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Statistics of ABI breaks in C/C++ libraries

Total libraries687
C/C++ language70.2% / 29.8%
Total versions17991
Total problems63979
Kind of ChangesSeverityCountPercentage
Removing functions from the libraryHigh2738242.80%
Changing virtual table structureHigh7841.23%
Changing the number or order of parametersMedium13122.05%
Changing type of a parameterdestructive*Medium996715.58%
Changing type of return valuedestructiveMedium12211.91%
Adding/removing “static” specifier of a methodMedium150.02%
Changing Values in Enumeration Types or MacrosLow660710.33%
Overriding Virtual FunctionsLow8341.30%
* changes that affect the size or internal structure of a type.

Generated on Fri Aug 22 22:05:01 2014 by Upstream Tracker 1.4  
ROSA Laboratory