[fpc-pascal] How to get the offset of a record

[Jonas Maebe]

On 30 Apr 2011, at 14:30, Rainer Stratmann wrote:

> In Turbopascal it was possible with offs()
> 
> type
> rectype = record
>  var1 : longint;
>  var2 : longint;
>  var3 : boolean;
> end;
> 
> var
> o : longint;
> recvar : rectype;
> 
> o := offs( recvar.var1 );  // --> 0

That's incorrect. In TP, Ofs(recvar.var1) (with one "f") returns the offset in the segment that contains the "recvar" variable. It does not return the relative offset of the field inside the record type.


Jonas