099-fix-compiling-warning.patch

diff -Nur a/rstplib/rolesel.c rstp-2011-10-11/rstplib/rolesel.c
--- a/rstplib/rolesel.c	2018-01-10 13:46:13.647060180 -0800
+++ rstp-2011-10-11/rstplib/rolesel.c	2018-01-10 13:55:47.775074638 -0800
  **********************************************************************/

 /* Port Role Selection state machine : 17.22 */
@@ -59,11 +59,32 @@
   }
 }

+#ifdef STP_DBG
+static const char * role_to_name(PORT_ROLE_T newRole)
+{
+	switch(newRole) {
+	case DisabledPort:
+		return "Disabled";
+	case AlternatePort:
+		return "Alternate";
+	case BackupPort:
+		return  "Backup";
+	case RootPort:
+		return "Root";
+	case DesignatedPort:
+		return "Designated";
+	case NonStpPort:
+		return "NonStp";
+	default:
+		return "Unknow";
+	}
+}
+#endif
+
 static void
 setRoleSelected (char* reason, STPM_T* stpm, PORT_T* port,
                 PORT_ROLE_T newRole)
 {
-  char* new_role_name;

   port->selectedRole = newRole;

@@ -72,22 +93,16 @@

   switch (newRole) {
     case DisabledPort:
-      new_role_name = "Disabled";
       break;
     case AlternatePort:
-      new_role_name = "Alternate";
       break;
     case BackupPort:
-      new_role_name = "Backup";
       break;
     case RootPort:
-      new_role_name = "Root";
       break;
     case DesignatedPort:
-      new_role_name = "Designated";
       break;
     case NonStpPort:
-      new_role_name = "NonStp";
       port->role = newRole;
       break;
     default:
@@ -99,7 +114,7 @@
 #ifdef STP_DBG
   if (port->roletrns->debug)
     stp_trace ("%s(%s-%s) => %s",
-               reason, stpm->name, port->port_name, new_role_name);
+               reason, stpm->name, port->port_name, role_to_name(newRole));
 #endif
 }

@@ -174,10 +189,13 @@
 {               /* 17.19.21 */
   register PORT_T* port;
   register STPM_T* stpm;
+#ifdef STP_DBG
   PORT_ID old_root_port; /* for tracing of root port changing */

-  stpm = this->owner.stpm;
   old_root_port = stpm->rootPortId;
+#endif
+
+  stpm = this->owner.stpm;

   STP_VECT_create (&stpm->rootPrio, &stpm->BrId, 0, &stpm->BrId, 0, 0);
   STP_copy_times (&stpm->rootTimes, &stpm->BrTimes);