) EV_CHECK_FMT(1,2);
michael@0: 
michael@0: #ifdef USE_DEBUG
michael@0: #define event_debug(x) _event_debugx x
michael@0: #else
michael@0: #define event_debug(x) do {;} while (0)
michael@0: #endif
michael@0: 
michael@0: #undef EV_CHECK_FMT
michael@0: 
michael@0: #endif