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cli_readline: Only insert printable chars

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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>
This commit is contained in:
Steve Bennett 2020-11-22 14:58:45 +10:00 • committed by Tom Rini
parent 652b504ff2
commit d2e64d29c4
1 changed files with 4 additions and 2 deletions
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6
common/cli_readline.c
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@ -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;
}
}