From 0df3c162fba0233030674f76162fb0131dbddcc5 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 17 Nov 2005 15:44:43 -0500
Subject: [PATCH] BUG: Do not dereference an end iterator.

---
 Source/cmCTest.cxx       | 2 +-
 Source/cmSystemTools.cxx | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Source/cmCTest.cxx b/Source/cmCTest.cxx
index e9e84b513..1e079b923 100644
--- a/Source/cmCTest.cxx
+++ b/Source/cmCTest.cxx
@@ -1070,7 +1070,7 @@ int cmCTest::RunTest(std::vector<const char*> argv,
     }
 
   cmsysProcess_WaitForExit(cp, 0);
-  if(output)
+  if(output && tempOutput.begin() != tempOutput.end())
     {
     output->append(&*tempOutput.begin(), tempOutput.size());
     }
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index 0621ba22b..623a0f917 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -507,7 +507,7 @@ bool cmSystemTools::RunSingleCommand(
     }
   
   cmsysProcess_WaitForExit(cp, 0);
-  if ( output )
+  if ( output && tempOutput.begin() != tempOutput.end())
     {
     output->append(&*tempOutput.begin(), tempOutput.size());
     }