/*
 * $Id: register.h,v 1.3 2003/03/13 09:36:07 telka Exp $
 *
 * Copyright (C) 2002, 2003 ETC s.r.o.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * Written by Marcel Telka <marcel@telka.sk>, 2002, 2003.
 *
 */

#ifndef REGISTER_H
#define	REGISTER_H

#define	tap_register_t	tap_register
typedef struct tap_register {
	char *data;		/* (public, r/w) register data */
	int len;		/* (public, r/o) register length */
	char *string;		/* (private) string representation of register data */
} tap_register_t;

tap_register *register_alloc( int len );
tap_register *register_duplicate( const tap_register_t *tr );
void register_free( tap_register_t *tr );
tap_register *register_fill( tap_register_t *tr, int val );
const char *register_get_string( const tap_register_t *tr );
tap_register *register_init( tap_register_t *tr, const char *value );
int register_compare( const tap_register_t *tr, const tap_register_t *tr2 );
int register_match( const tap_register_t *tr, const char *expr );
tap_register *register_inc( tap_register_t *tr );
tap_register *register_dec( tap_register_t *tr );
tap_register *register_shift_right( tap_register_t *tr, int shift );
tap_register *register_shift_left( tap_register_t *tr, int shift );

#endif /* REGISTER_H */