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path: root/mkfs/options.c
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2020-01-06Cleanup: use parse_size function to parse compressor optionsDavid Oberhollenzer
The XZ option parser had a similar function to parse_size. This commit removes the other implementation and extends parse_size with the one missing feature, i.e. allowing a '%' suffix for a relative value. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-01-02Support parsing [device] block size argument with SI suffixDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-12-22Add hard link support to gensquashfs and tar2sqfsDavid Oberhollenzer
In libtar, set a special flag if the header is actually a hard link. In tar2sqfs, create a hard link node and skip the rest for hard links. Also refues to set the root attributes from a hard link, it may refere to a node that we have missed earlier, there is nothing else that we can do here. In fstree_from_file, add a "link" command for adding hard links. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-12-19Fix spelling mistakes found by lintianBenjamin Drung
Signed-off-by: Benjamin Drung <benjamin.drung@cloud.ionos.com>
2019-12-13Add --no-tail-packing option to gensquashfs, tar2sqfsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-28Cleanup: Return combined return value from compressor id by nameDavid Oberhollenzer
Instead of returning the ID through a pointer and an error code as return status, return a single int that could be a compressor ID (positive values) or an error code (negative values). 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>
2019-11-06Cleanup: remove BSD style __prognameDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-10-05Merge all the common code for generating imagesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-10Make the thread pool queue backlog user configurableDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-08Replace direct file I/O with abstraction layerDavid Oberhollenzer
This should make it easier to use libsquashfs with custom setups that embedd a squashfs image inside something else. Also, it should make it easier to port to non unix-like platforms. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-05Cleanup naming scheme of compressorDavid Oberhollenzer
Add sqfs_* prefix to compressor, move implementation prefix up front. 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>
2019-08-11cleanup: 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>
2019-07-30Add propper copyright headers to all source filesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-25cleanup: remove some redundant header inclusionsDavid Oberhollenzer
The utility programs pretty much all have the same structure of including one central header per C file that includes all required library headers, so we can simply include config.h which we need for large file support from there and remove it from the C files. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-24Enable largefile supportMatt Turner
Requires that config.h be included before other headers, since the macro _FILE_OFFSET_BITS changes the definitions of things like 'struct stat'. I chose to simply include it at the top of every C file and at immediately after the double-inclusion guards of every header. Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-22Add a way to optionally keep the original time stampsDavid Oberhollenzer
First of all, this commit adds a mod_time field to a tree node. When creating the tree node, the field is set from the struct stat. When scanning a directory, the time stamps from the input are used if set. Second, the libsqfs code that reads inodes is modified to store the mod_time from the inode in the fstree node and to write the tree node into a generated inode. Finally, tar2sqfs is modified to optionally keep the timestamps from the tar archive instead of setting defaults. gensquashfs is similarly modified to keep the input timestamps if specified. The result is as follows: - sqfs2tar will always carry the timestamps from the squashfs over to the tar ball. - tar2sqfs will set defaults, unless explicitly asked to preserve the mtime from the tar ball. - gensquashfs can optionally preserve the mtime from the input hierarchy it processes if only --pack-dir is specified. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-21Implement generating an inode table for NFS exportDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-17fstree: add support for spaces in filenamesDavid Oberhollenzer
This commit adds a mechanism to fstree_from_file to support filenames with spaces in them by quoting the entire string. Quote marks can still be used inside file names by escaping them with a backslash. Back slashes (if that is your thing) can also be escaped. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-07Fix: always initialize gensquashfs defaults optionDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23gensquashfs: Remove rest of read_number from options parserDavid Oberhollenzer
Use a simple strtol for block size and device block size: - We don't need to check the block size, sqfs_super_init does that. - We only need to make sure the device block size is at least 1k. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23Move fstree default option processing to fstree codeDavid Oberhollenzer
Instead of decomposing a default string in gensquashfs option processing, move that to fstree_init instead and pass the option string directly to fstree_init. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23Move all handling of compressor names to libcompress.aDavid Oberhollenzer
This commit removes handling of compressor names from gensquashfs. Instead, functions are added to libcompress to obtain name from ID, ID from name and to print out defaults. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23gensquashfs: remove command line number parsing codeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23gensquashfs: Fix typo in help textDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-11Cleanup dependency handlingDavid Oberhollenzer
Always try to gather all compressor libraries available, but only complain about missing a one if it has been *explicitly* selected. If a compressor has been explicityl disabled, we can still turn it off after checking. Also, rework gensquashfs to set the default compressor based on what's available. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-11cleanup: mkfs: remove redundant header inclusionsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-11cleanup: remove rest of sqfs_info_tDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-31Update documentationDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-31gensquashfs: allow combining packdir and packfileDavid Oberhollenzer
If packdir and packfile are both specified, use packdir as alternate root. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-26gensquashfs: add option to simply pack an input directoryDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-25gensquashfs: Make '-X help' work without specifying input/output filesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-21Add command line flag for compressor options, pass them to compressorsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-19Add SELinux option to gensquashfsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-05Print out what we are doing on the way and options to keep quietDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-04Rename tools to not collide with squashfs-toolsDavid Oberhollenzer
This commit changes the names of the tools to gensquashfs and rdsquashfs so they don't collide with the names used by the squashfs-tools package and the two can be installed side by side. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-04Remove compressor internal buffersDavid Oberhollenzer
Pass in an external destination buffer + size and allow for propper bounds checking (especially when unpacking). Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-03unsquashfs: add argument processing, file listing parameterDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-02mksquashfs: merge headersDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-02Add meta data writerDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-02Add compressor libraryDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-04-30Initial commitDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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