Re: [PATCH v4] readline: make ctrl-u to work like linux console

[Sascha Hauer]

On Wed, Oct 16, 2019 at 11:56:44PM +0800, sendpa...@qq.com wrote:
> From: DU HUANPENG 
> 
> currtly, the ctrl-u discards the whole line, in most linux
> boxes, ctrl-u just erase characters before cursor to the
> begginning of the line. this patch make ctrl-u to do this.
> 
> Signed-off-by: DU HUANPENG 
> ---
>  lib/readline.c | 8 
>  1 file changed, 8 insertions(+)

Applied, thanks

Sascha


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[PATCH v4] readline: make ctrl-u to work like linux console

[sendpatch]

From: DU HUANPENG 

currtly, the ctrl-u discards the whole line, in most linux
boxes, ctrl-u just erase characters before cursor to the
begginning of the line. this patch make ctrl-u to do this.

Signed-off-by: DU HUANPENG 
---
 lib/readline.c | 8 
 1 file changed, 8 insertions(+)

diff --git a/lib/readline.c b/lib/readline.c
index d026af1..3d16c18 100644
--- a/lib/readline.c
+++ b/lib/readline.c
@@ -290,9 +290,17 @@ int readline(const char *prompt, char *buf, int len)
insert = !insert;
break;
case BB_KEY_ERASE_LINE:
+   BEGINNING_OF_LINE();
+   ERASE_TO_EOL();
+   break;
case CTL_CH('u'):
+   wlen = eol_num - num;
+   memmove(buf, buf+num, wlen);
BEGINNING_OF_LINE();
ERASE_TO_EOL();
+   eol_num = wlen;
+   REFRESH_TO_EOL();
+   BEGINNING_OF_LINE();
break;
case DEL:
case BB_KEY_DEL7:
-- 
2.7.4




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