From f44fedd3e9e249d1587b12b01e50725089557c36 Mon Sep 17 00:00:00 2001
From: Andy Cedilnik <andy.cedilnik@kitware.com>
Date: Fri, 17 Mar 2006 10:58:37 -0500
Subject: ENH: Add access for all environment variables

---
 Source/cmSystemTools.cxx | 13 +++++++++++++
 Source/cmSystemTools.h   |  1 +
 2 files changed, 14 insertions(+)

diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index e32fc53..b140e31 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -56,6 +56,8 @@
 # pragma set woff 1375 /* base class destructor not virtual */
 #endif
 
+extern char** environ; // For GetEnvironmentVariables
+
 bool cmSystemTools::s_RunCommandHideConsole = false;
 bool cmSystemTools::s_DisableRunCommandOutput = false;
 bool cmSystemTools::s_ErrorOccured = false;
@@ -1278,6 +1280,17 @@ bool cmSystemTools::PutEnv(const char* value)
   return ret == 0;
 }
 
+std::vector<cmStdString> cmSystemTools::GetEnvironmentVariables()
+{
+  std::vector<cmStdString> env;
+  int cc;
+  for ( cc = 0; environ[cc]; ++ cc )
+    {
+    env.push_back(environ[cc]);
+    }
+  return env;
+}
+
 void cmSystemTools::EnableVSConsoleOutput()
 {
   // Visual Studio 8 2005 (devenv.exe or VCExpress.exe) will not
diff --git a/Source/cmSystemTools.h b/Source/cmSystemTools.h
index fb40e54..c4cb4c2 100644
--- a/Source/cmSystemTools.h
+++ b/Source/cmSystemTools.h
@@ -294,6 +294,7 @@ public:
   /** put a string into the environment
       of the form var=value */
   static bool PutEnv(const char* value);
+  static std::vector<cmStdString> GetEnvironmentVariables();
 
   /** Setup the environment to enable VS 8 IDE output.  */
   static void EnableVSConsoleOutput();
-- 
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