Undocumented functions of NTDLL

2OO1, 2O January



FILE_FS_ATTRIBUTE_INFORMATION
FILE_FS_ATTRIBUTE_INFORMATION

typedef struct _FILE_FS_ATTRIBUTE_INFORMATION {


  ULONG                   FileSystemAttributes;
  LONG                    MaximumComponentNameLength;
  ULONG                   FileSystemNameLength;
  WCHAR                   FileSystemName[1];


} FILE_FS_ATTRIBUTE_INFORMATION, *PFILE_FS_ATTRIBUTE_INFORMATION;



FILE_FS_ATTRIBUTE_INFORMATION is output buffer in a call to NtQueryVolumeInformationFile function with FileFsAttributeInformation information class.
  • FileSystemAttributes
    •     - ??? (0x1F)
  • MaximumComponentNameLength
    •     Maximum length of file name on specified device.
  • FileSystemNameLength
    •     Length of FileSystemName array, in bytes.
  • FileSystemName[1]
    •     Name of File System on specified device (ex. "NTFS").


    Documented by:
    Bo Branten
    Tomasz Nowak



    Requirements:
    Library: ntdll.lib


    See also:
    FS_INFORMATION_CLASS
    NtQueryVolumeInformationFile