From 4be20a5ab8132593da67df82f4ca2b0e54ca45f8 Mon Sep 17 00:00:00 2001
From: islent <31057826+islent@users.noreply.github.com>
Date: Tue, 26 Oct 2021 21:21:20 +0800
Subject: [PATCH] More concrete Gadget2 format detector

Probably fix https://github.com/JuliaIO/FileIO.jl/issues/350
---
 src/registry.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/registry.jl b/src/registry.jl
index 0c95d5a0..f2611733 100644
--- a/src/registry.jl
+++ b/src/registry.jl
@@ -473,7 +473,7 @@ function detect_gadget2(io)
     seek(io, sizeof(Int32)+256)
     temp2 = read(io, Int32)
     seek(io, pos)
-    return temp1 == temp2
+    return temp1 == temp2 == 256
 end
 add_format(format"Gadget2", detect_gadget2, [".gadget2", ".Gadget2", ".GADGET2"], [:AstroIO => UUID("c85a633c-0c3f-44a2-bffe-7f9d0681b3e7")])