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{ %TARGET=win32,win64,wince,linux}
program tsafecall2;
{$mode objfpc}{$H+}
uses
Classes, SysUtils;
// On Windows, safecall should behave like a stdcall, so it can be used for COM/
// ActiveX. On Unix systems, it should be cdecl so that it could be used with
// xpcom.
function SafecallProcedureAlias(AParam1,AParam2: integer):HRESULT; {$IFDEF windows}stdcall{$ELSE}cdecl{$ENDIF}; [external name '_SAFECALLPROCEDURE'];
procedure SafecallProcedure(AParam1,AParam2: integer); safecall; [public, alias: '_SAFECALLPROCEDURE'];
begin
if (AParam1<>$123456) or (AParam2<>$654321) then
halt(1);
end;
function SafecallFunctionAlias(AParam1,AParam2: integer; out _result: string):HRESULT; {$IFDEF windows}stdcall{$ELSE}cdecl{$ENDIF}; [external name '_SAFECALLFUNCTION'];
function SafecallFunction(AParam1,AParam2: integer): string; safecall; [public, alias: '_SAFECALLFUNCTION'];
begin
if (AParam1<>$123456) or (AParam2<>$654321) then
halt(2)
else
result := 'hello';
end;
var s: string;
begin
try
// The call is in a try..finally block. This is to test if the stack is
// cleaned succesfully after the call. Without the try..finally it could
// be that the stack is corrupted, but that this does not lead to any
// detectable problems (exception)
if SafecallProcedureAlias($123456,$654321) <> 0 then
halt(11);
if SafecallFunctionAlias($123456,$654321,s) <> 0 then
halt(12);
if s<>'hello' then halt(13);
finally
writeln('Ok');
end;
end.
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