CWARN.BOOLOP.INC

Attempt to increment a Boolean value

The CWARN.BOOLOP.INC checker finds attempts to increment or decrement a Boolean value.

Vulnerability and risk

Using increment or decrement operations with a Boolean true/false value has no effect.

Vulnerable code example

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  #include <iostream>
  using namespace std;
  void foo() {
    bool b = true;
    b++;
  }
  int main() { 
    foo();
    return 0;
 }

Klocwork flags the attempt to increment Boolean variable 'b' at line 5.