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-rw-r--r--lib/dns/rdata/rdatastructpre.h35
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diff --git a/lib/dns/rdata/rdatastructpre.h b/lib/dns/rdata/rdatastructpre.h
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+++ b/lib/dns/rdata/rdatastructpre.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 http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+
+#ifndef DNS_RDATASTRUCT_H
+#define DNS_RDATASTRUCT_H 1
+
+#include <isc/lang.h>
+#include <isc/sockaddr.h>
+
+#include <dns/name.h>
+#include <dns/types.h>
+
+ISC_LANG_BEGINDECLS
+
+typedef struct dns_rdatacommon {
+ dns_rdataclass_t rdclass;
+ dns_rdatatype_t rdtype;
+ ISC_LINK(struct dns_rdatacommon) link;
+} dns_rdatacommon_t;
+
+#define DNS_RDATACOMMON_INIT(_data, _rdtype, _rdclass) \
+ do { \
+ (_data)->common.rdtype = (_rdtype); \
+ (_data)->common.rdclass = (_rdclass); \
+ ISC_LINK_INIT(&(_data)->common, link); \
+ } while (0)