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msdmo: Also handle ERROR_SUCCESS with nonzero size from RegQueryValueExW().

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Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=49659
Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-09-30 16:31:18 -05:00 committed by Alexandre Julliard
parent 6db24a2349
commit 2d4e21d45e
2 changed files with 59 additions and 5 deletions
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20
dlls/msdmo/dmoreg.c
View file

@ -526,11 +526,16 @@ static HRESULT WINAPI IEnumDMO_fnNext(
if (This->pInTypes)
{
DWORD size = types_size, i;
DWORD size, i;
while ((ret = RegQueryValueExW(hkey, L"InputTypes", NULL, NULL,
(BYTE *)types, &size)) == ERROR_MORE_DATA)
for (;;)
{
size = types_size;
ret = RegQueryValueExW(hkey, L"InputTypes", NULL, NULL, (BYTE *)types, &size);
if (ret != ERROR_SUCCESS && ret != ERROR_MORE_DATA)
break;
if (size <= types_size)
break;
if (!array_reserve((void **)&types, &types_size, size, 1))
{
RegCloseKey(hkey);
@ -559,9 +564,14 @@ static HRESULT WINAPI IEnumDMO_fnNext(
{
DWORD size = types_size, i;
while ((ret = RegQueryValueExW(hkey, L"OutputTypes", NULL, NULL,
(BYTE *)types, &size)) == ERROR_MORE_DATA)
for (;;)
{
size = types_size;
ret = RegQueryValueExW(hkey, L"OutputTypes", NULL, NULL, (BYTE *)types, &size);
if (ret != ERROR_SUCCESS && ret != ERROR_MORE_DATA)
break;
if (size <= types_size)
break;
if (!array_reserve((void **)&types, &types_size, size, 1))
{
RegCloseKey(hkey);

44
dlls/msdmo/tests/msdmo.c
View file

@ -88,6 +88,9 @@ static void test_DMOGetName(void)
static void test_DMOEnum(void)
{
static const DMO_PARTIAL_MEDIATYPE input_type = {{0x1111}, {0x2222}};
static const DMO_PARTIAL_MEDIATYPE wrong_type = {{0x3333}, {0x4444}};
IEnumDMO *enum_dmo;
HRESULT hr;
CLSID clsid;
@ -115,6 +118,47 @@ static void test_DMOEnum(void)
ok(count == 0, "expected 0, got %d\n", count);
IEnumDMO_Release(enum_dmo);
hr = DMORegister(L"testdmo", &GUID_unknowndmo, &GUID_unknowncategory, 0, 1, &input_type, 0, NULL);
if (hr != S_OK)
return;
hr = DMOEnum(&GUID_unknowncategory, 0, 0, NULL, 0, NULL, &enum_dmo);
ok(hr == S_OK, "Got hr %#x.\n", hr);
hr = IEnumDMO_Next(enum_dmo, 1, &clsid, &name, NULL);
ok(hr == S_OK, "Got hr %#x.\n", hr);
ok(IsEqualGUID(&clsid, &GUID_unknowndmo), "Got clsid %s.\n", debugstr_guid(&clsid));
ok(!wcscmp(name, L"testdmo"), "Got name %s.\n", debugstr_w(name));
hr = IEnumDMO_Next(enum_dmo, 1, &clsid, &name, NULL);
ok(hr == S_FALSE, "Got hr %#x.\n", hr);
IEnumDMO_Release(enum_dmo);
hr = DMOEnum(&GUID_unknowncategory, 0, 1, &input_type, 0, NULL, &enum_dmo);
ok(hr == S_OK, "Got hr %#x.\n", hr);
hr = IEnumDMO_Next(enum_dmo, 1, &clsid, &name, NULL);
ok(hr == S_OK, "Got hr %#x.\n", hr);
ok(IsEqualGUID(&clsid, &GUID_unknowndmo), "Got clsid %s.\n", debugstr_guid(&clsid));
ok(!wcscmp(name, L"testdmo"), "Got name %s.\n", debugstr_w(name));
hr = IEnumDMO_Next(enum_dmo, 1, &clsid, &name, NULL);
ok(hr == S_FALSE, "Got hr %#x.\n", hr);
IEnumDMO_Release(enum_dmo);
hr = DMOEnum(&GUID_unknowncategory, 0, 1, &wrong_type, 0, NULL, &enum_dmo);
ok(hr == S_OK, "Got hr %#x.\n", hr);
hr = IEnumDMO_Next(enum_dmo, 1, &clsid, &name, NULL);
ok(hr == S_FALSE, "Got hr %#x.\n", hr);
IEnumDMO_Release(enum_dmo);
hr = DMOUnregister(&GUID_unknowndmo, &GUID_unknowncategory);
ok(hr == S_OK, "Got hr %#x.\n", hr);
}
static void test_DMOGetTypes(void)