C++11 判断文件或者文件夹

// Linux., UNIX and Windows as well

kEnumCheckFile CheckFile(const char* path) {
  kEnumCheckFile check = kEnumCheckFile::RC_NOT_EXIST;
  struct stat s;
  if (stat(path, &s) == 0) {
    if (s.st_mode & S_IFDIR) {
      check = kEnumCheckFile::RC_IS_DIRECTORY;
    } else if (s.st_mode & S_IFREG) {
      check = kEnumCheckFile::RC_IS_FILE;
    } else {
      check = kEnumCheckFile::RC_NOT_FILE_NOT_DIRECTORY;
    }
  } else {
    check = kEnumCheckFile::RC_NOT_EXIST;
  }
  return check;
}