1 /*	$OpenBSD: log.h,v 1.6 2010/04/21 20:02:40 nicm Exp $	*/
2 
3 /*
4  * Copyright © 2013
5  *	Thorsten “mirabilos” Glaser <tg@mirbsd.org>
6  * Copyright (c) 2000-2004 Niels Provos <provos@citi.umich.edu>
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. The name of the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 #ifndef _LOG_H_
32 #define _LOG_H_ "$MirOS: src/lib/libevent/log.h,v 1.4 2013/10/31 20:06:30 tg Exp $"
33 
34 #ifdef __GNUC__
35 #define EV_CHECK_FMT(a,b) __attribute__((__format__(__printf__, a, b)))
36 #else
37 #define EV_CHECK_FMT(a,b)
38 #endif
39 
40 __dead
41 void event_err(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3);
42 void event_warn(const char *fmt, ...) EV_CHECK_FMT(1,2);
43 __dead
44 void event_errx(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3);
45 void event_warnx(const char *fmt, ...) EV_CHECK_FMT(1,2);
46 void event_msgx(const char *fmt, ...) EV_CHECK_FMT(1,2);
47 void _event_debugx(const char *fmt, ...) EV_CHECK_FMT(1,2);
48 
49 #ifdef USE_DEBUG
50 #define event_debug(x) _event_debugx x
51 #else
52 #define event_debug(x) do {;} while (0)
53 #endif
54 
55 #undef EV_CHECK_FMT
56 
57 #endif
58