[fpc-pascal] Hint converting to int64

[Santiago A.]

El 11/09/18 a las 12:30, Mark Morgan Lloyd escribió:
> On 11/09/18 10:15, Santiago A. wrote:
>> Hello:FPC: 3.0.4 (Realease from Lazarus 1.8.4 SVN: 57972)OS: Windows7 
>> 32bits / Linux 64Bits
>> I have this code and I get a hint
>> ---------- var  Entity:Longword;FullParagraph:string; pIni:Integer; 
>> begin .... Entity:=Entity*10+ord(FullParagraph[pIni])-48; // <=== 
>> Hint .... end; -----------
>> Hint: Converting the operands to "Int64" before doing the add could 
>> prevent overflow errors.I can't see why it mentions int64, there are 
>> integer and longword variables, but no Int64 one.
>
> There is you know.
>
> https://www.freepascal.org/docs-html/current/ref/refsu4.html#x26-250003.1.1 
>


----------
var
   Entity:Longword;
   FullParagraph:string;
   pIni:Integer;
begin
   ....
   Entity:=Entity*10+ord(FullParagraph[pIni])-48; // <=== Hint
   ....
end;
  -----------
Do you mean that Entity is promoted to int64 in a 32bits system?


-- 
Saludos

Santiago A.