Function Base64Encode

src/butil/base64.cc:11–20

namespace butil {

void Base64Encode(const StringPiece& input, std::string* output) {
  std::string temp;
  temp.resize(modp_b64_encode_len(input.size()));  // makes room for null byte

  // modp_b64_encode_len() returns at least 1, so temp[0] is safe to use.
  size_t output_size = modp_b64_encode(&(temp[0]), input.data(), input.size());

  temp.resize(output_size);  // strips off null byte
  output->swap(temp);
}

bool Base64Decode(const StringPiece& input, std::string* output) {
  std::string temp;