X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2Fmessages.c;h=eec0a1622a3fc4fb2961fbddaff8ed222a3c4331;hp=a88f974ff5949bd8d54b886c10949e538ff81909;hb=HEAD;hpb=7ac96b149f5a0e5c03b64856d7c20789dab3c628

diff --git a/lib/messages.c b/lib/messages.c
index a88f974f..eec0a162 100644
--- a/lib/messages.c
+++ b/lib/messages.c
@@ -56,6 +56,15 @@ _notmuch_message_list_add_message (notmuch_message_list_t *list,
     list->tail = &node->next;
 }
 
+bool
+_notmuch_message_list_empty (notmuch_message_list_t *list)
+{
+    if (list == NULL)
+	return TRUE;
+
+    return (list->head == NULL);
+}
+
 notmuch_messages_t *
 _notmuch_messages_create (notmuch_message_list_t *list)
 {
@@ -101,6 +110,18 @@ notmuch_messages_valid (notmuch_messages_t *messages)
     return (messages->iterator != NULL);
 }
 
+bool
+_notmuch_messages_has_next (notmuch_messages_t *messages)
+{
+    if (! notmuch_messages_valid (messages))
+	return false;
+
+    if (! messages->is_of_list_type)
+	INTERNAL_ERROR ("_notmuch_messages_has_next not implemented for msets");
+
+    return (messages->iterator->next != NULL);
+}
+
 notmuch_message_t *
 notmuch_messages_get (notmuch_messages_t *messages)
 {
@@ -162,7 +183,7 @@ notmuch_messages_collect_tags (notmuch_messages_t *messages)
 
     keys = g_hash_table_get_keys (htable);
     for (l = keys; l; l = l->next) {
-	_notmuch_string_list_append (tags, (char *)l->data);
+	_notmuch_string_list_append (tags, (char *) l->data);
     }
 
     g_list_free (keys);