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