71 Logger *DefaultLogger::m_pLogger = &DefaultLogger::s_pNullLogger;  member in Assimp::DefaultLogger
138     if ( m_pLogger && !isNullLogger() ) {  in create()
139         delete m_pLogger;  in create()
142     m_pLogger = new DefaultLogger( severity );  in create()
147         m_pLogger->attachStream( LogStream::createDefaultStream( aiDefaultLogStream_DEBUGGER ) );  in create()
152         m_pLogger->attachStream( LogStream::createDefaultStream( aiDefaultLogStream_STDOUT ) );  in create()
157         m_pLogger->attachStream( LogStream::createDefaultStream( aiDefaultLogStream_STDERR ) );  in create()
162 …    m_pLogger->attachStream( LogStream::createDefaultStream( aiDefaultLogStream_FILE, name, io ) );  in create()
165     return m_pLogger;  in create()
219     if ( nullptr != m_pLogger && !isNullLogger() ) {  in set()
220         delete m_pLogger;  in set()
223     DefaultLogger::m_pLogger = logger;  in set()
228     return m_pLogger == &s_pNullLogger;  in isNullLogger()
233     return m_pLogger;  in get()
244 	if ( m_pLogger == &s_pNullLogger ) {  in kill()
247     delete m_pLogger;  in kill()
248     m_pLogger = &s_pNullLogger;  in kill()