diff options
| -rw-r--r-- | gtk/gtktextview.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c index 4c5f0d233..ad04480d4 100644 --- a/gtk/gtktextview.c +++ b/gtk/gtktextview.c @@ -1894,6 +1894,7 @@ gtk_text_view_queue_scroll (GtkTextView *text_view, gdouble xalign, gdouble yalign) { + const char *mark_name; GtkTextIter iter; GtkTextPendingScroll *scroll; @@ -1906,6 +1907,12 @@ gtk_text_view_queue_scroll (GtkTextView *text_view, scroll->xalign = xalign; scroll->yalign = yalign; + /* We need to verify that the buffer contains the mark, otherwise this + * can lead to data structure corruption later on. + */ + mark_name = gtk_text_mark_get_name (mark); + g_return_if_fail (gtk_text_buffer_get_mark (get_buffer (text_view), mark_name)); + gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, mark); scroll->mark = gtk_text_buffer_create_mark (get_buffer (text_view), |