rf->tmp_name = convert_to_filename_encoding (rf->tmp_name_verbatim, strlen (rf->tmp_name_verbatim), fh_get_file_name_encoding (fh));
/* Create file by that name. */
- fd = Topen (rf->tmp_name, O_WRONLY | O_CREAT | O_EXCL | O_BINARY, permissions);
+ bool binary = strchr (mode, 'b') != NULL;
+ fd = Topen (rf->tmp_name,
+ O_WRONLY | O_CREAT | O_EXCL | (binary ? O_BINARY : O_TEXT),
+ permissions);
if (fd >= 0)
break;
if (errno != EEXIST)