From 473fb6385e6072e8e55c8f44debe6dadc0d5621c Mon Sep 17 00:00:00 2001
From: Lars Kanis <lars@greiz-reinsdorf.de>
Date: Wed, 11 Dec 2024 01:57:36 +0100
Subject: [PATCH] [ruby/fiddle] Implement `Fiddle::Pointer.read` and `.write`
 on the FFI backend (https://github.com/ruby/fiddle/pull/165)

https://github.com/ruby/fiddle/commit/0bd963d3b8
---
 ext/fiddle/lib/fiddle/ffi_backend.rb | 8 ++++++++
 test/fiddle/test_pointer.rb          | 4 ----
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/ext/fiddle/lib/fiddle/ffi_backend.rb b/ext/fiddle/lib/fiddle/ffi_backend.rb
index eac469aff6..0f068a75e0 100644
--- a/ext/fiddle/lib/fiddle/ffi_backend.rb
+++ b/ext/fiddle/lib/fiddle/ffi_backend.rb
@@ -261,6 +261,14 @@ module Fiddle
       end
     end
 
+    def self.write(addr, bytes)
+      FFI::Pointer.new(addr).write_bytes(bytes)
+    end
+
+    def self.read(addr, len)
+      FFI::Pointer.new(addr).read_bytes(len)
+    end
+
     class << self
       alias [] to_ptr
     end
diff --git a/test/fiddle/test_pointer.rb b/test/fiddle/test_pointer.rb
index d46fb662ba..673e7ca445 100644
--- a/test/fiddle/test_pointer.rb
+++ b/test/fiddle/test_pointer.rb
@@ -11,10 +11,6 @@ module Fiddle
     end
 
     def test_can_read_write_memory
-      if ffi_backend?
-        omit("Fiddle::Pointer.{read,write} don't exist in FFI backend")
-      end
-
       # Allocate some memory
       Fiddle::Pointer.malloc(Fiddle::SIZEOF_VOIDP, Fiddle::RUBY_FREE) do |pointer|
         address = pointer.to_i