Function isRoot

core/filetools.cpp:431–438

  }

  bool isRoot(const std::string &spath)
  {
    if (spath.empty()) return false;
    fs::path p(spath);
    std::string s1 = p.string();
    std::string s2 = p.root_path().string();
    return (s1 == s2);
  }

  bool isUNCPath(const std::string &spath)
  {