chansrv: check for nil

sesman/chansrv/chansrv.c

@@ -38,8 +38,7 @@
 static struct trans *g_lis_trans = 0;
 static struct trans *g_con_trans = 0;
 static struct trans *g_api_lis_trans = 0;
-static struct list *g_api_con_trans_list = 0;
+static struct list *g_api_con_trans_list = 0; /* list of apps using api functions */
-//static struct trans *g_api_con_trans = 0;
 static struct chan_item g_chan_items[32];
 static int g_num_chan_items = 0;
 static int g_cliprdr_index = -1;
@@ -807,10 +806,13 @@ my_api_trans_data_in(struct trans *trans)
         return 0;
     }
 
+    if (g_api_con_trans_list != 0)
+    {
         if (list_index_of(g_api_con_trans_list, (tintptr) trans) == -1)
         {
             return 1;
         }
+    }
 
     LOGM((LOG_LEVEL_DEBUG, "my_api_trans_data_in:"));
 
@@ -1185,6 +1187,8 @@ channel_thread_loop(void *in_val)
                                    wobjs, &num_wobjs);
             trans_get_wait_objs(g_api_lis_trans, objs, &num_objs);
 
+            if (g_api_con_trans_list != 0)
+            {
                 for (index = g_api_con_trans_list->count - 1; index >= 0; index--)
                 {
                     ltran = (struct trans *) list_get_item(g_api_con_trans_list, index);
@@ -1193,6 +1197,7 @@ channel_thread_loop(void *in_val)
                         trans_get_wait_objs(ltran, objs, &num_objs);
                     }
                 }
+            }
 
             xcommon_get_wait_objs(objs, &num_objs, &timeout);
             sound_get_wait_objs(objs, &num_objs, &timeout);