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Commit 9dd16f0a authored by Gerard Patel's avatar Gerard Patel Committed by Alexandre Julliard
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Added protection against possible memory corruption.

parent 85692c8c
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......@@ -297,15 +297,18 @@ UINT WINAPI SetDIBColorTable( HDC hdc, UINT startpos, UINT entries,
if (dc->w.bitsPerPixel <= 8) {
palEntry = palette->logpalette.palPalEntry + startpos;
if (startpos + entries > (1 << dc->w.bitsPerPixel)) {
if (startpos + entries > (1 << dc->w.bitsPerPixel))
entries = (1 << dc->w.bitsPerPixel) - startpos;
}
for (end = colors + entries; colors < end; palEntry++, colors++)
{
palEntry->peRed = colors->rgbRed;
palEntry->peGreen = colors->rgbGreen;
palEntry->peBlue = colors->rgbBlue;
}
if (startpos + entries > palette->logpalette.palNumEntries)
entries = palette->logpalette.palNumEntries - startpos;
for (end = colors + entries; colors < end; palEntry++, colors++)
{
palEntry->peRed = colors->rgbRed;
palEntry->peGreen = colors->rgbGreen;
palEntry->peBlue = colors->rgbBlue;
}
} else {
entries = 0;
}
......
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