D16744: Fix crash if XDG_CACHE_HOME directory is too small or out of space

[Alexey Min]

alexeymin created this revision.
Herald added a project: Frameworks.
Herald added a subscriber: kde-frameworks-devel.
alexeymin requested review of this revision.

REVISION SUMMARY
  Incorrect checking for error return code of posix_fallocate() causes function to think that all is OK while it is not causing crash in some cases.
  The fix for 4-year bug is a simple one-liner...
  
  BUG: 400610
  CCBUG: 339829

TEST PLAN
  good test plan provided in https://bugs.kde.org/show_bug.cgi?id=400610 . Works like a charm, tested in KDE Neon dev-ustable

REPOSITORY
  R244 KCoreAddons

BRANCH
  bug400610

REVISION DETAIL
  https://phabricator.kde.org/D16744

AFFECTED FILES
  src/lib/caching/kshareddatacache_p.h

To: alexeymin
Cc: kde-frameworks-devel, michaelh, ngraham, bruns
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