From 661d4643efba7eb6ba9a1b9932f4b3da29bcb7df Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 10 Oct 2024 11:28:27 +0900
Subject: [PATCH] Cast via `uintptr_t` function pointer between object pointer

---
 ext/digest/digest.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ext/digest/digest.h b/ext/digest/digest.h
index 4503929..b3662b2 100644
--- a/ext/digest/digest.h
+++ b/ext/digest/digest.h
@@ -80,7 +80,8 @@ rb_digest_make_metadata(const rb_digest_metadata_t *meta)
     typedef VALUE (*wrapper_func_type)(const rb_digest_metadata_t *meta);
     static wrapper_func_type wrapper;
     if (!wrapper) {
-        wrapper = (wrapper_func_type)rb_ext_resolve_symbol("digest.so", "rb_digest_wrap_metadata");
+        wrapper = (wrapper_func_type)(uintptr_t)
+            rb_ext_resolve_symbol("digest.so", "rb_digest_wrap_metadata");
         if (!wrapper) rb_raise(rb_eLoadError, "rb_digest_wrap_metadata not found");
     }
     return wrapper(meta);