fix: Prüfe, ob 'data' wirklich dereferenziert werden kann

1 files changed, 4 insertions, 1 deletions

diff --git a/queue.c b/queue.c
index e26acbb..2fb9c72 100644
--- a/queue.c
+++ b/queue.c
@@ -47,7 +47,10 @@ queue_get(struct queue *queue, T *data)
 {
         if ( queue->head != NULL ) {
                 struct queue_item *next = queue->head->next;
-                *data                   = queue->head->data;
+
+                if ( data != NULL ) {
+                        *data = queue->head->data;
+                }
                 free(queue->head);
                 queue->head = next;