Harald Welte | 908085c | 2014-10-01 16:18:11 +0800 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | #include <stdint.h> |
| 3 | #include <stdlib.h> |
| 4 | #include <string.h> |
| 5 | |
| 6 | #include <osmocom/gsm/apn.h> |
| 7 | |
| 8 | #define APN_OI_GPRS_FMT "mnc%03u.mcc%03u.gprs" |
| 9 | #define APN_GPRS_FMT "%s.mnc%03u.mcc%03u.gprs" |
| 10 | |
| 11 | static char apn_strbuf[APN_MAXLEN+1]; |
| 12 | |
| 13 | char *osmo_apn_qualify(unsigned int mcc, unsigned int mnc, const char *ni) |
| 14 | { |
| 15 | snprintf(apn_strbuf, sizeof(apn_strbuf)-1, APN_GPRS_FMT, |
| 16 | ni, mnc, mcc); |
| 17 | apn_strbuf[sizeof(apn_strbuf)-1] = '\0'; |
| 18 | |
| 19 | return apn_strbuf; |
| 20 | } |
| 21 | |
| 22 | char *osmo_apn_qualify_from_imsi(const char *imsi, |
| 23 | const char *ni, int have_3dig_mnc) |
| 24 | { |
| 25 | char cbuf[3+1], nbuf[3+1]; |
| 26 | |
| 27 | strncpy(cbuf, imsi, 3); |
| 28 | cbuf[3] = '\0'; |
| 29 | |
| 30 | if (have_3dig_mnc) { |
| 31 | strncpy(nbuf, imsi+3, 3); |
| 32 | nbuf[3] = '\0'; |
| 33 | } else { |
| 34 | strncpy(nbuf, imsi+3, 2); |
| 35 | nbuf[2] = '\0'; |
| 36 | } |
| 37 | return osmo_apn_qualify(atoi(cbuf), atoi(nbuf), ni); |
| 38 | } |