add new function gsm_bts_by_lac() to search for BTS based on location area
diff --git a/src/gsm_data.c b/src/gsm_data.c
index f654d90..78f9765 100644
--- a/src/gsm_data.c
+++ b/src/gsm_data.c
@@ -179,3 +179,30 @@
return "undefined";
return bts_types[type];
}
+
+/* Search for a BTS in the given Location Area; optionally start searching
+ * with start_bts (for continuing to search after the first result) */
+struct gsm_bts *gsm_bts_by_lac(struct gsm_network *net, unsigned int lac,
+ struct gsm_bts *start_bts)
+{
+ int i;
+ struct gsm_bts *bts;
+ int skip = 0;
+
+ if (start_bts)
+ skip = 1;
+
+ for (i = 0; i < net->num_bts; i++) {
+ bts = &net->bts[i];
+
+ if (skip) {
+ if (start_bts == bts)
+ skip = 0;
+ continue;
+ }
+
+ if (bts->location_area_code == lac)
+ return bts;
+ }
+ return NULL;
+}