sync base with whitengold team repo

engine/server/application/TaskManager/src/win32/EnvironmentVariable.cpp

@@ -0,0 +1,33 @@
+#include "FirstTaskManager.h"
+
+namespace EnvironmentVariable
+{
+	bool addToEnvironmentVariable(const char* key, const char* value)
+	{
+		bool retval = false;
+		char oldValue[256];
+		DWORD tmp = GetEnvironmentVariable(key, oldValue, sizeof(oldValue));
+		if (tmp != 0)
+		{
+			std::string s(oldValue);
+			s += ";";
+			s += value;
+			
+			//Bad things happen if the first character happens to be ; (ie from an empty environment string)
+			const char* newValue = s.c_str();
+			if (newValue[0] == ';')
+				++newValue;
+			
+			retval = (SetEnvironmentVariable(key, newValue) != 0);
+		}
+		else
+		{
+			retval = (SetEnvironmentVariable(key, value) != 0);
+		}
+		return retval;
+	}
+	bool setEnvironmentVariable(const char* key, const char* value)
+	{
+		return (SetEnvironmentVariable(key, value) != 0);
+	}
+};