miscellaneous hacks/tests

Harald Welte 879625286b checkin of static-buffer-vs-talloc-snprintf ... Context: https://gerrit.osmocom.org/c/osmo-hnbgw/+/33169		2023-06-15 11:29:13 +02:00
snprintf-static-vs-talloc	checkin of static-buffer-vs-talloc-snprintf	2023-06-15 11:29:13 +02:00