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devenum: Use calloc() in enum_moniker_create(). 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-05-13 17:03:07 -05:00 committed by Alexandre Julliard
parent b11afa1725
commit af68dafc63
1 changed files with 18 additions and 16 deletions
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34
dlls/devenum/mediacatenum.c
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@ -789,7 +789,7 @@ static ULONG WINAPI enum_moniker_Release(IEnumMoniker *iface)
IEnumDMO_Release(This->dmo_enum);
RegCloseKey(This->sw_key);
RegCloseKey(This->cm_key);
CoTaskMemFree(This);
free(This);
DEVENUM_UnlockModule();
return 0;
}
@ -922,41 +922,43 @@ static const IEnumMonikerVtbl IEnumMoniker_Vtbl =
enum_moniker_Clone,
};
HRESULT enum_moniker_create(REFCLSID class, IEnumMoniker **ppEnumMoniker)
HRESULT enum_moniker_create(REFCLSID class, IEnumMoniker **out)
{
EnumMonikerImpl * pEnumMoniker = CoTaskMemAlloc(sizeof(EnumMonikerImpl));
EnumMonikerImpl *object;
WCHAR buffer[78];
HRESULT hr;
if (!pEnumMoniker)
if (!(object = calloc(1, sizeof(*object))))
return E_OUTOFMEMORY;
pEnumMoniker->IEnumMoniker_iface.lpVtbl = &IEnumMoniker_Vtbl;
pEnumMoniker->ref = 1;
pEnumMoniker->sw_index = 0;
pEnumMoniker->cm_index = 0;
pEnumMoniker->class = *class;
object->IEnumMoniker_iface.lpVtbl = &IEnumMoniker_Vtbl;
object->ref = 1;
object->class = *class;
lstrcpyW(buffer, clsidW);
lstrcatW(buffer, backslashW);
StringFromGUID2(class, buffer + lstrlenW(buffer), CHARS_IN_GUID);
lstrcatW(buffer, instanceW);
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, buffer, 0, KEY_ENUMERATE_SUB_KEYS, &pEnumMoniker->sw_key))
pEnumMoniker->sw_key = NULL;
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, buffer, 0, KEY_ENUMERATE_SUB_KEYS, &object->sw_key))
object->sw_key = NULL;
lstrcpyW(buffer, wszActiveMovieKey);
StringFromGUID2(class, buffer + lstrlenW(buffer), CHARS_IN_GUID);
if (RegOpenKeyExW(HKEY_CURRENT_USER, buffer, 0, KEY_ENUMERATE_SUB_KEYS, &pEnumMoniker->cm_key))
pEnumMoniker->cm_key = NULL;
if (RegOpenKeyExW(HKEY_CURRENT_USER, buffer, 0, KEY_ENUMERATE_SUB_KEYS, &object->cm_key))
object->cm_key = NULL;
hr = DMOEnum(class, 0, 0, NULL, 0, NULL, &pEnumMoniker->dmo_enum);
hr = DMOEnum(class, 0, 0, NULL, 0, NULL, &object->dmo_enum);
if (FAILED(hr))
{
IEnumMoniker_Release(&pEnumMoniker->IEnumMoniker_iface);
if (object->cm_key)
RegCloseKey(object->cm_key);
if (object->sw_key)
RegCloseKey(object->sw_key);
free(object);
return hr;
}
*ppEnumMoniker = &pEnumMoniker->IEnumMoniker_iface;
*out = &object->IEnumMoniker_iface;
DEVENUM_LockModule();