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/js/lib/Socket.IO-node/support/expresso/deps/jscoverage/js/config/fastcwd.pl

http://github.com/onedayitwillmake/RealtimeMultiplayerNodeJs
Perl | 66 lines | 26 code | 3 blank | 37 comment | 11 complexity | 670cac70316b9ccbd76366c054b55897 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.1, MPL-2.0-no-copyleft-exception, BSD-3-Clause
  1. #!perl5
  2. #
  3. # ***** BEGIN LICENSE BLOCK *****
  4. # Version: MPL 1.1/GPL 2.0/LGPL 2.1
  5. #
  6. # The contents of this file are subject to the Mozilla Public License Version
  7. # 1.1 (the "License"); you may not use this file except in compliance with
  8. # the License. You may obtain a copy of the License at
  9. # http://www.mozilla.org/MPL/
  10. #
  11. # Software distributed under the License is distributed on an "AS IS" basis,
  12. # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13. # for the specific language governing rights and limitations under the
  14. # License.
  15. #
  16. # The Original Code is mozilla.org code.
  17. #
  18. # The Initial Developer of the Original Code is
  19. # Netscape Communications Corporation.
  20. # Portions created by the Initial Developer are Copyright (C) 1998
  21. # the Initial Developer. All Rights Reserved.
  22. #
  23. # Contributor(s):
  24. #
  25. # Alternatively, the contents of this file may be used under the terms of
  26. # either of the GNU General Public License Version 2 or later (the "GPL"),
  27. # or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28. # in which case the provisions of the GPL or the LGPL are applicable instead
  29. # of those above. If you wish to allow use of your version of this file only
  30. # under the terms of either the GPL or the LGPL, and not to allow others to
  31. # use your version of this file under the terms of the MPL, indicate your
  32. # decision by deleting the provisions above and replace them with the notice
  33. # and other provisions required by the GPL or the LGPL. If you do not delete
  34. # the provisions above, a recipient may use your version of this file under
  35. # the terms of any one of the MPL, the GPL or the LGPL.
  36. #
  37. # ***** END LICENSE BLOCK *****
  38. sub fastcwd {
  39. local($odev, $oino, $cdev, $cino, $tdev, $tino);
  40. local(@path, $path);
  41. local(*DIR);
  42. ($cdev, $cino) = stat('.');
  43. for (;;) {
  44. ($odev, $oino) = ($cdev, $cino);
  45. chdir('..');
  46. ($cdev, $cino) = stat('.');
  47. last if $odev == $cdev && $oino == $cino;
  48. opendir(DIR, '.');
  49. for (;;) {
  50. $_ = readdir(DIR);
  51. next if $_ eq '.';
  52. next if $_ eq '..';
  53. last unless $_;
  54. ($tdev, $tino) = lstat($_);
  55. last unless $tdev != $odev || $tino != $oino;
  56. }
  57. closedir(DIR);
  58. unshift(@path, $_);
  59. }
  60. chdir($path = '/' . join('/', @path));
  61. $path;
  62. }
  63. 1;