If the user asks for the Capture -> Interfaces dialog, and there are no

network interfaces, pop up a dialog saying that, rather than popping up
an empty Interfaces dialog.

svn path=/trunk/; revision=32884

1 files changed, 13 insertions, 3 deletions

diff --git a/gtk/capture_if_dlg.c b/gtk/capture_if_dlg.c
index 2604485a1f..2496b4f450 100644
--- a/gtk/capture_if_dlg.c
+++ b/gtk/capture_if_dlg.c
@@ -622,9 +622,19 @@ capture_if_cb(GtkWidget *w _U_, gpointer d _U_)
   /* LOAD THE INTERFACES */
   if_list = capture_interface_list(&err, &err_str);
   if_list = g_list_sort (if_list, if_list_comparator_alph);
-  if (if_list == NULL && err == CANT_GET_INTERFACE_LIST) {
-    simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s", err_str);
-    g_free(err_str);
+  if (if_list == NULL) {
+    switch (err) {
+
+    case CANT_GET_INTERFACE_LIST:
+      simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s", err_str);
+      g_free(err_str);
+      break;
+
+    case NO_INTERFACES_FOUND:
+      simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
+                    "There are no interfaces on which a capture can be done.");
+      break;
+    }
     return;
   }