[PATCH] lineedit: fix M-d, avoid infinite loop

[Cliff Frey]

I'm not 100% sure that this is the best way to fix the issue, but the
issue seems pretty serious and worth fixing.

Easy to test, build with
+CONFIG_FEATURE_EDITING_VI=y
run
  busybox ash
type a word, then ctrl-a, then alt-d

Cliff

>From dc843a12c3ea52d955a8f9216b33e825a9025b43 Mon Sep 17 00:00:00 2001
From: Cliff Frey <cliff at meraki.com>
Date: Sat, 4 Aug 2012 21:19:50 -0700
Subject: [PATCH] lineedit: fix M-d, avoid infinite loop

Signed-off-by: Cliff Frey <cliff at meraki.com>
---
 libbb/lineedit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index b89748a..10bc442 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -2529,7 +2529,7 @@ int FAST_FUNC read_line_input(line_input_t *st,
const char *prompt, char *comman
                                        ctrl_right();
                                        nc = cursor;
                                        input_backward(cursor - sc);
-                                       while (--nc >= cursor)
+                                       while (--nc >= sc)
                                                input_delete(1);
                                        break;
                                }
--
1.7.11.rc3.11.g7dba3f7