[USSD] various USSD improvements
- Improved handling of extension-number string (as per review)
- Guard against a buffer-overflow if mobile sends a too-long USSD
- declare some function-parameters const
- fix gsm_ts_name function to display the right BTS number (bts->nr rather than bts->bts_nr)
diff --git a/openbsc/src/gsm_data.c b/openbsc/src/gsm_data.c
index 3464290..60205be 100644
--- a/openbsc/src/gsm_data.c
+++ b/openbsc/src/gsm_data.c
@@ -232,7 +232,7 @@
char *gsm_ts_name(struct gsm_bts_trx_ts *ts)
{
snprintf(ts2str, sizeof(ts2str), "(bts=%d,trx=%d,ts=%d)",
- ts->trx->bts->bts_nr, ts->trx->nr, ts->nr);
+ ts->trx->bts->nr, ts->trx->nr, ts->nr);
return ts2str;
}