move string_format to class

DCSHandler.cpp

@@ -852,7 +852,7 @@ void CDCSHandler::writeStatus(std::ofstream& file)
 				case DIR_OUTGOING:
 					if (reflector->m_linkState == DCS_LINKED) {
 						std::string text;
-						text = string_format("%04d-%02d-%02d %02d:%02d:%02d: DCS link - Type: Repeater Rptr: %s Refl: %s Dir: Outgoing\n",
+						text = CStringUtils::string_format("%04d-%02d-%02d %02d:%02d:%02d: DCS link - Type: Repeater Rptr: %s Refl: %s Dir: Outgoing\n",
 							tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, 
 							reflector->m_repeater.c_str(), GET_DISP_REFLECTOR(reflector).c_str());
 						file << text;
@@ -862,7 +862,7 @@ void CDCSHandler::writeStatus(std::ofstream& file)
 				case DIR_INCOMING:
 					if (reflector->m_linkState == DCS_LINKED) {
 						std::string text;
-						text = string_format("%04d-%02d-%02d %02d:%02d:%02d: DCS link - Type: Repeater Rptr: %s Refl: %s Dir: Incoming\n",
+						text = CStringUtils::string_format("%04d-%02d-%02d %02d:%02d:%02d: DCS link - Type: Repeater Rptr: %s Refl: %s Dir: Incoming\n",
 							tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, 
 							reflector->m_repeater.c_str(), GET_DISP_REFLECTOR(reflector).c_str());
 						file << text;

DDHandler.cpp

@@ -387,7 +387,7 @@ void CDDHandler::writeStatus(const CEthernet& ethernet)
 	time_t timeNow = ::time(NULL);
 	struct tm* tm = ::gmtime(&timeNow);
 
-	std::string text = string_format("%04d-%02d-%02d %02d:%02d:%02d: %02X:%02X:%02X:%02X:%02X:%02X %s\n",
+	std::string text = CStringUtils::string_format("%04d-%02d-%02d %02d:%02d:%02d: %02X:%02X:%02X:%02X:%02X:%02X %s\n",
 		tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec,
 		address[0], address[1], address[2], address[3], address[4], address[5],	callsign.c_str());