* lib/tmpdir.rb (@@systmpdir): File.expand_path also joins paths.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22439 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 4 deletions

diff --git a/lib/tmpdir.rb b/lib/tmpdir.rb
index bcd66ab424..788ddbd1ed 100644
--- a/lib/tmpdir.rb
+++ b/lib/tmpdir.rb
@@ -18,17 +18,16 @@ class Dir
     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)
+      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])
+      windir[getdir.call(windir, windir.size)..-1] = ""
     end
-    temp = File.join(windir.untaint, 'temp')
+    temp = File.expand_path('temp', windir.untaint)
     @@systmpdir = temp if File.directory?(temp) and File.writable?(temp)
   rescue LoadError
   end