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adding more check

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svn path=/trunk/; revision=26753
This commit is contained in:
Magnus Olsen 2007-05-13 13:14:54 +00:00
parent 393d729ca1
commit 85c06f6f40
1 changed files with 9 additions and 1 deletions
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10
reactos/dll/directx/ddraw/Surface/createsurface.c
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@ -34,11 +34,19 @@ Internal_CreateSurface( LPDDRAWI_DIRECTDRAW_INT pDDraw, LPDDSURFACEDESC2 pDDSD,
/* check if pDDSD.dwFlags DDSD_LPSURFACE is set or not */
if (pDDSD->dwFlags & DDSD_LPSURFACE)
{
if (pDDSD->ddsCaps.dwCaps & ( DDSCAPS_COMPLEX | DDSCAPS_RESERVED2 | DDSCAPS_RESERVED3 |
DDSCAPS_VIDEOPORT | DDSCAPS_PRIMARYSURFACE | DDSCAPS_OVERLAY ))
{
return DDERR_INVALIDCAPS;
}
/*
* DDSD_LPSURFACE flag is set now we start vaildate see if
* pDDSD->lpSurface are a pointer or not
*/
if (IsBadReadPtr(pDDSD->lpSurface,sizeof(LPVOID)))
if (IsBadReadPtr(pDDSD->lpSurface,sizeof(LPVOID)) ||
(pDDSD->dwFlags - (pDDSD->dwFlags & DDSD_ALL)))
{
return DDERR_INVALIDPARAMS;
}