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* Fix integer overflow not being detected. Issue #39406

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This commit is contained in:
Michaël Van Canneyt 2021-10-17 12:44:44 +02:00
parent ee10850a57
commit 1e74c418ae
1 changed files with 7 additions and 3 deletions
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10
rtl/objpas/sysutils/sysstr.inc
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@ -960,10 +960,14 @@ begin
end;
function TryStrToInt(const s: string; out i : Longint) : boolean;
var Error : word;
var
Error : word;
li : Int64;
begin
Val(s, i, Error);
TryStrToInt:=Error=0
Val(s, li, Error);
TryStrToInt:=(Error=0) and (li<=High(Longint)) and (li>=Low(Longint));
if TryStrToInt then
i:=li;
end;
{ StrToInt converts the string S to an integer value,