From 97662f067e4a09fd0bf155608742830484e4158a Mon Sep 17 00:00:00 2001
From: Peter Osterlund <peterosterlund2@gmail.com>
Date: Sun, 11 Jun 2017 21:20:19 +0200
Subject: [PATCH] DroidFish: Secure FEN reader against division by zero.

---
 DroidFish/src/org/petero/droidfish/activities/FENFile.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/DroidFish/src/org/petero/droidfish/activities/FENFile.java b/DroidFish/src/org/petero/droidfish/activities/FENFile.java
index e026afa..e67684a 100644
--- a/DroidFish/src/org/petero/droidfish/activities/FENFile.java
+++ b/DroidFish/src/org/petero/droidfish/activities/FENFile.java
@@ -82,7 +82,7 @@ public class FENFile {
                     continue;
                 FenInfo fi = new FenInfo(fenNo++, line.trim());
                 fensInFile.add(fi);
-                final int newPercent = (int)(filePos * 100 / fileLen);
+                final int newPercent = fileLen == 0 ? 0 : (int)(filePos * 100 / fileLen);
                 if (newPercent > percent) {
                     percent =  newPercent;
                     if (progress != null) {