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PATH: opt / alt / ruby18 / lib64 / ruby / 1.8

#
# tmpdir - retrieve temporary directory path
#
# $Id: tmpdir.rb 21776 2009-01-26 02:12:10Z shyouhei $
#

require 'fileutils'

class Dir

@@systmpdir = '/tmp'

begin
    require 'Win32API'
    CSIDL_LOCAL_APPDATA = 0x001c
    max_pathlen = 260
    windir = "\0"*(max_pathlen+1)
    begin
      getdir = Win32API.new('shell32', 'SHGetFolderPath', 'LLLLP', 'L')
      raise RuntimeError if getdir.call(0, CSIDL_LOCAL_APPDATA, 0, 0, windir) != 0
      windir = File.expand_path(windir.rstrip)
    rescue RuntimeError
      begin
        getdir = Win32API.new('kernel32', 'GetSystemWindowsDirectory', 'PL', 'L')
      rescue RuntimeError
        getdir = Win32API.new('kernel32', 'GetWindowsDirectory', 'PL', 'L')
      end
      len = getdir.call(windir, windir.size)
      windir = File.expand_path(windir[0, len])
    end
    temp = File.join(windir.untaint, 'temp')
    @@systmpdir = temp if File.directory?(temp) and File.writable?(temp)
  rescue LoadError
  end

##
  # Returns the operating system's temporary file path.

def Dir::tmpdir
    tmp = '.'
    if $SAFE > 0
      tmp = @@systmpdir
    else
      for dir in [ENV['TMPDIR'], ENV['TMP'], ENV['TEMP'],
	          ENV['USERPROFILE'], @@systmpdir, '/tmp']
	if dir and File.directory?(dir) and File.writable?(dir)
	  tmp = dir
	  break
	end
      end
      File.expand_path(tmp)
    end
  end

# Dir.mktmpdir creates a temporary directory.
  #
  # The directory is created with 0700 permission.
  #
  # The prefix and suffix of the name of the directory is specified by
  # the optional first argument, <i>prefix_suffix</i>.
  # - If it is not specified or nil, "d" is used as the prefix and no suffix is used.
  # - If it is a string, it is used as the prefix and no suffix is used.
  # - If it is an array, first element is used as the prefix and second element is used as a suffix.
  #
  #  Dir.mktmpdir {|dir| dir is ".../d..." }
  #  Dir.mktmpdir("foo") {|dir| dir is ".../foo..." }
  #  Dir.mktmpdir(["foo", "bar"]) {|dir| dir is ".../foo...bar" }
  #
  # The directory is created under Dir.tmpdir or
  # the optional second argument <i>tmpdir</i> if non-nil value is given.
  #
  #  Dir.mktmpdir {|dir| dir is "#{Dir.tmpdir}/d..." }
  #  Dir.mktmpdir(nil, "/var/tmp") {|dir| dir is "/var/tmp/d..." }
  #
  # If a block is given,
  # it is yielded with the path of the directory.
  # The directory and its contents are removed
  # using FileUtils.remove_entry_secure before Dir.mktmpdir returns.
  # The value of the block is returned.
  #
  #  Dir.mktmpdir {|dir|
  #    # use the directory...
  #    open("#{dir}/foo", "w") { ... }
  #  }
  #
  # If a block is not given,
  # The path of the directory is returned.
  # In this case, Dir.mktmpdir doesn't remove the directory.
  #
  #  dir = Dir.mktmpdir
  #  begin
  #    # use the directory...
  #    open("#{dir}/foo", "w") { ... }
  #  ensure
  #    # remove the directory.
  #    FileUtils.remove_entry_secure dir
  #  end
  #
  def Dir.mktmpdir(prefix_suffix=nil, tmpdir=nil)
    case prefix_suffix
    when nil
      prefix = "d"
      suffix = ""
    when String
      prefix = prefix_suffix
      suffix = ""
    when Array
      prefix = prefix_suffix[0]
      suffix = prefix_suffix[1]
    else
      raise ArgumentError, "unexpected prefix_suffix: #{prefix_suffix.inspect}"
    end
    tmpdir ||= Dir.tmpdir
    t = Time.now.strftime("%Y%m%d")
    n = nil
    begin
      path = "#{tmpdir}/#{prefix}#{t}-#{$$}-#{rand(0x100000000).to_s(36)}"
      path << "-#{n}" if n
      path << suffix
      Dir.mkdir(path, 0700)
    rescue Errno::EEXIST
      n ||= 0
      n += 1
      retry
    end

if block_given?
      begin
        yield path
      ensure
        FileUtils.remove_entry_secure path
      end
    else
      path
    end
  end
end

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