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fs/ntfs/types.h 2.04 KB
1da177e4c   Linus Torvalds   Linux-2.6.12-rc2
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  /*
   * types.h - Defines for NTFS Linux kernel driver specific types.
   *	     Part of the Linux-NTFS project.
   *
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   * Copyright (c) 2001-2005 Anton Altaparmakov
1da177e4c   Linus Torvalds   Linux-2.6.12-rc2
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   *
   * This program/include file 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/include file 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 (in the main directory of the Linux-NTFS
   * distribution in the file COPYING); if not, write to the Free Software
   * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  #ifndef _LINUX_NTFS_TYPES_H
  #define _LINUX_NTFS_TYPES_H
  
  #include <linux/types.h>
  
  typedef __le16 le16;
  typedef __le32 le32;
  typedef __le64 le64;
  typedef __u16 __bitwise sle16;
  typedef __u32 __bitwise sle32;
  typedef __u64 __bitwise sle64;
  
  /* 2-byte Unicode character type. */
  typedef le16 ntfschar;
  #define UCHAR_T_SIZE_BITS 1
  
  /*
   * Clusters are signed 64-bit values on NTFS volumes. We define two types, LCN
   * and VCN, to allow for type checking and better code readability.
   */
  typedef s64 VCN;
  typedef sle64 leVCN;
  typedef s64 LCN;
  typedef sle64 leLCN;
  
  /*
   * The NTFS journal $LogFile uses log sequence numbers which are signed 64-bit
   * values.  We define our own type LSN, to allow for type checking and better
   * code readability.
   */
  typedef s64 LSN;
  typedef sle64 leLSN;
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  /*
   * The NTFS transaction log $UsnJrnl uses usn which are signed 64-bit values.
   * We define our own type USN, to allow for type checking and better code
   * readability.
   */
  typedef s64 USN;
  typedef sle64 leUSN;
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  typedef enum {
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  	CASE_SENSITIVE = 0,
  	IGNORE_CASE = 1,
  } IGNORE_CASE_BOOL;
  
  #endif /* _LINUX_NTFS_TYPES_H */