remove sun_path field from isc_netaddr

The sun_path field is not used anymore, and consumes over a hundred
bytes for every isc_netaddr_t object. Remove it.

As isc_netaddr_t is used in cfg_obj_t, in some huge configuration trees
(e.g., a million zones), the gain is almost 1GB of resident memory.

diff --git a/lib/isc/include/isc/netaddr.h b/lib/isc/include/isc/netaddr.h
index 6e7004a9a9985703438bd694a21f37b3c239dfcb..2aa229d218fe36d388cbf544c1c1e2137346bd26 100644 (file)
--- a/lib/isc/include/isc/netaddr.h
+++ b/lib/isc/include/isc/netaddr.h
@@ -32,7 +32,6 @@ struct isc_netaddr {
        union {
                struct in_addr  in;
                struct in6_addr in6;
-               char            un[sizeof(((struct sockaddr_un *)0)->sun_path)];
        } type;
        uint32_t zone;
 };