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Re: [Libcdio-devel] [RFC/PATCH] add multi extent ISO9660 file support to
Re: [Libcdio-devel] [RFC/PATCH] add multi extent ISO9660 file support to libcdio
Wed, 6 Jun 2018 22:23:21 +0100
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On 2018.06.06 19:13, Thomas Schmitt wrote:
- I'm not entirely sure that the sector size array is entirely necessary
The specs say that extents of the same file must be neighbors and in sequence.
But they do not outrule that an extent's size is not aligned to block size.
So there could be invalid bytes between extents.
Thanks for the clarification. I don't think having the sector size array
hurts us much anyway, so if the specs allow for different sector sizes,
we might as well handle it.
Then you will see on a filesystem that can store sparse files (here ext4):
That's a bit of a cheat... ;)
I looked into sparse files for NTFS, but that needs to be explicitly
enabled with an Windows specific attribute during file creation, and I
think people who are compiling libcdio on file systems that don't have
sparse support will not be too happy if they have to create a 4GB file,
especially if their file system is slow.
One option I see however would be to have a second level of tests, that
could be invoked separately (e.g. 'make extra-test') and with a big
warning alerting whoever runs them that they are likely to be disk or