From 124c588f817f0de8a01fd14d469d87bd03b8355d Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Wed, 19 Feb 2020 23:12:29 +0100
Subject: [PATCH] LibC: Don't assert on fflush(nullptr)

We're supposed to flush all open streams when this happens, but since
we don't know how to do that yet, let's just log a FIXME and not crash.
---
 Libraries/LibC/stdio.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Libraries/LibC/stdio.cpp b/Libraries/LibC/stdio.cpp
index 60813c0861..e0c289d518 100644
--- a/Libraries/LibC/stdio.cpp
+++ b/Libraries/LibC/stdio.cpp
@@ -115,8 +115,10 @@ int feof(FILE* stream)
 
 int fflush(FILE* stream)
 {
-    // FIXME: fflush(NULL) should flush all open output streams.
-    ASSERT(stream);
+    if (!stream) {
+        dbg() << "FIXME: fflush(nullptr) should flush all open streams";
+        return 0;
+    }
     if (!stream->buffer_index)
         return 0;
     int rc = write(stream->fd, stream->buffer, stream->buffer_index);