From bfdab946855486eab0ff2a95264503d814e1dab7 Mon Sep 17 00:00:00 2001
From: howtonotwin
Date: Sat, 4 Apr 2020 07:50:59 -0400
Subject: Fix division by zero (#189)

Resolves #181.---
 src/main/java/cuchaz/enigma/analysis/index/ReferenceIndex.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/main/java/cuchaz')

diff --git a/src/main/java/cuchaz/enigma/analysis/index/ReferenceIndex.java b/src/main/java/cuchaz/enigma/analysis/index/ReferenceIndex.java
index b26b08b0..b6797c21 100644
--- a/src/main/java/cuchaz/enigma/analysis/index/ReferenceIndex.java
+++ b/src/main/java/cuchaz/enigma/analysis/index/ReferenceIndex.java
@@ -97,7 +97,8 @@ public class ReferenceIndex implements JarIndexer {
 	}
 
 	private <K extends Entry<?>, V extends Entry<?>> Multimap<K, V> remapReferences(JarIndex index, Multimap<K, V> multimap) {
-		Multimap<K, V> resolved = HashMultimap.create(multimap.keySet().size(), multimap.size() / multimap.keySet().size());
+		final int keySetSize = multimap.keySet().size();
+		Multimap<K, V> resolved = HashMultimap.create(multimap.keySet().size(), keySetSize == 0 ? 0 : multimap.size() / keySetSize);
 		for (Map.Entry<K, V> entry : multimap.entries()) {
 			resolved.put(remap(index, entry.getKey()), remap(index, entry.getValue()));
 		}
-- 
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