xref: /illumos-gate/usr/src/lib/libc/port/gen/tcsetattr.c (revision ddb365bfc9e868ad24ccdcb0dc91af18b10df082)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1988 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 #pragma weak _tcsetattr = tcsetattr
31 
32 #include "lint.h"
33 #include <sys/types.h>
34 #include <sys/termios.h>
35 #include <errno.h>
36 #include <unistd.h>
37 
38 /*
39  * set parameters associated with termios
40  */
41 
42 int
43 tcsetattr(int fildes, int optional_actions, const struct termios *termios_p)
44 {
45 
46 	int rval;
47 
48 	switch (optional_actions) {
49 
50 		case TCSANOW:
51 
52 			rval = ioctl(fildes, TCSETS, termios_p);
53 			break;
54 
55 		case TCSADRAIN:
56 
57 			rval = ioctl(fildes, TCSETSW, termios_p);
58 			break;
59 
60 		case TCSAFLUSH:
61 
62 			rval = ioctl(fildes, TCSETSF, termios_p);
63 			break;
64 
65 		default:
66 
67 			rval = -1;
68 			errno = EINVAL;
69 	}
70 	return (rval);
71 }
72