CodeQL library for C/C++
codeql/cpp-all 0.7.2 ( changelog , source )

Predicate useOfVar

Holds if use is a non-definition use of stack variable v. This will not include accesses on the LHS of an assignment (which don’t retrieve the variable value), but will include accesses in increment/decrement operations.

Import path

import cpp
predicate useOfVar ( SemanticStackVariable v , VariableAccess use )