1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source.  A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 /* This file is dual-licensed; see usr/src/contrib/bhyve/LICENSE */
12 
13 /*
14  * Copyright 2013 Pluribus Networks Inc.
15  * Copyright 2017 Joyent, Inc.
16  */
17 
18 #include <sys/uio.h>
19 
20 #include <termios.h>
21 #include <unistd.h>
22 
23 /*
24  * Make a pre-existing termios structure into "raw" mode: character-at-a-time
25  * mode with no characters interpreted, 8-bit data path.
26  */
27 void
cfmakeraw(struct termios * t)28 cfmakeraw(struct termios *t)
29 {
30 	t->c_iflag &= ~(IMAXBEL|IXOFF|INPCK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|
31 	    ICRNL|IXON|IGNPAR);
32 	t->c_iflag |= IGNBRK;
33 	t->c_oflag &= ~OPOST;
34 	t->c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL|ICANON|ISIG|IEXTEN|NOFLSH|
35 	    TOSTOP|PENDIN);
36 	t->c_cflag &= ~(CSIZE|PARENB);
37 	t->c_cflag |= CS8|CREAD;
38 	t->c_cc[VMIN] = 1;
39 	t->c_cc[VTIME] = 0;
40 }
41