Got medieval on another pointless extern. Removed extern struct ipzero

and replaced with two functions:

	void zero_ip(struct in_adder *ip);
	BOOL is_zero_ip(struct in_addr ip);
(This used to be commit 778f5f77a66cda76348a7c6f64cd63afe2bfe077)

3 files changed, 21 insertions, 9 deletions

diff --git a/source3/lib/interface.c b/source3/lib/interface.c
index d2e0b44fd4..a93390e643 100644
--- a/source3/lib/interface.c
+++ b/source3/lib/interface.c
@@ -26,7 +26,6 @@
 static struct iface_struct *probed_ifaces;
 static int total_probed;
 
-struct in_addr ipzero;
 struct in_addr allones_ip;
 struct in_addr loopback_ip;
 
@@ -42,7 +41,7 @@ Try and find an interface that matches an ip. If we cannot, return NULL
 static struct interface *iface_find(struct in_addr ip, BOOL CheckMask)
 {
 	struct interface *i;
-	if (zero_ip(ip)) return local_interfaces;
+	if (is_zero_ip(ip)) return local_interfaces;
 
 	for (i=local_interfaces;i;i=i->next)
 		if (CheckMask) {
@@ -104,8 +103,8 @@ static void interpret_interface(char *token)
 	char *p;
 	int i, added=0;
 
-	ip = ipzero;
-	nmask = ipzero;
+        zero_ip(&ip);
+        zero_ip(&nmask);
 	
 	/* first check if it is an interface name */
 	for (i=0;i<total_probed;i++) {
@@ -172,7 +171,6 @@ void load_interfaces(void)
 
 	ptr = lp_interfaces();
 
-	ipzero = *interpret_addr2("0.0.0.0");
 	allones_ip = *interpret_addr2("255.255.255.255");
 	loopback_ip = *interpret_addr2("127.0.0.1");
 
diff --git a/source3/lib/util.c b/source3/lib/util.c
index dc948a406b..01fb51d5a2 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -841,13 +841,27 @@ struct in_addr *interpret_addr2(const char *str)
 /*******************************************************************
   check if an IP is the 0.0.0.0
   ******************************************************************/
-BOOL zero_ip(struct in_addr ip)
+BOOL is_zero_ip(struct in_addr ip)
 {
   uint32 a;
   putip((char *)&a,(char *)&ip);
   return(a == 0);
 }
 
+/* Set an IP to 0.0.0.0 */
+
+void zero_ip(struct in_addr *ip)
+{
+        static BOOL init;
+        static struct in_addr ipzero;
+
+        if (!init) {
+                ipzero = *interpret_addr2("0.0.0.0");
+                init = True;
+        }
+
+        *ip = ipzero;
+}
 
 #if (defined(HAVE_NETGROUP) && defined(WITH_AUTOMOUNT))
 /******************************************************************
diff --git a/source3/lib/wins_srv.c b/source3/lib/wins_srv.c
index 5a9b065008..92cd51d8bb 100644
--- a/source3/lib/wins_srv.c
+++ b/source3/lib/wins_srv.c
@@ -209,11 +209,11 @@ struct in_addr wins_srv_ip( void )
     if( now >= entry->mourning )        /* Found a live one. */
       {
       /* If we don't have the IP, look it up. */
-      if( zero_ip( entry->ip_addr ) )
+      if( is_zero_ip( entry->ip_addr ) )
         entry->ip_addr = *interpret_addr2( entry->server );
 
       /* If we still don't have the IP then kill it, else return it. */
-      if( zero_ip( entry->ip_addr ) )
+      if( is_zero_ip( entry->ip_addr ) )
         entry->mourning = now + NECROMANCYCLE;
       else
         return( entry->ip_addr );
@@ -278,7 +278,7 @@ void wins_srv_died( struct in_addr boothill_ip )
   {
   list_entry *entry;
 
-  if( zero_ip( boothill_ip ) )
+  if( is_zero_ip( boothill_ip ) )
     {
     DEBUG( 4, ("wins_srv_died(): Invalid request to mark zero IP down.\n") );
     return;