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rdatalist.h
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/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #ifndef DNS_RDATALIST_H #define DNS_RDATALIST_H 1 /***** ***** Module Info *****/ /*! \file dns/rdatalist.h * \brief * A DNS rdatalist is a list of rdata of a common type and class. * * MP: *\li Clients of this module must impose any required synchronization. * * Reliability: *\li No anticipated impact. * * Resources: *\li TBS * * Security: *\li No anticipated impact. * * Standards: *\li None. */ #include <isc/lang.h> #include <dns/types.h> /*% * Clients may use this type directly. */ struct dns_rdatalist { dns_rdataclass_t rdclass; dns_rdatatype_t type; dns_rdatatype_t covers; dns_ttl_t ttl; ISC_LIST(dns_rdata_t) rdata; ISC_LINK(dns_rdatalist_t) link; /*%< * Case vector. If the bit is set then the corresponding * character in the owner name needs to be AND'd with 0x20, * rendering that character upper case. */ unsigned char upper[32]; }; ISC_LANG_BEGINDECLS void dns_rdatalist_init(dns_rdatalist_t *rdatalist); /*%< * Initialize rdatalist. * * Ensures: *\li All fields of rdatalist have been initialized to their default * values. */ isc_result_t dns_rdatalist_tordataset(dns_rdatalist_t *rdatalist, dns_rdataset_t *rdataset); /*%< * Make 'rdataset' refer to the rdata in 'rdatalist'. * * Note: *\li The caller must ensure that 'rdatalist' remains valid and unchanged * while 'rdataset' is associated with it. * * Requires: * *\li 'rdatalist' is a valid rdatalist. * *\li 'rdataset' is a valid rdataset that is not currently associated with * any rdata. * * Ensures, * on success, * *\li 'rdataset' is associated with the rdata in rdatalist. * * Returns: *\li #ISC_R_SUCCESS */ isc_result_t dns_rdatalist_fromrdataset(dns_rdataset_t *rdataset, dns_rdatalist_t **rdatalist); /*%< * Point 'rdatalist' to the rdatalist in 'rdataset'. * * Requires: * *\li 'rdatalist' is a pointer to a NULL dns_rdatalist_t pointer. * *\li 'rdataset' is a valid rdataset associated with an rdatalist. * * Ensures, * on success, * *\li 'rdatalist' is pointed to the rdatalist in rdataset. * * Returns: *\li #ISC_R_SUCCESS */ ISC_LANG_ENDDECLS #endif /* DNS_RDATALIST_H */