rc_getline keeps expanding it's malloced buffer until it has read a whole line or EOF. All functions which read into static buffers have been changed to use fhis function to avoid any potential overflows and to ensure we really do read a long long config line.

src/librc/rc.map

@@ -12,6 +12,7 @@ global:
 	rc_deptree_update_needed;
 	rc_environ_fd;
 	rc_find_pids;
+	rc_getline;
 	rc_runlevel_exists;
 	rc_runlevel_get;
 	rc_runlevel_list;