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scrollbar: fix integer overflow
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
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src/Scrollbar.zig
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src/Scrollbar.zig
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const bar_height = @max(std.math.divCeil(usize, self.view_size * win.height, self.total) catch unreachable, 1);
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// The row of the last cell of the bottom of the bar
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const bar_bottom = (win.height - 1) - (std.math.divCeil(usize, self.bottom * win.height, self.total) catch unreachable);
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const bar_bottom = (win.height - 1) -| (std.math.divCeil(usize, self.bottom * win.height, self.total) catch unreachable);
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var i: usize = 0;
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while (i <= bar_height) : (i += 1)