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From: Ed Schouten <ed@FreeBSD.org>
Date: Fri, 28 Nov 2008 14:53:18 +0000 (UTC)
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Subject: cvs commit: src/sys/kern uipc_mqueue.c
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ed          2008-11-28 14:53:18 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             uipc_mqueue.c 
  Log:
  SVN rev 185385 on 2008-11-28 14:53:18Z by ed
  
  Fix matching of message queues by name.
  
  The mqfs_search() routine uses strncmp() to match message queue objects
  by name. This is because it can be called from environments where the
  file name is not null terminated (the VFS for example).
  
  Unfortunately it doesn't compare the lengths of the message queue names,
  which means if a system has "Queue12345", the name "Queue" will also
  match.
  
  I noticed this when a student of mine handed in an exercise using
  message queues with names "Queue2" and "Queue".
  
  Reviewed by:    rink
  
  Revision  Changes    Path
  1.39      +2 -1      src/sys/kern/uipc_mqueue.c