From 1eb201800f5b063ab7bd9b86927ac37661b852e9 Mon Sep 17 00:00:00 2001
From: Runxi Yu <me@runxiyu.org>
Date: Fri, 14 Mar 2025 00:11:35 +0800
Subject: [PATCH] Fix nullable usage again

---
 lmdb/cursor.ha | 2 +-
 lmdb/env.ha    | 2 +-
 lmdb/txn.ha    | 2 +-

diff --git a/lmdb/cursor.ha b/lmdb/cursor.ha
index 8328a95e180a7aa21ffa1aa47daf3efac72e41e7..f4d583f5ff3af37bab9201fd8db5fa8dc47dee06 100644
--- a/lmdb/cursor.ha
+++ b/lmdb/cursor.ha
@@ -17,7 +17,7 @@ // - txn: A transaction handle returned by [[txn_begin]]
 // - dbi: A database handle returned by [[dbi_open]]
 // - cursor: Address where the new [[cursor]] handle will be stored
 // - return: EINVAL on failure and 0 on success.
-export @symbol("mdb_cursor_open") fn cursor_open(txn: *txn, dbi: *dbi, cursor: nullable **cursor) int;
+export @symbol("mdb_cursor_open") fn cursor_open(txn: *txn, dbi: *dbi, cursor: *nullable *cursor) int;
 
 // Close a cursor handle.
 //
diff --git a/lmdb/env.ha b/lmdb/env.ha
index b68d2844ff5e19ad1f1c78c46294505a98f84f73..c236dd7d2d53291b0cf0e18ad6ead9fafd541e14 100644
--- a/lmdb/env.ha
+++ b/lmdb/env.ha
@@ -13,7 +13,7 @@ // Parameters:
 // - env: The address where the new handle will be stored
 //
 // Return value: A non-zero error value on failure and 0 on success.
-export @symbol("mdb_env_create") fn env_create(env: nullable **env) int;
+export @symbol("mdb_env_create") fn env_create(env: *nullable *env) int;
 
 // Open an environment handle.
 // 
diff --git a/lmdb/txn.ha b/lmdb/txn.ha
index 01ef45811dcc21bff5aad93ff6d737685b4a4397..6310d83e1060b86ba482316390014a9cc0510fc3 100644
--- a/lmdb/txn.ha
+++ b/lmdb/txn.ha
@@ -34,7 +34,7 @@ // -     See [[env_set_mapsize]].
 // - [[READERS_FULL]] - a read-only transaction was requested and
 // -     the reader lock table is full. See [[env_set_maxreaders]].
 // - ENOMEM - out of memory.
-export @symbol("mdb_txn_begin") fn txn_begin(env: *env, parent: *txn, flags: uint, txn: nullable **txn) int;
+export @symbol("mdb_txn_begin") fn txn_begin(env: *env, parent: nullable *txn, flags: uint, txn: *nullable *txn) int;
 
 // Commit all the operations of a transaction into the database.
 // 

-- 
2.48.1