E2591 Only cdecl functions may use varargs (Object Pascal)

From Appmethod Topics
Jump to: navigation, search

Go Up to Error and Warning Messages (Object Pascal) Index


This error occurs whenever the varargs directive is used with non-cdecl functions.

function test(): Integer; varargs;
begin

end;

To fix this error, you need to declare your function with the external and cdecl directives:

function test(): Integer; varargs; cdecl; external 'externalLibrary.dll'; //This imports functions from a dynamically loadable library.
begin

end.

Note: This only occurs by compiling with the Object Pascal Mobile Compilers (dccios32 or dcciosarm). Otherwise, the code produces E2277 Only external cdecl functions may use varargs (Object Pascal).

See Also