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# -*- 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
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