[Cmake-commits] CMake branch, master, updated. v2.8.6-375-gc544545

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- Log -----------------------------------------------------------------
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=c544545c6364ed7081d60772505278c9f199ecf8
commit c544545c6364ed7081d60772505278c9f199ecf8
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Thu Dec 15 15:45:09 2011 -0500
Commit:     Brad King <brad.king at kitware.com>
CommitDate: Thu Dec 15 15:45:09 2011 -0500

    KWSys: Correctly handle empty environment variables
    
    Fix a crash which occurs when SystemTools::GetPath attempts to process
    an empty environment variable.
    
    Author: Vladimir Panteleev <vladimir at thecybershadow.net>

diff --git a/Source/kwsys/SystemTools.cxx b/Source/kwsys/SystemTools.cxx
index ed7f62c..4d83293 100644
--- a/Source/kwsys/SystemTools.cxx
+++ b/Source/kwsys/SystemTools.cxx
@@ -326,7 +326,7 @@ void SystemTools::GetPath(kwsys_stl::vector<kwsys_stl::string>& path, const char
   kwsys_stl::string pathEnv = cpathEnv;
 
   // A hack to make the below algorithm work.
-  if(pathEnv[pathEnv.length()-1] != ':')
+  if(!pathEnv.empty() && pathEnv[pathEnv.length()-1] != pathSep[0])
     {
     pathEnv += pathSep;
     }

-----------------------------------------------------------------------

Summary of changes:
 Source/kwsys/SystemTools.cxx |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)


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