+ if (!c)
+ return CMD_FAILURE;
+
+ time_t ChanTS = ConvToInt(params[1]);
+ if (!ChanTS)
+ return CMD_INVALID;
+
+ if (c->age < ChanTS)
+ // Our channel TS is older, nothing to do
+ return CMD_FAILURE;
+
+ time_t ts = ConvToInt(params[2]);
+ if (!ts)
+ return CMD_INVALID;
+
+ // Channel::topicset is initialized to 0 on channel creation, so their ts will always win if we never had a topic
+ if (ts < c->topicset)
+ return CMD_FAILURE;
+
+ /*
+ * If the topics were updated at the exact same second, accept
+ * the remote only when it's "bigger" than ours as defined by
+ * string comparision, so non-empty topics always overridde
+ * empty topics if their timestamps are equal
+ */
+ if ((ts == c->topicset) && (c->topic > params[4]))
+ return CMD_FAILURE; // Topics were set at the exact same time, keep our topic and setter
+
+ if (c->topic != params[4])