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 <cl...@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 <cl...@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
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