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      1 /*	$NetBSD: dns_struct.h,v 1.5 2020/05/25 20:47:34 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000-2007 Niels Provos <provos (at) citi.umich.edu>
      5  * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 #ifndef EVENT2_DNS_STRUCT_H_INCLUDED_
     30 #define EVENT2_DNS_STRUCT_H_INCLUDED_
     31 
     32 /** @file event2/dns_struct.h
     33 
     34   Data structures for dns.  Using these structures may hurt forward
     35   compatibility with later versions of Libevent: be careful!
     36 
     37  */
     38 
     39 #ifdef __cplusplus
     40 extern "C" {
     41 #endif
     42 
     43 #include <event2/event-config.h>
     44 #ifdef EVENT__HAVE_SYS_TYPES_H
     45 #include <sys/types.h>
     46 #endif
     47 #ifdef EVENT__HAVE_SYS_TIME_H
     48 #include <sys/time.h>
     49 #endif
     50 
     51 /* For int types. */
     52 #include <event2/util.h>
     53 
     54 /*
     55  * Structures used to implement a DNS server.
     56  */
     57 
     58 struct evdns_server_request {
     59 	int flags;
     60 	int nquestions;
     61 	struct evdns_server_question **questions;
     62 };
     63 struct evdns_server_question {
     64 	int type;
     65 #ifdef __cplusplus
     66 	int dns_question_class;
     67 #else
     68 	/* You should refer to this field as "dns_question_class".  The
     69 	 * name "class" works in C for backward compatibility, and will be
     70 	 * removed in a future version. (1.5 or later). */
     71 	int class;
     72 #define dns_question_class class
     73 #endif
     74 	char name[1];
     75 };
     76 
     77 #ifdef __cplusplus
     78 }
     79 #endif
     80 
     81 #endif /* EVENT2_DNS_STRUCT_H_INCLUDED_ */
     82 
     83