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The idea is to iterate over a (canonicalized) path with forward
slashes by components, i.e. file and directory names. Each name
is then looked at by iterating over components, i.e. everything
between dots.
If a component is an illegal name, like COM1 or AUX, we add an
underscore. If it contains illegal characters, like : or \, we
re-map that character into unicode private use area.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Instead of sleeping in the worker thread, busy-loop-wait on a ticket
counter to try and serialize the workers in backward order.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Similar to the hex blob decoder, we need this once for tar and
once for the filemap xattr parser.
Simply add a single, central implementation to libutil, with a
simple unit test, and then use it in both libtar and gensquashfs.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Since we need it twice (once for tar, once for the filemap xattr
parser), add a single, central implementation to libutil, add a
unit test for that implementation and then use it in both libtar
and gensquashfs.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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A cleaner separation between common code, frontend code and backend
code is made.
The "is this byte blob zero" function is moved out to libutil (with
test case and everything) with a more optimized implementation.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The thread pool enforces ordering of items during dequeue similar
to the already existing implementation in libsqfs. The idea is to
eventually pull this functionality out of the block processor and
turn it into a cleaner, separately tested module.
The thread pool is implemented as an abstract interface, so we can
have multiple implementations around, including the serial fallback
implementation which we can then *always* test, irregardless of the
compile config and run through static analysis as well.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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