1 /* $NetBSD: opt_41.h,v 1.1 2024/02/18 20:57:44 christos Exp $ */ 2 3 /* 4 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 5 * 6 * SPDX-License-Identifier: MPL-2.0 7 * 8 * This Source Code Form is subject to the terms of the Mozilla Public 9 * License, v. 2.0. If a copy of the MPL was not distributed with this 10 * file, you can obtain one at https://mozilla.org/MPL/2.0/. 11 * 12 * See the COPYRIGHT file distributed with this work for additional 13 * information regarding copyright ownership. 14 */ 15 16 #ifndef GENERIC_OPT_41_H 17 #define GENERIC_OPT_41_H 1 18 19 /*! 20 * \brief Per RFC2671 */ 21 22 typedef struct dns_rdata_opt_opcode { 23 uint16_t opcode; 24 uint16_t length; 25 unsigned char *data; 26 } dns_rdata_opt_opcode_t; 27 28 typedef struct dns_rdata_opt { 29 dns_rdatacommon_t common; 30 isc_mem_t *mctx; 31 unsigned char *options; 32 uint16_t length; 33 /* private */ 34 uint16_t offset; 35 } dns_rdata_opt_t; 36 37 /* 38 * ISC_LANG_BEGINDECLS and ISC_LANG_ENDDECLS are already done 39 * via rdatastructpre.h and rdatastructsuf.h. 40 */ 41 42 isc_result_t 43 dns_rdata_opt_first(dns_rdata_opt_t *); 44 45 isc_result_t 46 dns_rdata_opt_next(dns_rdata_opt_t *); 47 48 isc_result_t 49 dns_rdata_opt_current(dns_rdata_opt_t *, dns_rdata_opt_opcode_t *); 50 51 #endif /* GENERIC_OPT_41_H */ 52