relay: close properly connection with the IRC client in case of server disconnection (issue #2038)

ChangeLog.adoc

@@ -19,6 +19,7 @@ Bug fixes::
   * core: fix memory leak when config version is invalid or not supported
   * core: fix crash when "config_version" is present in a configuration file without a value
   * core: display an error on startup if environment variable "HOME" is not set
+  * relay: close properly connection with the IRC client in case of server disconnection (issue #2038)
   * ruby: fix use of NULL variable when displaying exception
 
 [[v4.1.1]]

src/plugins/relay/irc/relay-irc.c

@@ -616,6 +616,13 @@ relay_irc_signal_irc_disc_cb (const void *pointer, void *data,
 
     if (strcmp ((char *)signal_data, client->protocol_args) == 0)
     {
+        relay_irc_sendf (client,
+                         ":%s ERROR :WeeChat: disconnected from server \"%s\"",
+                         RELAY_IRC_DATA(client, address),
+                         client->protocol_args);
+        relay_irc_sendf (client,
+                         ":%s ERROR :Closing Link",
+                         RELAY_IRC_DATA(client, address));
         relay_client_set_status (client, RELAY_STATUS_DISCONNECTED);
     }