diff options
Diffstat (limited to 'lib/readline/undo.c')
| -rw-r--r-- | lib/readline/undo.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/readline/undo.c b/lib/readline/undo.c index c0ba631..eb042b2 100644 --- a/lib/readline/undo.c +++ b/lib/readline/undo.c @@ -139,6 +139,9 @@ _rl_copy_undo_list (head) { UNDO_LIST *list, *new, *roving, *c; + if (head == 0) + return head; + list = head; new = 0; while (list) |