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/*-*- 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;
}
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