From 38b75d2a97a8904d429818b18806faa2273ec92e Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Wed, 11 Sep 2019 21:13:14 +0200
Subject: [PATCH] CIODevice: read(u8*, int) overload should return 0 on EOF

---
 Libraries/LibCore/CIODevice.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Libraries/LibCore/CIODevice.cpp b/Libraries/LibCore/CIODevice.cpp
index 6b7f042f8b5..2098d7ee5ae 100644
--- a/Libraries/LibCore/CIODevice.cpp
+++ b/Libraries/LibCore/CIODevice.cpp
@@ -25,6 +25,8 @@ const char* CIODevice::error_string() const
 int CIODevice::read(u8* buffer, int length)
 {
     auto read_buffer = read(length);
+    if (read_buffer.is_null())
+        return 0;
     memcpy(buffer, read_buffer.data(), length);
     return read_buffer.size();
 }