--- In [email protected], Thomas Hruska <[EMAIL PROTECTED]> wrote:
>
> Gopi Krishna Komanduri wrote:
> > Hi , I want to know 3 things.
>
> 4 things.
>
>
> > 1)In C++ , when we try to delete a this pointer , what will
happen? .
> > I tried to do it . when we call delete , desctructor for that
object
> > is called and again control returns back to member function next
line
> > and finished fine.My assumption is like , the memory for this
pointer
> > is not allocated by user , so we can't delete this. am I
correct ?
>
> Well, you can call the delete operator on *this. It frees the
memory
> associated with the object - it doesn't "free" a function (you
can't do
> that anyway). So as long as you don't use any member variables for
the
> rest of the lifetime of the function, the program will still
operate.
>
> The real question is: Why would you ever want to do that? I've
never
> had a need to do so.
>
>
> > 4) main() { printf("%d"); }; In the
> > above , the output I am getting is garbage. But what I am
thinking is
> > as printf is a function and %d is one parameter and no other
> > parameters , it will push only %d onto stack . so when it starts
> > executing , it will pop only %d and it won't get any other value
> > from stack to resolve that %d. So May I know how compiler is
giving
> > some garbage , with out stops printing?
>
> Don't do that. You are referencing stuff on the stack that is
outside
> the valid range of your program. Undefined behavior is the result.
>
> --
> Thomas Hruska
> CubicleSoft President
> Ph: 517-803-4197
>
> *NEW* VerifyMyPC 2.5
> Change tracking and management tool.
> Reduce tech. support times from 2 hours to 5 minutes.
>
> http://www.CubicleSoft.com/VerifyMyPC/
>here i am having only one suggestion for all your problems that is
the good book, so i am suggesting a book. this is from cadcim (sham
tickoo)publications.it is something like learning c++ ..........
