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      1 /*	$NetBSD: support.c,v 1.2 2014/03/29 22:30:27 dholland Exp $	*/
      2 /*-
      3  * Copyright (c) 2014 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by David A. Holland.
      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  *
     18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     28  * POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include <stdio.h>
     32 #include <stdarg.h>
     33 #include <syslog.h>
     34 #include <errno.h>
     35 #include <err.h>
     36 
     37 #include "hunt.h"
     38 
     39 __RCSID("$NetBSD: support.c,v 1.2 2014/03/29 22:30:27 dholland Exp $");
     40 
     41 void
     42 complain(int level, const char *fmt, ...)
     43 {
     44 	va_list ap;
     45 #ifdef LOG
     46 	char buf[4096];
     47 	int serrno = errno;
     48 #endif
     49 
     50 	va_start(ap, fmt);
     51 #ifdef LOG
     52 	vsnprintf(buf, sizeof(buf), fmt, ap);
     53 	snprintf(buf, sizeof(buf) - strlen(buf), ": %s", strerror(serrno));
     54 	syslog(level, "%s", buf);
     55 #else
     56 	(void)level;
     57 	vwarn(fmt, ap);
     58 #endif
     59 	va_end(ap);
     60 }
     61