Function wchar2string

RedEdrShared/utils.cpp:48–59

}

std::string wchar2string(const wchar_t* wideString) {
    if (!wideString) {
        return "";
    }
    int sizeNeeded = WideCharToMultiByte(CP_UTF8, 0, wideString, -1, nullptr, 0, nullptr, nullptr);
    if (sizeNeeded <= 0) {
        return "";
    }
    std::string ret(sizeNeeded - 1, 0);
    WideCharToMultiByte(CP_UTF8, 0, wideString, -1, &ret[0], sizeNeeded, nullptr, nullptr);
    return ret;
}

// FIXME copy from dll
uint64_t get_time() {