yaffs_tagsvalidity.c 772 B

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  1. /*
  2. * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
  3. *
  4. * Copyright (C) 2002-2007 Aleph One Ltd.
  5. * for Toby Churchill Ltd and Brightstar Engineering
  6. *
  7. * Created by Charles Manning <charles@aleph1.co.uk>
  8. *
  9. * This program is free software; you can redistribute it and/or modify
  10. * it under the terms of the GNU General Public License version 2 as
  11. * published by the Free Software Foundation.
  12. */
  13. #include "yaffs_tagsvalidity.h"
  14. void yaffs_InitialiseTags(yaffs_ExtendedTags * tags)
  15. {
  16. memset(tags, 0, sizeof(yaffs_ExtendedTags));
  17. tags->validMarker0 = 0xAAAAAAAA;
  18. tags->validMarker1 = 0x55555555;
  19. }
  20. int yaffs_ValidateTags(yaffs_ExtendedTags * tags)
  21. {
  22. return (tags->validMarker0 == 0xAAAAAAAA &&
  23. tags->validMarker1 == 0x55555555);
  24. }