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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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On Windows, long is a 32 bit integer, so we cannot check if the long
value is greater than UINT32_MAX. Instead, check if strtol sets errno.
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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We do not allow hard links to directories, so we can toss the special
case handling code for that. The visited mechanism was pointless
anyway, because we don't even descend down hard links in the recursive
tree handling functions.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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For some reason, the recursive hardlink resolution ended up in post
process, calling into the non recrusive one in hardlink.c that wasn't
used elsewhere.
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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The idea of the block align feature was to allow micro-managing that
some files are forcefully aligned to 1k/4k ("device block") boundaries,
hoping to improve access time at the cost of data density. The feature
was not exposed in the tools for a long time and eventuall added to the
sort file. Measurement and experimentation showed, that it in fact
worsened the read performance on a test system with an old micro SD
card as the bottle neck.
The feature is removed, and if needed, can be brought back simply by
wrapping/sub-classing the default block writer, if need be..
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This basically re-uses the libxfrm pack/unpack tests, but runs
the data through a stream wrapper.
When de-compressing, we have a ridiculously tiny input buffer,
to force the wrapper to snort up the data in several attempts
until the it can decompress something. We read the data byte-by-byte
to force the wraper to internally cache the uncompressed data and
spoon feed it to us. It has to be completely transparent to us that
it internaly decompresses and also reads transparently across
concatenated streams.
When compressing, we only require that the output is smaller than
the input and not equal to it. We also require the wrapper to flush
the wrapped stream when it is flushed. We then test if the compressed
data can be unpacked again.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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We were previously building pack for unpack and vice versa.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Having it all in one buffer allows us the re-use the "generat GNU
record" function.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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By cobbling together the xattr lines manually in libtar, the
need (and thus the function itself) are removed.
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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Generate a simple tarball and compare it with a reference.
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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In the istream implementation, automatically skip the padding when we
reach end-of-file. Also skip file AND padding when we destroy the
object. Replace the remaining instances with a simple istream_skip
instead and remove the wrapper from libtar.
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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The tar_istream_t reads the data from a tar file, having been given
the header, and synthesizes zero bytes for sparse regions.
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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Use read_number in the places that remain.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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There was some code duplication for extracting the sparse entry
fields from the start record and the subsequent extended record.
This commit introduces a data structure for both and unifies
the parsing code paths.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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- Use is_memory_zero from libutil
- Move checksum update function to tar writer code
- Move checksum verify function to tar reader code
- Only export the function to compute the checksum
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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This was originally added for the Windows port, which initially didn't
have tool support.
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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We have an "append_sparse" function in libio, with a fallback,
so use that.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Move it to a separate libxfrm library, where it can be independently
tested as well. The bulk of the new code is also mainly test cases
for the compressors.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The drop/destroy functions support passing in a NULL pointer.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Implement grab/drop functions to increase/decrease reference count
and destroy the object if the count drops to 0.
Make sure that all objects that maintain internal references actually
grab that reference, duplicate it in the copy function, drop it in
the destroy handler.
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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mksquashfs generates extended inodes if a directory contains 256
entries. libsquashfs so far only generated extended inodes if there
is no other way to encode it. Mimic the behaviour of mksquashfs by
adding a threshold.
For this to work, the "sqfs_inode_set_xattr_index" function has to
be changed to not immediately try to demote inodes to basic types.
The fstree serialization is modified to do that itself if the index
is 0xFFFFFFFF and the target is not a directory inode.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Print a proper error description instead of just an error code.
If the error is ERROR_FILE_EXISTS, print out a hint that this might
be caused by a case in-sensitivity issue.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Propperly set the parent eof flag and not a local one that isn't
accessed at all.
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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Instead of abusing the directory tree of another test case, add a
proper dummy hierarchy. This also fixes issues with parallel tests,
where another test generates squashfs images in the target path.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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- Force all tests into their proper sub directory
- Temporarily remove the corpora tests. They have been used for
regression tests before releases and are disabled by default, so
we should not ship them either. A script should be added for that,
downloading what is needed.
- The "pack a directory" test is also removed. It was rather hacky
and there already is a test case for the fstree_from_dir function,
which isn't ideal either. Something should be added to the
regression test suite.
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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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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