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Old 07-12-2011, 12:53 PM   #1
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libarchive block size

Here ( it says that you need to provide a block size to open an archive. What does that mean, and what would be a good number to use?
Old 07-13-2011, 10:22 PM   #2
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Unless the format of the archive has a default block size (e.g. tar has 512 bytes per block) you might as well start with sysconf(_SC_PAGESIZE). It looks like a block size isn't actually required, though. That's probably just for serial devices that read only in increments of blocks, like a tape drive.
Kevin Barry
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