From 2db227b0c34ddb669b78a32f8c794f76a6e5a840 Mon Sep 17 00:00:00 2001
From: 0x1eef <0x1eef@protonmail.com>
Date: Fri, 1 Mar 2024 01:28:54 -0300
Subject: [PATCH] Add BSD::Control.library_version

---
 ext/hbsdctl.rb/hbsdctl.c   | 9 +++++++++
 lib/bsd/control.rb         | 7 +++++++
 lib/bsd/control/feature.rb | 1 -
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/ext/hbsdctl.rb/hbsdctl.c b/ext/hbsdctl.rb/hbsdctl.c
index 743cb26..1f7f149 100644
--- a/ext/hbsdctl.rb/hbsdctl.c
+++ b/ext/hbsdctl.rb/hbsdctl.c
@@ -26,6 +26,14 @@ ffi_available_features(VALUE self)
   return features;
 }
 
+static VALUE
+ffi_library_version(VALUE self)
+{
+  const char *ver;
+  ver = hbsdcontrol_get_version();
+  return rb_str_new2(ver);
+}
+
 static VALUE
 feature_set(VALUE self, VALUE path, VALUE state)
 {
@@ -65,5 +73,6 @@ Init_hbsdctl(void)
   rb_define_const(rb_mControl, "Disable", 0);
   rb_define_const(rb_mControl, "Enable", 1);
   rb_define_singleton_method(rb_mFFI, "available_features", ffi_available_features, 0);
+  rb_define_singleton_method(rb_mFFI, "library_version", ffi_library_version, 0);
   rb_define_method(rb_cFeature, "set!", feature_set, 2);
 }
diff --git a/lib/bsd/control.rb b/lib/bsd/control.rb
index 287d33a..c8f148e 100644
--- a/lib/bsd/control.rb
+++ b/lib/bsd/control.rb
@@ -2,6 +2,13 @@ module BSD::Control
   require_relative "control/feature"
   Error = Class.new(RuntimeError)
 
+  ##
+  # @return [String]
+  #  Returns the version of libhbsdcontrol.
+  def self.library_version
+    FFI.library_version
+  end
+
   ##
   # @return [Array<BSD::Control::Feature>]
   def self.available_features
diff --git a/lib/bsd/control/feature.rb b/lib/bsd/control/feature.rb
index 50d7e75..d3b576e 100644
--- a/lib/bsd/control/feature.rb
+++ b/lib/bsd/control/feature.rb
@@ -124,6 +124,5 @@ module BSD::Control
     end
 
     # @endgroup
-    private :set!
   end
 end