JCL Help:NtfsGetAllocRangeEntry

 JCL Help: NtfsGetAllocRangeEntry Function

FilesandIO.FileSystems.NTFS

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Summary

Extracts an entry from the ranges record.

Pascal

 function NtfsGetAllocRangeEntry(const Ranges: TNtfsAllocRanges; Index: TJclAddr): TFileAllocatedRangeBuffer;

Parameters

Parameters	Description
const Ranges: TNtfsAllocRanges	The Ranges record returned from NtfsQueryAllocRanges.
Index: TJclAddr	0 based index of the entry to extract.

Return Value

The function returns the TFileAllocatedRangeBuffer at the specified Index. The index is asserted to be within range.

Description

NtfsGetAllocRangeEntry extracts an entry from the Ranges record returned from a call to NtfsQueryAllocRanges. The returned TFileAllocatedRangeBuffer record contains the following members:

• FileOffset: TLargeInteger The starting byte offset of the allocated range.
• Length: TLargeInteger The length, in bytes, of the allocated range.

See Also

NtfsSetSparse TNtfsAllocRanges NtfsQueryAllocRanges

About

Unit

JclNTFS

Donator

Marcel van Brakel

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