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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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If the super block has the no-xattr-flag NOT SET, try to read the
extended attributes.
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 don't have "endian.h" everywhere. On some BSDs its in sys and
on some BSDs the macros have different names.
- We definitely don't have sysmacros.h on non-Unix-like systems.
- Likewise for sys/types.h, sys/stat.h and their contents.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This is a fully automated search and replace, i.e. I ran this:
git grep -l uint8_t | xargs sed -i 's/uint8_t/sqfs_u8/g'
git grep -l uint16_t | xargs sed -i 's/uint16_t/sqfs_u16/g'
git grep -l uint32_t | xargs sed -i 's/uint32_t/sqfs_u32/g'
git grep -l uint64_t | xargs sed -i 's/uint64_t/sqfs_u64/g'
git grep -l int8_t | xargs sed -i 's/int8_t/sqfs_s8/g'
git grep -l int16_t | xargs sed -i 's/int16_t/sqfs_s16/g'
git grep -l int32_t | xargs sed -i 's/int32_t/sqfs_s32/g'
git grep -l int64_t | xargs sed -i 's/int64_t/sqfs_s64/g'
and than added the appropriate definitions to sqfs/predef.h
The whole point being better compatibillity with platforms that may
not have an stdint.h with the propper definitions.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Now that dir_info_t and file_info_t have reasonably small, use them in
tree_node_t directly instead of doing pointer arithmetic magic on the
payload 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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- The write_data_from_file function no longer needs the block size
- Also remove the old data writer flags, pass the flags argument
directly to the begin-file function.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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- Move the statstics hooks to the rest of the statistics code
- Used the new data writer directly in gensquashfs & tar2sqfs
- Demote what is left to a helper function for processing an
input file and submitting it to the new data writer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This only exists for tar2sqfs. Move the sparse file map to libtar
and add the ability to do this into the stind sqfs_file_t abstraction,
so it acts like a normal file but internally stitches the data
together from the sparse implementation.
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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Changes are minor, but needs some temporary hacks in fstree again.
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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- file list is no longer needed for statistics
- the size field in the directory info structure is no longer in use
- sqfs2tar, rdsquashfs and sqfsdiff no longer depend on libfstree.a
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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This commit adds two new functions for getting a file block by index,
or a files fragment. The data_reader_dump function is rewritten in
terms of those two functions and moved to a seperate file.
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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Add another helper function for getting a blocks from a condensed sparse
file, then rewrite the data writer to use that instead, using an
sqfs_file_t pointer instead of direct file i/o.
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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First, this commit moves the create-blocks-from-fd function over to
libsquashfs and ports it to work on an sqfs_file_t instead.
Second, the function in the data_writer that reads from a file descriptor
is adjusted to use an sqfs_file_t instead.
Finally, the tools that use it have to be adjusted accordingly.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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As a side effect, this requires the data writer to keep track of
statistics.
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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Much simpler to just set the correct size in the end, before writing
the super block.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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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>
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Add sqfs_* prefix to compressor, move implementation prefix up front.
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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As an opaque struct it has a chance to change its layout in the future
without breaking ABI compatibiliy.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This commit moves stuff like printing help text, command line option
processing and enumerating available processors on stdout out of
the generic compressor code.
The option string is replaced with a structure that directly exposese
the tweakable parameters for all compressors. A function for parsing
the command line arguments into this structure is added in sqfshelper.
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 of course entails turning the entire project over to libtool magic.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The idea is to make libsquashfs.a independend of libfstree.a, so it becomes
a general purpose squashfs manipulation library. All the high level glue code
for libfstree.a and utilites that are overly specific with to tools are moved
to a seperate librarby.
This commit makes the first step by moving the stuff with dependencies on
libfstree to a seperate library.
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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This commit exchanges some malloc(x + y * z) patterns that can be found
with a simple git grep and are obvious for the new wrappers.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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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>
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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 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>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This commit creates a new data structure called 'sqfs_reader_t' that
takes care of all the repetetive tasks like opening the file, reading
the super block, creating the compressor, deserializing an fstree and
creating a data reader.
This in turn makes it possible to remove all the duplicate code from
rdsquashfs and sqfs2tar.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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If -DNDEBUG is set, the entire thing is omitted from the output.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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