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From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Sat, 20 Jun 2009 20:44:27 +0000 (UTC)
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Subject: cvs commit: src/bin/sh redir.c
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jilles      2009-06-20 20:44:27 UTC

  FreeBSD src repository

  Modified files:
    bin/sh               redir.c 
  Log:
  SVN rev 194560 on 2009-06-20 20:44:27Z by jilles
  
  Fix race condition in noclobber option.
  
  Formerly, it was possible for the file to be created between the check if it
  existed and the open; the contents would then be lost.
  
  Because this must use O_EXCL, noclobber > will not create a file through a
  symlink anymore. This agrees with behaviour of other shells.
  
  Approved by:    ed (mentor) (implicit)
  
  Revision  Changes    Path
  1.27      +19 -7     src/bin/sh/redir.c