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authorSteve Bennett <steveb@workware.net.au>2020-11-22 14:58:45 +1000
committerTom Rini <trini@konsulko.com>2021-01-16 14:49:09 -0500
commitd2e64d29c44dee6d455f7705dd1cf1af8674ad9a (patch)
tree55e5214a63ae6c153146f41449900ecc24463090
parent652b504ff2dc41313ad7f38a00e1d5730966f164 (diff)
downloadu-boot-d2e64d29c44dee6d455f7705dd1cf1af8674ad9a.tar.gz
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>
-rw-r--r--common/cli_readline.c6
1 files 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;
}
}