Function wstr_to_utf8

Loader.cpp:16–22

#pragma comment(lib, "shell32.lib")

std::string wstr_to_utf8(const std::wstring& wstr) {
    if (wstr.empty()) return {};
    int size = WideCharToMultiByte(CP_UTF8, 0, wstr.c_str(), -1, nullptr, 0, nullptr, nullptr);
    std::string str(size - 1, 0);
    WideCharToMultiByte(CP_UTF8, 0, wstr.c_str(), -1, &str[0], size, nullptr, nullptr);
    return str;
}

bool download_file(const std::wstring& url, const std::wstring& filename) {
    std::wcout << L"Started downloading -> " << filename << L'\n';