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windowscodecs: Use an iface instead of a vtbl pointer in PropertyBag.

This commit is contained in:
Michael Stefaniuc 2010-12-08 22:59:37 +01:00 committed by Alexandre Julliard
parent cbee3a561e
commit 7e106986cb
1 changed files with 11 additions and 6 deletions
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17
dlls/windowscodecs/propertybag.c
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@ -34,14 +34,19 @@
WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
typedef struct PropertyBag {
const IPropertyBag2Vtbl *lpVtbl;
IPropertyBag2 IPropertyBag2_iface;
LONG ref;
} PropertyBag;
static inline PropertyBag *impl_from_IPropertyBag2(IPropertyBag2 *iface)
{
return CONTAINING_RECORD(iface, PropertyBag, IPropertyBag2_iface);
}
static HRESULT WINAPI PropertyBag_QueryInterface(IPropertyBag2 *iface, REFIID iid,
void **ppv)
{
PropertyBag *This = (PropertyBag*)iface;
PropertyBag *This = impl_from_IPropertyBag2(iface);
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
@ -63,7 +68,7 @@ static HRESULT WINAPI PropertyBag_QueryInterface(IPropertyBag2 *iface, REFIID ii
static ULONG WINAPI PropertyBag_AddRef(IPropertyBag2 *iface)
{
PropertyBag *This = (PropertyBag*)iface;
PropertyBag *This = impl_from_IPropertyBag2(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
@ -73,7 +78,7 @@ static ULONG WINAPI PropertyBag_AddRef(IPropertyBag2 *iface)
static ULONG WINAPI PropertyBag_Release(IPropertyBag2 *iface)
{
PropertyBag *This = (PropertyBag*)iface;
PropertyBag *This = impl_from_IPropertyBag2(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
@ -138,10 +143,10 @@ extern HRESULT CreatePropertyBag2(IPropertyBag2 **ppPropertyBag2)
This = HeapAlloc(GetProcessHeap(), 0, sizeof(PropertyBag));
if (!This) return E_OUTOFMEMORY;
This->lpVtbl = &PropertyBag_Vtbl;
This->IPropertyBag2_iface.lpVtbl = &PropertyBag_Vtbl;
This->ref = 1;
*ppPropertyBag2 = (IPropertyBag2*)This;
*ppPropertyBag2 = &This->IPropertyBag2_iface;
return S_OK;
}