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-rw-r--r--runtime/dnscache.h31
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diff --git a/runtime/dnscache.h b/runtime/dnscache.h
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+/* Definitions for dnscache module.
+ *
+ * Copyright 2011-2019 Adiscon GmbH.
+ *
+ * This file is part of the rsyslog runtime library.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * -or-
+ * see COPYING.ASL20 in the source distribution
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef INCLUDED_DNSCACHE_H
+#define INCLUDED_DNSCACHE_H
+
+rsRetVal dnscacheInit(void);
+rsRetVal dnscacheDeinit(void);
+rsRetVal ATTR_NONNULL(1, 5) dnscacheLookup(struct sockaddr_storage *const addr,
+ prop_t **const fqdn, prop_t **const fqdnLowerCase,
+ prop_t **const localName, prop_t **const ip);
+
+#endif /* #ifndef INCLUDED_DNSCACHE_H */