void tools::xar::close_non_std_fds()

in xar/XarLinux.cpp [38:54]

• 16 lines of code
• 8 McCabe index (conditional complexity)

void tools::xar::close_non_std_fds() {
  auto dir_fd = open("/proc/self/fd", O_RDONLY | O_DIRECTORY);
  DIR* dir_handle = nullptr;
  if (dir_fd >= 0 && (dir_handle = fdopendir(dir_fd))) {
    for (auto dent = readdir(dir_handle); dent; dent = readdir(dir_handle)) {
      if (strcmp(dent->d_name, ".") == 0 || strcmp(dent->d_name, "..") == 0) {
        continue;
      }

      int fd = std::atoi(dent->d_name);
      if (fd != dir_fd && fd > 2) {
        close(fd);
      }
    }
    closedir(dir_handle);
  }
}