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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
This commit is contained in:
eban 2003-01-11 15:00:56 +00:00
parent d15f5e8d55
commit 3074716cad
2 changed files with 21 additions and 14 deletions

View file

@ -1,3 +1,7 @@
Sat Jan 11 22:50:47 2003 WATANABE Hirofumi <eban@ruby-lang.org>
* ext/dl/lib/dl/win32.rb: compatibility improvement.
Sat Jan 11 01:44:16 2003 Nobuyoshi Nakada <nobu.nokada@softhome.net>
* configure.in (RUBY_CHECK_IO_NEED): added more tests.

View file

@ -3,24 +3,27 @@
require 'dl'
class Win32API
LIBRARY = {}
DLL = {}
attr_reader :val, :args
def initialize(lib, func, args, ret)
LIBRARY[lib] ||= DL.dlopen(lib)
ty = (ret + args).tr('V','0')
@sym = LIBRARY[lib].sym(func, ty)
@__dll__ = LIBRARY[lib].to_i
@__dllname__ = lib
@__proc__ = @sym.to_i
@val = nil
@args = []
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
end
def call(*args)
@val,@args = @sym.call(*args)
return @val
import = @sym.proto[1..-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