util: Fix two corner-cases in boolean term quoting function

[notmuch] / notmuch-show.c

diff --git a/notmuch-show.c b/notmuch-show.c
index 528694be91932aa5b83c77933bfe48ffa8aebde4..d416fbd5ccb73593ec44fd976bd331de0bf13be6 100644 (file)
--- a/notmuch-show.c
+++ b/notmuch-show.c
@@ -1015,9 +1015,13 @@ do_show (void *ctx,
     notmuch_messages_t *messages;
     notmuch_status_t status, res = NOTMUCH_STATUS_SUCCESS;
 
+    threads = notmuch_query_search_threads (query);
+    if (! threads)
+       return 1;
+
     sp->begin_list (sp);
 
-    for (threads = notmuch_query_search_threads (query);
+    for ( ;
         notmuch_threads_valid (threads);
         notmuch_threads_move_to_next (threads))
     {