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FILE_POSITION_INFORMATION structure (wdm.h)

  • Article

The FILE_POSITION_INFORMATION structure is used as an argument to routines that query or set file information.

Syntax

typedef struct _FILE_POSITION_INFORMATION {
  LARGE_INTEGER CurrentByteOffset;
} FILE_POSITION_INFORMATION, *PFILE_POSITION_INFORMATION;

Members

CurrentByteOffset

The byte offset of the current file pointer.

Remarks

FILE_READ_DATA or FILE_WRITE_DATA access to the file is required to change this information about the file, and the file must be opened for synchronous I/O.

If the file was opened or created with the FILE_NO_INTERMEDIATE_BUFFERING option, the value of CurrentByteOffset must be an integral multiple of the sector size of the underlying device.

Requirements

Requirement Value
Header wdm.h (include Wdm.h, Ntddk.h, Ntifs.h)

See also

ZwCreateFile

ZwSetInformationFile