GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/ssh/ssh/../sshtty.c Lines: 0 24 0.0 %
Date: 2017-11-13 Branches: 0 20 0.0 %

Line Branch Exec Source
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/* $OpenBSD: sshtty.c,v 1.14 2010/01/09 05:04:24 djm Exp $ */
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/*
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 * Author: Tatu Ylonen <ylo@cs.hut.fi>
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 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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 *                    All rights reserved
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 *
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 * As far as I am concerned, the code I have written for this software
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 * can be used freely for any purpose.  Any derived versions of this
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 * software must be clearly marked as such, and if the derived work is
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 * incompatible with the protocol description in the RFC file, it must be
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 * called by a name other than "ssh" or "Secure Shell".
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 */
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/*
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 * Copyright (c) 2001 Markus Friedl.  All rights reserved.
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 * Copyright (c) 2001 Kevin Steves.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <sys/types.h>
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#include <stdio.h>
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#include <termios.h>
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#include <pwd.h>
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#include "sshpty.h"
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static struct termios _saved_tio;
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static int _in_raw_mode = 0;
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struct termios *
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get_saved_tio(void)
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{
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	return _in_raw_mode ? &_saved_tio : NULL;
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}
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void
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leave_raw_mode(int quiet)
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{
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	if (!_in_raw_mode)
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		return;
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	if (tcsetattr(fileno(stdin), TCSADRAIN, &_saved_tio) == -1) {
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		if (!quiet)
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			perror("tcsetattr");
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	} else
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		_in_raw_mode = 0;
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}
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void
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enter_raw_mode(int quiet)
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{
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	struct termios tio;
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	if (tcgetattr(fileno(stdin), &tio) == -1) {
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		if (!quiet)
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			perror("tcgetattr");
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		return;
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	}
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	_saved_tio = tio;
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	tio.c_iflag |= IGNPAR;
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	tio.c_iflag &= ~(ISTRIP | INLCR | IGNCR | ICRNL | IXON | IXANY | IXOFF);
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#ifdef IUCLC
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	tio.c_iflag &= ~IUCLC;
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#endif
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	tio.c_lflag &= ~(ISIG | ICANON | ECHO | ECHOE | ECHOK | ECHONL);
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#ifdef IEXTEN
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	tio.c_lflag &= ~IEXTEN;
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#endif
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	tio.c_oflag &= ~OPOST;
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	tio.c_cc[VMIN] = 1;
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	tio.c_cc[VTIME] = 0;
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	if (tcsetattr(fileno(stdin), TCSADRAIN, &tio) == -1) {
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		if (!quiet)
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			perror("tcsetattr");
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	} else
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		_in_raw_mode = 1;
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}