Add clear functions to table and trie.

include/table.h

@@ -134,6 +134,11 @@ libab_result libab_table_put(libab_table* table, const char* string,
  * @param parent a valid reference to a parent table.
  */
 void libab_table_set_parent(libab_table* table, libab_ref* parent);
+/**
+ * Clears the table.
+ * @param table the table to clear.
+ */
+void libab_table_clear(libab_table* table);
 /**
  * Frees the resources allocated by the
  * given table.

include/trie.h

@@ -60,6 +60,7 @@ libab_result libab_trie_put(libab_trie* trie, const char* key, void* value);
 const ll* libab_trie_get(const libab_trie* trie, const char* key);
 int libab_trie_foreach(const libab_trie* trie, void* data, compare_func compare,
                        foreach_func foreach);
+void libab_trie_clear(libab_trie* trie);
 void libab_trie_free(libab_trie* trie);
 
 #endif

src/table.c

@@ -110,6 +110,9 @@ void libab_table_set_parent(libab_table* table, libab_ref* parent) {
     libab_ref_free(&table->parent);
     libab_ref_copy(parent, &table->parent);
 }
+void libab_table_clear(libab_table* table) {
+    libab_trie_clear(&table->trie);
+}
 void libab_table_free(libab_table* table) {
     libab_trie_foreach(&table->trie, NULL, compare_always,
                        _table_foreach_entry_free);

src/trie.c

@@ -110,6 +110,11 @@ int libab_trie_foreach(const libab_trie* trie, void* data, compare_func compare,
     return _libab_trie_foreach(trie->head, data, compare, foreach);
 }
 
+void libab_trie_clear(libab_trie* trie) {
+    libab_trie_free(trie);
+    libab_trie_init(trie);
+}
+
 void libab_trie_free(libab_trie* trie) {
     _libab_trie_free(trie->head);
     trie->head = NULL;