external/bsd/libevent/dist/log-internal.h

   1 /*      $NetBSD: log-internal.h,v 1.4 2015/01/29 07:26:02 spz Exp $     */
   2 /*
   3  * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
   4  * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28 #ifndef _LOG_H_
  29 #define _LOG_H_
  30
  31 #include "event2/util.h"
  32
  33 #ifdef __GNUC__
  34 #define EV_CHECK_FMT(a,b) __attribute__((format(printf, a, b)))
  35 #define EV_NORETURN __attribute__((noreturn))
  36 #else
  37 #define EV_CHECK_FMT(a,b)
  38 #define EV_NORETURN
  39 #endif
  40
  41 #define _EVENT_ERR_ABORT ((int)0xdeaddead)
  42
  43 void event_err(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN;
  44 void event_warn(const char *fmt, ...) EV_CHECK_FMT(1,2);
  45 void event_sock_err(int eval, evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(3,4) EV_NORETURN;
  46 void event_sock_warn(evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(2,3);
  47 void event_errx(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN;
  48 void event_warnx(const char *fmt, ...) EV_CHECK_FMT(1,2);
  49 void event_msgx(const char *fmt, ...) EV_CHECK_FMT(1,2);
  50 void _event_debugx(const char *fmt, ...) EV_CHECK_FMT(1,2);
  51
  52 #ifdef USE_DEBUG
  53 #define event_debug(x) _event_debugx x
  54 #else
  55 #define event_debug(x) do {;} while (/*CONSTCOND*/0)
  56 #endif
  57
  58 #undef EV_CHECK_FMT
  59
  60 #endif