From 046f17a81a26f07d6a24aff7d26e9afe9e45dba0 Mon Sep 17 00:00:00 2001
From: Kevin Lange <klange@yelp.com>
Date: Tue, 28 May 2013 19:01:52 -0700
Subject: [PATCH] ^A and ^E in shell

---
 userspace/core/sh.c | 14 ++++++++++++++
 userspace/lib/kbd.h |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/userspace/core/sh.c b/userspace/core/sh.c
index 15819b95..fbbaa624 100644
--- a/userspace/core/sh.c
+++ b/userspace/core/sh.c
@@ -336,6 +336,20 @@ size_t rline(char * buffer, size_t buf_size, rline_callbacks_t * callbacks) {
 					fflush(stdout);
 				}
 				continue;
+			case KEY_CTRL_A:
+				while (context.offset > 0) {
+					printf("\033[D");
+					context.offset--;
+				}
+				fflush(stdout);
+				continue;
+			case KEY_CTRL_E:
+				while (context.offset < context.collected) {
+					printf("\033[C");
+					context.offset++;
+				}
+				fflush(stdout);
+				continue;
 			case KEY_CTRL_L: /* ^L: Clear Screen, redraw prompt and buffer */
 				printf("\033[H\033[2J");
 				if (callbacks->redraw_prompt) {
diff --git a/userspace/lib/kbd.h b/userspace/lib/kbd.h
index a8710144..dc901ba3 100644
--- a/userspace/lib/kbd.h
+++ b/userspace/lib/kbd.h
@@ -8,7 +8,9 @@
 
 #define KEY_NONE        0
 #define KEY_BACKSPACE   8
+#define KEY_CTRL_A      1
 #define KEY_CTRL_C      3
+#define KEY_CTRL_E      5
 #define KEY_CTRL_L      12
 #define KEY_CTRL_R      18
 #define KEY_ESCAPE      27