create a static global logger as a default logger. For now this logs everything on stderr.

include/tr/logger.h

@@ -54,6 +54,8 @@ TR_CLASS(TR_LoggerSyslog) {
 	TR_EXTENDS(TR_Logger);
 };
 
+extern TR_Logger TR_logger;
+
 #endif // __TR_LOGGER_H__
 
 // vim: set ts=4 sw=4:

src/stderr.c

@@ -36,4 +36,7 @@ logStderr(void * this, TR_logger_level level, const char * const msg)
 TR_INIT_IFACE(TR_Logger, logStderr);
 TR_CREATE_CLASS(TR_LoggerStderr, TR_Logger, TR_IF(TR_Logger));
 
+TR_INSTANCE(TR_LoggerStderr, TR_debugConlogger, {TR_LOGGER_DEBUG});
+TR_Logger TR_logger = TR_INSTANCE_CAST(TR_Logger, TR_debugConlogger);
+
 // vim: set ts=4 sw=4: