/*
 * $Id: instruction.c,v 1.7 2003/08/19 08:42:20 telka Exp $
 *
 * Copyright (C) 2002 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.
 *
 */

#include "sysdep.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include "instruction.h"

instruction *
instruction_alloc( const char *name, int len, const char *val )
{
	instruction *i;

	if (!name || !val)
		return NULL;

	i = malloc( sizeof *i );
	if (!i)
		return NULL;

	if (strlen( name ) > MAXLEN_INSTRUCTION)
		printf( _("Warning: Instruction name too long\n") );
	strncpy( i->name, name, MAXLEN_INSTRUCTION );
	i->name[MAXLEN_INSTRUCTION] = '\0';

	i->value = register_alloc( len );
	if (!i->value) {
		free( i->name );
		free( i );
		return NULL;
	}

	register_init( i->value, val );
	i->data_register = NULL;
	i->next = NULL;

	return i;
}

void
instruction_free( instruction *i )
{
	if (!i)
		return;

	register_free( i->value );
	free( i );
}