libc/xcurses/cbreak.c

	cbreak.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 (c) 1995, by Sun Microsystems, Inc.
 * All rights reserved.
 */

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

/*
 * cbreak.c
 *
 * XCurses Library
 *
 * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
 *
 */

#if M_RCSID
#ifndef lint
static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/cbreak.c 1.2 1995/06/19 16:11:50 ant Exp $";
#endif
#endif

#include <private.h>

int
cbreak()
{
#ifdef M_CURSES_TRACE
    __m_trace("cbreak(void)");
#endif

    cur_term->_flags &= ~__TERM_HALF_DELAY;

    cur_term->_prog.c_cc[VMIN] = 1;
    cur_term->_prog.c_cc[VTIME] = 0;
    cur_term->_prog.c_lflag &= ~ICANON;

    return __m_return_code("cbreak", __m_tty_set(&cur_term->_prog));
}

int
nocbreak()
{
#ifdef M_CURSES_TRACE
    __m_trace("nocbreak(void)");
#endif

    cur_term->_flags &= ~__TERM_HALF_DELAY;

    /* On some systems VMIN and VTIME map to VEOF and VEOL, which
     * means we have to restore them to their original settings.
     */
    cur_term->_prog.c_cc[VEOF] = cur_term->_shell.c_cc[VEOF];
    cur_term->_prog.c_cc[VEOL] = cur_term->_shell.c_cc[VEOL];
    cur_term->_prog.c_lflag |= ICANON;

    return __m_return_code("nocbreak", __m_tty_set(&cur_term->_prog));
}

/*
 * Set global timeout value, which overrides individual window timeout
 * values (I think believe X/Open specified this wrong).
 */
int
halfdelay(tenths)
int tenths;
{
#ifdef M_CURSES_TRACE
    __m_trace("halfdelay(%d)", tenths);
#endif

    cur_term->_flags |= __TERM_HALF_DELAY;

    cur_term->_prog.c_cc[VMIN] = 0;
    cur_term->_prog.c_cc[VTIME] = tenths;
    cur_term->_prog.c_lflag &= ~ICANON;

    return __m_return_code("halfdelay", __m_tty_set(&cur_term->_prog));
}

int
raw()
{
#ifdef M_CURSES_TRACE
    __m_trace("raw(void)");
#endif

    cur_term->_flags &= ~__TERM_HALF_DELAY;

    cur_term->_prog.c_cc[VMIN] = 1;
    cur_term->_prog.c_cc[VTIME] = 0;
    cur_term->_prog.c_lflag &= ~(ICANON | ISIG | IXON);

    return __m_return_code("raw", __m_tty_set(&cur_term->_prog));
}

int
noraw()
{
#ifdef M_CURSES_TRACE
    __m_trace("noraw(void)");
#endif

    cur_term->_flags &= ~__TERM_HALF_DELAY;

    /* On some systems VMIN and VTIME map to VEOF and VEOL, which
     * means we have to restore them to their original settings.
     */
    cur_term->_prog.c_cc[VEOF] = cur_term->_shell.c_cc[VEOF];
    cur_term->_prog.c_cc[VEOL] = cur_term->_shell.c_cc[VEOL];
    cur_term->_prog.c_lflag |= ICANON | ISIG | IXON;

    return __m_return_code("noraw", __m_tty_set(&cur_term->_prog));
}