From b8794a4b06ebfa17fe78674a0a6731e328919104 Mon Sep 17 00:00:00 2001
From: Mook <marky@activestate.com>
Date: Fri, 26 Oct 2012 13:43:14 -0700
Subject: cocoa: avoid dividing by zero when setting vertical scroll position

---
 cocoa/ScintillaCocoa.mm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cocoa/ScintillaCocoa.mm b/cocoa/ScintillaCocoa.mm
index 64981d9d6..fac9a0bc1 100644
--- a/cocoa/ScintillaCocoa.mm
+++ b/cocoa/ScintillaCocoa.mm
@@ -1522,7 +1522,8 @@ void ScintillaCocoa::SetVerticalScrollPos()
   
   // Convert absolute coordinate into the range [0..1]. Keep in mind that the visible area
   // does *not* belong to the scroll range.
-  float relativePosition = (float) topLine / MaxScrollPos();
+  int maxScrollPos = MaxScrollPos();
+  float relativePosition = (maxScrollPos > 0) ? ((float) topLine / maxScrollPos) : 0f;
   [topContainer setVerticalScrollPosition: relativePosition];
 }
 
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