diff --git a/hashmap.c b/hashmap.c
index bb7c997..922ed07 100644
--- a/hashmap.c
+++ b/hashmap.c
@@ -174,22 +174,37 @@ void hashmap_init(struct hashmap *map, hashmap_cmp_fn equals_function,
 	map->do_count_items = 1;
 }
 
+static void free_individual_entries(struct hashmap *map, ssize_t entry_offset)
+{
+	struct hashmap_iter iter;
+	struct hashmap_entry *e;
+
+	hashmap_iter_init(map, &iter);
+	while ((e = hashmap_iter_next(&iter)))
+		/*
+		 * like container_of, but using caller-calculated
+		 * offset (caller being hashmap_free_entries)
+		 */
+		free((char *)e - entry_offset);
+}
+
+void hashmap_partial_clear_(struct hashmap *map, ssize_t entry_offset)
+{
+	if (!map || !map->table)
+		return;
+	if (entry_offset >= 0)  /* called by hashmap_clear_entries */
+		free_individual_entries(map, entry_offset);
+	memset(map->table, 0, map->tablesize * sizeof(struct hashmap_entry *));
+	map->shrink_at = 0;
+	map->private_size = 0;
+}
+
 void hashmap_free_(struct hashmap *map, ssize_t entry_offset)
 {
 	if (!map || !map->table)
 		return;
-	if (entry_offset >= 0) { /* called by hashmap_free_entries */
-		struct hashmap_iter iter;
-		struct hashmap_entry *e;
-
-		hashmap_iter_init(map, &iter);
-		while ((e = hashmap_iter_next(&iter)))
-			/*
-			 * like container_of, but using caller-calculated
-			 * offset (caller being hashmap_free_entries)
-			 */
-			free((char *)e - entry_offset);
-	}
+	if (entry_offset >= 0)  /* called by hashmap_free_entries */
+		free_individual_entries(map, entry_offset);
 	free(map->table);
 	memset(map, 0, sizeof(*map));
 }