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Reading HFS Standard Block0 on USB thumb drives
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Reading HFS Standard Block0 on USB thumb drives


  • Subject: Reading HFS Standard Block0 on USB thumb drives
  • From: Mike <email@hidden>
  • Date: Fri, 13 Jan 2012 19:39:58 -0700

Hi,

I am trying to read a Block0 driver descriptor map from old-style Apple Partition Map formatted USB thumb drives which were formatted using Mac OS Standard (HFS) on OS 9. I am using Xcode 4.2 on 10.6.8.

But when I do the read the entire Block0 structure comes back filled with zeros. I've checked my device open and seek calls and they correctly set to byte offset 0 on the device.

Any idea why this is happening?

Thanks,
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