From 41a751c90c9d39db764308aeba476db593b9b6e1 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Thu, 8 Nov 2018 02:07:08 +0100
Subject: [PATCH] Minor tweak to /bin/kill.

---
 Userland/kill.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Userland/kill.cpp b/Userland/kill.cpp
index 10cc9c1b62..7da6429270 100644
--- a/Userland/kill.cpp
+++ b/Userland/kill.cpp
@@ -6,6 +6,10 @@
 
 static unsigned parseUInt(const String& str, bool& ok)
 {
+    if (str.isEmpty()) {
+        ok = false;
+        return 0;
+    }
     unsigned value = 0;
     for (size_t i = 0; i < str.length(); ++i) {
         if (str[i] < '0' || str[i] > '9') {
@@ -38,13 +42,13 @@ int main(int argc, char** argv)
             print_usage_and_exit();
         signum = parseUInt(&argv[1][1], ok);
         if (!ok) {
-            printf("%s is not a valid signal number\n", &argv[1][1]);
+            printf("'%s' is not a valid signal number\n", &argv[1][1]);
             return 2;
         }
     }
     unsigned pid = parseUInt(argv[pid_argi], ok);
     if (!ok) {
-        printf("%s is not a valid PID\n", argv[pid_argi]);
+        printf("'%s' is not a valid PID\n", argv[pid_argi]);
         return 3;
     }