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 
  12 /*
  13  * Copyright 2013 Pluribus Networks Inc.
  14  * Copyright 2017 Joyent, Inc.
  15  */
  16 
  17 #include <sys/uio.h>
  18 
  19 #include <termios.h>
  20 #include <unistd.h>
  21 
  22 /*
  23  * Make a pre-existing termios structure into "raw" mode: character-at-a-time
  24  * mode with no characters interpreted, 8-bit data path.
  25  */
  26 void
  27 cfmakeraw(struct termios *t)
  28 {
  29         t->c_iflag &= ~(IMAXBEL|IXOFF|INPCK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|
  30             ICRNL|IXON|IGNPAR);
  31         t->c_iflag |= IGNBRK;
  32         t->c_oflag &= ~OPOST;
  33         t->c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL|ICANON|ISIG|IEXTEN|NOFLSH|
  34             TOSTOP|PENDIN);
  35         t->c_cflag &= ~(CSIZE|PARENB);
  36         t->c_cflag |= CS8|CREAD;
  37         t->c_cc[VMIN] = 1;
  38         t->c_cc[VTIME] = 0;
  39 }