Anticipate null rtclient_ticketlist

There needs to be the freedom to emit the carrying signal
regardless the ticket is null or not.

1 files changed, 5 insertions, 3 deletions

diff --git a/ticket.cxx b/ticket.cxx
index 026a23d..cd984c5 100644
--- a/ticket.cxx
+++ b/ticket.cxx
@@ -42,9 +42,11 @@ namespace RTClient {
 
 	void TicketList::update(rtclient_ticketlist* ticketList)
 	{
-		for (size_t i = 0; i < ticketList->length; i++)
-			addTicket(Ticket{ticketList->tickets[i]});
-		rtclient_ticket_freelist(ticketList);
+		if (ticketList) {
+			for (size_t i = 0; i < ticketList->length; i++)
+				addTicket(Ticket{ticketList->tickets[i]});
+			rtclient_ticket_freelist(ticketList);
+		}
 		emit updated();
 	}