gistfile1.txt

// en source/extensions/transport_sockets/tls/io_handle_bio.cc

// NOLINTNEXTLINE(readability-identifier-naming)
int io_handle_read(BIO* b, char* out, int outl) {
  if (out == nullptr) {
    return 0;
  }

  Buffer::BufferFragmentImpl fragment(out, outl,
      [](const void*, size_t,
         const Envoy::Buffer::BufferFragmentImpl* this_fragment) {
        delete this_fragment;
      });
  Buffer::OwnedImpl buffer;
  buffer.addBufferFragment(fragment);

  auto result = bio_io_handle(b)->read(buffer, outl);