+static int
+hardwire_noflush_set_tty_state (scb, new_ttystate, old_ttystate)
+ serial_t scb;
+ serial_ttystate new_ttystate;
+ serial_ttystate old_ttystate;
+{
+ struct hardwire_ttystate new_state =
+ *(struct hardwire_ttystate *)new_ttystate;
+ struct hardwire_ttystate *state = (struct hardwire_ttystate *) old_ttystate;
+
+#ifdef HAVE_TERMIOS
+ /* I'm not sure whether this is necessary; the manpage makes no mention
+ of discarding input when switching to/from ICANON. */
+ if (state->termios.c_lflag & ICANON)
+ new_state.termios.c_lflag |= ICANON;
+ else
+ new_state.termios.c_lflag &= ~ICANON;
+#endif
+
+#ifdef HAVE_TERMIO
+ /* I'm not sure whether this is necessary; the manpage makes no mention
+ of discarding input when switching to/from ICANON. */
+ if (state->termio.c_lflag & ICANON)
+ new_state.termio.c_lflag |= ICANON;
+ else
+ new_state.termio.c_lflag &= ~ICANON;
+#endif
+
+#ifdef HAVE_SGTTY
+ if (state->sgttyb.sg_flags & RAW)
+ new_state.sgttyb.sg_flags |= RAW;
+ else
+ new_state.sgttyb.sg_flags &= ~RAW;
+
+ /* I'm not sure whether this is necessary; the manpage just mentions
+ RAW not CBREAK. */
+ if (state->sgttyb.sg_flags & CBREAK)
+ new_state.sgttyb.sg_flags |= CBREAK;
+ else
+ new_state.sgttyb.sg_flags &= ~CBREAK;
+#endif
+
+ return set_tty_state (scb, &new_state);
+}
+
+static void
+hardwire_print_tty_state (scb, ttystate)
+ serial_t scb;
+ serial_ttystate ttystate;
+{
+ struct hardwire_ttystate *state = (struct hardwire_ttystate *) ttystate;
+ int i;
+
+ printf_filtered ("Process group = %d\n", state->process_group);
+
+#ifdef HAVE_TERMIOS
+ printf_filtered ("c_iflag = 0x%x, c_oflag = 0x%x,\n",
+ state->termios.c_iflag, state->termios.c_oflag);
+ printf_filtered ("c_cflag = 0x%x, c_lflag = 0x%x, c_line = 0x%x.\n",
+ state->termios.c_cflag, state->termios.c_lflag,
+ state->termios.c_line);
+ printf_filtered ("c_cc: ");
+ for (i = 0; i < NCCS; i += 1)
+ printf_filtered ("0x%x ", state->termios.c_cc[i]);
+ printf_filtered ("\n");
+#endif
+
+#ifdef HAVE_TERMIO
+ printf_filtered ("c_iflag = 0x%x, c_oflag = 0x%x,\n",
+ state->termio.c_iflag, state->termio.c_oflag);
+ printf_filtered ("c_cflag = 0x%x, c_lflag = 0x%x, c_line = 0x%x.\n",
+ state->termio.c_cflag, state->termio.c_lflag,
+ state->termio.c_line);
+ printf_filtered ("c_cc: ");
+ for (i = 0; i < NCC; i += 1)
+ printf_filtered ("0x%x ", state->termio.c_cc[i]);
+ printf_filtered ("\n");
+#endif
+
+#ifdef HAVE_SGTTY
+ printf_filtered ("sgttyb.sg_flags = 0x%x.\n", state->sgttyb.sg_flags);
+
+ printf_filtered ("tchars: ");
+ for (i = 0; i < (int)sizeof (struct tchars); i++)
+ printf_filtered ("0x%x ", ((unsigned char *)&state->tc)[i]);
+ printf_filtered ("\n");
+
+ printf_filtered ("ltchars: ");
+ for (i = 0; i < (int)sizeof (struct ltchars); i++)
+ printf_filtered ("0x%x ", ((unsigned char *)&state->ltc)[i]);
+ printf_filtered ("\n");
+
+ printf_filtered ("lmode: 0x%x\n", state->lmode);
+#endif
+}
+
+static int
+hardwire_flush_output (scb)
+ serial_t scb;
+{
+#ifdef HAVE_TERMIOS
+ return tcflush (scb->fd, TCOFLUSH);
+#endif
+
+#ifdef HAVE_TERMIO
+ return ioctl (scb->fd, TCFLSH, 1);
+#endif
+
+#ifdef HAVE_SGTTY
+ /* This flushes both input and output, but we can't do better. */
+ return ioctl (scb->fd, TIOCFLUSH, 0);
+#endif
+}
+