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>
diff --git a/common/cli_readline.c b/common/cli_readline.c
index 47b8762..5c158d0 100644
--- a/common/cli_readline.c
+++ b/common/cli_readline.c
@@ -493,8 +493,10 @@
}
#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;
}
}