lineedit: fix Alt-D when cursor==0

Signed-off-by: Cliff Frey <cliff@meraki.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index b89748a1c..92bea856e 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -2527,9 +2527,9 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
                                         /* Delete word forward */
                                         int nc, sc = cursor;
                                         ctrl_right();
-                                        nc = cursor;
-                                        input_backward(cursor - sc);
-                                        while (--nc >= cursor)
+                                        nc = cursor - sc;
+                                        input_backward(nc);
+                                        while (--nc >= 0)
                                                 input_delete(1);
                                         break;
                                 }