From 02629c4eee84064278979b37d0fe0a019b6e607f Mon Sep 17 00:00:00 2001
From: Kelvin Sherlock <ksherlock@gmail.com>
Date: Sat, 17 Aug 2019 10:33:12 -0400
Subject: [PATCH] 0-byte read request should not trigger eof error.

---
 toolbox/os.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/toolbox/os.cpp b/toolbox/os.cpp
index ea7aea0..cf5b702 100644
--- a/toolbox/os.cpp
+++ b/toolbox/os.cpp
@@ -511,7 +511,7 @@ namespace OS
 			memoryWriteLong(count, parm + 40);
 		}
 
-		if (count == 0)
+		if (count == 0 && ioReqCount > 0)
 		{
 			d0 = MacOS::eofErr;
 		}