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atl: Simplify error handling in AtlAxAttachControl().

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This commit is contained in:
Nikolay Sivov 2014-04-18 16:09:32 +04:00 committed by Alexandre Julliard
parent 68f2b878d2
commit 2b390f01ed
2 changed files with 14 additions and 24 deletions
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28
dlls/atl/atl_ax.c
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@ -949,12 +949,15 @@ static HRESULT IOCS_Init( IOCS *This )
/**********************************************************************
* Create new instance of Atl host component and attach it to window *
*/
static HRESULT IOCS_Create( HWND hWnd, IUnknown *pUnkControl, IOCS **ppSite )
static HRESULT IOCS_Create( HWND hWnd, IUnknown *pUnkControl, IUnknown **container )
{
HRESULT hr;
IOCS *This;
*ppSite = NULL;
if (!container)
return S_OK;
*container = NULL;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(IOCS));
if (!This)
@ -975,7 +978,7 @@ static HRESULT IOCS_Create( HWND hWnd, IUnknown *pUnkControl, IOCS **ppSite )
if ( SUCCEEDED( hr ) )
hr = IOCS_Init( This );
if ( SUCCEEDED( hr ) )
*ppSite = This;
*container = (IUnknown*)&This->IOleClientSite_iface;
else
IOCS_Release( This );
@ -1102,26 +1105,17 @@ HRESULT WINAPI AtlAxCreateControlEx(LPCOLESTR lpszName, HWND hWnd,
/***********************************************************************
* AtlAxAttachControl [atl100.@]
*/
HRESULT WINAPI AtlAxAttachControl(IUnknown* pControl, HWND hWnd, IUnknown** ppUnkContainer)
HRESULT WINAPI AtlAxAttachControl(IUnknown *control, HWND hWnd, IUnknown **container)
{
IOCS *pUnkContainer;
HRESULT hr;
TRACE( "%p %p %p\n", pControl, hWnd, ppUnkContainer );
TRACE("(%p %p %p)\n", control, hWnd, container);
if (!pControl)
if (!control)
return E_INVALIDARG;
hr = IOCS_Create( hWnd, pControl, &pUnkContainer );
if ( SUCCEEDED( hr ) && ppUnkContainer)
{
*ppUnkContainer = (IUnknown*) pUnkContainer;
}
if(!hWnd)
return S_FALSE;
return hr;
hr = IOCS_Create( hWnd, control, container );
return hWnd ? hr : S_FALSE;
}
/**********************************************************************

10
dlls/atl/tests/atl_ax.c
View File

@ -97,15 +97,11 @@ static void test_AtlAxAttachControl(void)
hr = pAtlAxAttachControl(pObj, NULL, NULL);
ok(hr == S_FALSE, "Expected AtlAxAttachControl to return S_FALSE, got 0x%08x\n", hr);
pContainer = (IUnknown *)0xdeadbeef;
pContainer = NULL;
hr = pAtlAxAttachControl(pObj, NULL, &pContainer);
ok(hr == S_FALSE, "Expected AtlAxAttachControl to return S_FALSE, got 0x%08x\n", hr);
ok(pContainer != (IUnknown *)0xdeadbeef &&
pContainer != NULL,
"Expected the output container pointer to be initialized to non-NULL, got %p\n", pContainer);
if (pContainer != (IUnknown *)0xdeadbeef && pContainer != NULL)
IUnknown_Release(pContainer);
ok(pContainer != NULL, "got %p\n", pContainer);
IUnknown_Release(pContainer);
hr = pAtlAxAttachControl(pObj, hwnd, NULL);
ok(hr == S_OK, "Expected AtlAxAttachControl to return S_OK, got 0x%08x\n", hr);