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file.h
Package: shell.rar　[view]
Upload User: xhy777
Upload Date: 2007-02-14
Package Size: 24088k
Code Size: 3k
Category:

Windows Kernel

Development Platform:

Visual C++

file.h：Code Content
  1. /*
  2.  * file.h - File routines module description.
  3.  */
  6. /* Constants
  7.  ************/
  9. /*
  10.  * maximum length of unique name created by MakeUniqueName(), including null
  11.  * terminator
  12.  */
  14. #define MAX_UNIQUE_NAME_LEN            (8 + 1 + 3 + 1)
  16. /* file-related flag combinations */
  18. #define ALL_FILE_ACCESS_FLAGS          (GENERIC_READ |
  19.                                         GENERIC_WRITE)
  21. #define ALL_FILE_SHARING_FLAGS         (FILE_SHARE_READ |
  22.                                         FILE_SHARE_WRITE)
  24. #ifdef WINNT
  25. #define ALL_FILE_ATTRIBUTES            (FILE_ATTRIBUTE_READONLY |
  26.                                             FILE_ATTRIBUTE_HIDDEN |
  27.                                             FILE_ATTRIBUTE_SYSTEM |
  28.                                             FILE_ATTRIBUTE_DIRECTORY |
  29.                                             FILE_ATTRIBUTE_ARCHIVE |
  30.                                             FILE_ATTRIBUTE_NORMAL |
  31.                                             FILE_ATTRIBUTE_TEMPORARY)
  32. #else
  33. #define ALL_FILE_ATTRIBUTES            (FILE_ATTRIBUTE_READONLY |
  34.                                             FILE_ATTRIBUTE_HIDDEN |
  35.                                             FILE_ATTRIBUTE_SYSTEM |
  36.                                             FILE_ATTRIBUTE_DIRECTORY |
  37.                                             FILE_ATTRIBUTE_ARCHIVE |
  38.                                             FILE_ATTRIBUTE_NORMAL |
  39.                                             FILE_ATTRIBUTE_TEMPORARY |
  40.                                             FILE_ATTRIBUTE_ATOMIC_WRITE |
  41.                                             FILE_ATTRIBUTE_XACTION_WRITE )
  42. #endif
  45. #define ALL_FILE_FLAGS                 (FILE_FLAG_WRITE_THROUGH |
  46.                                         FILE_FLAG_OVERLAPPED |
  47.                                         FILE_FLAG_NO_BUFFERING |
  48.                                         FILE_FLAG_RANDOM_ACCESS |
  49.                                         FILE_FLAG_SEQUENTIAL_SCAN |
  50.                                         FILE_FLAG_DELETE_ON_CLOSE |
  51.                                         FILE_FLAG_BACKUP_SEMANTICS |
  52.                                         FILE_FLAG_POSIX_SEMANTICS)
  54. #define ALL_FILE_ATTRIBUTES_AND_FLAGS  (ALL_FILE_ATTRIBUTES |
  55.                                         ALL_FILE_FLAGS)
  58. /* Macros
  59.  *********/
  61. /* file attribute manipulation */
  63. #define IS_ATTR_DIR(attr)              (IS_FLAG_SET((attr), FILE_ATTRIBUTE_DIRECTORY))
  64. #define IS_ATTR_VOLUME(attr)           (IS_FLAG_SET((attr), FILE_ATTRIBUTE_VOLUME))
  67. /* Prototypes
  68.  *************/
  70. PUBLIC_CODE void BeginComp(void);
  71. PUBLIC_CODE void EndComp(void);
  72. PUBLIC_CODE TWINRESULT CompareFilesByHandle(HANDLE, HANDLE, PBOOL);
  73. PUBLIC_CODE TWINRESULT CompareFilesByName(HPATH, HPATH, PBOOL);