Li Gen 0865019b08 commands/read: Fix overflow in grub_getline()
Store returned value from grub_getkey() in int instead of char to
prevent throwing away the extended bits. This was a problem because,
for instance, the left arrow key press would return
(GRUB_TERM_EXTENDED | 0x4b), which would have the GRUB_TERM_EXTENDED
thrown away leaving 0x4b or 'K'. These extended keys should either
work as intended or do nothing. This change has them do nothing,
instead of inserting a key not pressed by the user.

Signed-off-by: Li Gen <ligenlive@gmail.com>
Signed-off-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2022-10-04 15:38:39 +02:00
..
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