Function from_utf8

src/base/string.cpp:82–99

}

std::wstring from_utf8(const std::string& src)
{
  int required_size =
    MultiByteToWideChar(CP_UTF8, 0,
      src.c_str(), (int)src.size(),
      NULL, 0);

  if (required_size == 0)
    return std::wstring();

  std::vector<wchar_t> buf(++required_size);

  ::MultiByteToWideChar(CP_UTF8, 0,
    src.c_str(), (int)src.size(),
    &buf[0], required_size);

  return std::wstring(&buf[0]);
}

#else