diff options
Diffstat (limited to 'ruby_1_8_6/ext/dl/lib/dl/win32.rb')
-rw-r--r-- | ruby_1_8_6/ext/dl/lib/dl/win32.rb | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/ruby_1_8_6/ext/dl/lib/dl/win32.rb b/ruby_1_8_6/ext/dl/lib/dl/win32.rb new file mode 100644 index 0000000000..0fed47c324 --- /dev/null +++ b/ruby_1_8_6/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 |