xref: /titanic_51/usr/src/lib/libcurses/screen/raw.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*	Copyright (c) 1988 AT&T	*/
/*	  All Rights Reserved	*/

/*
 * University Copyright- Copyright (c) 1982, 1986, 1988
 * The Regents of the University of California
 * All Rights Reserved
 *
 * University Acknowledgment- Portions of this document are derived from
 * software developed by the University of California, Berkeley, and its
 * contributors.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

/*LINTLIBRARY*/

/*
 * Routines to deal with setting and resetting modes in the tty driver.
 * See also setupterm.c in the termlib part.
 */
#include <sys/types.h>
#include "curses_inc.h"

int
raw(void)
{
#ifdef SYSV
	/* Disable interrupt characters */
	PROGTTYS.c_lflag &= ~(ISIG|ICANON);
	PROGTTYS.c_cc[VMIN] = 1;
	PROGTTYS.c_cc[VTIME] = 0;
	PROGTTYS.c_iflag &= ~IXON;
#else
	PROGTTY.sg_flags &= ~CBREAK;
	PROGTTY.sg_flags |= RAW;
#endif

#ifdef DEBUG
#ifdef SYSV
	if (outf)
		fprintf(outf, "raw(), file %x, iflag %x, cflag %x\n",
	cur_term->Filedes, PROGTTYS.c_iflag, PROGTTYS.c_cflag);
#else
	if (outf)
		fprintf(outf, "raw(), file %x, flags %x\n",
	cur_term->Filedes, PROGTTY.sg_flags);
#endif /* SYSV */
#endif

	if (!needs_xon_xoff)
		xon_xoff = 0;	/* Cannot use xon/xoff in raw mode */
	cur_term->_fl_rawmode = 2;
	cur_term->_delay = -1;
	(void) reset_prog_mode();
#ifdef FIONREAD
	cur_term->timeout = 0;
#endif /* FIONREAD */
	return (OK);
}