Review Request: Don't hang when determining MIME type of corrupted files

[Peter Penz]

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Review request for kdelibs and David Faure.


Summary
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If KMimeTypeRepository::findFromContent() tries to determine MIME from a file that cannot be read, such as on a corrupted optical disc, a read attempt is made in KMimeMagicMatch::match() for every available rule, resulting in UI hangs (e.g. file dialogs, dolphin) for tens of minutes (see https://bugs.kde.org/show_bug.cgi?id=280446 for more details).

I've submitted this patch here on behalf of Miroslav ?os, who has submitted the bug-report and also has written the patch.


This addresses bug 280446.
    http://bugs.kde.org/show_bug.cgi?id=280446


Diffs
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  kdecore/services/kmimetype.cpp 955bf62 
  kdecore/services/kmimetyperepository.cpp 6ff3d16 

Diff: http://git.reviewboard.kde.org/r/102391/diff


Testing
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Thanks,

Peter

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