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23 lines
849 B
Markdown
23 lines
849 B
Markdown
# libarchive Decompression Backend
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This backend utilizes the [libarchive](https://www.libarchive.org/) library to support a wide
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variety of compression formats.
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This backend is currently only supported on the Linux platform.
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## Using
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Enabling this backend is achieved by adding the `libarchive` qmake configuration value:
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qmake CONFIG+=libarchive
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Upon success, the application can be built as normal.
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## Limitations
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* libarchive has a stream-based architecture that does not (currently) offer random access.
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In practice, this means that you can only seek forward and would have to re-open an archive
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to read an entry before the current position. This doesn't seem to have a huge performance
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hit and can be mitigated by creating properly sorted archives.
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* 7z decompression is slow (but seems to be slightly faster than unarr)
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