FSCTL_GET_VOLUME_BITMAP

hello everybody

I require in my program to find used and unused clusters information
of FAT32 and NTFS for windows 98,Me

I am able to get this by using FSCTL_GET_VOLUME_BITMAP for windows2000/xp

do FSCTL_GET_VOLUME_BITMAP works for windows 98/Me.

If not then how the defragmenting tools for windows 98/Me get the
information of used and unused cluster information of the drives.

i am really stuck up at this point.

do help me

santosh k

Santosh,

you wrote on Wednesday, May 18, 2005, 12:17:02:

sk> do FSCTL_GET_VOLUME_BITMAP works for windows 98/Me.

No.

sk> If not then how the defragmenting tools for windows 98/Me get the
sk> information of used and unused cluster information of the drives.

They understand the format of the FAT file system and parse it directly
to find allocated clusters. The FAT32 specs are available from MS at
http://www.microsoft.com/whdc/system/platform/firmware/fatgen.mspx

Ralf.

Windows 98/Me does not support defragmentation of the unlocked volumes.
Also it does not support any filesystems other then FAT, and the FAT layout is
well-known, so, you can write your own parser.

Maxim Shatskih, Windows DDK MVP
StorageCraft Corporation
xxxxx@storagecraft.com
http://www.storagecraft.com

----- Original Message -----
From: “santosh katvate”
To: “Windows File Systems Devs Interest List”
Sent: Wednesday, May 18, 2005 2:17 PM
Subject: [ntfsd] FSCTL_GET_VOLUME_BITMAP

hello everybody

I require in my program to find used and unused clusters information
of FAT32 and NTFS for windows 98,Me

I am able to get this by using FSCTL_GET_VOLUME_BITMAP for windows2000/xp

do FSCTL_GET_VOLUME_BITMAP works for windows 98/Me.

If not then how the defragmenting tools for windows 98/Me get the
information of used and unused cluster information of the drives.

i am really stuck up at this point.

do help me

santosh k


Questions? First check the IFS FAQ at
https://www.osronline.com/article.cfm?id=17

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