Merge pull request #8700 from keszybz/hibernation

[thirdparty/systemd.git] / src / resolve / resolved-dns-answer.c

diff --git a/src/resolve/resolved-dns-answer.c b/src/resolve/resolved-dns-answer.c
index 13dcba8421b5c90651331e3fdcdcbc128dd3d36a..252e8cee40f7782a0f40490dc679d66c0df205e3 100644 (file)
--- a/src/resolve/resolved-dns-answer.c
+++ b/src/resolve/resolved-dns-answer.c
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   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 "alloc-util.h"
@@ -148,7 +136,7 @@ int dns_answer_add(DnsAnswer *a, DnsResourceRecord *rr, int ifindex, DnsAnswerFl
                          * match. We don't really care if they match
                          * precisely, but we do care whether one is 0
                          * and the other is not. See RFC 2181, Section
-                         * 5.2.*/
+                         * 5.2. */
 
                         if ((rr->ttl == 0) != (a->items[i].rr->ttl == 0))
                                 return -EINVAL;
@@ -441,8 +429,7 @@ int dns_answer_merge(DnsAnswer *a, DnsAnswer *b, DnsAnswer **ret) {
         if (r < 0)
                 return r;
 
-        *ret = k;
-        k = NULL;
+        *ret = TAKE_PTR(k);
 
         return 0;
 }
@@ -517,8 +504,7 @@ int dns_answer_remove_by_key(DnsAnswer **a, const DnsResourceKey *key) {
                 }
 
                 dns_answer_unref(*a);
-                *a = copy;
-                copy = NULL;
+                *a = TAKE_PTR(copy);
 
                 return 1;
         }
@@ -603,8 +589,7 @@ int dns_answer_remove_by_rr(DnsAnswer **a, DnsResourceRecord *rm) {
                 }
 
                 dns_answer_unref(*a);
-                *a = copy;
-                copy = NULL;
+                *a = TAKE_PTR(copy);
 
                 return 1;
         }
@@ -702,7 +687,7 @@ void dns_answer_order_by_scope(DnsAnswer *a, bool prefer_link_local) {
                 if (a->items[i].rr->key->class == DNS_CLASS_IN &&
                     ((a->items[i].rr->key->type == DNS_TYPE_A && in_addr_is_link_local(AF_INET, (union in_addr_union*) &a->items[i].rr->a.in_addr) != prefer_link_local) ||
                      (a->items[i].rr->key->type == DNS_TYPE_AAAA && in_addr_is_link_local(AF_INET6, (union in_addr_union*) &a->items[i].rr->aaaa.in6_addr) != prefer_link_local)))
-                        /* Order address records that are are not preferred to the end of the array */
+                        /* Order address records that are not preferred to the end of the array */
                         items[end--] = a->items[i];
                 else
                         /* Order all other records to the beginning of the array */
@@ -777,8 +762,7 @@ int dns_answer_reserve_or_clone(DnsAnswer **a, unsigned n_free) {
                 return r;
 
         dns_answer_unref(*a);
-        *a = n;
-        n = NULL;
+        *a = TAKE_PTR(n);
 
         return 0;
 }