From: Xueming Li <xuemingl@mellanox.com>
Date: Thu, 7 Dec 2017 14:52:02 +0000 (+0800)
Subject: cmdline: support backspace key
X-Git-Tag: spdx-start~695
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=c89dc62533ac3b8a09e3b9f07a2aa1780ac7118a;p=dpdk.git

cmdline: support backspace key

Support windows putty "\b"(Ctrl-H) backspace key.

Signed-off-by: Xueming Li <xuemingl@mellanox.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
---

diff --git a/lib/librte_cmdline/cmdline_rdline.c b/lib/librte_cmdline/cmdline_rdline.c
index 1ef2258d00..a1aa88c963 100644
--- a/lib/librte_cmdline/cmdline_rdline.c
+++ b/lib/librte_cmdline/cmdline_rdline.c
@@ -331,6 +331,7 @@ rdline_char_in(struct rdline *rdl, char c)
 
 		/* delete 1 char from the left */
 		case CMDLINE_KEY_BKSPACE:
+		case CMDLINE_KEY_BKSPACE2:
 			if(!cirbuf_del_tail_safe(&rdl->left)) {
 				rdline_puts(rdl, vt100_bs);
 				display_right_buffer(rdl, 1);
diff --git a/lib/librte_cmdline/cmdline_vt100.c b/lib/librte_cmdline/cmdline_vt100.c
index a253e8b6c5..c7b8e60bd0 100644
--- a/lib/librte_cmdline/cmdline_vt100.c
+++ b/lib/librte_cmdline/cmdline_vt100.c
@@ -95,6 +95,7 @@ const char *cmdline_vt100_commands[] = {
 	"\020",
 	"\016",
 	"\033\144",
+	vt100_bs,
 };
 
 void
diff --git a/lib/librte_cmdline/cmdline_vt100.h b/lib/librte_cmdline/cmdline_vt100.h
index 963add8df9..b94b24e8ce 100644
--- a/lib/librte_cmdline/cmdline_vt100.h
+++ b/lib/librte_cmdline/cmdline_vt100.h
@@ -117,6 +117,7 @@ extern "C" {
 #define CMDLINE_KEY_CTRL_P 23
 #define CMDLINE_KEY_CTRL_N 24
 #define CMDLINE_KEY_META_D 25
+#define CMDLINE_KEY_BKSPACE2 26
 
 extern const char *cmdline_vt100_commands[];