refactor code

1 files changed, 8 insertions, 5 deletions

diff --git a/tree.c b/tree.c
index 94355dc..b2515ca 100644
--- a/tree.c
+++ b/tree.c
@@ -352,14 +352,17 @@ queue_put(struct queue *queue, struct tree_node *data)
         struct queue_item *new_item;
 
         if ( (new_item = malloc(sizeof(*new_item))) != NULL ) {
-                struct queue_item *tmp = queue->tail;
-                new_item->data         = data;
-                new_item->next         = NULL;
-                queue->tail            = new_item;
+                struct queue_item *tail;
+
+                tail           = queue->tail;
+                new_item->data = data;
+                new_item->next = NULL;
+                queue->tail    = new_item;
+
                 if ( queue->head == NULL )
                         queue->head = queue->tail;
                 else
-                        tmp->next = queue->tail;
+                        tail->next = queue->tail;
         }
         else
                 ERROR("out of memory");