added: SessionContainer special container used by SessionManager

sessions are indexed by id and time (last used time)
changed: old sessions are deleted
       parameter: session_max_iddle in the config file
added: function 'who'


git-svn-id: svn://ttmath.org/publicrep/cmslu/trunk@483 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/misc.cpp

@@ -187,4 +187,24 @@ return out.str();
 
 
 
+const char * DateToStr(int month, int day, int hour, int min, int sec)
+{
+static const char * month_letter[] = { "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX", "X", "XI", "XII" };	
+static char buffer[100];
+
+	--month;
+
+	if( month < 0 )
+			month = 0;
+			
+	if( month > 11 )
+		month = 11;
+
+	sprintf(buffer, "%s.%02d %02d:%02d:%02d", month_letter[month], day, hour, min, sec);
+
+	// warning: not thread safe (we do not use threads)
+	return buffer;
+}
+
+