From 7a3110962cd1482793a9912fa14e5d9961e9f01a Mon Sep 17 00:00:00 2001
From: "peng.wang@smartm.com" peng.wang@smartm.com Date: Mon, 3 May 2021 23:53:29 -0700 Subject: [PATCH] cli: Fix command line underrun
This patch adds a column position check to fix the cli issue that backspace doesn't stop at the prompt.
Signed-off-by: peng.wang@smartm.com peng.wang@smartm.com --- common/cli_readline.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/common/cli_readline.c b/common/cli_readline.c index c7614a4c90..bce670733f 100644 --- a/common/cli_readline.c +++ b/common/cli_readline.c @@ -45,8 +45,10 @@ static char *delete_char (char *buffer, char *p, int *colp, int *np, int plen) } } } else { - puts(erase_seq); - (*colp)--; + if (*colp > plen) { + puts(erase_seq); + (*colp)--; + } } (*np)--;