Function addReplyPubsubPatUnsubscribed

src/pubsub.cpp:111–122

Send the pubsub pattern unsubscription notification to the client. * Pattern can be NULL: this is useful when the client sends a mass * punsubscribe command but there are no pattern to unsubscribe from: we * still send a notification. */

 * punsubscribe command but there are no pattern to unsubscribe from: we
 * still send a notification. */
void addReplyPubsubPatUnsubscribed(client *c, robj *pattern) {
    if (c->resp == 2)
        addReply(c,shared.mbulkhdr[3]);
    else
        addReplyPushLen(c,3);
    addReply(c,shared.punsubscribebulk);
    if (pattern)
        addReplyBulk(c,pattern);
    else
        addReplyNull(c);
    addReplyLongLong(c,clientSubscriptionsCount(c));
}

/*-----------------------------------------------------------------------------
 * Pubsub low level API