From c985a2bd3da2252fc604eea7b4d5b31ae1c5fcff Mon Sep 17 00:00:00 2001
From: Badlop <badlop@process-one.net>
Date: Wed, 16 Mar 2016 11:11:43 +0100
Subject: [PATCH] Start ezlib only if required, as it's optional (#1006)

---
 src/ejabberd_app.erl      | 1 -
 src/ejabberd_receiver.erl | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ejabberd_app.erl b/src/ejabberd_app.erl
index 66de3ceb7..e493eac01 100644
--- a/src/ejabberd_app.erl
+++ b/src/ejabberd_app.erl
@@ -256,7 +256,6 @@ start_apps() ->
     ejabberd:start_app(fast_tls),
     ejabberd:start_app(fast_xml),
     ejabberd:start_app(stringprep),
-    ejabberd:start_app(ezlib),
     ejabberd:start_app(cache_tab).
 
 opt_type(net_ticktime) ->
diff --git a/src/ejabberd_receiver.erl b/src/ejabberd_receiver.erl
index 9fdc86f8a..0a33e30ec 100644
--- a/src/ejabberd_receiver.erl
+++ b/src/ejabberd_receiver.erl
@@ -141,6 +141,7 @@ handle_call({starttls, TLSSocket}, _From, State) ->
 handle_call({compress, Data}, _From,
 	    #state{socket = Socket, sock_mod = SockMod} =
 		State) ->
+    ejabberd:start_app(ezlib),
     {ok, ZlibSocket} = ezlib:enable_zlib(SockMod,
 						 Socket),
     if Data /= undefined -> do_send(State, Data);