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/*
* 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[] = "@(#)wwpty.c 8.1 (Berkeley) 6/6/93";
static char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include "ww.h"
#include <fcntl.h>
#include <stdlib.h>
#if !defined(OLD_TTY) && !defined(TIOCPKT)
#include <sys/ioctl.h>
#endif
wwgetpty(w)
register struct ww *w;
{
char *ttyname;
int master, slave, on;
#define PTY "/dev/XtyXX"
on = 1;
w->ww_pty = -1;
ttyname = malloc(strlen(PTY) + 1);
if (openpty(&master, &slave, ttyname, NULL, NULL) == 0) {
w->ww_pty = master;
(void) strcpy(w->ww_ttyname, ttyname);
if (ioctl(w->ww_pty, TIOCPKT, (char *)&on) < 0) {
(void) close(w->ww_pty);
wwerrno = WWE_SYS;
} else {
(void) fcntl(w->ww_pty, F_SETFD, 1);
free(ttyname);
return 0;
}
}
free(ttyname);
wwerrno = WWE_NOPTY;
return -1;
}
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