From 4d119d72683ea757ccd9d9d8157c38757e31bf34 Mon Sep 17 00:00:00 2001
From: Nyall Dawson <nyall.dawson@gmail.com>
Date: Wed, 6 Sep 2023 17:35:25 +1000
Subject: [PATCH] Relax bin chunk end alignment check in permissive mode

---
 tiny_gltf.h | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/tiny_gltf.h b/tiny_gltf.h
index 2c5b98c..b68890b 100644
--- a/tiny_gltf.h
+++ b/tiny_gltf.h
@@ -6733,10 +6733,17 @@ bool TinyGLTF::LoadBinaryFromMemory(Model *model, std::string *err,
     }
 
     if ((chunk1_length % 4) != 0) {
-      if (err) {
-        (*err) = "BIN Chunk end does not aligned to a 4-byte boundary.";
+      if (strictness_==ParseStrictness::Permissive) {
+        if (warn) {
+          (*warn) += "BIN Chunk end is not aligned to a 4-byte boundary.\n";
+        }
+      }
+      else {
+        if (err) {
+          (*err) = "BIN Chunk end is not aligned to a 4-byte boundary.";
+        }
+        return false;
       }
-      return false;
     }
 
     if (uint64_t(chunk1_length) + header_and_json_size > uint64_t(length)) {