* lib/tmpdir.rb: setup buffer with nul characters instead of spaces.

fixed [ruby-dev:36493]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19513 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Sep 24 14:38:29 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* lib/tmpdir.rb: setup buffer with nul characters instead of spaces.
+	  fixed [ruby-dev:36493]
+
 Wed Sep 24 11:18:33 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* io.c (rb_io_s_binread): offset argument was wrongly passed to

lib/tmpdir.rb

@@ -14,7 +14,7 @@ class Dir
     require 'Win32API'
     CSIDL_LOCAL_APPDATA = 0x001c
     max_pathlen = 260
-    windir = ' '*(max_pathlen+1)
+    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