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{$S+}
{ Program to check that an infinite recursion
does generate a RTE ... }
{$R-}
{ make that recursion really infinite
needs that range check is disabled }
const
level : longint = 0;
function inf_rec(x : longint) : longint;
begin
inc(level);
inf_rec:=x+inf_rec(x-1);
end;
const
saveexit : pointer = nil;
x : longint = 0;
{$S-}
{ the stack overflowed already so don't do much here and depend on stack_margin }
procedure stack_check_exit;
begin
exitproc:=saveexit;
if errorcode<>0 then
begin
Writeln('An error occured at level ',level);
if errorcode=202 then
begin
Writeln('Stack overflow correctly handled');
erroraddr:=nil;
errorcode:=0;
exitcode:=0;
end
else if errorcode=216 then
begin
Writeln('RTL returns an RTE 216 on stack overflow');
Writeln('Not perfect, but acceptable');
erroraddr:=nil;
errorcode:=0;
exitcode:=0;
end;
end
else
begin
exitcode:=1;
errorcode:=1;
end;
exitproc:=saveexit;
end;
begin
saveexit:=exitproc;
exitproc:=@stack_check_exit;
x:=inf_rec(5000);
end.
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