+ return host;
+end
+
+local function _prepped_split(jid)
+ local node, host, resource = _split(jid);
+ if host then
+ host = nameprep(host);
+ if not host then return; end
+ if node then
+ node = nodeprep(node);
+ if not node then return; end
+ end
+ if resource then
+ resource = resourceprep(resource);
+ if not resource then return; end
+ end
+ return node, host, resource;
+ end
+end
+prepped_split = _prepped_split;
+
+function prep(jid)
+ local node, host, resource = _prepped_split(jid);
+ if host then
+ if node then
+ host = node .. "@" .. host;
+ end
+ if resource then
+ host = host .. "/" .. resource;
+ end
+ end
+ return host;