Re: [Cppcms-users] memory

[Marcel H. <ke...@co...>]

On 13.11.2015 04:18, mawan sugiyanto wrote:
> void users::loadimage(std::string sid){
> int width, height;
stack, stack
> Image image("../profile_images/default.png");
stack
> Geometry gtx(200,200);
stack
> Blob b;
stack

Everything is allocated on the stack, as long as you don't allocate it
via new (or {c,a}malloc)
> is image variable allocated on stack or in new memory?
it is called heap, not new memory.
> and i can not delete image variable like unset variable?
All your variables will be deleted, when the programm flow "reaches"
that last } .
Your only way to force to unset a variable is to begin a new scope

> void foo() {
>     int f;
>     {
>         int g = 3;
>         f = g;
>     }
>     return f;
> }

g is only valid in the scope it was declared in. You cannot reach it,
outside of the scope.

Greetings