Function encodedLength

fdbrpc/Base64UrlEncode.cpp:70–76

}

int encodedLength(int dataLength) noexcept {
	auto r = dataLength % 3;
	if (r == 0)
		return (dataLength / 3) * 4;
	else
		return (dataLength / 3) * 4 + r + 1;
}

StringRef encode(Arena& arena, StringRef plainText) {
	auto encodedLen = encodedLength(plainText.size());