[Qemu-trivial] [PATCH] readline: Clear screen on form feed.

[Hani Benhabiles]

Signed-off-by: Hani Benhabiles <address@hidden>
---
 util/readline.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/util/readline.c b/util/readline.c
index 8baec55..08d07e3 100644
--- a/util/readline.c
+++ b/util/readline.c
@@ -345,6 +345,12 @@ static void readline_completion(ReadLineState *rs)
     }
 }
 
+static void readline_clear_screen(ReadLineState *rs)
+{
+    rs->printf_func(rs->opaque, "\033[2J\033[1;1H");
+    readline_show_prompt(rs);
+}
+
 /* return true if command handled */
 void readline_handle_byte(ReadLineState *rs, int ch)
 {
@@ -363,6 +369,9 @@ void readline_handle_byte(ReadLineState *rs, int ch)
         case 9:
             readline_completion(rs);
             break;
+        case 12:
+            readline_clear_screen(rs);
+            break;
         case 10:
         case 13:
             rs->cmd_buf[rs->cmd_buf_size] = '\0';
-- 
1.8.3.2