* ext/dl/lib/dl/win32.rb: elimitate unnecessary "A" adding.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3335 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 6 deletions

diff --git a/ext/dl/lib/dl/win32.rb b/ext/dl/lib/dl/win32.rb
index f0ea2a91e1..8077656ab3 100644
--- a/ext/dl/lib/dl/win32.rb
+++ b/ext/dl/lib/dl/win32.rb
@@ -8,15 +8,11 @@ class Win32API
   def initialize(dllname, func, import, export = "0")
     prototype = (export + import.to_s).tr("VPpNnLlIi", "0SSI")
     handle = DLL[dllname] ||= DL::Handle.new(dllname)
-    begin
-      @sym = handle.sym(func, prototype)
-    rescue RuntimeError
-      @sym = handle.sym(func + "A", prototype)
-    end
+    @sym = handle.sym(func, prototype)
   end
 
   def call(*args)
-    import = @sym.proto[1..-1] || ""
+    import = @sym.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