Otherwise values > 127 will become negative and are dropped.
Signed-off-by: Michael Olbrich <m.olbr...@pengutronix.de>
---
lib/readkey.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/readkey.c b/lib/readkey.c
index 2870a5a9fee5..e72da0066bdc 100644
--- a/lib/readkey.c
+++ b/lib/readkey.c
@@ -51,8 +51,8 @@ static const struct esc_cmds esccmds[] = {
int read_key(void)
{
- char c;
- char esc[5];
+ unsigned char c;
+ unsigned char esc[5];
c = getchar();
if (c == 27) {
--
2.11.0
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox
