From d831218b985c1ab66bc4e52f6b79142eb0fa79b9 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Sun, 6 Oct 2019 11:00:24 -0700
Subject: GLK: Fix reading beyond the end of a file

---
 engines/glk/streams.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/engines/glk/streams.cpp b/engines/glk/streams.cpp
index 37cac4437a..d6d62ddbec 100644
--- a/engines/glk/streams.cpp
+++ b/engines/glk/streams.cpp
@@ -989,7 +989,7 @@ int IOStream::getChar() {
 	ensureOp(filemode_Read);
 	int res;
 	if (!_unicode) {
-		res = _inStream->readByte();
+		res = (_inStream->pos() >= _inStream->size()) ? -1 : _inStream->readByte();
 	} else if (_textFile) {
 		res = getCharUtf8();
 	} else {
-- 
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