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Handle PALETTE_LockPalette returning NULL.
Fixes Coverity CIDs 486 and 487. svn path=/trunk/; revision=36578
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@ -62,6 +62,13 @@ IntSetDIBColorTable(HDC hDC, UINT StartIndex, UINT Entries, CONST RGBQUAD *Color
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Entries = (1 << BitmapObj->dib->dsBmih.biBitCount) - StartIndex;
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PalGDI = PALETTE_LockPalette(BitmapObj->hDIBPalette);
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if (PalGDI == NULL)
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{
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BITMAPOBJ_UnlockBitmap(BitmapObj);
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DC_UnlockDc(dc);
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SetLastWin32Error(ERROR_INVALID_HANDLE);
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return 0;
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}
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for (Index = StartIndex;
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Index < StartIndex + Entries && Index < PalGDI->NumColors;
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@ -120,6 +127,13 @@ IntGetDIBColorTable(HDC hDC, UINT StartIndex, UINT Entries, RGBQUAD *Colors)
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Entries = (1 << BitmapObj->dib->dsBmih.biBitCount) - StartIndex;
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PalGDI = PALETTE_LockPalette(BitmapObj->hDIBPalette);
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if (PalGDI == NULL)
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{
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BITMAPOBJ_UnlockBitmap(BitmapObj);
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DC_UnlockDc(dc);
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SetLastWin32Error(ERROR_INVALID_HANDLE);
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return 0;
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}
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for (Index = StartIndex;
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Index < StartIndex + Entries && Index < PalGDI->NumColors;
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