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path: root/difftool/sqfsdiff.c
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2020-04-27Cleanup directory structure of the binary programsDavid Oberhollenzer
Instead of having the binary programs in randomly named subdirectories, move all of them to a "bin" subdirectory, similar to the utility libraries that have subdirectories within "lib" and give the subdirectories the propper names (e.g. have gensquashfs source in a directory *actually* named "gensquashfs"). Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-03-05Get rid of sqfs_compressor_existsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-03-05Change the signature of sqfs_compressor_create to return an error codeDavid Oberhollenzer
Make sure the function has a way of telling the caller *why* it failed. This way, the function can convey whether it had an internal error, an allocation failure, whether the arguments are totaly nonsensical, or simply that the compressor *or specific configuration* is not supported. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-02-12Implement a more explicit object systemDavid Oberhollenzer
Make every dynamically allocated, opaque data structure inherit from a common sqfs_object_t structure with common entry points (e.g. destroy). This removes tons of public API functions and replaces them with a simple sqfs_destroy instead. If semantics of the (until now implicit) object system need to be extended, it can be much more conveniantely done this way. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-01-20Add a flag field to the id table create functionDavid Oberhollenzer
Just to be safe in case there needs to be an extension in the future. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-24Fix: Move LZO compressor from libsquashfs to libcommonDavid Oberhollenzer
The liblzo2 library is licensed under GPLv2, so it is not possible to distribute binaries of libsquashfs that link against liblzo2 under LGPL. This commit moves the LZO compressor implementation to libcommon, where this isn't a problem, since the tools themselves are licensed under GPLv3. It removes the ability of libsquashfs to read or generate LZO compressed SquashFS images, but the tools still can. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-10-06Improve error reporting for sqfs2tar, rdsquashfs, sqfsdiffDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-28Fix null-pointer deref in sqfsdiff initialization error pathDavid Oberhollenzer
If creating a dir reader fails, don't try to clean it up afterwards. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-20Add sqfs_ prefix to data_reader_t & functionsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-20Split data reader constructor and fragment table loadingDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-20Remove sqfs reader & fstree usage from sqfsdiffDavid Oberhollenzer
Replace with direct usage of the dir reader and lower level data structures. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-20sqfsdiff: remove squashfs-to-dir & dir-to-dir comparisonsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-20Remove xattr restore & rest of rdtree flagsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-21Fix timestamp comparison for directory sourceDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-21Fix usage of EXIT_* constants in sqfsdiffDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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>
2019-08-21Merge 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>
2019-08-09Add option to sqfsdiff to extract regular files that are differentDavid 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>
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