int __cdecl wmain()

in BusTools/MinComm/main.cpp [935:997]

• 52 lines of code
• 15 McCabe index (conditional complexity)

int __cdecl wmain (int argc, _In_reads_(argc) const wchar_t* argv[])
{
    std::wstring devicePath;

    auto paramMask = SerialParamMask();
    auto dcb = DCB();
    dcb.DCBlength = sizeof(DCB);

    if (argc < 2) {
        // connect to the first serial port found in the port's
        // current configuration
        devicePath = GetFirstDevice();
        if (devicePath.empty()) {
            fwprintf(
                stderr,
                L"No serial devices were found.\n");
            return 1;
        }
    } else if (!_wcsicmp(argv[1], L"-?") || !_wcsicmp(argv[1], L"/?") ||
        !_wcsicmp(argv[1], L"-h") || !_wcsicmp(argv[1], L"/h") ||
        !_wcsicmp(argv[1], L"-help") || !_wcsicmp(argv[1], L"/help")) {

        wprintf(Help, argv[0], argv[0], argv[0], argv[0], argv[0], argv[0]);
        return 0;
    } else if (!_wcsicmp(argv[1], L"-list") || !_wcsicmp(argv[1], L"/list")) {
        try {
            ListDevices();
        } catch (const wexception& ex) {
            std::wcerr << L"Error: " << ex.wwhat() << L"\n";
            return 1;
        }
        return 0;
    } else {
        // if the first positional parameter contains an '=',
        // take the first enumerated device.
        int optind;
        devicePath = argv[1];
        if (devicePath.find_first_of(L'=') == devicePath.npos) {
            optind = 2;
        } else {
            optind = 1;
            devicePath = GetFirstDevice();
        }

        if (!ParseConnectionParams(
                argc - optind,
                argv + optind,
                &dcb,
                &paramMask)) {

            return 1;
        }
    }

    try {
        RunSerialConsole(devicePath.c_str(), &dcb, paramMask);
    } catch (const wexception& ex) {
        std::wcerr << L"Error: " << ex.wwhat() << L"\n";
        return 1;
    }

    return 0;
}