Signed-off-by: Zebediah Figura <z.figura12(a)gmail.com>
---
v2: Actually test passing a "left" moniker, and fix a crash on winxp.
dlls/devenum/mediacatenum.c | 88 ++++++++++++++++--------------------
dlls/devenum/tests/devenum.c | 18 +++++++-
2 files changed, 56 insertions(+), 50 deletions(-)
diff --git a/dlls/devenum/mediacatenum.c b/dlls/devenum/mediacatenum.c
index 15e5c9642cb..b03b17f945a 100644
--- a/dlls/devenum/mediacatenum.c
+++ b/dlls/devenum/mediacatenum.c
@@ -377,73 +377,63 @@ static HRESULT WINAPI moniker_GetSizeMax(IMoniker *iface, ULARGE_INTEGER *pcbSiz
return S_OK;
}
-static HRESULT WINAPI moniker_BindToObject(IMoniker *iface, IBindCtx *pbc,
- IMoniker *pmkToLeft, REFIID riidResult, void **ppvResult)
+static HRESULT WINAPI moniker_BindToObject(IMoniker *iface, IBindCtx *bind_ctx,
+ IMoniker *left, REFIID iid, void **out)
{
- struct moniker *This = impl_from_IMoniker(iface);
- IUnknown * pObj = NULL;
- IPropertyBag * pProp = NULL;
- CLSID clsID;
+ struct moniker *moniker = impl_from_IMoniker(iface);
+ IPersistPropertyBag *persist_bag;
+ IPropertyBag *prop_bag;
+ IUnknown *unk;
+ CLSID clsid;
VARIANT var;
- HRESULT res = E_FAIL;
+ HRESULT hr;
- TRACE("(%p)->(%p, %p, %s, %p)\n", This, pbc, pmkToLeft, debugstr_guid(riidResult), ppvResult);
+ TRACE("moniker %p, bind_ctx %p, left %p, iid %s, out %p.\n",
+ moniker, bind_ctx, left, debugstr_guid(iid), out);
- if (!ppvResult)
+ if (!out)
return E_POINTER;
VariantInit(&var);
- *ppvResult = NULL;
+ *out = NULL;
- if(pmkToLeft==NULL)
+ if (FAILED(hr = IMoniker_BindToStorage(iface, NULL, NULL, &IID_IPropertyBag, (void **)&prop_bag)))
+ return hr;
+
+ V_VT(&var) = VT_BSTR;
+ if (FAILED(hr = IPropertyBag_Read(prop_bag, L"CLSID", &var, NULL)))
{
- /* first activation of this class */
- LPVOID pvptr;
- res=IMoniker_BindToStorage(iface, NULL, NULL, &IID_IPropertyBag, &pvptr);
- pProp = pvptr;
- if (SUCCEEDED(res))
- {
- V_VT(&var) = VT_BSTR;
- res = IPropertyBag_Read(pProp, clsidW, &var, NULL);
- }
- if (SUCCEEDED(res))
- {
- res = CLSIDFromString(V_BSTR(&var), &clsID);
- VariantClear(&var);
- }
- if (SUCCEEDED(res))
- {
- res=CoCreateInstance(&clsID,NULL,CLSCTX_ALL,&IID_IUnknown,&pvptr);
- pObj = pvptr;
- }
+ IPropertyBag_Release(prop_bag);
+ return hr;
}
- if (pObj!=NULL)
+ hr = CLSIDFromString(V_BSTR(&var), &clsid);
+ VariantClear(&var);
+ if (FAILED(hr))
{
- /* get the requested interface from the loaded class */
- res = S_OK;
- if (pProp) {
- HRESULT res2;
- LPVOID ppv = NULL;
- res2 = IUnknown_QueryInterface(pObj, &IID_IPersistPropertyBag, &ppv);
- if (SUCCEEDED(res2)) {
- res = IPersistPropertyBag_Load((IPersistPropertyBag *) ppv, pProp, NULL);
- IPersistPropertyBag_Release((IPersistPropertyBag *) ppv);
- }
- }
- if (SUCCEEDED(res))
- res= IUnknown_QueryInterface(pObj,riidResult,ppvResult);
- IUnknown_Release(pObj);
+ IPropertyBag_Release(prop_bag);
+ return hr;
}
- if (pProp)
+ if (FAILED(hr = CoCreateInstance(&clsid, NULL, CLSCTX_ALL, &IID_IUnknown, (void **)&unk)))
{
- IPropertyBag_Release(pProp);
+ IPropertyBag_Release(prop_bag);
+ return hr;
+ }
+
+ if (SUCCEEDED(IUnknown_QueryInterface(unk, &IID_IPersistPropertyBag, (void **)&persist_bag)))
+ {
+ hr = IPersistPropertyBag_Load(persist_bag, prop_bag, NULL);
+ IPersistPropertyBag_Release(persist_bag);
}
- TRACE("<- 0x%x\n", res);
+ if (SUCCEEDED(hr))
+ hr = IUnknown_QueryInterface(unk, iid, out);
- return res;
+ IUnknown_Release(unk);
+ IPropertyBag_Release(prop_bag);
+
+ return hr;
}
static HRESULT WINAPI moniker_BindToStorage(IMoniker *iface, IBindCtx *pbc,
diff --git a/dlls/devenum/tests/devenum.c b/dlls/devenum/tests/devenum.c
index 01e6be98da7..decc53ff814 100644
--- a/dlls/devenum/tests/devenum.c
+++ b/dlls/devenum/tests/devenum.c
@@ -46,8 +46,9 @@ static void test_devenum(void)
GUID cat_guid, clsid;
WCHAR *displayname;
IBindCtx *bindctx;
+ HRESULT hr, hr2;
+ IUnknown *unk;
VARIANT var;
- HRESULT hr;
int count;
hr = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
@@ -114,6 +115,21 @@ static void test_devenum(void)
hr = IMoniker_BindToObject(moniker, NULL, NULL, &IID_IUnknown, NULL);
ok(hr == E_POINTER, "got %#x\n", hr);
+ VariantClear(&var);
+ hr = IPropertyBag_Read(prop_bag, L"CLSID", &var, NULL);
+ /* Instantiating the WMT Screen Capture Filter crashes on Windows XP. */
+ if (hr != S_OK || wcscmp(V_BSTR(&var), L"{31087270-D348-432C-899E-2D2F38FF29A0}"))
+ {
+ hr = IMoniker_BindToObject(moniker, NULL, NULL, &IID_IUnknown, (void **)&unk);
+ if (hr == S_OK)
+ IUnknown_Release(unk);
+ hr2 = IMoniker_BindToObject(moniker, NULL, (IMoniker *)0xdeadbeef,
+ &IID_IUnknown, (void **)&unk);
+ if (hr2 == S_OK)
+ IUnknown_Release(unk);
+ ok(hr2 == hr, "Expected hr %#x, got %#x.\n", hr, hr2);
+ }
+
hr = CreateBindCtx(0, &bindctx);
ok(hr == S_OK, "Got hr %#x.\n", hr);
hr = IMoniker_BindToStorage(moniker, bindctx, NULL, &IID_IPropertyBag, (LPVOID*)&prop_bag);
--
2.26.0