2005-03-30 Andrew J. Schorr <ajschorr@alumni.princeton.edu>

	* irdp.h: Add prototype for irdp_sock_init, and fix protos for
	  other irdp_* functions.
	* irdp_interface.c: (irdp_if_start) If irdp_sock is negative,
	  call irdp_sock_init to create the IRDP socket.
	  (irdp_if_init) Rename to irdp_init().
	  (get_iflist_ifp) Remove function that is a duplicate of
	  if_lookup_by_index.
	  (*) Make many functions static.  And remove superfluous "\n" from
	  several zlog messages.
	* irdp_main.c: (irdp_init) Remove function that used to call
	  irdp_if_init() and irdp_sock_init(), since we will now create
	  the socket only upon first use.
	  (irdp_sock_init) Do not update global irdp_sock variable, just
	  return the fd and assume that the caller will do so.  If setsockopt
	  calls fail, close the socket before returning -1.
	  (*) Make many functions static.
	* irdp_packet.c: Initialize irdp_sock to -1.
	  (irdp_read_raw) Call standard library function if_lookup_by_index
	  instead of get_iflist_ifp.
	  (irdp_recvmsg) Should be static, not global.
diff --git a/zebra/irdp_packet.c b/zebra/irdp_packet.c
index 2f448ec..74c75ab 100644
--- a/zebra/irdp_packet.c
+++ b/zebra/irdp_packet.c
@@ -66,16 +66,16 @@
 
 /* GLOBAL VARS */
 
-int irdp_sock;
+int irdp_sock = -1;
 char b1[16], b2[16], b3[16], b4[16];  /* For inet_2a */
 
 extern struct zebra_t zebrad;
 extern struct thread *t_irdp_raw;
-extern struct interface *get_iflist_ifp(int idx);
 int in_cksum (void *ptr, int nbytes);
 void process_solicit (struct interface *ifp);
 
-void parse_irdp_packet(char *p, 
+static void
+parse_irdp_packet(char *p, 
 		  int len, 
 		  struct interface *ifp)
 {
@@ -187,7 +187,8 @@
     }
 }
 
-int irdp_recvmsg (int sock, u_char *buf, int size, int *ifindex)
+static int
+irdp_recvmsg (int sock, u_char *buf, int size, int *ifindex)
 {
   struct msghdr msg;
   struct iovec iov;
@@ -239,7 +240,7 @@
  
   if (ret < 0) zlog_warn ("IRDP: RX Error length = %d", ret);
 
-  ifp = get_iflist_ifp(ifindex);
+  ifp = if_lookup_by_index(ifindex);
   if(! ifp ) return ret;
 
   zi= ifp->info;