From 56ef6c12233001933f765f1c24264d627b2e52a2 Mon Sep 17 00:00:00 2001
From: Jeroen van Erp <jeroen@hierynomus.com>
Date: Wed, 19 Feb 2020 10:27:00 +0100
Subject: [PATCH] Fix divide by zero in trace logging (Fixes #550) (#561)

---
 .../java/net/schmizz/sshj/xfer/LoggingTransferListener.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/java/net/schmizz/sshj/xfer/LoggingTransferListener.java b/src/main/java/net/schmizz/sshj/xfer/LoggingTransferListener.java
index 50798a5d..34a1fe2e 100644
--- a/src/main/java/net/schmizz/sshj/xfer/LoggingTransferListener.java
+++ b/src/main/java/net/schmizz/sshj/xfer/LoggingTransferListener.java
@@ -54,7 +54,11 @@ public class LoggingTransferListener
             public void reportProgress(long transferred)
                     throws IOException {
                 if (log.isTraceEnabled()) {
-                    log.trace("transferred {}% of `{}`", ((transferred * 100) / size), path);
+                    long percent = 100;
+                    if (size > 0) {
+                        percent = (transferred * 100)/size;
+                    }
+                    log.trace("transferred {}% of `{}`", percent, path);
                 }
             }
         };