From d4b7b924925283e5cf17f1b929d22b3d700ed68b Mon Sep 17 00:00:00 2001
From: marprok <mariosprokopakis@gmail.com>
Date: Tue, 20 Aug 2019 20:59:55 +0300
Subject: [PATCH] Userland: ls division by zero.

When the terminal app window became smaller than the longest filename,
a division by zero occured while calculating the offset.
---
 Userland/ls.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Userland/ls.cpp b/Userland/ls.cpp
index 6e94e6de6e..bbd250614e 100644
--- a/Userland/ls.cpp
+++ b/Userland/ls.cpp
@@ -272,7 +272,9 @@ int do_file_system_object_short(const char* path)
 
         if (!print_filesystem_object_short(pathbuf, name.characters(), &nprinted))
             return 2;
-        int offset = columns % longest_name / (columns / longest_name);
+        int offset = 0;
+        if (columns > longest_name)
+            offset = columns % longest_name / (columns / longest_name);
         /* The offset must be at least 2 because:
 	 * - With each file an aditional char is printed e.g. '@','*'.
 	 * - Each filename must be separated by a space.