/contrib/bind9/lib/dns/rdata/generic/opt_41.h

 1/*
 2 * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
 3 * Copyright (C) 1998-2001  Internet Software Consortium.
 4 *
 5 * Permission to use, copy, modify, and/or distribute this software for any
 6 * purpose with or without fee is hereby granted, provided that the above
 7 * copyright notice and this permission notice appear in all copies.
 8 *
 9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#ifndef GENERIC_OPT_41_H
19#define GENERIC_OPT_41_H 1
20
21/* $Id: opt_41.h,v 1.18 2007/06/19 23:47:17 tbox Exp $ */
22
23/*!
24 *  \brief Per RFC2671 */
25
26typedef struct dns_rdata_opt_opcode {
27		isc_uint16_t	opcode;
28		isc_uint16_t	length;
29		unsigned char	*data;
30} dns_rdata_opt_opcode_t;
31
32typedef struct dns_rdata_opt {
33	dns_rdatacommon_t	common;
34	isc_mem_t		*mctx;
35	unsigned char		*options;
36	isc_uint16_t		length;
37	/* private */
38	isc_uint16_t		offset;
39} dns_rdata_opt_t;
40
41/*
42 * ISC_LANG_BEGINDECLS and ISC_LANG_ENDDECLS are already done
43 * via rdatastructpre.h and rdatastructsuf.h.
44 */
45
46isc_result_t
47dns_rdata_opt_first(dns_rdata_opt_t *);
48
49isc_result_t
50dns_rdata_opt_next(dns_rdata_opt_t *);
51
52isc_result_t
53dns_rdata_opt_current(dns_rdata_opt_t *, dns_rdata_opt_opcode_t *);
54
55#endif /* GENERIC_OPT_41_H */