+ LIBMEMCACHED_MEMCACHED_DELETE_START();
+
+ if (key_length == 0)
+ return MEMCACHED_NO_KEY_PROVIDED;
+
+ if (ptr->hosts == NULL || ptr->number_of_hosts == 0)
+ return MEMCACHED_NO_SERVERS;
+
+ server_key= memcached_generate_hash(ptr, key, key_length);