cosmetic / linking: move str_to_imsi() out of abis_rsl.c

Move to gsm_04_08_utils.c so that it's possible to use it without
linking/stubbing all of RSL.

Change-Id: I6e90831d7e618ce3c8e7417082a82c97f6681668

include/osmocom/bsc/abis_rsl.h

@@ -68,7 +68,6 @@ int rsl_ipacc_pdch_activate(struct gsm_bts_trx_ts *ts, int act);
 
 int abis_rsl_rcvmsg(struct msgb *msg);
 
-uint64_t str_to_imsi(const char *imsi_str);
 int rsl_release_request(struct gsm_lchan *lchan, uint8_t link_id,
 			enum rsl_rel_mode release_mode);
 

include/osmocom/bsc/gsm_04_08_utils.h

@@ -39,3 +39,5 @@ static inline struct msgb *gsm48_msgb_alloc_name(const char *name)
         return msgb_alloc_headroom(GSM48_ALLOC_SIZE, GSM48_ALLOC_HEADROOM,
                                    name);
 }
+
+uint64_t str_to_imsi(const char *imsi_str);

src/osmo-bsc/abis_rsl.c

@@ -167,16 +167,6 @@ static struct gsm_lchan *lchan_lookup(struct gsm_bts_trx *trx, uint8_t chan_nr,
 	return lchan;
 }
 
-/* As per TS 03.03 Section 2.2, the IMSI has 'not more than 15 digits' */
-uint64_t str_to_imsi(const char *imsi_str)
-{
-	uint64_t ret;
-
-	ret = strtoull(imsi_str, NULL, 10);
-
-	return ret;
-}
-
 static struct msgb *rsl_msgb_alloc(void)
 {
 	return msgb_alloc_headroom(RSL_ALLOC_SIZE, RSL_ALLOC_HEADROOM,

src/osmo-bsc/gsm_04_08_utils.c

@@ -703,3 +703,13 @@ int gsm48_paging_extract_mi(struct gsm48_pag_resp *resp, int length,
 	return gsm48_extract_mi(classmark2_lv, length - classmark_offset,
 				mi_string, mi_type);
 }
+
+/* As per TS 03.03 Section 2.2, the IMSI has 'not more than 15 digits' */
+uint64_t str_to_imsi(const char *imsi_str)
+{
+	uint64_t ret;
+
+	ret = strtoull(imsi_str, NULL, 10);
+
+	return ret;
+}

src/osmo-bsc/paging.c

@@ -50,6 +50,7 @@
 #include <osmocom/bsc/gsm_data.h>
 #include <osmocom/bsc/chan_alloc.h>
 #include <osmocom/bsc/bsc_api.h>
+#include <osmocom/bsc/gsm_04_08_utils.h>
 
 void *tall_paging_ctx = NULL;
 

src/osmo-bsc/pcu_sock.c

@@ -43,6 +43,7 @@
 #include <osmocom/bsc/signal.h>
 #include <osmocom/bsc/debug.h>
 #include <osmocom/bsc/abis_rsl.h>
+#include <osmocom/bsc/gsm_04_08_utils.h>
 
 static int pcu_sock_send(struct gsm_bts *bts, struct msgb *msg);
 uint32_t trx_get_hlayer1(struct gsm_bts_trx *trx);