Method read

evaluation/TMscore.cpp:2169–2182

   */
  template <typename C, typename T>
    inline std::streamsize
    basic_pstreambuf<C,T>::read(char_type* s, std::streamsize n)
    {
      std::streamsize nread = 0;
      if (rpipe() >= 0)
      {
        nread = ::read(rpipe(), s, n * sizeof(char_type));
        if (nread == -1)
          error_ = errno;
        else
          nread /= sizeof(char_type);
      }
      return nread;
    }

  /** @return a reference to the output file descriptor */
  template <typename C, typename T>