[dpdk-dev] [PATCH v1] lib/cmdline: support backspace key

[Xueming Li <xuemingl@mellanox.com>]

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

Signed-off-by: Xueming Li <xuemingl@mellanox.com>
---
 lib/librte_cmdline/cmdline_rdline.c | 1 +
 lib/librte_cmdline/cmdline_vt100.c  | 1 +
 lib/librte_cmdline/cmdline_vt100.h  | 1 +
 3 files changed, 3 insertions(+)

diff --git a/lib/librte_cmdline/cmdline_rdline.c b/lib/librte_cmdline/cmdline_rdline.c
index 1ef2258d0..a1aa88c96 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 a253e8b6c..c7b8e60bd 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 963add8df..b94b24e8c 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[];
 
-- 
2.13.3