public static Pair ptyMasterOpen()

in src/com/pty4j/unix/Pty.java [129:156]

• 22 lines of code
• 5 McCabe index (conditional complexity)

  public static Pair<Integer, String> ptyMasterOpen() {

    PtyHelpers.OSFacade m_jpty = PtyHelpers.getInstance();

    String name = "/dev/ptmx";

    int fdm = m_jpty.getpt();

    if (fdm < 0) {
      return new Pair<>(-1, name);
    }
    if (m_jpty.grantpt(fdm) < 0) { /* grant access to slave */
      m_jpty.close(fdm);
      return new Pair<>(-2, name);
    }
    if (m_jpty.unlockpt(fdm) < 0) { /* clear slave's lock flag */
      m_jpty.close(fdm);
      return new Pair<>(-3, name);
    }

    String ptr = ptsname(m_jpty, fdm);

    if (ptr == null) { /* get slave's name */
      m_jpty.close(fdm);
      return new Pair<>(-4, name);
    }
    return new Pair<>(fdm, ptr);
  }