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Statistics of ABI breaks in C/C++ libraries

Total libraries713
C/C++ language70.3% / 29.7%
Total versions19298
Total problems68016
Kind of ChangesSeverityCountPercentage
Removing functions from the libraryHigh2972243.70%
Changing virtual table structureHigh8051.18%
Changing the number or order of parametersMedium14052.07%
Changing type of a parameterdestructive*Medium1045315.37%
Changing type of return valuedestructiveMedium13041.92%
Adding/removing “static” specifier of a methodMedium150.02%
Changing Values in Enumeration Types or MacrosLow720410.59%
Overriding Virtual FunctionsLow8371.23%
* changes that affect the size or internal structure of a type.

Created on Mon May 25 22:05:02 2015 by Upstream Tracker 1.4  
ROSA Laboratory