From d21a78a4ac23a104c203b35d6b6a3b42e93cb513 Mon Sep 17 00:00:00 2001
From: Lars Kanis <lars.kanis@sincnovation.com>
Date: Tue, 10 Dec 2024 10:18:01 +0100
Subject: [PATCH] Implement Fiddle::Pointer.read and .write on the FFI backend

---
 lib/fiddle/ffi_backend.rb   | 8 ++++++++
 test/fiddle/test_pointer.rb | 4 ----
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/lib/fiddle/ffi_backend.rb b/lib/fiddle/ffi_backend.rb
index eac469af..0f068a75 100644
--- a/lib/fiddle/ffi_backend.rb
+++ b/lib/fiddle/ffi_backend.rb
@@ -261,6 +261,14 @@ def self.to_ptr(value)
       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 d46fb662..673e7ca4 100644
--- a/test/fiddle/test_pointer.rb
+++ b/test/fiddle/test_pointer.rb
@@ -11,10 +11,6 @@ def dlwrap arg
     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