/*
 * Serial line flow control option settings.
 * $Id$
 * Copyright (c) 1997 by Tycho Softworks.
 * For conditions of distribution and reuse see product license.
 */

#include <dev/tty.h>
#ifndef	TERMIOS_H_MISSING
#include <termios.h>
#endif

#ifndef	CRTSCTS
#ifdef	CTSFLOW
#define	CRTSCTS	CTSFLOW | CRTSFL
#endif
#endif

int	setflowctrl(stty_t stty, FLOWCONTROL flow)
{
#ifndef	TERMIOS_H_MISSING

	struct	termios *tios = stty;
	tios->c_cflag &= ~CRTSCTS;
	tios->c_iflag &= ~(IXON | IXOFF | IXANY);
	
	switch(flow)
	{
	case FC_HARD:
		tios->c_cflag |= CRTSCTS;
		break;
	case FC_SOFT:
		tios->c_iflag |= (IXON | IXOFF | IXANY);
		break;
	case FC_FULL:
		tios->c_cflag |= CRTSCTS;
		tios->c_iflag |= (IXON | IXOFF | IXANY);
		break;
	}
#endif
	return 0;
}