[fpc-pascal] Hint converting to int64

[Mark Morgan Lloyd]

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

> I have replaced it by
> Entity:=Entity*10+LongWord(ord(FullParagraph[pIni]))-48;
> That is, I have casted the result of "ord()" to longword. But I get the 
> same hint.What should I do to remove the hint?

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

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