Function Utf8ToWide

code/Common/DefaultIOSystem.cpp:66–76

const std::wstring wdummy;

static std::wstring Utf8ToWide(const char *in) {
    if (nullptr == in) {
        return wdummy;
    }
    int size = MultiByteToWideChar(CP_UTF8, 0, in, -1, nullptr, 0);
    // size includes terminating null; std::wstring adds null automatically
    std::wstring out(static_cast<size_t>(size) - 1, L'\0');
    MultiByteToWideChar(CP_UTF8, 0, in, -1, &out[0], size);

    return out;
}

const std::string dummy;