diff options
| -rw-r--r-- | src/uscxml/interpreter/Logging.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/uscxml/interpreter/Logging.cpp b/src/uscxml/interpreter/Logging.cpp index 0b3caac..29fc0a0 100644 --- a/src/uscxml/interpreter/Logging.cpp +++ b/src/uscxml/interpreter/Logging.cpp @@ -58,11 +58,16 @@ void Logger::log(LogSeverity severity, const std::string& message) { } StreamLogger Logger::log(LogSeverity severity) { + // older c++ compilers will invoke the copy constructor and destructor here! return StreamLogger(severity, _impl); } StreamLogger::~StreamLogger() { - _logger->log(_severity, ss.str()); + ss.seekg(0, std::ios::end); + // only log if there is something in the string to solve issue with destructor being called twice + if (ss.tellg() > 0) { + _logger->log(_severity, ss.str()); + } } std::shared_ptr<LoggerImpl> Logger::getImpl() const { |