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dmloader: Check for invalid class in EnableCache(). 

Fixes a test failure with sone Mingw versions.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2020-06-11 21:56:46 +02:00
parent f779f36da3
commit 8d12efecc9
1 changed files with 4 additions and 2 deletions
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6
dlls/dmloader/loader.c
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@ -771,10 +771,12 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_EnableCache(IDirectMusicLoader8 *if
if (IsEqualGUID(class, &GUID_DirectMusicAllTypes))
This->cache_class = enable ? ~0 : 0;
else {
int idx = index_from_class(class);
if (idx == -1) return S_FALSE;
if (enable)
This->cache_class |= 1 << index_from_class(class);
This->cache_class |= 1 << idx;
else
This->cache_class &= ~(1 << index_from_class(class));
This->cache_class &= ~(1 << idx);
}
if (!enable)