From 1a6cac9d66206e5002e72fffb87c13d5eb3ffda1 Mon Sep 17 00:00:00 2001
From: Ichthyostega <prg@ichthyostega.de>
Date: Wed, 27 Dec 2017 01:57:15 +0100
Subject: [PATCH] UI-Coordinates: fix potential segfault

...when truncating to a position within the inline part, yet behind the actual end
---
 src/lib/path-array.hpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/lib/path-array.hpp b/src/lib/path-array.hpp
index c496e26bd..d4ea77d32 100644
--- a/src/lib/path-array.hpp
+++ b/src/lib/path-array.hpp
@@ -484,8 +484,9 @@ namespace lib {
             {
               Literal* end = elms_.end();
               Literal* pos = getPosition(newSize);
-              for ( ; pos!=end; ++pos)
-                setContent (pos, nullptr);
+              if (pos)
+                for ( ; pos!=end; ++pos)
+                  setContent (pos, nullptr);
               tail_.resizeTo (0);
             }
           else