types.h 2.0 KB

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  1. /*
  2. * types.h - Defines for NTFS Linux kernel driver specific types.
  3. * Part of the Linux-NTFS project.
  4. *
  5. * Copyright (c) 2001-2005 Anton Altaparmakov
  6. *
  7. * This program/include file is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License as published
  9. * by the Free Software Foundation; either version 2 of the License, or
  10. * (at your option) any later version.
  11. *
  12. * This program/include file is distributed in the hope that it will be
  13. * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  14. * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program (in the main directory of the Linux-NTFS
  19. * distribution in the file COPYING); if not, write to the Free Software
  20. * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  21. */
  22. #ifndef _LINUX_NTFS_TYPES_H
  23. #define _LINUX_NTFS_TYPES_H
  24. #include <linux/types.h>
  25. typedef __le16 le16;
  26. typedef __le32 le32;
  27. typedef __le64 le64;
  28. typedef __u16 __bitwise sle16;
  29. typedef __u32 __bitwise sle32;
  30. typedef __u64 __bitwise sle64;
  31. /* 2-byte Unicode character type. */
  32. typedef le16 ntfschar;
  33. #define UCHAR_T_SIZE_BITS 1
  34. /*
  35. * Clusters are signed 64-bit values on NTFS volumes. We define two types, LCN
  36. * and VCN, to allow for type checking and better code readability.
  37. */
  38. typedef s64 VCN;
  39. typedef sle64 leVCN;
  40. typedef s64 LCN;
  41. typedef sle64 leLCN;
  42. /*
  43. * The NTFS journal $LogFile uses log sequence numbers which are signed 64-bit
  44. * values. We define our own type LSN, to allow for type checking and better
  45. * code readability.
  46. */
  47. typedef s64 LSN;
  48. typedef sle64 leLSN;
  49. /*
  50. * The NTFS transaction log $UsnJrnl uses usn which are signed 64-bit values.
  51. * We define our own type USN, to allow for type checking and better code
  52. * readability.
  53. */
  54. typedef s64 USN;
  55. typedef sle64 leUSN;
  56. typedef enum {
  57. CASE_SENSITIVE = 0,
  58. IGNORE_CASE = 1,
  59. } IGNORE_CASE_BOOL;
  60. #endif /* _LINUX_NTFS_TYPES_H */