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OLE: Move the dispinterface return value handling to functions that 

return the FUNCDESC to the user.
This commit is contained in:
Robert Shearman 2005-12-03 18:10:30 +01:00 committed by Alexandre Julliard
parent efd067f2c3
commit d48f6f3682
1 changed files with 41 additions and 35 deletions
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76
dlls/oleaut32/typelib.c
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@ -1863,38 +1863,6 @@ MSFT_DoFuncs(TLBContext* pcx,
}
}
/* special treatment for dispinterfaces: this makes functions appear
* to return their [retval] value when it is really returning an
* HRESULT */
if ((pTI->TypeAttr.typekind == TKIND_DISPATCH) &&
(*pptfd)->funcdesc.elemdescFunc.tdesc.vt == VT_HRESULT)
{
if (pFuncRec->nrargs &&
((*pptfd)->funcdesc.lprgelemdescParam[pFuncRec->nrargs - 1].u.paramdesc.wParamFlags & PARAMFLAG_FRETVAL))
{
ELEMDESC *elemdesc = &(*pptfd)->funcdesc.lprgelemdescParam[pFuncRec->nrargs - 1];
if (elemdesc->tdesc.vt != VT_PTR)
{
ERR_(typelib)("elemdesc should have started with VT_PTR instead of:\n");
if (ERR_ON(typelib))
dump_ELEMDESC(elemdesc);
/* FIXME: return error */
break;
}
(*pptfd)->funcdesc.elemdescFunc = *elemdesc;
/* dereference parameter */
(*pptfd)->funcdesc.elemdescFunc.tdesc = *elemdesc->tdesc.u.lptdesc;
pFuncRec->nrargs--;
(*pptfd)->funcdesc.cParams = pFuncRec->nrargs;
}
else
(*pptfd)->funcdesc.elemdescFunc.tdesc.vt = VT_VOID;
}
/* scode is not used: archaic win16 stuff FIXME: right? */
(*pptfd)->funcdesc.cScodes = 0 ;
(*pptfd)->funcdesc.lprgscode = NULL ;
@ -4403,7 +4371,7 @@ static void TLB_FreeElemDesc( ELEMDESC *elemdesc )
VariantClear(&elemdesc->u.paramdesc.pparamdescex->varDefaultValue);
}
static HRESULT TLB_AllocAndInitFuncDesc( const FUNCDESC *src, FUNCDESC **dest_ptr )
static HRESULT TLB_AllocAndInitFuncDesc( const FUNCDESC *src, FUNCDESC **dest_ptr, BOOL dispinterface )
{
FUNCDESC *dest;
char *buffer;
@ -4454,6 +4422,38 @@ static HRESULT TLB_AllocAndInitFuncDesc( const FUNCDESC *src, FUNCDESC **dest_pt
return hr;
}
/* special treatment for dispinterfaces: this makes functions appear
* to return their [retval] value when it is really returning an
* HRESULT */
if (dispinterface && dest->elemdescFunc.tdesc.vt == VT_HRESULT)
{
if (dest->cParams &&
(dest->lprgelemdescParam[dest->cParams - 1].u.paramdesc.wParamFlags & PARAMFLAG_FRETVAL))
{
ELEMDESC *elemdesc = &dest->lprgelemdescParam[dest->cParams - 1];
if (elemdesc->tdesc.vt != VT_PTR)
{
ERR("elemdesc should have started with VT_PTR instead of:\n");
if (ERR_ON(ole))
dump_ELEMDESC(elemdesc);
return E_UNEXPECTED;
}
/* copy last parameter to the return value. we are using a flat
* buffer so there is no danger of leaking memory in
* elemdescFunc */
dest->elemdescFunc.tdesc = *elemdesc->tdesc.u.lptdesc;
/* remove the last parameter */
dest->cParams--;
}
else
/* otherwise this function is made to appear to have no return
* value */
dest->elemdescFunc.tdesc.vt = VT_VOID;
}
*dest_ptr = dest;
return S_OK;
}
@ -4477,7 +4477,10 @@ static HRESULT WINAPI ITypeInfo_fnGetFuncDesc( ITypeInfo2 *iface, UINT index,
;
if(pFDesc)
return TLB_AllocAndInitFuncDesc(&pFDesc->funcdesc, ppFuncDesc);
return TLB_AllocAndInitFuncDesc(
&pFDesc->funcdesc,
ppFuncDesc,
This->TypeAttr.typekind == TKIND_DISPATCH);
return E_INVALIDARG;
}
@ -6362,7 +6365,10 @@ static HRESULT WINAPI ITypeComp_fnBind(
if (pFDesc)
{
HRESULT hr = TLB_AllocAndInitFuncDesc(&pFDesc->funcdesc, &pBindPtr->lpfuncdesc);
HRESULT hr = TLB_AllocAndInitFuncDesc(
&pFDesc->funcdesc,
&pBindPtr->lpfuncdesc,
This->TypeAttr.typekind == TKIND_DISPATCH);
if (FAILED(hr))
return hr;
*pDescKind = DESCKIND_FUNCDESC;