}
				hdr.Xattrs[k[len(paxSchilyXattr):]] = v
			}
		}
		if err != nil {
			return ErrHeader
		}
	}
	hdr.PAXRecords = paxHdrs
	return nil
}

// parsePAX parses PAX headers.
// If an extended header (type 'x') is invalid, ErrHeader is returned.
func parsePAX(r io.Reader) (map[string]string, error) {
	buf, err := readSpecialFile(r)
	if err != nil {
		return nil, err
	}