[fpc-pascal] How to free this memory and avoid memory leak

[Andrew Brunner]

>
>      Move(p, tocarray[0], SizeOf(tocarray));
> This causes an Access Violation at runtime.
>

This should not cause as RAV.  You must call
SetLength(toarray,SizeOfMemory) and also don't use SizeOf(tocarray)
use Length(tocarray)*SizeOf(What ever the element is))