oleaut32: implement underscore-prefix overload (was Re:
oleaut32:
ITypeInfo_fnInvoke behavior on PARAMFLAG_FOPT without PARAMFLAG_FHASDEFAULT)
Alex Villacís Lasso
a_villacis at palosanto.com
Mon Nov 13 11:11:20 CST 2006
Robert Shearman escribió:
> 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?
>
> ------------------------------------------------------------------------
>
> 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
>
> ------------------------------------------------------------------------
>
>
>
Yes, it does fix the bug. Thanks! So, was it only a coincidence that the
failing case was an Append procedure in a class that also had an _Append
procedure?
--
The following cryptic message was allegedly found in the inner edge of a Windows
XP installation CD:
4F6E65204F5320746F2072756C65207468656D20616C6C2C204F6E65204F5320746F2066696E6420
7468656D2C0D0A4F6E65204F5320746F206272696E67207468656D20616C6C20616E6420696E2074
6865206461726B6E6573732062696E64207468656D2E0A
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which supposedly encodes the true nature and purpose of the software.
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