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loader: ReadKeyStrokeEx may return partial keystrokes

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In some systems we can receive no scancode nor unicodechar values.

PR:		240760
Reported by:	Ariel Millennium Thornton
MFC after:	1 week
This commit is contained in:
Toomas Soome 2019-12-03 18:36:39 +00:00
parent 1bd8c5e427
commit 0aff5f3934
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=355347
1 changed files with 4 additions and 3 deletions
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7
stand/efi/libefi/efi_console.c
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@ -1126,10 +1126,11 @@ efi_readkey_ex(void)
kp->UnicodeChar++;
}
}
if (kp->ScanCode == 0 && kp->UnicodeChar == 0)
return (false);
keybuf_inschar(kp);
return (true);
}
keybuf_inschar(kp);
return (true);
}
return (false);
}