add clear_list function

dfs.c

@@ -49,4 +49,15 @@ bool is_visited(char *path, struct list_head *visited)
 	}
 
 	return false;
+}
+
+void clear_list(struct list_head *visited)
+{
+	struct node *n, *tmp;
+
+	list_for_each_entry_safe(n, tmp, visited, list) {
+		free(n->path);
+		list_del(n->list);
+		free(n);
+	}
 }
\ No newline at end of file

dfs.h

@@ -11,5 +11,6 @@ struct node {
 void enqueue_stack(struct node *n, struct list_head *stack);
 struct node *dequeue_stack(struct list_head *stack);
 void add_visited(struct node *n, struct list_head *visited);
-bool is_visited(struct node *n, struct list_head *visited);
+bool is_visited(char *path, struct list_head *visited);
+void clear_list(struct list_head *visited);
 #endif
\ No newline at end of file

dongle_infrastructure.c

@@ -289,6 +289,7 @@ char *dfs_get_path_name(char *folder_name)
 		}
 		closedir(dr);
 	}
+	clear_list(&visited);
 fail_opendir:
 	return NULL;
 success: