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* ext/dl/lib/dl/win32.rb: compatibility improvement.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3330 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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2 changed files with 21 additions and 14 deletions
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@ -1,3 +1,7 @@
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Sat Jan 11 22:50:47 2003 WATANABE Hirofumi <eban@ruby-lang.org>
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* ext/dl/lib/dl/win32.rb: compatibility improvement.
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Sat Jan 11 01:44:16 2003 Nobuyoshi Nakada <nobu.nokada@softhome.net>
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* configure.in (RUBY_CHECK_IO_NEED): added more tests.
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@ -3,24 +3,27 @@
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require 'dl'
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class Win32API
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LIBRARY = {}
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DLL = {}
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attr_reader :val, :args
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def initialize(lib, func, args, ret)
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LIBRARY[lib] ||= DL.dlopen(lib)
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ty = (ret + args).tr('V','0')
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@sym = LIBRARY[lib].sym(func, ty)
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@__dll__ = LIBRARY[lib].to_i
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@__dllname__ = lib
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@__proc__ = @sym.to_i
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@val = nil
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@args = []
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def initialize(dllname, func, import, export = "0")
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prototype = (export + import.to_s).tr("VPpNnLlIi", "0SSI")
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handle = DLL[dllname] ||= DL::Handle.new(dllname)
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begin
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@sym = handle.sym(func, prototype)
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rescue RuntimeError
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@sym = handle.sym(func + "A", prototype)
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end
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end
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def call(*args)
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@val,@args = @sym.call(*args)
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return @val
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import = @sym.proto[1..-1] || ""
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args.each_with_index do |x, i|
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args[i] = nil if x == 0 and import[i] == ?S
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args[i], = [x].pack("I").unpack("i") if import[i] == ?I
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end
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ret, = @sym.call(*args)
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return ret || 0
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end
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alias Call call
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end
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