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