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