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msdmo: Allow for names to be NULL in IEnumDMO_Next. 

Signed-off-by: Sven Baars <sven.wine@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Sven Baars 2019-02-24 20:46:34 +01:00 committed by Alexandre Julliard
parent e41502b429
commit 61e0ffcd73
2 changed files with 16 additions and 6 deletions
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15
dlls/msdmo/dmoreg.c
View File

@ -530,7 +530,7 @@ static HRESULT WINAPI IEnumDMO_fnNext(
TRACE("(%p)->(%d %p %p %p)\n", This, cItemsToFetch, pCLSID, Names, pcItemsFetched);
if (!pCLSID || !Names)
if (!pCLSID)
return E_POINTER;
if (!pcItemsFetched && cItemsToFetch > 1)
@ -656,14 +656,17 @@ static HRESULT WINAPI IEnumDMO_fnNext(
}
/* Media object wasn't filtered so add it to return list */
Names[count] = NULL;
len = MAX_PATH * sizeof(WCHAR);
ret = RegQueryValueExW(hkey, NULL, NULL, NULL, (LPBYTE)szValue, &len);
if (ERROR_SUCCESS == ret)
if (Names)
{
Names[count] = CoTaskMemAlloc((strlenW(szValue) + 1) * sizeof(WCHAR));
if (Names[count])
strcpyW(Names[count], szValue);
Names[count] = NULL;
if (ret == ERROR_SUCCESS)
{
Names[count] = CoTaskMemAlloc((strlenW(szValue) + 1) * sizeof(WCHAR));
if (Names[count])
strcpyW(Names[count], szValue);
}
}
wsprintfW(szGuidKey,szToGuidFmt,szNextKey);
CLSIDFromString(szGuidKey, &pCLSID[count]);

7
dlls/msdmo/tests/msdmo.c
View File

@ -107,6 +107,13 @@ static void test_DMOEnum(void)
ok(hr == S_FALSE, "expected S_FALSE, got %#x\n", hr);
ok(count == 0, "expected 0, got %d\n", count);
hr = IEnumDMO_Next(enum_dmo, 2, NULL, &name, &count);
ok(hr == E_POINTER, "expected S_FALSE, got %#x\n", hr);
hr = IEnumDMO_Next(enum_dmo, 2, &clsid, NULL, &count);
ok(hr == S_FALSE, "expected S_FALSE, got %#x\n", hr);
ok(count == 0, "expected 0, got %d\n", count);
IEnumDMO_Release(enum_dmo);
}