Default logfile can be set to /dev/null on Linux to disable file logging. Supposedly NUL on Windows will work the same way.

main.cpp

@@ -24,6 +24,11 @@ int main()
 {
     LOGLEVEL(jlog::severity::debug); // <- see jlog::severity for full list of log levels
     CONSOLELOGGING(true); // <- Set to true or false to enable/disable logging to console. Useful for release builds of a program.
+#ifdef _WIN32
+    jlog::set_default_logfile("NUL")
+#else
+    jlog::set_default_logfile("/dev/null");
+#endif
 
     INFO("This is barely useful information.");
     DEBUG("Debugging Information");