From 9e93fbdcb3fccfbcc7508d04abcd91e9a898e819 Mon Sep 17 00:00:00 2001
From: "Neal H. Walfield" <neal@gnu.org>
Date: Fri, 20 Aug 2021 13:26:39 +0200
Subject: [PATCH] Have the engine pass a magic value to pgp_init_.

---
 src/lib.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 357d7f3..98ac6d7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -218,12 +218,15 @@ ffi!(fn pgp_init_(session: *mut Session, _in_first: bool,
                   pep_identity_list_item_size: c_uint,
                   timestamp_size: c_uint,
                   _stringpair_size: c_uint,
-                  _stringpair_list_size: c_uint)
+                  _stringpair_list_size: c_uint,
+                  magic: c_uint)
     -> Result<()>
 {
     use std::mem::size_of;
     use memoffset::offset_of;
 
+    assert_eq!(magic, 0xDEADBEEF);
+
     assert!(session_size as usize >= size_of::<Session>());
     assert_eq!(session_cookie_offset as usize,
                offset_of!(Session, ks));
-- 
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