[PATCH] cli_readline: Only insert printable chars

There should be no need to insert non-printable characters and this prevents line editing getting confused.

Signed-off-by: Steve Bennett steveb@workware.net.au --- common/cli_readline.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/common/cli_readline.c b/common/cli_readline.c index 47b876285c..5c158d03b4 100644 --- a/common/cli_readline.c +++ b/common/cli_readline.c @@ -493,8 +493,10 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len, } #endif default: - cread_add_char(ichar, insert, &num, &eol_num, buf, - *len); + if (ichar >= ' ' && ichar <= '~') { + cread_add_char(ichar, insert, &num, &eol_num, + buf, *len); + } break; } }