+++ /dev/null
-/* $NetBSD: wwtty.c,v 1.5 1997/11/21 08:37:56 lukem Exp $ */
-
-/*
- * Copyright (c) 1983, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Edward Wang at The University of California, Berkeley.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)wwtty.c 8.1 (Berkeley) 6/6/93";
-#else
-__RCSID("$NetBSD: wwtty.c,v 1.5 1997/11/21 08:37:56 lukem Exp $");
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-#if !defined(OLD_TTY) && !defined(TIOCGWINSZ)
-#include <sys/ioctl.h>
-#endif
-#include <fcntl.h>
-#include "ww.h"
-
-int
-wwgettty(d, t)
- int d;
- struct ww_tty *t;
-{
-#ifdef OLD_TTY
- if (ioctl(d, TIOCGETP, (char *)&t->ww_sgttyb) < 0)
- goto bad;
- if (ioctl(d, TIOCGETC, (char *)&t->ww_tchars) < 0)
- goto bad;
- if (ioctl(d, TIOCGLTC, (char *)&t->ww_ltchars) < 0)
- goto bad;
- if (ioctl(d, TIOCLGET, (char *)&t->ww_lmode) < 0)
- goto bad;
- if (ioctl(d, TIOCGETD, (char *)&t->ww_ldisc) < 0)
- goto bad;
-#else
- if (tcgetattr(d, &t->ww_termios) < 0)
- goto bad;
-#endif
- return 0;
-bad:
- wwerrno = WWE_SYS;
- return -1;
-}
-
-/*
- * Set the modes of tty 'd' to 't'
- * 'o' is the current modes. We set the line discipline only if
- * it changes, to avoid unnecessary flushing of typeahead.
- */
-int
-wwsettty(d, t)
- int d;
- struct ww_tty *t;
-{
-#ifdef OLD_TTY
- int i;
-
- /* XXX, for buggy tty drivers that don't wait for output to drain */
- while (ioctl(d, TIOCOUTQ, &i) >= 0 && i > 0)
- usleep(100000);
- if (ioctl(d, TIOCSETN, (char *)&t->ww_sgttyb) < 0)
- goto bad;
- if (ioctl(d, TIOCSETC, (char *)&t->ww_tchars) < 0)
- goto bad;
- if (ioctl(d, TIOCSLTC, (char *)&t->ww_ltchars) < 0)
- goto bad;
- if (ioctl(d, TIOCLSET, (char *)&t->ww_lmode) < 0)
- goto bad;
- if (ioctl(d, TIOCGETD, (char *)&i) < 0)
- goto bad;
- if (t->ww_ldisc != i &&
- ioctl(d, TIOCSETD, (char *)&t->ww_ldisc) < 0)
- goto bad;
-#else
-#ifdef sun
- /* XXX, for buggy tty drivers that don't wait for output to drain */
- (void) tcdrain(d);
-#endif
- if (tcsetattr(d, TCSADRAIN, &t->ww_termios) < 0)
- goto bad;
-#endif
- return 0;
-bad:
- wwerrno = WWE_SYS;
- return -1;
-}
-
-/*
- * The ttysize and stop-start routines must also work
- * on the control side of pseudoterminals.
- */
-
-int
-wwgetttysize(d, r, c)
- int d;
- int *r, *c;
-{
- struct winsize winsize;
-
- if (ioctl(d, TIOCGWINSZ, (char *)&winsize) < 0) {
- wwerrno = WWE_SYS;
- return -1;
- }
- if (winsize.ws_row != 0)
- *r = winsize.ws_row;
- if (winsize.ws_col != 0)
- *c = winsize.ws_col;
- return 0;
-}
-
-int
-wwsetttysize(d, r, c)
- int d, r, c;
-{
- struct winsize winsize;
-
- winsize.ws_row = r;
- winsize.ws_col = c;
- winsize.ws_xpixel = winsize.ws_ypixel = 0;
- if (ioctl(d, TIOCSWINSZ, (char *)&winsize) < 0) {
- wwerrno = WWE_SYS;
- return -1;
- }
- return 0;
-}
-
-int
-wwstoptty(d)
- int d;
-{
-#if !defined(OLD_TTY) && defined(TCOOFF)
- /* not guaranteed to work on the pty side */
- if (tcflow(d, TCOOFF) < 0)
-#else
- if (ioctl(d, TIOCSTOP, (char *)0) < 0)
-#endif
- {
- wwerrno = WWE_SYS;
- return -1;
- }
- return 0;
-}
-
-int
-wwstarttty(d)
- int d;
-{
-#if !defined(OLD_TTY) && defined(TCOON)
- /* not guaranteed to work on the pty side */
- if (tcflow(d, TCOON) < 0)
-#else
- if (ioctl(d, TIOCSTART, (char *)0) < 0)
-#endif
- {
- wwerrno = WWE_SYS;
- return -1;
- }
- return 0;
-}
projects / apple / shell_cmds.git / blobdiff