Catch REPORT_DISSECTOR_BUG() calls in dissector registration routines.

Have epan_init() return a success/failure Boolean indication.  Catch
exceptions when calling the dissector registration routines and, if we
get one, report the error and return a failure indication.

If epan_init() fails, quit, but first make sure the reported error is
displayed.

Change-Id: I0300cbb1f66a5644f857a205235124909d684c50
Reviewed-on: https://code.wireshark.org/review/11340
Reviewed-by: Guy Harris <guy@alum.mit.edu>

1 files changed, 5 insertions, 2 deletions

diff --git a/wireshark-qt.cpp b/wireshark-qt.cpp
index acfa7083a3..8e4e463330 100644
--- a/wireshark-qt.cpp
+++ b/wireshark-qt.cpp
@@ -836,8 +836,11 @@ DIAG_ON(cast-qual)
        "-G" flag, as the "-G" flag dumps information registered by the
        dissectors, and we must do it before we read the preferences, in
        case any dissectors register preferences. */
-    epan_init(register_all_protocols,register_all_protocol_handoffs,
-              splash_update, NULL);
+    if (!epan_init(register_all_protocols,register_all_protocol_handoffs,
+                   splash_update, NULL)) {
+        SimpleDialog::displayQueuedMessages(main_w);
+        return 2;
+    }
 
     splash_update(RA_LISTENERS, NULL, NULL);