/*-
 * Copyright (c) 2001 David Giffin.
 * All rights reserved.
 *
 * Based on the the Java version: Andrew Khan Copyright (c) 2000. 
 *
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by
 *     David Giffin <david@giffin.org>."
 *
 * 4. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by
 *     David Giffin <david@giffin.org>."
 *
 * THIS SOFTWARE IS PROVIDED BY DAVID GIFFIN ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL DAVID GIFFIN OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *      $Id: main.c,v 1.8.2.19 2000/03/31 00:06:34 david Exp $
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include "biff.h"
#include "book.h"
#include "interger.h"

record *
record_get(book *book) {
	record *rec;

	if (book_feof(book)) return NULL;

	rec = mymalloc(sizeof(*rec));

	rec->data     = NULL;
	rec->code     = book_get2bytes(book);
	rec->length   = book_get2bytes(book);
	rec->position = book->position;
	book_skip(book, rec->length);

	// printf("Record code: %d length: %d position: %d \n", rec->code, rec->length, rec->position);

	return rec;
}

record *
record_peek(book *book) {
	int oldpos;
	record *nextrecord;
	oldpos = book->position;
	nextrecord = record_get(book);
	book_position(book,oldpos);
	return nextrecord;
}


int
record_length(record *record) {
	return record->length;
}

char *
record_getdata(book *book, record *record) {
	if (record->data == NULL) {
		record->data = book_read(book,record->position,record->length);
	}
	return record->data;
}

int
record_getcode(record *record) {
	return record->code;
}