Merge "libbase: add Fdopendir that takes a unique_fd."

#include <fcntl.h>

#if !defined(_WIN32)

#include <dirent.h>

#include <sys/socket.h>

#endif

  return file;

}

// Using fdopendir with unique_fd correctly is more annoying than it should be,

// because fdopen doesn't close the file descriptor received upon failure.

inline DIR* Fdopendir(unique_fd&& ufd) {

  int fd = ufd.release();

  DIR* dir = fdopendir(fd);

  if (dir == nullptr) {

    close(fd);

  }

  return dir;

}

#endif  // !defined(_WIN32)

}  // namespace base