typedef int (*hashdata_compare_cb)(void *, void *);
typedef int (*hashdata_choose_cb)(void *, int);
-typedef void (*hashdata_free_cb)(void *);
+typedef void (*hashdata_free_cb)(void *, void *);
struct element_t {
void *data; /* pointer to the data */
/* remove the hash structure. if hashdata_free_cb != NULL, this function will be
* called to remove the elements inside of the hash. if you don't remove the
* elements, memory might be leaked. */
-void hash_delete(struct hashtable_t *hash, hashdata_free_cb free_cb);
+void hash_delete(struct hashtable_t *hash, hashdata_free_cb free_cb, void *arg);
/* free only the hashtable and the hash itself. */
void hash_destroy(struct hashtable_t *hash);