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2019-08-21Make unified dir to sqfs comparison workDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-21Isolate sqfsdiff global state and split off option processingDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-21Rename difftool.h to sqfsdiff.hDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-21Consistently use old/new nomenclature in sqfsdiffDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-21Cleanup difftool dir entry comparionDavid Oberhollenzer
- Replace a/b nomenclature with old/new - Remove special case handling that isn't needed Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-21Merge functionality of file on disk and file in sqfs compare functionsDavid Oberhollenzer
Moving towards unified sqfs vs sqfs, sqfs vs dir, dir vs sqfs comparisions. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-20Change CLI of sqfsdiff to specify images through long optionsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-20Remove fscompare programDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-20Add explicit padding to tree_node_tDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-20Add simple test case for block processor orderingDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-19Fix packer statisticsDavid Oberhollenzer
Needs regenerating of the file list that was ripped up and rearranged during file packing. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-19Fix file list generation: break any pre-existing connectionDavid Oberhollenzer
If the linked list pointer was already used before, break up the connection so we don't risk running into a loop or something when regenerating the list. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-19Make using pthread optionalDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-19Fix chmod of symlinks in restore_fstreeDavid Oberhollenzer
We can't change the mod of symlinks and hence AT_SYMLINK_NOFOLLOW is not supported by chmod(2 -> RTFM!). The solution is to not use that flag and simply skip symlinks. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-19Fix directory traversal in update_tree_attribsDavid Oberhollenzer
Do not try to change the nameless root node which is mapped to the output directory. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-19Update rdsquashfs man pageDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-19Add rdsquashfs flag to restore file timestampsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-19Minor improvements for parallel block processorDavid Oberhollenzer
- Fewer lock aquires in worker function - There is no point in locking/unlocking for inserting the completed block if we are going to lock again immediately in the next iteration -> Merge those two critical sections into one - Constant time queue insertion - Bypass queue entirely if there is nothing to do for a block Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-19Fix memory leak in data writer fragment deduplicationDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-19Fix memory leak in data writer error code pathsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-19Fix memory leak in dir-scan error code pathDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-18Replace update_crc32 helper function with crc32 from zlibDavid Oberhollenzer
It is optimized to the maximum and if we already use zlib anyway, why not use zlib crc32? This also makes zlib a hard dependency which also means the whole "do we have a compressor" sanity check in the build system can be removed. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-18Make data writer use block processorDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-18Restructure data writer around passing block_t structuresDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-18Minor interface change to data writerDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-18cleanup: internalize deduplication list in data_writerDavid Oberhollenzer
This change removes the need for passing a list of files around for deduplication. Also the deduplication code no longer needs to worry about order, since the file being deduplicated is only added after deduplication is done. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-18Add pthread based, parallel block processor implementationDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-18Add block processor data structureDavid Oberhollenzer
The interface is designed for parallel, asynchronuous processing of data blocks with an I/O callback that handles the serialized result. The underlying implementation is currently still synchronuous. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-16Add deep-copy function to compressor interfaceDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-16Import ax_pthread.m4David Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-16Fix: don't try to read xattrs if there are noneDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-12Fix name prefix of ax_compile_check_sizeof.m4David Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-11cleanup: zero-initialize gensquashfs options with memsetDavid Oberhollenzer
Manual initialization is not only verbose, it actually caused a bug in a past version. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-11cleanup: replace gensquashfs bool options for dir scan with flagsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-11Add gensquashfs option to read xattrs from input filesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-11Fix wrong argument type for gensquashfs --keep-timeDavid Oberhollenzer
Copy paste mistake: the propper type should be no_argument as it is only a simple flag and doesn't take extra arguments. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-11Split gensquashfs help string because it got too longDavid Oberhollenzer
There is an upper limit of characters in a string literal that it managed to cross. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-11Add --one-file-system option to gensquashfsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-11Replace fstree_from_dir boolean with flag fieldDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-09Add option to sqfsdiff to extract regular files that are differentDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-07Fix resource leak in error branch for fscompare compare_filesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-07Add documentation for sqfsdiffDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-07Add flag to sqfsdiff to compare the fields in the super blockDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-07Add flag to sqfsdiff to compare inode numbersDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-07Add flag to difftool to also compare time stampsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-07Add flag to sqfsdiff to skip comparing filesystem contentsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-07Extend filesystem diff utility to work on squashfs imagesDavid Oberhollenzer
Since it already works on an fstree_t instance (constructed from the input paths), and we now have a handy sqfs_reader_t, it is quite simple to extend. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-07Add a helper utility to compare filesystem treesDavid Oberhollenzer
The intended use case is to compare two mounted or unpacke squashfs images, so a repacked test image can be compared against its original or an image unpacked with unsquashfs can be compared with an image unpacked by rdsquashfs or sqfs2tar. Since the tool is only intended to aid development (specifically automated testing), it is not installed by `make install`. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-07Add pread(2) like function to data_readerDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-07Fix forward seek when unpacking sparse filesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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