From 5f2ff00773b7903eaec8284c5e50bae42392be55 Mon Sep 17 00:00:00 2001
From: Debajit Ghosh <debajit@google.com>
Date: Tue, 1 Sep 2009 22:20:31 -0700
Subject: [PATCH] fixing NPE that i see on my Mac when running idegen.sh

---
 tools/idegen/src/Configuration.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/idegen/src/Configuration.java b/tools/idegen/src/Configuration.java
index 392cb5d26..2f800b11a 100644
--- a/tools/idegen/src/Configuration.java
+++ b/tools/idegen/src/Configuration.java
@@ -123,7 +123,11 @@ public class Configuration {
          */
 
         boolean firstJavaFile = true;
-        for (File file : directory.listFiles()) {
+	File[] files = directory.listFiles();
+	if (files == null) {
+	    return;
+	}
+        for (File file : files) {
             // Trim preceding "./" from path.
             String path = file.getPath().substring(2);