Fix ldns_dnssec_zone_add_empty_nonterminals to also detect the empty nonterminals...

See also: Bug#383.
Thanks to Juergen Geinitz.

diff --git a/dnssec_zone.c b/dnssec_zone.c
index 1c6695bc269041b220c8db3e8f9ca337b8482f9c..a989c7f450ffab661befa9a2be7645ab5d19f370 100644 (file)
--- a/dnssec_zone.c
+++ b/dnssec_zone.c
@@ -801,11 +801,11 @@ ldns_dnssec_zone_add_empty_nonterminals(ldns_dnssec_zone *zone)
                for (i = 1; i < next_label_count - soa_label_count; i++) {
                        lpos = (int)cur_label_count - (int)next_label_count + (int)i;
                        if (lpos >= 0) {
-                               l1 = ldns_dname_label(cur_name, (uint8_t)lpos);
+                               l1 = ldns_dname_clone_from(cur_name, (uint8_t)lpos);
                        } else {
                                l1 = NULL;
                        }
-                       l2 = ldns_dname_label(next_name, i);
+                       l2 = ldns_dname_clone_from(next_name, i);
 
                        if (!l1 || ldns_dname_compare(l1, l2) != 0) {
                                /* We have an empty nonterminal, add it to the