gsm48: factor out MCC+MNC BCD parsing for re-use in UMTS
For 3G, I need a BCD composer/parser similar to gsm48_generate_lai()/
gsm48_decode_lai(). Those functions also handle a trivial extra
member (lac) which I don't need in this way for 3G.
So create new functions to take on the MCC+MNC BCD handling and call those
from gsm48_generate_lai() and gsm48_decode_lai(). In this way, the 3G code
in openbsc can use only the BCD functionality without code duplication.
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 7eebe7f..0aeefbb 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -138,6 +138,8 @@
gsm48_parse_ra;
gsm48_rr_att_tlvdef;
gsm48_mi_type_name;
+gsm48_mcc_mnc_to_bcd;
+gsm48_mcc_mnc_from_bcd;
gsm_7bit_decode;
gsm_7bit_decode_ussd;