[common.logging] added create() to test if create() has been called

dune/stuff/common/logging.cc

@@ -27,6 +27,7 @@ namespace Common {
 Logging::Logging()
   : logflags_(LOG_NONE)
   , emptyLogStream_(logflags_)
+  , created_(false)
 {
   streamIDs_.push_back(LOG_ERROR);
   streamIDs_.push_back(LOG_DEBUG);
@@ -72,8 +73,15 @@ void Logging::create(int logflags, const std::string logfile, const std::string
     flagmap_[*it]   = logflags;
     streammap_[*it] = new FileLogStream(*it, flagmap_[*it], logfile_);
   }
+  created_ = true;
 } // Create
 
+bool Logging::created() const
+{
+  return created_;
+}
+
+
 void Logging::setPrefix(std::string prefix)
 {
   // / begin dtor

dune/stuff/common/logging.hh

@@ -43,6 +43,8 @@ private:
 public:
   ~Logging();
 
+  bool created() const;
+
   /** \brief setup loglevel, logfilename
      *  \param logflags any OR'd combination of flags
      *  \param logfile filename for log, can contain paths, but creation will fail if dir is non-existant
@@ -149,6 +151,7 @@ private:
   // satisfy stricter warnings wrt copying
   Logging(const Logging&);
   Logging& operator=(const Logging&);
+  bool created_;
 };
 
 //! global Logging instance