1 files changed, 25 insertions, 0 deletions
diff --git a/ruby_1_8_5/ext/dl/lib/dl/win32.rb b/ruby_1_8_5/ext/dl/lib/dl/win32.rb
new file mode 100644
index 0000000000..0fed47c324
--- /dev/null
+++ b/ruby_1_8_5/ext/dl/lib/dl/win32.rb
@@ -0,0 +1,25 @@
+# -*- ruby -*-
+
+require 'dl'
+
+class Win32API
+  DLL = {}
+
+  def initialize(dllname, func, import, export = "0")
+    prototype = (export + import.to_s).tr("VPpNnLlIi", "0SSI").sub(/^(.)0*$/, '\1')
+    handle = DLL[dllname] ||= DL::Handle.new(dllname)
+    @sym = handle.sym(func, prototype)
+  end
+
+  def call(*args)
+    import = @sym.proto.split("", 2)[1]
+    args.each_with_index do |x, i|
+      args[i] = nil if x == 0 and import[i] == ?S
+      args[i], = [x].pack("I").unpack("i") if import[i] == ?I
+    end
+    ret, = @sym.call(*args)
+    return ret || 0
+  end
+
+  alias Call call
+end