🚀 go-pugleaf

Jeff.Dunlop@dbsoft.gigo.com (Jeff Dunlop) wrote:

|> fdcu> Even if the realloc call returns
|> fdcu> the same address as the one passed to it no strictly
conforming program
|> fdcu> can rely on this fact or even detect it since all pointers to
the
|> fdcu> original object are indeterminate after the successful call
to realloc.
|>
|> fdcu> Even if the 2 instances of i have the same memory address
they must be
|> fdcu> regarded as distinct objects because they can never be
referenced at the
|> fdcu> same time, pointers to them can never be compared
|>
|>Why can't they be compared?

Once a pointer is freed, use of it in an expression results in
undefined behavior.

Michael M Rubenstein