828 	diffio_T    *dio,  in diff_try_update()  argument
835     if (dio->dio_internal)  in diff_try_update()
837 	ga_init2(&dio->dio_diff.dout_ga, sizeof(char *), 1000);  in diff_try_update()
842 	dio->dio_orig.din_fname = vim_tempname('o', TRUE);  in diff_try_update()
843 	dio->dio_new.din_fname = vim_tempname('n', TRUE);  in diff_try_update()
844 	dio->dio_diff.dout_fname = vim_tempname('d', TRUE);  in diff_try_update()
845 	if (dio->dio_orig.din_fname == NULL  in diff_try_update()
846 		|| dio->dio_new.din_fname == NULL  in diff_try_update()
847 		|| dio->dio_diff.dout_fname == NULL)  in diff_try_update()
852     if (!dio->dio_internal && check_external_diff(dio) == FAIL)  in diff_try_update()
866     if (diff_write(buf, &dio->dio_orig) == FAIL)  in diff_try_update()
877 	if (diff_write(buf, &dio->dio_new) == FAIL)  in diff_try_update()
879 	if (diff_file(dio) == FAIL)  in diff_try_update()
883 	diff_read(idx_orig, idx_new, &dio->dio_diff);  in diff_try_update()
885 	clear_diffin(&dio->dio_new);  in diff_try_update()
886 	clear_diffout(&dio->dio_diff);  in diff_try_update()
888     clear_diffin(&dio->dio_orig);  in diff_try_update()
891     vim_free(dio->dio_orig.din_fname);  in diff_try_update()
892     vim_free(dio->dio_new.din_fname);  in diff_try_update()
893     vim_free(dio->dio_diff.dout_fname);  in diff_try_update()
1137 diff_file(diffio_T *dio)  in diff_file()  argument
1141     char_u	*tmp_orig = dio->dio_orig.din_fname;  in diff_file()
1142     char_u	*tmp_new = dio->dio_new.din_fname;  in diff_file()
1143     char_u	*tmp_diff = dio->dio_diff.dout_fname;  in diff_file()
1155     if (dio->dio_internal)  in diff_file()
1157 	return diff_file_internal(dio);  in diff_file()