diff options
Diffstat (limited to 'usr.bin/window/wwtty.c')
| -rw-r--r-- | usr.bin/window/wwtty.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/usr.bin/window/wwtty.c b/usr.bin/window/wwtty.c deleted file mode 100644 index 94de13c..0000000 --- a/usr.bin/window/wwtty.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * 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. - */ - -#ifndef lint -static char sccsid[] = "@(#)wwtty.c 8.1 (Berkeley) 6/6/93"; -static char rcsid[] = - "$FreeBSD$"; -#endif /* not lint */ - -#include "ww.h" -#include <sys/types.h> -#include <fcntl.h> -#if !defined(OLD_TTY) && !defined(TIOCGWINSZ) -#include <sys/ioctl.h> -#endif - -wwgettty(d, t) -register 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 - if ((t->ww_fflags = fcntl(d, F_GETFL, 0)) < 0) - goto bad; - 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. - */ -wwsettty(d, t) -register 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 - if (fcntl(d, F_SETFL, t->ww_fflags) < 0) - goto bad; - return 0; -bad: - wwerrno = WWE_SYS; - return -1; -} - -/* - * The ttysize and stop-start routines must also work - * on the control side of pseudoterminals. - */ - -wwgetttysize(d, r, c) - 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; -} - -wwsetttysize(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; -} - -wwstoptty(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; -} - -wwstarttty(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; -} |
