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/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This is an open source non-commercial project. Dear PVS-Studio, please check it.
* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
*/
#include <config.h>
#include <termios.h>
#include <sudo_compat.h>
/* Non-standard termios input flags */
#ifndef IUCLC
# define IUCLC 0
#endif
#ifndef IMAXBEL
# define IMAXBEL 0
#endif
/* Non-standard termios local flags */
#ifndef IEXTEN
# define IEXTEN 0
#endif
/*
* Set termios to raw mode (BSD extension).
*/
void
sudo_cfmakeraw(struct termios *term)
{
/* Set terminal to raw mode */
CLR(term->c_iflag,
IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IMAXBEL|IUCLC);
CLR(term->c_oflag, OPOST);
CLR(term->c_lflag, ECHO|ECHONL|ICANON|ISIG|IEXTEN);
CLR(term->c_cflag, CSIZE|PARENB);
SET(term->c_cflag, CS8);
term->c_cc[VMIN] = 1;
term->c_cc[VTIME] = 0;
}
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