From 70cd395f3f0b7f7974125ce6e728980e855626ea Mon Sep 17 00:00:00 2001 From: Tarek BOCHKATI Date: Tue, 17 Aug 2021 13:29:56 +0100 Subject: [PATCH] server/telnet: support 'CTRL+C' like in terminal 'CTRL+C': - keeps the line content so the user can refer to it (like copy/paste) - marks the line with '^C', as hint that the command was not executed - permit the user to write a new command Change-Id: Ib784c827d64fdc439a35db461d8387a62d3bfbbf Signed-off-by: Tarek BOCHKATI Reviewed-on: https://review.openocd.org/c/openocd/+/6439 Reviewed-by: Antonio Borneo Tested-by: jenkins --- src/server/telnet_server.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/server/telnet_server.c b/src/server/telnet_server.c index 253591ec94..f7b3f6449b 100644 --- a/src/server/telnet_server.c +++ b/src/server/telnet_server.c @@ -718,6 +718,13 @@ static int telnet_input(struct connection *connection) t_con->line_cursor--; } t_con->state = TELNET_STATE_DATA; + } else if (*buf_p == CTRL('C')) { /* interrupt */ + /* print '^C' at line end, and display a new command prompt */ + telnet_move_cursor(connection, t_con->line_size); + telnet_write(connection, "^C\n\r", 4); + t_con->line_cursor = 0; + t_con->line_size = 0; + telnet_prompt(connection); } else if (*buf_p == CTRL('F')) { /* cursor right */ if (t_con->line_cursor < t_con->line_size) telnet_write(connection, t_con->line + t_con->line_cursor++, 1); -- 2.30.2