As a certified high-level coder with a fear for anything that smells
like pointers and bits I hesitated to post this as the answer may well
be: figure it out yourself, it's obvious ;)... but at least it's worth a
laugh to you bitpushers out there.
Have mercy ;)
Going through the dbase code, I hit
In our previous episode, Reinier Olislagers said:
> multiple bytes (apparently stored BE: the first field goes into the
> lower byte, the 8th field in the next byte).
>
>
> I have a lot of trouble with shr and shl going on. The first line
> seemingly drops the three lower bits... but why?
> ... a
On 04/12/2013 11:47 AM, Reinier Olislagers wrote:
> if (FNullField <> nil) and (Dst = nil) and (AFieldDef.NullPosition >=
> 0) then
> begin
> Src := PChar(Src) + FNullField.Offset + (AFieldDef.NullPosition shr 3);
> Result := (PByte(Src)^ and (1 shl (AFieldDef.NullPosition and $7))) = 0
