Klocwork Quality Standard community C and C++ checker reference

List of community C and C++ checkers that focus on improving overall code quality.

Checker name	Description	Default severity	Enabled by default?	Version
CXX.ARRAY_INDEX.WITHOUT_CHECK	Array index access without check	4	False	2025.3
CXX.BSTR.LITERAL	Do not pass string literal or casted CString to COM function expecting BSTR parameter	2	False	2020.2
CXX.CWARN.DTOR.NONVIRT	Destructors should be declared as virtual	3	False	2020.2
CXX.CWARN.HARDCODED_LOOP_BOUND	Hard-coded loop used for array index	4	False	2020.2
CXX.CWARN.ITER.EXTERN	Externally declared loop iterator variables are forbidden	4	False	2020.1
CXX.CWINAPP.INIT	Incorrect or missing InitInstance override for class derived from CWinApp	2	False	2020.2
CXX.FUNC.CSTRING.FORMAT	CString cannot call CString.Format() on itself	4	False	2020.2
CXX.FUNC.MEMSET.BUILTIN	Calls to memset must not pass a reference to a structure containing non-builtin types	2	False	2020.2
CXX.FUNC.T2OLE.LOOP	Do not call T2OLE or OLE2CT within a loop	2	False	2020.1
CXX.FUNC.T2OLE.RETURN	Do not call T2OLE or OLE2CT within a return statement	2	False	2020.1
CXX.SIZEOF.CSTRING	Use of sizeof on char* may be misleading	4	False	2023.2
CXX.USE.MAGIC_NUMBER	Use of magic number	4	False	2025.2