Wireshark · Wireshark-dev: Re: [Wireshark-dev] [PATCH][UPDATE] ptvcursor : one step further?

[Guy Harris <guy@xxxxxxxxxxxx>]

Sebastien Tandel wrote:

> I've taking a look at emem.c and it clearly doesn't attach information
> about the chunk of memory being allocated. Then ep_realloc may only be
> the "allocate new, copy" solution.

Without that information, how do you know how much to copy (if you don't 
pass the old size explicitly, which would give it a different API from 
other realloc routines)?