From: hpa <hpa>
Date: Fri, 5 Dec 2003 23:48:52 +0000 (+0000)
Subject: Support Ctrl-U -> kill entire input
X-Git-Tag: syslinux-3.11~485
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9ae2ee1a076c55ec6b361d83c19b8cc83702d9dc;p=profile%2Fivi%2Fsyslinux.git

Support Ctrl-U -> kill entire input
---

diff --git a/NEWS b/NEWS
index f2fde65..23a9f86 100644
--- a/NEWS
+++ b/NEWS
@@ -23,6 +23,7 @@ Changes in 2.08:
 	  location 0x5700.  Thus, don't use it!
 	* PXELINUX: Change pathname length max from 63 to 127; change
 	  max vkernels from 128 to 64.
+	* Support Ctrl-U -> kill entire command line input.
 
 Changes in 2.07:
 	* MEMDISK: Workaround for BIOSes which go into a snit when
diff --git a/ui.inc b/ui.inc
index 528d563..f98020c 100644
--- a/ui.inc
+++ b/ui.inc
@@ -104,6 +104,8 @@ not_ascii:	mov byte [FuncFlag],0
 		je command_done
 		cmp al,06h			; <Ctrl-F>
 		je set_func_flag
+		cmp al,15h			; <Ctrl-U>
+		je kill_command			; Kill input line
 		cmp al,16h			; <Ctrl-V>
 		je print_version
 		cmp al,08h			; Backspace
@@ -115,6 +117,10 @@ backspace:	cmp di,command_line		; Make sure there is anything
 		call cwritestr
 		jmp short get_char_2
 
+kill_command:
+		call crlf
+		jmp enter_command
+
 set_func_flag:
 		mov byte [FuncFlag],1
 get_char_2: