2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Edward Wang at The University of California, Berkeley.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 static char sccsid[] = "@(#)wwenviron.c 8.1 (Berkeley) 6/6/93";
42 #if !defined(OLD_TTY) && !defined(TIOCSCTTY) && !defined(TIOCNOTTY)
43 #include <sys/ioctl.h>
48 * Set up the environment of this process to run in window 'wp'.
51 register struct ww *wp;
60 if ((i = open("/dev/tty", 0)) < 0)
62 if (ioctl(i, TIOCNOTTY, (char *)0) < 0)
66 if ((i = wp->ww_socket) < 0) {
67 if ((i = open(wp->ww_ttyname, 2)) < 0)
69 if (wwsettty(i, &wwwintty) < 0)
71 if (wwsetttysize(i, wp->ww_w.nr, wp->ww_w.nc) < 0)
80 (void) ioctl(0, TIOCSCTTY, 0);
82 (void) ioctl(0, TIOCSPGRP, (char *)&pgrp);
83 (void) setpgrp(pgrp, pgrp);
85 /* SIGPIPE is the only one we ignore */
86 (void) signal(SIGPIPE, SIG_DFL);
89 * Two conditions that make destructive setenv ok:
90 * 1. setenv() copies the string,
91 * 2. we've already called tgetent which copies the termcap entry.
93 (void) sprintf(buf, "%sco#%d:li#%d:%s",
94 WWT_TERMCAP, wp->ww_w.nc, wp->ww_w.nr, wwwintermcap);
95 (void) setenv("TERMCAP", buf, 1);
96 (void) sprintf(buf, "%d", wp->ww_id + 1);
97 (void) setenv("WINDOW_ID", buf, 1);