diff options
| author | Brad King <brad.king@kitware.com> | 2011-12-15 20:45:09 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2011-12-15 20:45:09 (GMT) |
| commit | c544545c6364ed7081d60772505278c9f199ecf8 (patch) | |
| tree | 1e89747c12d0b65fa7f31ea8cec5a6a930893058 /Source | |
| parent | 0a6543d957463f0a7f7a585cc43468174c1204a0 (diff) | |
| download | CMake-c544545c6364ed7081d60772505278c9f199ecf8.zip CMake-c544545c6364ed7081d60772505278c9f199ecf8.tar.gz CMake-c544545c6364ed7081d60772505278c9f199ecf8.tar.bz2 | |
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@thecybershadow.net>
Diffstat (limited to 'Source')
| -rw-r--r-- | Source/kwsys/SystemTools.cxx | 2 |
1 files changed, 1 insertions, 1 deletions
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; } |