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readline: make ctrl-u to work like linux console

PATCH Applied [email protected] 2 participants 2 messages Oct 16, 2019 – Oct 18, 2019 Library code

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PATCH v4 1/1 readline: make ctrl-u to work like linux console

From: DU HUANPENG <[email protected]>

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 <[email protected]>
---
 lib/readline.c | 8 ++++++++
 1 file changed, 8 insertions(+)
lib/readline.c +8 -0
index d026af1..3d16c18 100644
@@ -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:
Signature · 9 lines
2.7.4




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Applied
#1 lore raw
Quoted 10 lines · On Wed, Oct 16, 2019 at 11:56:44PM +0800, [email protected] wrote:

From: DU HUANPENG <[email protected]>

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 <[email protected]>
---
 lib/readline.c | 8 ++++++++
 1 file changed, 8 insertions(+)

Applied, thanks

Sascha

Signature · 9 lines
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