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