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-rw-r--r--src/02/01/binary_tree.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/02/01/binary_tree.c b/src/02/01/binary_tree.c
index 7fd9763..00abae5 100644
--- a/src/02/01/binary_tree.c
+++ b/src/02/01/binary_tree.c
@@ -27,6 +27,10 @@ void postorder_traversal(Node *node, Visitor visitor) {
visitor(node);
}
+static void destructor(Node *node) {
+ free(node);
+}
+
void destroy(Node *head) {
- free(head);
+ postorder_traversal(head, destructor);
}