/* $OpenBSD: lib_raw.c,v 1.8 2010/01/12 23:22:06 nicm Exp $ */

/****************************************************************************

 * Copyright (c) 1998-2002,2007 Free Software Foundation, Inc.              *

 *                                                                          *

 * Permission is hereby granted, free of charge, to any person obtaining a  *

 * copy of this software and associated documentation files (the            *

 * "Software"), to deal in the Software without restriction, including      *

 * without limitation the rights to use, copy, modify, merge, publish,      *

 * distribute, distribute with modifications, sublicense, and/or sell       *

 * copies of the Software, and to permit persons to whom the Software is    *

 * furnished to do so, subject to the following conditions:                 *

 *                                                                          *

 * The above copyright notice and this permission notice shall be included  *

 * in all copies or substantial portions of the Software.                   *

 *                                                                          *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *

 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *

 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *

 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *

 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *

 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *

 *                                                                          *

 * Except as contained in this notice, the name(s) of the above copyright   *

 * holders shall not be used in advertising or otherwise to promote the     *

 * sale, use or other dealings in this Software without prior written       *

 * authorization.                                                           *

 ****************************************************************************/

/****************************************************************************

 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *

 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *

 *     and: Thomas E. Dickey 1998 on                                        *

 ****************************************************************************/

/*

 *	raw.c

 *

 *	Routines:

 *		raw()

 *		cbreak()

 *		noraw()

 *		nocbreak()

 *		qiflush()

 *		noqiflush()

 *		intrflush()

 *

 */

#include <curses.priv.h>

#include <term.h>		/* cur_term */

MODULE_ID("$Id: lib_raw.c,v 1.8 2010/01/12 23:22:06 nicm Exp $")

#if SVR4_TERMIO && !defined(_POSIX_SOURCE)

#define _POSIX_SOURCE

#endif

#if HAVE_SYS_TERMIO_H

#include <sys/termio.h>		/* needed for ISC */

#endif

#ifdef __EMX__

#include <io.h>

#define _nc_setmode(mode) setmode(SP->_ifd, mode)

#else

#define _nc_setmode(mode)	/* nothing */

#endif

#define COOKED_INPUT	(IXON|BRKINT|PARMRK)

#ifdef TRACE

#define BEFORE(N)	if (USE_TRACEF(TRACE_BITS)) _nc_locked_tracef("%s before bits: %s", N, _nc_tracebits())

#define AFTER(N)	if (USE_TRACEF(TRACE_BITS)) _nc_locked_tracef("%s after bits: %s", N, _nc_tracebits())

#else

#define BEFORE(s)

#define AFTER(s)

#endif /* TRACE */

NCURSES_EXPORT(int)

raw(void)

{

    int result = ERR;

    T((T_CALLED("raw()")));

	BEFORE("raw");

	_nc_setmode(O_BINARY);

#ifdef TERMIOS

#else

	buf.sg_flags |= RAW;

#endif

	}

	AFTER("raw");

    }

}

NCURSES_EXPORT(int)

cbreak(void)

{

    int result = ERR;

    T((T_CALLED("cbreak()")));

	BEFORE("cbreak");

	_nc_setmode(O_BINARY);

#ifdef TERMIOS

#else

	buf.sg_flags |= CBREAK;

#endif

	}

	AFTER("cbreak");

    }

}

/*

 * Note:

 * this implementation may be wrong.  See the comment under intrflush().

 */

NCURSES_EXPORT(void)

qiflush(void)

{

    int result = ERR;

    T((T_CALLED("qiflush()")));

	BEFORE("qiflush");

#ifdef TERMIOS

#else

	/* FIXME */

#endif

	AFTER("qiflush");

    }

    returnVoid;

}

NCURSES_EXPORT(int)

noraw(void)

{

    int result = ERR;

    T((T_CALLED("noraw()")));

	BEFORE("noraw");

	_nc_setmode(O_TEXT);

#ifdef TERMIOS

#else

	buf.sg_flags &= ~(RAW | CBREAK);

#endif

	}

	AFTER("noraw");

    }

}

NCURSES_EXPORT(int)

nocbreak(void)

{

    int result = ERR;

    T((T_CALLED("nocbreak()")));

	BEFORE("nocbreak");

	_nc_setmode(O_TEXT);

#ifdef TERMIOS

#else

	buf.sg_flags &= ~CBREAK;

#endif

	}

	AFTER("nocbreak");

    }

}

/*

 * Note:

 * this implementation may be wrong.  See the comment under intrflush().

 */

NCURSES_EXPORT(void)

noqiflush(void)

{

    int result = ERR;

    T((T_CALLED("noqiflush()")));

	BEFORE("noqiflush");

#ifdef TERMIOS

#else

	/* FIXME */

#endif

	}

	AFTER("noqiflush");

    }

    returnVoid;

}

/*

 * This call does the same thing as the qiflush()/noqiflush() pair.  We know

 * for certain that SVr3 intrflush() tweaks the NOFLSH bit; on the other hand,

 * the match (in the SVr4 man pages) between the language describing NOFLSH in

 * termio(7) and the language describing qiflush()/noqiflush() in

 * curs_inopts(3x) is too exact to be coincidence.

 */

NCURSES_EXPORT(int)

intrflush(WINDOW *win GCC_UNUSED, bool flag)

{

    int result = ERR;

    T((T_CALLED("intrflush(%d)"), flag));

	BEFORE("intrflush");

#ifdef TERMIOS

	else

#else

	/* FIXME */

#endif

	}

	AFTER("intrflush");

    }

}