Re: Getting memory size

On Thu,  1 May 2008 13:11:49 CST, Nimish <nimish.bhargava@[EMAIL PROTECTED]
>
wrote in comp.lang.c++.moderated:

> Hi all
> 
> How can I find the size of memory allocated to the pointer.
> For eg.

By remembering it, and passing it along as necessary.

Add:

const size_t ARRAY_SIZE = 100;

> int main()
> {
>              int b[ARRAY_SIZE];
>              int *a = b;
>              ....
>              ....
>              return 0;
> }
> 
> In this function I want to get size of memory allocated to "a"
> pointer.

The size of the memory allocated to 'a' is now merely ARRAY_SIZE *
sizeof(int).

> How can this be done.

But it would be better to use a std::vector, since it keeps track of
the size for you.

-- 
Jack Klein
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