1*a167d8c1Sguenther /* $OpenBSD: tcsetattr.c,v 1.6 2015/09/13 11:51:36 guenther Exp $ */
2df930be7Sderaadt /*-
3df930be7Sderaadt * Copyright (c) 1989, 1993
4df930be7Sderaadt * The Regents of the University of California. All rights reserved.
5df930be7Sderaadt *
6df930be7Sderaadt * Redistribution and use in source and binary forms, with or without
7df930be7Sderaadt * modification, are permitted provided that the following conditions
8df930be7Sderaadt * are met:
9df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright
10df930be7Sderaadt * notice, this list of conditions and the following disclaimer.
11df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright
12df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the
13df930be7Sderaadt * documentation and/or other materials provided with the distribution.
146580fee3Smillert * 3. Neither the name of the University nor the names of its contributors
15df930be7Sderaadt * may be used to endorse or promote products derived from this software
16df930be7Sderaadt * without specific prior written permission.
17df930be7Sderaadt *
18df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28df930be7Sderaadt * SUCH DAMAGE.
29df930be7Sderaadt */
30df930be7Sderaadt
31df930be7Sderaadt #include <sys/ioctl.h>
32df930be7Sderaadt #include <termios.h>
33df930be7Sderaadt #include <errno.h>
34df930be7Sderaadt
35df930be7Sderaadt int
tcsetattr(int fd,int opt,const struct termios * t)36f723aa39Sderaadt tcsetattr(int fd, int opt, const struct termios *t)
37df930be7Sderaadt {
38df930be7Sderaadt struct termios localterm;
39df930be7Sderaadt
40df930be7Sderaadt if (opt & TCSASOFT) {
41df930be7Sderaadt localterm = *t;
42df930be7Sderaadt localterm.c_cflag |= CIGNORE;
43df930be7Sderaadt t = &localterm;
44df930be7Sderaadt }
45df930be7Sderaadt switch (opt & ~TCSASOFT) {
46df930be7Sderaadt case TCSANOW:
47df930be7Sderaadt return (ioctl(fd, TIOCSETA, t));
48df930be7Sderaadt case TCSADRAIN:
49df930be7Sderaadt return (ioctl(fd, TIOCSETAW, t));
50df930be7Sderaadt case TCSAFLUSH:
51df930be7Sderaadt return (ioctl(fd, TIOCSETAF, t));
52df930be7Sderaadt default:
53df930be7Sderaadt errno = EINVAL;
54df930be7Sderaadt return (-1);
55df930be7Sderaadt }
56df930be7Sderaadt }
57*a167d8c1Sguenther DEF_WEAK(tcsetattr);
58