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[WIN32K] -NtGdiGetRegionData: prgn->rdh.nRgnSize is the size of kernel mode buffer for the region. After copying it to the caller we should set lpRgnData->rdh.nRgnSize to cjRects.

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svn path=/trunk/; revision=74275
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Giannis Adamopoulos 2017-04-04 10:07:07 +00:00
parent 17ecb5786e
commit e826abc369
1 changed files with 1 additions and 0 deletions
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reactos/win32ss/gdi/ntgdi/region.c
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@ -4105,6 +4105,7 @@ NtGdiGetRegionData(
RtlCopyMemory(lpRgnData, &prgn->rdh, sizeof(RGNDATAHEADER));
RtlCopyMemory(lpRgnData->Buffer, prgn->Buffer, cjRects);
lpRgnData->rdh.iType = RDH_RECTANGLES;
lpRgnData->rdh.nRgnSize = cjRects;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{