Function PrintableBytes

pkg/util/encoding/encoding.go:3302–3304

PrintableBytes returns true iff the given byte array is a valid UTF-8 sequence and it is printable.

(b []byte)

// PrintableBytes returns true iff the given byte array is a valid
// UTF-8 sequence and it is printable.
func PrintableBytes(b []byte) bool {
	return len(bytes.TrimLeftFunc(b, isValidAndPrintableRune)) == 0
}

func isValidAndPrintableRune(r rune) bool {
	return r != utf8.RuneError && unicode.IsPrint(r)