GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcurses/tinfo/lib_raw.c Lines: 0 68 0.0 %
Date: 2017-11-13 Branches: 0 28 0.0 %

Line Branch Exec Source
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/* $OpenBSD: lib_raw.c,v 1.8 2010/01/12 23:22:06 nicm Exp $ */
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/****************************************************************************
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 * Copyright (c) 1998-2002,2007 Free Software Foundation, Inc.              *
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 *                                                                          *
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 * Permission is hereby granted, free of charge, to any person obtaining a  *
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 * copy of this software and associated documentation files (the            *
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 * "Software"), to deal in the Software without restriction, including      *
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 * without limitation the rights to use, copy, modify, merge, publish,      *
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 * distribute, distribute with modifications, sublicense, and/or sell       *
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 * copies of the Software, and to permit persons to whom the Software is    *
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 * furnished to do so, subject to the following conditions:                 *
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 *                                                                          *
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 * The above copyright notice and this permission notice shall be included  *
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 * in all copies or substantial portions of the Software.                   *
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 *                                                                          *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
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 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
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 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
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 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
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 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
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 *                                                                          *
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 * Except as contained in this notice, the name(s) of the above copyright   *
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 * holders shall not be used in advertising or otherwise to promote the     *
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 * sale, use or other dealings in this Software without prior written       *
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 * authorization.                                                           *
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 ****************************************************************************/
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/****************************************************************************
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 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
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 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
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 *     and: Thomas E. Dickey 1998 on                                        *
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 ****************************************************************************/
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/*
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 *	raw.c
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 *
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 *	Routines:
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 *		raw()
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 *		cbreak()
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 *		noraw()
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 *		nocbreak()
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 *		qiflush()
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 *		noqiflush()
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 *		intrflush()
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 *
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 */
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#include <curses.priv.h>
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#include <term.h>		/* cur_term */
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MODULE_ID("$Id: lib_raw.c,v 1.8 2010/01/12 23:22:06 nicm Exp $")
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#if SVR4_TERMIO && !defined(_POSIX_SOURCE)
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#define _POSIX_SOURCE
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#endif
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#if HAVE_SYS_TERMIO_H
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#include <sys/termio.h>		/* needed for ISC */
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#endif
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#ifdef __EMX__
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#include <io.h>
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#define _nc_setmode(mode) setmode(SP->_ifd, mode)
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#else
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#define _nc_setmode(mode)	/* nothing */
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#endif
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#define COOKED_INPUT	(IXON|BRKINT|PARMRK)
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#ifdef TRACE
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#define BEFORE(N)	if (USE_TRACEF(TRACE_BITS)) _nc_locked_tracef("%s before bits: %s", N, _nc_tracebits())
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#define AFTER(N)	if (USE_TRACEF(TRACE_BITS)) _nc_locked_tracef("%s after bits: %s", N, _nc_tracebits())
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#else
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#define BEFORE(s)
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#define AFTER(s)
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#endif /* TRACE */
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NCURSES_EXPORT(int)
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raw(void)
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{
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    int result = ERR;
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    T((T_CALLED("raw()")));
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    if (SP != 0 && cur_term != 0) {
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	TTY buf;
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	BEFORE("raw");
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	_nc_setmode(O_BINARY);
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	buf = cur_term->Nttyb;
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#ifdef TERMIOS
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	buf.c_lflag &= ~(ICANON | ISIG | IEXTEN);
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	buf.c_iflag &= ~(COOKED_INPUT);
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	buf.c_cc[VMIN] = 1;
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	buf.c_cc[VTIME] = 0;
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#else
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	buf.sg_flags |= RAW;
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#endif
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	if ((result = _nc_set_tty_mode(&buf)) == OK) {
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	    SP->_raw = TRUE;
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	    SP->_cbreak = 1;
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	    cur_term->Nttyb = buf;
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	}
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	AFTER("raw");
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    }
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    returnCode(result);
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}
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NCURSES_EXPORT(int)
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cbreak(void)
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{
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    int result = ERR;
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    T((T_CALLED("cbreak()")));
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    if (SP != 0 && cur_term != 0) {
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	TTY buf;
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	BEFORE("cbreak");
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	_nc_setmode(O_BINARY);
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	buf = cur_term->Nttyb;
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#ifdef TERMIOS
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	buf.c_lflag &= ~ICANON;
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	buf.c_iflag &= ~ICRNL;
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	buf.c_lflag |= ISIG;
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	buf.c_cc[VMIN] = 1;
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	buf.c_cc[VTIME] = 0;
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#else
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	buf.sg_flags |= CBREAK;
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#endif
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	if ((result = _nc_set_tty_mode(&buf)) == OK) {
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	    SP->_cbreak = 1;
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	    cur_term->Nttyb = buf;
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	}
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	AFTER("cbreak");
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    }
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    returnCode(result);
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}
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/*
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 * Note:
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 * this implementation may be wrong.  See the comment under intrflush().
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 */
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NCURSES_EXPORT(void)
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qiflush(void)
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{
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    int result = ERR;
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    T((T_CALLED("qiflush()")));
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    if (cur_term != 0) {
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	TTY buf;
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	BEFORE("qiflush");
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	buf = cur_term->Nttyb;
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#ifdef TERMIOS
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	buf.c_lflag &= ~(NOFLSH);
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	result = _nc_set_tty_mode(&buf);
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#else
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	/* FIXME */
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#endif
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	if (result == OK)
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	    cur_term->Nttyb = buf;
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	AFTER("qiflush");
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    }
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    returnVoid;
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}
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NCURSES_EXPORT(int)
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noraw(void)
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{
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    int result = ERR;
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    T((T_CALLED("noraw()")));
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    if (SP != 0 && cur_term != 0) {
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	TTY buf;
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	BEFORE("noraw");
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	_nc_setmode(O_TEXT);
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	buf = cur_term->Nttyb;
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#ifdef TERMIOS
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	buf.c_lflag |= ISIG | ICANON |
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	    (cur_term->Ottyb.c_lflag & IEXTEN);
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	buf.c_iflag |= COOKED_INPUT;
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#else
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	buf.sg_flags &= ~(RAW | CBREAK);
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#endif
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	if ((result = _nc_set_tty_mode(&buf)) == OK) {
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	    SP->_raw = FALSE;
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	    SP->_cbreak = 0;
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	    cur_term->Nttyb = buf;
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	}
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	AFTER("noraw");
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    }
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    returnCode(result);
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}
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NCURSES_EXPORT(int)
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nocbreak(void)
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{
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    int result = ERR;
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    T((T_CALLED("nocbreak()")));
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    if (SP != 0 && cur_term != 0) {
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	TTY buf;
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	BEFORE("nocbreak");
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	_nc_setmode(O_TEXT);
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	buf = cur_term->Nttyb;
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#ifdef TERMIOS
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	buf.c_lflag |= ICANON;
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	buf.c_iflag |= ICRNL;
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#else
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	buf.sg_flags &= ~CBREAK;
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#endif
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	if ((result = _nc_set_tty_mode(&buf)) == OK) {
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	    SP->_cbreak = 0;
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	    cur_term->Nttyb = buf;
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	}
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	AFTER("nocbreak");
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    }
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    returnCode(result);
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}
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/*
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 * Note:
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 * this implementation may be wrong.  See the comment under intrflush().
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 */
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NCURSES_EXPORT(void)
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noqiflush(void)
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{
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    int result = ERR;
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    T((T_CALLED("noqiflush()")));
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    if (cur_term != 0) {
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	TTY buf;
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	BEFORE("noqiflush");
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	buf = cur_term->Nttyb;
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#ifdef TERMIOS
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	buf.c_lflag |= NOFLSH;
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	result = _nc_set_tty_mode(&buf);
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#else
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	/* FIXME */
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#endif
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	if (result == OK) {
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	    cur_term->Nttyb = buf;
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	}
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	AFTER("noqiflush");
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    }
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    returnVoid;
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}
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/*
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 * This call does the same thing as the qiflush()/noqiflush() pair.  We know
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 * for certain that SVr3 intrflush() tweaks the NOFLSH bit; on the other hand,
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 * the match (in the SVr4 man pages) between the language describing NOFLSH in
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 * termio(7) and the language describing qiflush()/noqiflush() in
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 * curs_inopts(3x) is too exact to be coincidence.
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 */
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NCURSES_EXPORT(int)
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intrflush(WINDOW *win GCC_UNUSED, bool flag)
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{
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    int result = ERR;
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    T((T_CALLED("intrflush(%d)"), flag));
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    if (cur_term != 0) {
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	TTY buf;
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	BEFORE("intrflush");
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	buf = cur_term->Nttyb;
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#ifdef TERMIOS
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	if (flag)
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	    buf.c_lflag &= ~(NOFLSH);
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	else
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	    buf.c_lflag |= (NOFLSH);
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	result = _nc_set_tty_mode(&buf);
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#else
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	/* FIXME */
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#endif
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	if (result == OK) {
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	    cur_term->Nttyb = buf;
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	}
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	AFTER("intrflush");
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    }
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    returnCode(result);
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}