D15993: [PositionCodec] Avoid crash in case of corrupt data

[Stefan Brüns]

bruns created this revision.
bruns added reviewers: Frameworks, poboiko, ngraham.
Herald added projects: Frameworks, Baloo.
Herald added subscribers: Baloo, kde-frameworks-devel.
bruns requested review of this revision.

REVISION SUMMARY
  getDifferentialVarInt* returns a nullptr in case of a decoding error.
  
  See also D11825 <https://phabricator.kde.org/D11825>.

REPOSITORY
  R293 Baloo

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D15993

AFFECTED FILES
  src/codecs/positioncodec.cpp

To: bruns, #frameworks, poboiko, ngraham
Cc: kde-frameworks-devel, #baloo, ashaposhnikov, michaelh, astippich, spoorun, ngraham, bruns, abrahams
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