1 files changed, 76 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-rr.c b/src/resolve/resolved-dns-rr.c
new file mode 100644
index 0000000000..cb555cb4ef
--- /dev/null
+++ b/src/resolve/resolved-dns-rr.c
@@ -0,0 +1,76 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+  This file is part of systemd.
+
+  Copyright 2014 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "resolved-dns-rr.h"
+
+void dns_resource_key_free(DnsResourceKey *key) {
+        if (!key)
+                return;
+
+        free(key->name);
+        zero(*key);
+}
+
+DnsResourceRecord* dns_resource_record_new(void) {
+        DnsResourceRecord *rr;
+
+        rr = new0(DnsResourceRecord, 1);
+        if (!rr)
+                return NULL;
+
+        rr->n_ref = 1;
+        return rr;
+}
+
+DnsResourceRecord* dns_resource_record_ref(DnsResourceRecord *rr) {
+        if (!rr)
+                return NULL;
+
+        assert(rr->n_ref > 0);
+        rr->n_ref++;
+
+        return rr;
+}
+
+DnsResourceRecord* dns_resource_record_unref(DnsResourceRecord *rr) {
+        if (!rr)
+                return NULL;
+
+        assert(rr->n_ref > 0);
+
+        if (rr->n_ref > 1) {
+                rr->n_ref--;
+                return NULL;
+        }
+
+        if (IN_SET(rr->key.type, DNS_TYPE_PTR, DNS_TYPE_NS, DNS_TYPE_CNAME))
+                free(rr->ptr.name);
+        else if (rr->key.type == DNS_TYPE_HINFO) {
+                free(rr->hinfo.cpu);
+                free(rr->hinfo.os);
+        } else if (!IN_SET(rr->key.type, DNS_TYPE_A, DNS_TYPE_AAAA))
+                free(rr->generic.data);
+
+        dns_resource_key_free(&rr->key);
+        free(rr);
+
+        return NULL;
+}