[PATCH 0/1] Support multiple identical genfscon

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secilc has a multiple_decls option to allow for multiple type
declarations.
The next step is to allow multiple samples of the same rules.
This commit does this on genfscon

One usecase is Android/Project Treble:
With Project Treble, vendor might include rules included in later
in framework.
In order to be able to update the framework in this case, we need
to remove identical rules.

I have several pending questions before considering merging:

Should the "compact" function be somewhere else? Or perhaps there is already
some variant available?
Should the "compact" function simply take a cil_sort rather than a C array?
Should we compact all types indifferently?
If so, we need to guarantee that the _compare function returns 0 only when the
types rules are identical, and not just the same match rule. Is this already
the case?
How is memory allocation done/will compact impact the release of the memory?
In my understanding this is just one big chunk, so the size isn't used when
free-ing, so it should be ok


Pierre-Hugues Husson (1):
  Delete identical genfscon-s

 libsepol/cil/src/cil_post.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

-- 
2.15.1





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