1 files changed, 15 insertions, 0 deletions
diff --git a/server/card_queue.c b/server/card_queue.c
index 194ea0c..c5d59a8 100644
--- a/server/card_queue.c
+++ b/server/card_queue.c
@@ -45,6 +45,8 @@ const char* pop_card_queue(struct card_queue *cq)
     cq->first = cq->first->next;
     card = tmp->str;
     free(tmp);
+    if(!cq->first)
+        cq->last = NULL;
     return card;
 }
 
@@ -59,3 +61,16 @@ int find_out_card_quantity_in_cq(const struct card_queue *cq)
     }
     return counter;
 }
+
+void clear_queue(struct card_queue *cq)
+{
+    struct card_queue_item *tmp;
+
+    while(cq->first) {
+        tmp = cq->first;
+        cq->first = cq->first->next;
+        free(tmp);
+    }
+    cq->first = NULL;
+    cq->last = NULL;
+}