[fpc-devel] Just need to double check the size of Integer

[Marco van de Voort]

On 24-11-2022 14:13, J. Gareth Moreton via fpc-devel wrote:
>
> I just need to double-check something.  Under CPU16, SizeInt and 
> SizeUInt are declared as follows:
>
>   SizeInt = Integer;
>   SizeUInt = Word;
>
> Is Integer 16-bit in this case? 

Yes.

> I always thought Integer was defined as a signed 32-bit integer under 
> FreePascal. 

No. Only in objfpc/delphi modes, and system is in $mode FPC. Unit objpas 
overrides this definition and is loaded in objfpc/delphi mode.




begin
writeln(sizeof(integer));
end.

without any $mode (so $mode fpc) will write 2, even on 64-bit systems.