From 886467e09f815fda97bbea9090b045bb6fb803f3 Mon Sep 17 00:00:00 2001
From: Tomasz Sobczyk <tomasz.sobczyk1997@gmail.com>
Date: Thu, 22 Oct 2020 11:16:41 +0200
Subject: [PATCH] Fix crash when trying to read a non existing .binpack file.

---
 src/extra/nnue_data_binpack_format.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/extra/nnue_data_binpack_format.h b/src/extra/nnue_data_binpack_format.h
index 826b2959..b9e45c3e 100644
--- a/src/extra/nnue_data_binpack_format.h
+++ b/src/extra/nnue_data_binpack_format.h
@@ -6141,6 +6141,11 @@ namespace binpack
 
         [[nodiscard]] bool hasNextChunk()
         {
+            if (!m_file)
+            {
+                return false;
+            }
+
             m_file.peek();
             return !m_file.eof();
         }