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path: root/lib/comp/compressor.c
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2019-07-16cleanup: move error handling into write_retryDavid Oberhollenzer
If write_retry fails to write everything, it is *always* an error. This commit renames write_retry to write_data and moves error handling into the function, making a lot of error handling code redundant. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-04Fix: possible out of bounds read in libcompress.aDavid Oberhollenzer
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>
2019-06-11Cleanup 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>
2019-05-21Add command line flag for compressor options, pass them to compressorsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-19Add ZSTD compressor implementationDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-06Add lz4 compressor implementationDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-06Add LZO compressor implementationDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-04Rename lzma compressor to xz, zlib compressor to gzipDavid Oberhollenzer
Stick to the terminology that SquashFS uses. SquashFS uses "lzma" to refere to lzma1, "xz" to refere to lzma2 and confusingly "gzip" to refere to raw zlib deflate. We can avoid a lot of confusion by _consistently_ using the same terminology. 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>