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From: Tim Kientzle <kientzle@FreeBSD.org>
Date: Sat, 27 Oct 2007 22:45:40 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/lib/libarchive
	archive_read_support_compression_none.c
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kientzle    2007-10-27 22:45:40 UTC

  FreeBSD src repository

  Modified files:
    lib/libarchive       archive_read_support_compression_none.c 
  Log:
  When skipping input data, don't overflow a 32-bit size_t.
  This can only happen on 32-bit systems when you're reading
  an uncompressed archive and the skip request is an exact
  multiple of 4G (e.g., skipping a tar entry with an 8G body).
  
  The symptom is that the read_ahead() ends up returning zero
  bytes, and the extraction stops with a premature end-of-file.
  
  Using '1' here is more correct anyway, as it allows read_ahead()
  to function opportunistically and minimize copying.
  
  MFC after: 5 days
  
  Revision  Changes    Path
  1.18      +1 -1      src/lib/libarchive/archive_read_support_compression_none.c