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lib/util/cfmakeraw.c
53 строки
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Todd C. Miller
Remove Open Source PVS-Studio comments
28 сен 2025, 18:40
28 сен 2025, 18:40
2a33699
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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. */ #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; }