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FILE_ALLOCATED_RANGE_BUFFER structure

Indicates a range of bytes in a file. This structure is used with the FSCTL_QUERY_ALLOCATED_RANGES control code. On input, the structure indicates the range of the file to search. On output, the operation retrieves an array of FILE_ALLOCATED_RANGE_BUFFER structures to indicate the allocated ranges within the search range.

Syntax

C++
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typedef struct _FILE_ALLOCATED_RANGE_BUFFER {
  LARGE_INTEGER FileOffset;
  LARGE_INTEGER Length;
} FILE_ALLOCATED_RANGE_BUFFER, *PFILE_ALLOCATED_RANGE_BUFFER;

Members

FileOffset

The file offset of the start of a range of bytes in a file, in bytes.

Length

The size of the range, in bytes.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header
WinIoCtl.h (include Windows.h)

See also

FSCTL_QUERY_ALLOCATED_RANGES
Sparse Files

 

 

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Build date: 4/16/2013

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