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Commit 473d6cbd authored by Steve Lustbader's avatar Steve Lustbader Committed by Alexandre Julliard
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StretchDIBits: avoid crash on null pointers.

parent bcca0cb3
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Showing with 7 additions and 2 deletions
objects/dib.c
View file @ 473d6cbd
...@@ -155,9 +155,14 @@ INT WINAPI StretchDIBits(HDC hdc, INT xDst, INT yDst, INT widthDst, ...@@ -155,9 +155,14 @@ INT WINAPI StretchDIBits(HDC hdc, INT xDst, INT yDst, INT widthDst,
INT heightSrc, const void *bits, INT heightSrc, const void *bits,
const BITMAPINFO *info, UINT wUsage, DWORD dwRop ) const BITMAPINFO *info, UINT wUsage, DWORD dwRop )
{ {
DC *dc = DC_GetDCUpdate( hdc ); DC *dc;
if(!dc) return FALSE;
if (!bits || !info)
return 0;
dc = DC_GetDCUpdate( hdc );
if(!dc) return FALSE;
if(dc->funcs->pStretchDIBits) if(dc->funcs->pStretchDIBits)
{ {
heightSrc = dc->funcs->pStretchDIBits(dc->physDev, xDst, yDst, widthDst, heightSrc = dc->funcs->pStretchDIBits(dc->physDev, xDst, yDst, widthDst,
......
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