hunt/huntd/support.c

   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 }