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Statistics of ABI breaks in C/C++ libraries

Total libraries704
C/C++ language70.5% / 29.5%
Total versions18564
Total problems64727
Kind of ChangesSeverityCountPercentage
Removing functions from the libraryHigh2754642.56%
Changing virtual table structureHigh8001.24%
Changing the number or order of parametersMedium13322.06%
Changing type of a parameterdestructive*Medium1003815.51%
Changing type of return valuedestructiveMedium12321.90%
Adding/removing “static” specifier of a methodMedium150.02%
Changing Values in Enumeration Types or MacrosLow687310.62%
Overriding Virtual FunctionsLow8341.29%
* changes that affect the size or internal structure of a type.

Generated on Wed Dec 3 22:05:02 2014 by Upstream Tracker 1.4  
ROSA Laboratory