readme: add information section

[nit.git] / lib / libevent.nit

diff --git a/lib/libevent.nit b/lib/libevent.nit
index 9cbe38e..c01d417 100644 (file)
--- a/lib/libevent.nit
+++ b/lib/libevent.nit
@@ -346,6 +346,10 @@ extern class ConnectionListener `{ struct evconnlistener * `}
 
                struct hostent *hostent = gethostbyname(address);
 
+               if (!hostent) {
+                       return NULL;
+               }
+
                memset(&sin, 0, sizeof(sin));
                sin.sin_family = hostent->h_addrtype;
                sin.sin_port = htons(port);