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2020-02-22Make hard link detection scale betterDavid Oberhollenzer
Instead of doing a linear search, which scales quadratically, use a red-black tree with inode numbers as key for finding hard links. To reiterate: we can't just use a flat table, because the SquashFS file is potentially untrusted and the inode numbers can be anything, no matter what the super block says. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-02-15Add a "sequence error" to libsquashfs error codesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-11-24Cleanup libsquashfs invalid argument error codesDavid Oberhollenzer
- Add an explicit "you're holding it wrong" error code. - Consistently return error codes and not have some special places where -1 is returned. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-10-07Rename libsqfshelper to libcommonDavid Oberhollenzer
That is IMO less confusing and express what it is (i.e. what it has become) more clearly, i.e. common code shared by the utilities. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>