256 dispatch_data_create_concat(dispatch_data_t dd1, dispatch_data_t dd2)  in dispatch_data_create_concat()  argument
259 	if (!dd1->size) {  in dispatch_data_create_concat()
264 		_dispatch_data_retain(dd1);  in dispatch_data_create_concat()
265 		return dd1;  in dispatch_data_create_concat()
267 	data = _dispatch_data_alloc(_dispatch_data_num_records(dd1) +  in dispatch_data_create_concat()
269 	data->size = dd1->size + dd2->size;  in dispatch_data_create_concat()
272 	if (_dispatch_data_leaf(dd1)) {  in dispatch_data_create_concat()
274 		data->records[0].length = dd1->size;  in dispatch_data_create_concat()
275 		data->records[0].data_object = dd1;  in dispatch_data_create_concat()
277 		memcpy(data->records, dd1->records, _dispatch_data_num_records(dd1) *  in dispatch_data_create_concat()
281 		data->records[_dispatch_data_num_records(dd1)].from = 0;  in dispatch_data_create_concat()
282 		data->records[_dispatch_data_num_records(dd1)].length = dd2->size;  in dispatch_data_create_concat()
283 		data->records[_dispatch_data_num_records(dd1)].data_object = dd2;  in dispatch_data_create_concat()
285 		memcpy(data->records + _dispatch_data_num_records(dd1), dd2->records,  in dispatch_data_create_concat()