1 /* 2 * Copyright (c) 2000-2007 Niels Provos <provos (at) citi.umich.edu> 3 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson 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 #include "event2/util.h" 31 32 #ifdef __GNUC__ 33 #define EV_CHECK_FMT(a,b) __attribute__((format(printf, a, b))) 34 #define EV_NORETURN __attribute__((noreturn)) 35 #else 36 #define EV_CHECK_FMT(a,b) 37 #define EV_NORETURN 38 #endif 39 40 #define _EVENT_ERR_ABORT ((int)0xdeaddead) 41 42 void event_err(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN; 43 void event_warn(const char *fmt, ...) EV_CHECK_FMT(1,2); 44 void event_sock_err(int eval, evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(3,4) EV_NORETURN; 45 void event_sock_warn(evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(2,3); 46 void event_errx(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN; 47 void event_warnx(const char *fmt, ...) EV_CHECK_FMT(1,2); 48 void event_msgx(const char *fmt, ...) EV_CHECK_FMT(1,2); 49 void _event_debugx(const char *fmt, ...) EV_CHECK_FMT(1,2); 50 51 #ifdef USE_DEBUG 52 #define event_debug(x) _event_debugx x 53 #else 54 #define event_debug(x) do {;} while (0) 55 #endif 56 57 #undef EV_CHECK_FMT 58 59 #endif 60
