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check for data null in createdibitmap #1251

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merged 1 commit into from
Jan 21, 2023
Merged

check for data null in createdibitmap #1251

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2 changes: 1 addition & 1 deletion gdi/gdi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4090,7 +4090,7 @@ HBITMAP16 WINAPI CreateDIBitmap16( HDC16 hdc, const BITMAPINFOHEADER * header,
{
BITMAPINFO *bmp = NULL;
HBITMAP16 ret;
if ((data->bmiHeader.biCompression == BI_RLE4) || (data->bmiHeader.biCompression == BI_RLE8))
if (data && ((data->bmiHeader.biCompression == BI_RLE4) || (data->bmiHeader.biCompression == BI_RLE8)))
{
int hdrsize = data->bmiHeader.biSize + ((data->bmiHeader.biClrUsed ? data->bmiHeader.biClrUsed :
(data->bmiHeader.biBitCount == 4 ? 16 : 256)) * (coloruse == DIB_PAL_COLORS ? 2 : 4));
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