1 /* $NetBSD: opt_41.h,v 1.4 2014/12/10 04:37:59 christos Exp $ */ 2 3 /* 4 * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") 5 * Copyright (C) 1998-2001 Internet Software Consortium. 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #ifndef GENERIC_OPT_41_H 21 #define GENERIC_OPT_41_H 1 22 23 /* Id: opt_41.h,v 1.18 2007/06/19 23:47:17 tbox Exp */ 24 25 /*! 26 * \brief Per RFC2671 */ 27 28 typedef struct dns_rdata_opt_opcode { 29 isc_uint16_t opcode; 30 isc_uint16_t length; 31 unsigned char *data; 32 } dns_rdata_opt_opcode_t; 33 34 typedef struct dns_rdata_opt { 35 dns_rdatacommon_t common; 36 isc_mem_t *mctx; 37 unsigned char *options; 38 isc_uint16_t length; 39 /* private */ 40 isc_uint16_t offset; 41 } dns_rdata_opt_t; 42 43 /* 44 * ISC_LANG_BEGINDECLS and ISC_LANG_ENDDECLS are already done 45 * via rdatastructpre.h and rdatastructsuf.h. 46 */ 47 48 isc_result_t 49 dns_rdata_opt_first(dns_rdata_opt_t *); 50 51 isc_result_t 52 dns_rdata_opt_next(dns_rdata_opt_t *); 53 54 isc_result_t 55 dns_rdata_opt_current(dns_rdata_opt_t *, dns_rdata_opt_opcode_t *); 56 57 #endif /* GENERIC_OPT_41_H */ 58