xref: /titanic_51/usr/src/lib/libc/port/gen/tcsetattr.c (revision 7257d1b4d25bfac0c802847390e98a464fd787ac)
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 ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #pragma weak _tcsetattr = tcsetattr
33 
34 #include "lint.h"
35 #include <sys/types.h>
36 #include <sys/termios.h>
37 #include <errno.h>
38 #include <unistd.h>
39 
40 /*
41  * set parameters associated with termios
42  */
43 
44 int
45 tcsetattr(int fildes, int optional_actions, const struct termios *termios_p)
46 {
47 
48 	int rval;
49 
50 	switch (optional_actions) {
51 
52 		case TCSANOW:
53 
54 			rval = ioctl(fildes, TCSETS, termios_p);
55 			break;
56 
57 		case TCSADRAIN:
58 
59 			rval = ioctl(fildes, TCSETSW, termios_p);
60 			break;
61 
62 		case TCSAFLUSH:
63 
64 			rval = ioctl(fildes, TCSETSF, termios_p);
65 			break;
66 
67 		default:
68 
69 			rval = -1;
70 			errno = EINVAL;
71 	}
72 	return (rval);
73 }
74