diff --git a/isisd/isis_events.c b/isisd/isis_events.c
index be136e2..a99869b 100644
--- a/isisd/isis_events.c
+++ b/isisd/isis_events.c
@@ -64,19 +64,19 @@
  4w5d: ISIS-Spf (tlt): L2 SPF needed, periodic SPF, from 0x6091C844
 */
 
-void 
+void
 isis_event_circuit_state_change (struct isis_circuit *circuit, int up)
 {
   struct isis_area *area;
-  
+
   area = circuit->area;
   assert (area);
   area->circuit_state_changes++;
-  
-  if (isis->debugs & DEBUG_EVENTS) 
-    zlog_info ("ISIS-Evt (%s) circuit %s", circuit->area->area_tag, 
+
+  if (isis->debugs & DEBUG_EVENTS)
+    zlog_info ("ISIS-Evt (%s) circuit %s", circuit->area->area_tag,
 	       up ? "up" : "down");
-  
+
   /*
    * Regenerate LSPs this affects
    */
@@ -85,47 +85,51 @@
   return;
 }
 
-void 
+void
 isis_event_system_type_change (struct isis_area *area, int newtype)
 {
   struct listnode *node;
   struct isis_circuit *circuit;
 
-  if (isis->debugs & DEBUG_EVENTS) 
-    zlog_info ("ISIS-Evt (%s) system type change %s -> %s", area->area_tag, 
+  if (isis->debugs & DEBUG_EVENTS)
+    zlog_info ("ISIS-Evt (%s) system type change %s -> %s", area->area_tag,
 	       circuit_t2string (area->is_type), circuit_t2string (newtype));
-  
+
   if (area->is_type == newtype)
-    return; /* No change */
-  
-  switch (area->is_type) {
-  case IS_LEVEL_1:
-    if (area->lspdb[1] == NULL)
-      area->lspdb[1] = lsp_db_init (); 
-    lsp_l2_generate (area);
-    break;
-  case IS_LEVEL_1_AND_2:
-    if (newtype == IS_LEVEL_1) {
-      lsp_db_destroy (area->lspdb[1]);
-    } 
-    else {
-      lsp_db_destroy (area->lspdb[0]);
-    } 
-    break;
-  case IS_LEVEL_2:
-    if (area->lspdb[0] == NULL)
-      area->lspdb[0] = lsp_db_init (); 
-    lsp_l1_generate (area);
-    break;
-  default:
-    break;
-  }
-  
+    return;			/* No change */
+
+  switch (area->is_type)
+    {
+    case IS_LEVEL_1:
+      if (area->lspdb[1] == NULL)
+	area->lspdb[1] = lsp_db_init ();
+      lsp_l2_generate (area);
+      break;
+    case IS_LEVEL_1_AND_2:
+      if (newtype == IS_LEVEL_1)
+	{
+	  lsp_db_destroy (area->lspdb[1]);
+	}
+      else
+	{
+	  lsp_db_destroy (area->lspdb[0]);
+	}
+      break;
+    case IS_LEVEL_2:
+      if (area->lspdb[0] == NULL)
+	area->lspdb[0] = lsp_db_init ();
+      lsp_l1_generate (area);
+      break;
+    default:
+      break;
+    }
+
   area->is_type = newtype;
-  for (node = listhead (area->circuit_list); node; nextnode (node)) {
-    circuit = getdata (node);
-    isis_event_circuit_type_change (circuit, newtype);
-  }
+  for (node = listhead (area->circuit_list); node; nextnode (node))
+    {
+      circuit = getdata (node);
+      isis_event_circuit_type_change (circuit, newtype);
+    }
 
   spftree_area_init (area);
   lsp_regenerate_schedule (area);
@@ -133,9 +137,7 @@
   return;
 }
 
-
-
-void 
+void
 isis_event_area_addr_change (struct isis_area *area)
 {
 
@@ -146,40 +148,49 @@
 {
   uint32_t interval;
 
-  if (level == 1) {
-    THREAD_TIMER_ON(master, circuit->t_send_psnp[0], send_l1_psnp, circuit,
-        isis_jitter(circuit->psnp_interval[0], PSNP_JITTER));
+  if (level == 1)
+    {
+      THREAD_TIMER_ON (master, circuit->t_send_psnp[0], send_l1_psnp, circuit,
+		       isis_jitter (circuit->psnp_interval[0], PSNP_JITTER));
 
-    if (circuit->circ_type == CIRCUIT_T_BROADCAST) {
-      interval = circuit->hello_multiplier[0] * (circuit->hello_interval[0]); 
-      
-      THREAD_TIMER_ON(master, circuit->u.bc.t_run_dr[0], isis_run_dr_l1,
-						     circuit, interval);
-      
-      THREAD_TIMER_ON(master, circuit->u.bc.t_send_lan_hello[0],
-          send_lan_l1_hello, circuit,
-          isis_jitter(circuit->hello_interval[0], IIH_JITTER));
-      
-      circuit->u.bc.lan_neighs[0] = list_new ();
-    }
-  } else {
-    THREAD_TIMER_ON(master, circuit->t_send_psnp[1], send_l2_psnp, circuit,
-        isis_jitter(circuit->psnp_interval[1], PSNP_JITTER));
+      if (circuit->circ_type == CIRCUIT_T_BROADCAST)
+	{
+	  interval =
+	    circuit->hello_multiplier[0] * (circuit->hello_interval[0]);
 
-    if (circuit->circ_type == CIRCUIT_T_BROADCAST) {
-      interval = circuit->hello_multiplier[1] * (circuit->hello_interval[1]); 
-      
-      THREAD_TIMER_ON(master, circuit->u.bc.t_run_dr[1], isis_run_dr_l2,
-						     circuit, interval);
-      
-      THREAD_TIMER_ON(master, circuit->u.bc.t_send_lan_hello[1],
-          send_lan_l2_hello, circuit,
-          isis_jitter(circuit->hello_interval[1], IIH_JITTER));
-      
-      circuit->u.bc.lan_neighs[1] = list_new ();
+	  THREAD_TIMER_ON (master, circuit->u.bc.t_run_dr[0], isis_run_dr_l1,
+			   circuit, interval);
+
+	  THREAD_TIMER_ON (master, circuit->u.bc.t_send_lan_hello[0],
+			   send_lan_l1_hello, circuit,
+			   isis_jitter (circuit->hello_interval[0],
+					IIH_JITTER));
+
+	  circuit->u.bc.lan_neighs[0] = list_new ();
+	}
     }
-  }
-  
+  else
+    {
+      THREAD_TIMER_ON (master, circuit->t_send_psnp[1], send_l2_psnp, circuit,
+		       isis_jitter (circuit->psnp_interval[1], PSNP_JITTER));
+
+      if (circuit->circ_type == CIRCUIT_T_BROADCAST)
+	{
+	  interval =
+	    circuit->hello_multiplier[1] * (circuit->hello_interval[1]);
+
+	  THREAD_TIMER_ON (master, circuit->u.bc.t_run_dr[1], isis_run_dr_l2,
+			   circuit, interval);
+
+	  THREAD_TIMER_ON (master, circuit->u.bc.t_send_lan_hello[1],
+			   send_lan_l2_hello, circuit,
+			   isis_jitter (circuit->hello_interval[1],
+					IIH_JITTER));
+
+	  circuit->u.bc.lan_neighs[1] = list_new ();
+	}
+    }
+
   return;
 }
 
@@ -187,61 +198,64 @@
 circuit_resign_level (struct isis_circuit *circuit, int level)
 {
   int idx = level - 1;
- 
-  THREAD_TIMER_OFF(circuit->t_send_csnp[idx]);
-  THREAD_TIMER_OFF(circuit->t_send_psnp[idx]);
 
-  if (circuit->circ_type == CIRCUIT_T_BROADCAST) {
-    THREAD_TIMER_OFF(circuit->u.bc.t_send_lan_hello[idx]);
-    THREAD_TIMER_OFF(circuit->u.bc.t_run_dr[idx]);
-    circuit->u.bc.run_dr_elect[idx] = 0;
-  }
-  
+  THREAD_TIMER_OFF (circuit->t_send_csnp[idx]);
+  THREAD_TIMER_OFF (circuit->t_send_psnp[idx]);
+
+  if (circuit->circ_type == CIRCUIT_T_BROADCAST)
+    {
+      THREAD_TIMER_OFF (circuit->u.bc.t_send_lan_hello[idx]);
+      THREAD_TIMER_OFF (circuit->u.bc.t_run_dr[idx]);
+      circuit->u.bc.run_dr_elect[idx] = 0;
+    }
+
   return;
 }
 
-void 
-isis_event_circuit_type_change (struct isis_circuit *circuit, int newtype) 
+void
+isis_event_circuit_type_change (struct isis_circuit *circuit, int newtype)
 {
-  
-  if (isis->debugs & DEBUG_EVENTS) 
-    zlog_info ("ISIS-Evt (%s) circuit type change %s -> %s", 
-	       circuit->area->area_tag, 
-	       circuit_t2string (circuit->circuit_is_type), 
+
+  if (isis->debugs & DEBUG_EVENTS)
+    zlog_info ("ISIS-Evt (%s) circuit type change %s -> %s",
+	       circuit->area->area_tag,
+	       circuit_t2string (circuit->circuit_is_type),
 	       circuit_t2string (newtype));
 
   if (circuit->circuit_is_type == newtype)
-    return; /* No change */
+    return;			/* No change */
 
-  if (!(newtype & circuit->area->is_type)) {
-    zlog_err ("ISIS-Evt (%s) circuit type change - invalid level %s because"
-	      " area is %s", circuit->area->area_tag, 
-	      circuit_t2string (newtype), 
-	      circuit_t2string (circuit->area->is_type));
-    return;
-  }
-    
-  switch (circuit->circuit_is_type) {
-  case IS_LEVEL_1:
-    if (newtype == IS_LEVEL_2)
-      circuit_resign_level (circuit, 1);
-    circuit_commence_level (circuit, 2);
-    break;
-  case IS_LEVEL_1_AND_2:
-    if (newtype == IS_LEVEL_1)
-      circuit_resign_level (circuit, 2);
-    else 
-      circuit_resign_level (circuit, 1);
-    break;
-  case IS_LEVEL_2:
-    if (newtype == IS_LEVEL_1)
-      circuit_resign_level (circuit, 2);
-    circuit_commence_level (circuit, 1);
-    break;
-  default:
-    break;
-  }
-  
+  if (!(newtype & circuit->area->is_type))
+    {
+      zlog_err ("ISIS-Evt (%s) circuit type change - invalid level %s because"
+		" area is %s", circuit->area->area_tag,
+		circuit_t2string (newtype),
+		circuit_t2string (circuit->area->is_type));
+      return;
+    }
+
+  switch (circuit->circuit_is_type)
+    {
+    case IS_LEVEL_1:
+      if (newtype == IS_LEVEL_2)
+	circuit_resign_level (circuit, 1);
+      circuit_commence_level (circuit, 2);
+      break;
+    case IS_LEVEL_1_AND_2:
+      if (newtype == IS_LEVEL_1)
+	circuit_resign_level (circuit, 2);
+      else
+	circuit_resign_level (circuit, 1);
+      break;
+    case IS_LEVEL_2:
+      if (newtype == IS_LEVEL_1)
+	circuit_resign_level (circuit, 2);
+      circuit_commence_level (circuit, 1);
+      break;
+    default:
+      break;
+    }
+
   circuit->circuit_is_type = newtype;
   lsp_regenerate_schedule (circuit->area);
 
@@ -270,18 +284,19 @@
   *
   * ***********************************************************************/
 
-void 
+void
 isis_event_adjacency_state_change (struct isis_adjacency *adj, int newstate)
 {
   /* adjacency state change event. 
    * - the only proto-type was supported */
-  
-  /* invalid arguments */ 
-  if ( !adj || !adj->circuit || !adj->circuit->area ) return;     
-  
-  zlog_info ("ISIS-Evt (%s) Adjacency State change", 
-	     adj->circuit->area->area_tag );
-  
+
+  /* invalid arguments */
+  if (!adj || !adj->circuit || !adj->circuit->area)
+    return;
+
+  zlog_info ("ISIS-Evt (%s) Adjacency State change",
+	     adj->circuit->area->area_tag);
+
   /* LSP generation again */
   lsp_regenerate_schedule (adj->circuit->area);
 
@@ -294,27 +309,26 @@
 isis_event_dis_status_change (struct thread *thread)
 {
   struct isis_circuit *circuit;
-  
+
   circuit = THREAD_ARG (thread);
-  
+
   /* invalid arguments */
-  if (!circuit || !circuit->area) return 0;
-  
+  if (!circuit || !circuit->area)
+    return 0;
+
   zlog_info ("ISIS-Evt (%s) DIS status change", circuit->area->area_tag);
 
   /* LSP generation again */
   lsp_regenerate_schedule (circuit->area);
-  
+
   return 0;
 }
 
-
-void 
-isis_event_auth_failure (char *area_tag, char *error_string, char *sysid) 
+void
+isis_event_auth_failure (char *area_tag, char *error_string, char *sysid)
 {
   zlog_info ("ISIS-Evt (%s) Authentication failure %s from %s",
 	     area_tag, error_string, sysid_print (sysid));
-  
+
   return;
 }
-