From 482c84759fb6df983d519ca2ac61e3c92c0ae7e3 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Fri, 23 Jan 2015 13:14:01 -0500
Subject: KWSys Directory: Check opendir return value before using it (#15367)

In Directory::GetNumberOfFilesInDirectory add a missing check for NULL.
---
 Source/kwsys/Directory.cxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Source/kwsys/Directory.cxx b/Source/kwsys/Directory.cxx
index 741bcba..7041f7b 100644
--- a/Source/kwsys/Directory.cxx
+++ b/Source/kwsys/Directory.cxx
@@ -239,6 +239,11 @@ unsigned long Directory::GetNumberOfFilesInDirectory(const kwsys_stl::string& na
 {
   DIR* dir = opendir(name.c_str());
 
+  if (!dir)
+    {
+    return 0;
+    }
+
   unsigned long count = 0;
   for (dirent* d = readdir(dir); d; d = readdir(dir) )
     {
-- 
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