From 161c31bc2b282cb168944df85755ff1373c5f8f7 Mon Sep 17 00:00:00 2001
From: Andy Cedilnik <andy.cedilnik@kitware.com>
Date: Thu, 22 Apr 2004 14:11:25 -0400
Subject: ERR: Verify that getenv returned something before using it

---
 Source/kwsys/SystemTools.cxx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Source/kwsys/SystemTools.cxx b/Source/kwsys/SystemTools.cxx
index b7ad66b..63256fc 100644
--- a/Source/kwsys/SystemTools.cxx
+++ b/Source/kwsys/SystemTools.cxx
@@ -169,7 +169,14 @@ void SystemTools::GetPath(kwsys_stl::vector<kwsys_stl::string>& path, const char
     {
     env = "PATH";
     }
-  kwsys_stl::string pathEnv = getenv(env);
+  const char* cpathEnv = SystemTools::GetEnv(env);
+  if ( !cpathEnv )
+    {
+    return;
+    }
+
+  kwsys_stl::string pathEnv = cpathEnv;
+   
   // A hack to make the below algorithm work.  
   if(pathEnv[pathEnv.length()-1] != ':')
     {
-- 
cgit v0.12