Add tree freeing

1 files changed, 11 insertions, 0 deletions

diff --git a/tree.c b/tree.c
index 8a2c3bf..7c79ddd 100644
--- a/tree.c
+++ b/tree.c
@@ -143,3 +143,14 @@ int spaces;
 	}
 
 }
+
+void free_tree(t)
+ptree *t;
+{
+	if (!t)
+		return;
+
+	free_tree(t->l);
+	free_tree(t->r);
+	free(t);
+}