add ffi_helper

1 files changed, 27 insertions, 0 deletions

diff --git a/lib/e17/ffi_helper.rb b/lib/e17/ffi_helper.rb
new file mode 100644
index 0000000..36c9c6b
--- /dev/null
+++ b/lib/e17/ffi_helper.rb
@@ -0,0 +1,27 @@
+#! /usr/bin/env ruby
+# -*- coding: UTF-8 -*-
+#
+require 'ffi'
+#
+module FFIHelper
+    def attach_fcts
+        @fcts.each do |func|
+            begin
+                attach_function *func
+            rescue Object => e
+                puts "Could not attach #{func} #{e.message}"
+            end
+        end
+    end
+    def create_aliases l
+        @fcts.each do |f,a,r|
+            module_eval <<-code
+            class << self
+                alias #{f.to_s[l..-1]} #{f}
+            end
+            code
+        end
+    end
+end
+#
+# EOF