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Statistics of ABI breaks in C/C++ libraries

Total libraries684
C/C++ language70.3% / 29.7%
Total versions17830
Total problems63484
Kind of ChangesSeverityCountPercentage
Removing functions from the libraryHigh2737543.12%
Changing virtual table structureHigh7841.23%
Changing the number or order of parametersMedium13112.07%
Changing type of a parameterdestructive*Medium989715.59%
Changing type of return valuedestructiveMedium12131.91%
Adding/removing “static” specifier of a methodMedium150.02%
Changing Values in Enumeration Types or MacrosLow62909.91%
Overriding Virtual FunctionsLow8341.31%
* changes that affect the size or internal structure of a type.

Generated on Fri Jul 25 22:05:01 2014 by Upstream Tracker 1.4  
ROSA Laboratory