use anonomous constants

(cherry picked from commit 02c2fc5ad31560483d1a586b4c474fd38afb819f)

diff --git a/lib/dns/zone.c b/lib/dns/zone.c
index 790401f91bd164f6acde3896bdaba3448a7a375c..76b270feef35a02728761ac03caa74fb469b83b7 100644 (file)
--- a/lib/dns/zone.c
+++ b/lib/dns/zone.c
@@ -19051,7 +19051,8 @@ dns_zone_cdscheck(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *version) {
                         * is 5 zero octets.
                         */
                        if (crdata.length == 5U &&
-                           memcmp(crdata.data, "\0\0\0\0", 5) == 0)
+                           memcmp(crdata.data,
+                                  (unsigned char[5]){ 0, 0, 0, 0, 0 }, 5) == 0)
                        {
                                delete = true;
                                continue;
@@ -19115,7 +19116,8 @@ dns_zone_cdscheck(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *version) {
                         * and 2 zero octets.
                         */
                        if (crdata.length == 5U &&
-                           memcmp(crdata.data, "\0\0\3\0", 5) == 0)
+                           memcmp(crdata.data,
+                                  (unsigned char[5]){ 0, 0, 3, 0, 0 }, 5) == 0)
                        {
                                delete = true;
                                continue;