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 <tarek.bouchkati@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6439
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Tested-by: jenkins
70cd395f3f