From 74bba649c3f3efd36b05f05b40d4346a501b213c Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Mon, 21 Oct 2019 18:45:27 +0200
Subject: [PATCH] LibCore: Make CFile::open() assert that the filename is
 non-null

---
 Libraries/LibCore/CFile.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Libraries/LibCore/CFile.cpp b/Libraries/LibCore/CFile.cpp
index 38b5b75a0c..dfa5b2c073 100644
--- a/Libraries/LibCore/CFile.cpp
+++ b/Libraries/LibCore/CFile.cpp
@@ -26,6 +26,7 @@ bool CFile::open(int fd, CIODevice::OpenMode mode, ShouldCloseFileDescription sh
 
 bool CFile::open(CIODevice::OpenMode mode)
 {
+    ASSERT(!m_filename.is_null());
     int flags = 0;
     if ((mode & CIODevice::ReadWrite) == CIODevice::ReadWrite) {
         flags |= O_RDWR | O_CREAT;