gtty.c revision 1.5
11.5Scgd/* $NetBSD: gtty.c,v 1.5 2000/06/14 06:49:11 cgd Exp $ */
21.5Scgd
31.1Scgd/*
41.1Scgd * Copyright (c) 1994 Christopher G. Demetriou
51.1Scgd * All rights reserved.
61.1Scgd *
71.1Scgd * Redistribution and use in source and binary forms, with or without
81.1Scgd * modification, are permitted provided that the following conditions
91.1Scgd * are met:
101.1Scgd * 1. Redistributions of source code must retain the above copyright
111.1Scgd *    notice, this list of conditions and the following disclaimer.
121.1Scgd * 2. Redistributions in binary form must reproduce the above copyright
131.1Scgd *    notice, this list of conditions and the following disclaimer in the
141.1Scgd *    documentation and/or other materials provided with the distribution.
151.1Scgd * 3. All advertising materials mentioning features or use of this software
161.1Scgd *    must display the following acknowledgement:
171.1Scgd *      This product includes software developed by Christopher G. Demetriou.
181.1Scgd * 4. The name of the author may not be used to endorse or promote products
191.1Scgd *    derived from this software without specific prior written permission
201.1Scgd *
211.1Scgd * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
221.1Scgd * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
231.1Scgd * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
241.1Scgd * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
251.1Scgd * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
261.1Scgd * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
271.1Scgd * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
281.1Scgd * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
291.1Scgd * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
301.1Scgd * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
311.1Scgd */
321.1Scgd
331.2Slukem#include <sys/cdefs.h>
341.1Scgd#ifndef lint
351.5Scgd__RCSID("$NetBSD: gtty.c,v 1.5 2000/06/14 06:49:11 cgd Exp $");
361.1Scgd#endif /* not lint */
371.1Scgd
381.3Slukem#include <assert.h>
391.3Slukem#include <errno.h>
401.1Scgd#include <sgtty.h>
411.1Scgd
421.1Scgd/*
431.1Scgd * Get tty modes.
441.1Scgd * This was defined in ioctl_compat.h as:
451.1Scgd *	#define	gtty(fd, tty)	ioctl(fd, TIOCGETP, tty)
461.1Scgd */
471.1Scgdint
481.1Scgdgtty(fd, tty)
491.1Scgd	int fd;
501.1Scgd	struct sgttyb *tty;
511.1Scgd{
521.3Slukem
531.3Slukem	_DIAGASSERT(fd != -1);
541.3Slukem	_DIAGASSERT(tty != 0);
551.1Scgd
561.1Scgd	return (ioctl(fd, TIOCGETP, tty));
571.1Scgd}
58