Re: [Valgrind-users] Memcheck does not report any error

[Tom H. <to...@co...>]

On 29/09/13 12:16, Damien R wrote:

> I am using valgrind 3.7.0 and with the following program, valgrind
> reports no error.
>
> #include <iostream>
>
> struct Foo
> {
>    void print()
>    {
>      std::cout << "foo" << std::endl;
>    }
> };
>
> int main()
> {
>    Foo * foo = new Foo;
>    delete foo;
>    foo->print();
>    return 0;
> }
>
> Can someone explain why valgrind does not report any error?

Yes. Nothing in the "foo->print()" call actually accesses any memory 
that was part of the object.

The body of the function doesn't access any member variables, and it's 
not a virtual function so the vtable is not read, so there is no access 
to any freed memory.

Tom

-- 
Tom Hughes (to...@co...)
http://compton.nu/