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kdeui/widgets/klineedit.cpp (Diff revision 1) 
void KLineEdit::setSqueezedText()
614 
             } while (squeezedWidth < labelWidth);
 615 
             } while (squeezedWidth < labelWidth && letters < fullLength);
 
This could even be fullLength/2 given that the code uses left(letters) and right(letters). After half, we'll get redundant characters.

- David Faure


On December 17th, 2013, 3:15 p.m. UTC, Axel Arnold wrote:

Review request for kdelibs.
By Axel Arnold.

Updated Dec. 17, 2013, 3:15 p.m.

Bugs: 328263
Repository: kdelibs

Description 

If KLineEdit has squeezed text enabled, but the widget has still zero width, KLineEdit::setSqueezedText() can go into an endless loop trying to remove more than all letters from the string. This patch fixes both this underrun and the corresponding possible overrun if the squeezed text is too small. The underrun is responsible for endless loops in digikam, see the corresponding bug report.

Diffs

  • kdeui/widgets/klineedit.cpp (2193ef2969d49ad602e66da7776feda4b7595b13)

View Diff