+ {
+ memcached_io_write(ptr, NULL, 0, true);
+ }
+
+ sent_length= memcached_io_write(ptr, command, command_length, with_flush);
+
+ if (sent_length == -1 || (size_t)sent_length != command_length)
+ {
+ rc= MEMCACHED_WRITE_FAILURE;
+ }
+ else if ((ptr->root->flags.no_reply) == 0)
+ {
+ memcached_server_response_increment(ptr);
+ }
+
+ return rc;
+}
+
+memcached_return_t memcached_vdo(memcached_server_write_instance_st ptr,
+ const struct libmemcached_io_vector_st *vector, size_t count,
+ bool with_flush)
+{
+ memcached_return_t rc;
+ ssize_t sent_length;
+
+ WATCHPOINT_ASSERT(count);
+ WATCHPOINT_ASSERT(vector);
+
+ if ((rc= memcached_connect(ptr)) != MEMCACHED_SUCCESS)
+ {
+ WATCHPOINT_ERROR(rc);
+ return rc;
+ }
+
+ /*
+ ** Since non buffering ops in UDP mode dont check to make sure they will fit
+ ** before they start writing, if there is any data in buffer, clear it out,
+ ** otherwise we might get a partial write.
+ **/
+ if (ptr->type == MEMCACHED_CONNECTION_UDP && with_flush && ptr->write_buffer_offset > UDP_DATAGRAM_HEADER_LENGTH)
+ {
+ memcached_io_write(ptr, NULL, 0, true);
+ }