lib: catch exceptions in n_m_get_filenames

This is essentially copied from the change to notmuch_message_get_filename

2 files changed, 8 insertions, 1 deletions

diff --git a/lib/message.cc b/lib/message.cc
index 1a9eaffe..8e43a393 100644
--- a/lib/message.cc
+++ b/lib/message.cc
@@ -1143,7 +1143,12 @@ notmuch_message_get_filename (notmuch_message_t *message)
 notmuch_filenames_t *
 notmuch_message_get_filenames (notmuch_message_t *message)
 {
-    _notmuch_message_ensure_filename_list (message);
+    try {
+	_notmuch_message_ensure_filename_list (message);
+    } catch (Xapian::Error &error) {
+	LOG_XAPIAN_EXCEPTION (message, error);
+	return NULL;
+    }
 
     return _notmuch_filenames_create (message, message->filename_list);
 }
diff --git a/lib/notmuch.h b/lib/notmuch.h
index 5c17ec7c..e544aafd 100644
--- a/lib/notmuch.h
+++ b/lib/notmuch.h
@@ -1448,6 +1448,8 @@ notmuch_message_get_filename (notmuch_message_t *message);
  *
  * Each filename in the iterator is an absolute filename, (the initial
  * component will match notmuch_database_get_path() ).
+ *
+ * This function returns NULL if it triggers a Xapian exception.
  */
 notmuch_filenames_t *
 notmuch_message_get_filenames (notmuch_message_t *message);