[PATCH 4/5] vnc: add a is_vnc_active() helper

[Amit Shah <amit.shah@xxxxxxxxxx>]

This helper is introduced to query the status of vnc.

Signed-off-by: Amit Shah <amit.shah@xxxxxxxxxx>
---
 vnc.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/vnc.c b/vnc.c
index 5eaef6a..ff2d4a8 100644
--- a/vnc.c
+++ b/vnc.c
@@ -178,9 +178,17 @@ static void do_info_vnc_client(Monitor *mon, VncState *client)
 #endif
 }
 
-void do_info_vnc(Monitor *mon)
+static int is_vnc_active(void)
 {
     if (vnc_display == NULL || vnc_display->display == NULL) {
+        return 0;
+    }
+    return 1;
+}
+
+void do_info_vnc(Monitor *mon)
+{
+    if (!is_vnc_active()) {
         monitor_printf(mon, "Server: disabled\n");
     } else {
         char *serverAddr = vnc_socket_local_addr("     address: %s:%s\n",
-- 
1.6.2.5

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