From dd8dbd0a0696890b499f4fe9a123fdb78aef8a52 Mon Sep 17 00:00:00 2001
From: bzt <bztemail@gmail.com>
Date: Thu, 5 May 2022 11:45:54 +0200
Subject: [PATCH] Fixed issue #37

---
 uefi/stdio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/uefi/stdio.c b/uefi/stdio.c
index 5b964eb..d7c6007 100644
--- a/uefi/stdio.c
+++ b/uefi/stdio.c
@@ -781,7 +781,7 @@ int getchar_ifany (void)
 {
     efi_input_key_t key = { 0 };
     efi_status_t status = ST->ConIn->ReadKeyStroke(ST->ConIn, &key);
-    return EFI_ERROR(status) ? -1 : key.UnicodeChar;
+    return EFI_ERROR(status) ? 0 : key.UnicodeChar;
 }
 
 int getchar (void)