}
	// Parse s3 specific chunk extension and fetch the values.
	hexChunkSize, hexChunkSignature := parseS3ChunkExtension(buf)
	return hexChunkSize, hexChunkSignature, nil
}

// trimTrailingWhitespace - trim trailing white space.
func trimTrailingWhitespace(b []byte) []byte {
	for len(b) > 0 && isASCIISpace(b[len(b)-1]) {
		b = b[:len(b)-1]
	}
	return b
}

// isASCIISpace - is ascii space?