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From: Ryan Stone <rstone@FreeBSD.org>
Date: Sun, 17 Jul 2011 21:08:16 +0000 (UTC)
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Subject: cvs commit: src/sbin/fdisk fdisk.c
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rstone      2011-07-17 21:08:16 UTC

  FreeBSD src repository

  Modified files:
    sbin/fdisk           fdisk.c 
  Log:
  SVN rev 224150 on 2011-07-17 21:08:16Z by rstone
  
  The MBR uses a 32-bit unsigned integer to store the size of a slice, but
  fdisk(1) internally uses a signed int.  Should a user attempt to specify
  a slice containing more than 2^31 - 1 sectors, an error will be reported
  on systems with sizeof(long) == 4 and the slice size will be silently
  truncated on systems with sizeof(long) > 4.
  
  Instead use an unsigned long to store the slice size in fdisk(1).  This
  allows the user to specify a slice size up to the maximum permitted by
  the MBR on-disk format and does not have any problems with silent
  truncation should the use specify an slice size larger than 2^32 on systems
  with sizeof(long) > 4.
  
  Submitted by:   Mark Johnston (markjdb AT gmail DOT com)
  MFC after:      2 weeks
  
  Revision  Changes    Path
  1.101     +4 -4      src/sbin/fdisk/fdisk.c