yaffs_tagsvalidity.c

来自「YAFFS/YAFFS2是效果很理想的NAND Flash上的文件系统」· C语言 代码 · 共 32 行

/*
 * YAFFS: Yet another FFS. A NAND-flash specific file system. 
 *
 * Copyright (C) 2002 Aleph One Ltd.
 *   for Toby Churchill Ltd and Brightstar Engineering
 *
 * Created by Charles Manning <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * $Id: yaffs_tagsvalidity.c,v 1.2 2005/08/11 02:33:03 marty Exp $
 */

#include "yaffs_tagsvalidity.h"

void yaffs_InitialiseTags(yaffs_ExtendedTags * tags)
{
	memset(tags, 0, sizeof(yaffs_ExtendedTags));
	tags->validMarker0 = 0xAAAAAAAA;
	tags->validMarker1 = 0x55555555;
}

int yaffs_ValidateTags(yaffs_ExtendedTags * tags)
{
	return (tags->validMarker0 == 0xAAAAAAAA &&
		tags->validMarker1 == 0x55555555);

}