fmtNum(ustar.devMinor(), hdr.Devminor)

	return &tw.blk
}

// writeRawFile writes a minimal file with the given name and flag type.
// It uses format to encode the header format and will write data as the body.
// It uses default values for all of the other fields (as BSD and GNU tar does).
func (tw *Writer) writeRawFile(name, data string, flag byte, format Format) error {
	tw.blk.reset()

		// do not convert to UTC, because we assume the user intends to encode
		// the date using the specified timezone. A user may want this control
		// because many legacy ZIP readers interpret the timestamp according
		// to the local timezone.
		//
		// The timezone is only non-UTC if a user directly sets the Modified
		// field directly themselves. All other approaches sets UTC.