- send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE,
- "flush_all %llu\r\n", (unsigned long long)expiration);
+ send_length= (size_t) snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE,
+ "flush_all %llu%s\r\n",
+ (unsigned long long)expiration, no_reply ? " noreply" : "");