From 9afd3392ed1e604187cce7ba6e4341e182f24fc0 Mon Sep 17 00:00:00 2001
From: Doug MacEachern <dougm@hyperic.com>
Date: Mon, 9 May 2005 23:32:40 +0000
Subject: [PATCH] check for null line

---
 bindings/java/src/net/hyperic/sigar/util/Getline.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/bindings/java/src/net/hyperic/sigar/util/Getline.java b/bindings/java/src/net/hyperic/sigar/util/Getline.java
index 414fd3dd..b5b1e771 100644
--- a/bindings/java/src/net/hyperic/sigar/util/Getline.java
+++ b/bindings/java/src/net/hyperic/sigar/util/Getline.java
@@ -52,7 +52,7 @@ public class Getline {
         //XXX provide pure-java fallback
         String line = getline(prompt);
         if (addToHistory) {
-            histadd(line);
+            addToHistory(line);
         }
         return line;
     }
@@ -64,6 +64,11 @@ public class Getline {
     }
 
     public void addToHistory(String line) {
+        if ((line == null) ||
+            (line.length() == 0))
+        {
+            return;
+        }
         histadd(line);
     }
 }