From 804df542960251e24be098e8ef52084e1faa3660 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Sun, 22 Sep 2019 19:36:22 +0200
Subject: [PATCH] LibC: Let's assert in rewind() that fseek()ing to the
 beginning worked

---
 Libraries/LibC/stdio.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Libraries/LibC/stdio.cpp b/Libraries/LibC/stdio.cpp
index 531808f866..bce13c7f79 100644
--- a/Libraries/LibC/stdio.cpp
+++ b/Libraries/LibC/stdio.cpp
@@ -320,7 +320,9 @@ long ftell(FILE* stream)
 
 void rewind(FILE* stream)
 {
-    fseek(stream, 0, SEEK_SET);
+    ASSERT(stream);
+    int rc = fseek(stream, 0, SEEK_SET);
+    ASSERT(rc == 0);
 }
 
 int dbgprintf(const char* fmt, ...)