- uint32_t* hash= static_cast<uint32_t*>(libmemcached_malloc(ptr, sizeof(uint32_t) * number_of_keys));
- bool* dead_servers= static_cast<bool*>(libmemcached_calloc(ptr, memcached_server_count(ptr), sizeof(bool)));
+ uint32_t* hash= libmemcached_xvalloc(ptr, number_of_keys, uint32_t);
+ bool* dead_servers= libmemcached_xcalloc(ptr, memcached_server_count(ptr), bool);