int myReadConsole()

in src/IO.cpp [64:113]
46 lines of code
11 McCabe index (conditional complexity)

int myReadConsole(const char* prompt, unsigned char* buf, int len, int addToHistory) {
  static bool inited = false;
  if (!inited) {
    if (addToHistory) {
      inited = true;
      try {
        initRWrapper();
      } catch (std::exception const &e) {
        std::cerr << "Error during RWrapper startup: " << e.what() << "\n";
        signal(SIGABRT, SIG_DFL);
        abort();
      }
      rpiService->mainLoop();
    } else {
      buf[0] = 0;
      return 0;
    }
  }

  CPP_BEGIN
  if (rpiService == nullptr) {
    // Read console happened during termination
    signal(SIGABRT, SIG_DFL);
    abort();
  }

  std::string s;
  if (addToHistory && !strncmp(prompt, "Browse[", strlen("Browse["))) {
    // That's browser prompt, we ignore them
    s = "f\n";
  } else {
    s = translateToNative(rpiService->readLineHandler(prompt));
  }
  if (rpiService->terminate) {
    R_interrupts_pending = 1;
    buf[0] = 0;
    return 0;
  }
  if (s.empty() || s.back() != '\n') {
    s += '\n';
  }
  if (s.size() >= len) {
    s.erase(s.begin() + (len - 1), s.end());
    s.back() = '\n';
  }
  strcpy((char*)buf, s.c_str());
  return s.size();
  CPP_END_VOID_NOINTR
  return 0;
}