zonecut: fix kr_zonecut_find_nsname with the trie implementation

diff --git a/lib/zonecut.c b/lib/zonecut.c
index e642e0b89c8a78a2e6a070fa547beebaa1b68a50..49fa805edec523f3267e837d4ca6c1f05c90197b 100644 (file)
--- a/lib/zonecut.c
+++ b/lib/zonecut.c
@@ -119,7 +119,7 @@ int kr_zonecut_copy(struct kr_zonecut *dst, const struct kr_zonecut *src)
        }
        /* Copy the contents, one by one. */
        int ret = kr_ok();
-       trie_it_t *it;
+       trie_it_t *it = NULL;
        for (it = trie_it_begin(src->nsset); !trie_it_finished(it); trie_it_next(it)) {
                size_t klen;
                const char * const k = trie_it_key(it, &klen);
@@ -473,12 +473,14 @@ const knot_dname_t *kr_zonecut_find_nsname(struct kr_zonecut *cut)
                return NULL;
        }
 
+       trie_it_t *it = NULL;
        const knot_dname_t *result = NULL;
-       trie_it_t *it;
        for (it = trie_it_begin(cut->nsset); !trie_it_finished(it); trie_it_next(it)) {
-               result = (const knot_dname_t *)trie_it_key(it, NULL);
+               size_t klen;
+               result = (const knot_dname_t *) trie_it_key(it, &klen);
                break;
        }
        trie_it_free(it);
+
        return result;
 }
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