C26461 USE_CONST_POINTER_ARGUMENTS:

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The pointer argument '%argument%' for function '%function%' can be marked as a pointer to const (con.3).

A function with a T* argument has the potential to modify the value of the object. If that is not the intent of the function, it is better to make the pointer a const T* instead.

See also

C++ Core Guidelines con.3.

Example

struct MyStruct
{
    void MemberFn1() const;
    void MemberFn2();
};

void Function1_Helper(const MyStruct* myStruct);
void Function1(MyStruct* myStruct) // C26461, neither of the operations on myStruct would modify the pointer's value.
{
    if (!myStruct)
        return;

    myStruct->MemberFn1();      // The member function is const
    Function1_Helper(myStruct); // Function1_Helper takes a const
}

void Function2(MyStruct* myStruct)
{
    if (!myStruct)
        return;

    myStruct->MemberFn2(); // The member function is non-const, so no C26461 will be issued
}