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Statistics of ABI breaks in C/C++ libraries

Total libraries709
C/C++ language70.2% / 29.8%
Total versions19069
Total problems67771
Kind of ChangesSeverityCountPercentage
Removing functions from the libraryHigh2968743.80%
Changing virtual table structureHigh8031.18%
Changing the number or order of parametersMedium13842.04%
Changing type of a parameterdestructive*Medium1032715.24%
Changing type of return valuedestructiveMedium13071.93%
Adding/removing “static” specifier of a methodMedium150.02%
Changing Values in Enumeration Types or MacrosLow718110.60%
Overriding Virtual FunctionsLow8371.24%
* changes that affect the size or internal structure of a type.

Generated on Sun Mar 29 22:05:01 2015 by Upstream Tracker 1.4  
ROSA Laboratory