Alex Villacís Lasso wrote:
Here is a patch that implements my hunch. This patch fixes the problem on both my test app at bug #6638 and the tax app I try to run.
There are a lot of wrong ways to fix the particular bug you are looking at, but only one right way. If you have a doubt, then you should write a test program. Anyway, does the attached patch fix the test app for you? -- Rob Shearman diff --git a/dlls/oleaut32/typelib.c b/dlls/oleaut32/typelib.c index a12deb1..263d2c2 100644 --- a/dlls/oleaut32/typelib.c +++ b/dlls/oleaut32/typelib.c @@ -5562,11 +5562,15 @@ static HRESULT WINAPI ITypeInfo_fnInvoke } else { - VARIANTARG *missing_arg = INVBUF_GET_MISSING_ARG_ARRAY(buffer, func_desc->cParams); - V_VT(arg) = VT_VARIANT | VT_BYREF; - V_VARIANTREF(arg) = &missing_arg[i]; - V_VT(V_VARIANTREF(arg)) = VT_ERROR; - V_ERROR(V_VARIANTREF(arg)) = DISP_E_PARAMNOTFOUND; + if (rgvt[i] == (VT_VARIANT | VT_BYREF)) + { + VARIANTARG *missing_arg = INVBUF_GET_MISSING_ARG_ARRAY(buffer, func_desc->cParams); + V_VT(arg) = VT_VARIANT | VT_BYREF; + V_VARIANTREF(arg) = &missing_arg[i]; + arg = &missing_arg[i]; + } + V_VT(arg) = VT_ERROR; + V_ERROR(arg) = DISP_E_PARAMNOTFOUND; } } else -- 1.4.4.rc2