Akihiro Sagawa : strmbase: Add null pointer checks to BaseControlVideoImpls.
Module: wine Branch: master Commit: 0638213243d0799734a75c182a81f886257d0970 URL: http://source.winehq.org/git/wine.git/?a=commit;h=0638213243d0799734a75c182a... Author: Akihiro Sagawa <sagawa.aki(a)gmail.com> Date: Sun Nov 20 15:33:21 2016 +0900 strmbase: Add null pointer checks to BaseControlVideoImpls. Signed-off-by: Akihiro Sagawa <sagawa.aki(a)gmail.com> Signed-off-by: Andrew Eikum <aeikum(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/strmbase/video.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/dlls/strmbase/video.c b/dlls/strmbase/video.c index ec3a076..be65886 100644 --- a/dlls/strmbase/video.c +++ b/dlls/strmbase/video.c @@ -95,6 +95,8 @@ HRESULT WINAPI BaseControlVideoImpl_get_AvgTimePerFrame(IBasicVideo *iface, REFT VIDEOINFOHEADER *vih; BaseControlVideo *This = impl_from_IBasicVideo(iface); + if (!pAvgTimePerFrame) + return E_POINTER; if (!This->pPin->pConnectedTo) return VFW_E_NOT_CONNECTED; @@ -112,6 +114,8 @@ HRESULT WINAPI BaseControlVideoImpl_get_BitRate(IBasicVideo *iface, LONG *pBitRa TRACE("(%p/%p)->(%p)\n", This, iface, pBitRate); + if (!pBitRate) + return E_POINTER; if (!This->pPin->pConnectedTo) return VFW_E_NOT_CONNECTED; @@ -127,6 +131,8 @@ HRESULT WINAPI BaseControlVideoImpl_get_BitErrorRate(IBasicVideo *iface, LONG *p TRACE("(%p/%p)->(%p)\n", This, iface, pBitErrorRate); + if (!pBitErrorRate) + return E_POINTER; if (!This->pPin->pConnectedTo) return VFW_E_NOT_CONNECTED; @@ -141,6 +147,8 @@ HRESULT WINAPI BaseControlVideoImpl_get_VideoWidth(IBasicVideo *iface, LONG *pVi BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%p)\n", This, iface, pVideoWidth); + if (!pVideoWidth) + return E_POINTER; vih = This->pFuncsTable->pfnGetVideoFormat(This); *pVideoWidth = vih->bmiHeader.biWidth; @@ -154,6 +162,8 @@ HRESULT WINAPI BaseControlVideoImpl_get_VideoHeight(IBasicVideo *iface, LONG *pV BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%p)\n", This, iface, pVideoHeight); + if (!pVideoHeight) + return E_POINTER; vih = This->pFuncsTable->pfnGetVideoFormat(This); *pVideoHeight = abs(vih->bmiHeader.biHeight); @@ -180,6 +190,8 @@ HRESULT WINAPI BaseControlVideoImpl_get_SourceLeft(IBasicVideo *iface, LONG *pSo BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%p)\n", This, iface, pSourceLeft); + if (!pSourceLeft) + return E_POINTER; This->pFuncsTable->pfnGetSourceRect(This, &SourceRect); *pSourceLeft = SourceRect.left; @@ -205,6 +217,8 @@ HRESULT WINAPI BaseControlVideoImpl_get_SourceWidth(IBasicVideo *iface, LONG *pS BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%p)\n", This, iface, pSourceWidth); + if (!pSourceWidth) + return E_POINTER; This->pFuncsTable->pfnGetSourceRect(This, &SourceRect); *pSourceWidth = SourceRect.right - SourceRect.left; @@ -230,6 +244,8 @@ HRESULT WINAPI BaseControlVideoImpl_get_SourceTop(IBasicVideo *iface, LONG *pSou BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%p)\n", This, iface, pSourceTop); + if (!pSourceTop) + return E_POINTER; This->pFuncsTable->pfnGetSourceRect(This, &SourceRect); *pSourceTop = SourceRect.top; @@ -255,6 +271,8 @@ HRESULT WINAPI BaseControlVideoImpl_get_SourceHeight(IBasicVideo *iface, LONG *p BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%p)\n", This, iface, pSourceHeight); + if (!pSourceHeight) + return E_POINTER; This->pFuncsTable->pfnGetSourceRect(This, &SourceRect); *pSourceHeight = SourceRect.bottom - SourceRect.top; @@ -281,6 +299,8 @@ HRESULT WINAPI BaseControlVideoImpl_get_DestinationLeft(IBasicVideo *iface, LONG BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%p)\n", This, iface, pDestinationLeft); + if (!pDestinationLeft) + return E_POINTER; This->pFuncsTable->pfnGetTargetRect(This, &DestRect); *pDestinationLeft = DestRect.left; @@ -306,6 +326,8 @@ HRESULT WINAPI BaseControlVideoImpl_get_DestinationWidth(IBasicVideo *iface, LON BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%p)\n", This, iface, pDestinationWidth); + if (!pDestinationWidth) + return E_POINTER; This->pFuncsTable->pfnGetTargetRect(This, &DestRect); *pDestinationWidth = DestRect.right - DestRect.left; @@ -331,6 +353,8 @@ HRESULT WINAPI BaseControlVideoImpl_get_DestinationTop(IBasicVideo *iface, LONG BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%p)\n", This, iface, pDestinationTop); + if (!pDestinationTop) + return E_POINTER; This->pFuncsTable->pfnGetTargetRect(This, &DestRect); *pDestinationTop = DestRect.top; @@ -356,6 +380,8 @@ HRESULT WINAPI BaseControlVideoImpl_get_DestinationHeight(IBasicVideo *iface, LO BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%p)\n", This, iface, pDestinationHeight); + if (!pDestinationHeight) + return E_POINTER; This->pFuncsTable->pfnGetTargetRect(This, &DestRect); *pDestinationHeight = DestRect.right - DestRect.left; @@ -381,6 +407,8 @@ HRESULT WINAPI BaseControlVideoImpl_GetSourcePosition(IBasicVideo *iface, LONG * BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%p, %p, %p, %p)\n", This, iface, pLeft, pTop, pWidth, pHeight); + if (!pLeft || !pTop || !pWidth || !pHeight) + return E_POINTER; This->pFuncsTable->pfnGetSourceRect(This, &SourceRect); *pLeft = SourceRect.left; @@ -418,6 +446,8 @@ HRESULT WINAPI BaseControlVideoImpl_GetDestinationPosition(IBasicVideo *iface, L BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%p, %p, %p, %p)\n", This, iface, pLeft, pTop, pWidth, pHeight); + if (!pLeft || !pTop || !pWidth || !pHeight) + return E_POINTER; This->pFuncsTable->pfnGetTargetRect(This, &DestRect); *pLeft = DestRect.left; @@ -442,6 +472,8 @@ HRESULT WINAPI BaseControlVideoImpl_GetVideoSize(IBasicVideo *iface, LONG *pWidt BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%p, %p)\n", This, iface, pWidth, pHeight); + if (!pWidth || !pHeight) + return E_POINTER; vih = This->pFuncsTable->pfnGetVideoFormat(This); *pHeight = vih->bmiHeader.biHeight; @@ -455,6 +487,8 @@ HRESULT WINAPI BaseControlVideoImpl_GetVideoPaletteEntries(IBasicVideo *iface, L BaseControlVideo *This = impl_from_IBasicVideo(iface); TRACE("(%p/%p)->(%d, %d, %p, %p)\n", This, iface, StartIndex, Entries, pRetrieved, pPalette); + if (!pRetrieved || !pPalette) + return E_POINTER; if (pRetrieved) *pRetrieved = 0; @@ -464,6 +498,8 @@ HRESULT WINAPI BaseControlVideoImpl_GetVideoPaletteEntries(IBasicVideo *iface, L HRESULT WINAPI BaseControlVideoImpl_GetCurrentImage(IBasicVideo *iface, LONG *pBufferSize, LONG *pDIBImage) { BaseControlVideo *This = impl_from_IBasicVideo(iface); + if (!pBufferSize || !pDIBImage) + return E_POINTER; return This->pFuncsTable->pfnGetStaticImage(This, pBufferSize, pDIBImage); }
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Alexandre Julliard