Change some comments to reflect the multitude of GeoIP databases.

src/or/geoip.c

@@ -21,7 +21,7 @@
 static void clear_geoip_db(void);
 static void init_geoip_countries(void);
 
-/** An entry from the GeoIP file: maps an IP range to a country. */
+/** An entry from the GeoIP IPv4 file: maps an IPv4 range to a country. */
 typedef struct geoip_ipv4_entry_t {
   uint32_t ip_low; /**< The lowest IP in the range, in host order */
   uint32_t ip_high; /**< The highest IP in the range, in host order */
@@ -56,9 +56,9 @@ static smartlist_t *geoip_ipv4_entries = NULL, *geoip_ipv6_entries = NULL;
 static char geoip_digest[DIGEST_LEN];
 static char geoip6_digest[DIGEST_LEN];
 
-/** Return the index of the <b>country</b>'s entry in the GeoIP DB
- * if it is a valid 2-letter country code, otherwise return -1.
- */
+/** Return the index of the <b>country</b>'s entry in the GeoIP
+ * country list if it is a valid 2-letter country code, otherwise
+ * return -1. */
 country_t
 geoip_get_country(const char *country)
 {
@@ -408,7 +408,7 @@ geoip_get_country_by_addr(const tor_addr_t *addr)
   }
 }
 
-/** Return the number of countries recognized by the GeoIP database. */
+/** Return the number of countries recognized by the GeoIP country list. */
 int
 geoip_get_n_countries(void)
 {
@@ -1641,7 +1641,7 @@ getinfo_helper_geoip(control_connection_t *control_conn,
   return 0;
 }
 
-/** Release all storage held by the GeoIP database. */
+/** Release all storage held by the GeoIP databases and country list. */
 static void
 clear_geoip_db(void)
 {

src/or/routerlist.c

@@ -4790,7 +4790,7 @@ routers_sort_by_identity(smartlist_t *routers)
   smartlist_sort(routers, _compare_routerinfo_by_id_digest);
 }
 
-/** Called when we change a node set, or when we reload the geoip list:
+/** Called when we change a node set, or when we reload the geoip IPv4 list:
  * recompute all country info in all configuration node sets and in the
  * routerlist. */
 void

src/or/routerset.c

@@ -74,7 +74,7 @@ routerset_get_countryname(const char *c)
 }
 
 /** Update the routerset's <b>countries</b> bitarray_t. Called whenever
- * the GeoIP database is reloaded.
+ * the GeoIP IPv4 database is reloaded.
  */
 void
 routerset_refresh_countries(routerset_t *target)