tools/llvm: Do not build with symbols
[minix3.git] / lib / libc / termios / tcsetattr.c
blobbbc734e112c5ff248ca9ccd9c788c93fbdbfd28e
1 /* $NetBSD: tcsetattr.c,v 1.9 2012/06/25 22:32:46 abs Exp $ */
3 /*-
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
32 #include <sys/cdefs.h>
33 #if defined(LIBC_SCCS) && !defined(lint)
34 #if 0
35 static char sccsid[] = "@(#)termios.c 8.2 (Berkeley) 2/21/94";
36 #else
37 __RCSID("$NetBSD: tcsetattr.c,v 1.9 2012/06/25 22:32:46 abs Exp $");
38 #endif
39 #endif /* LIBC_SCCS and not lint */
41 #include "namespace.h"
42 #include <sys/ioctl.h>
44 #include <assert.h>
45 #include <errno.h>
46 #include <stdio.h>
47 #include <termios.h>
49 #ifdef __weak_alias
50 __weak_alias(tcsetattr,_tcsetattr)
51 #endif
53 int
54 tcsetattr(int fd, int opt, const struct termios *t)
56 struct termios localterm;
58 _DIAGASSERT(fd != -1);
59 _DIAGASSERT(t != NULL);
61 if (opt & TCSASOFT) {
62 localterm = *t;
63 localterm.c_cflag |= CIGNORE;
64 t = &localterm;
66 switch (opt & ~TCSASOFT) {
67 case TCSANOW:
68 return (ioctl(fd, TIOCSETA, t));
69 case TCSADRAIN:
70 return (ioctl(fd, TIOCSETAW, t));
71 case TCSAFLUSH:
72 return (ioctl(fd, TIOCSETAF, t));
73 default:
74 errno = EINVAL;
75 return (-1);