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<TITLE>Release Notes</TITLE>
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<H1 CLASS="title">Release Notes</H1>
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<h4>1.46</h4>
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<ul>
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<li>
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Use <code>BOOST_ASSERT</code> instead of <code>assert</code>.
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</li>
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<li>
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Fixed flush regression, see <a href="https://svn.boost.org/trac/boost/ticket/4590">#4590</a>
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</li>
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</ul>
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<h4>1.44</h4>
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<p>Lots of fixes in this version, almost all are by Steven Watanabe.</p>
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<p>File descriptor fixes:</p>
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<ul>
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<li>
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<strong>Breaking change:</strong>
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new constructors and <code>open</code> methods from file descriptors/handles for
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<code>file_descriptor</code>, <code>file_descriptor_source</code>
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and <code>file_descriptor_sink</code>. See
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<a title="File descriptor devices referece" href="classes/file_descriptor.html">the documentation</a>
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for details. The old methods are still available if you define
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<code>BOOST_IOSTREAMS_USE_DEPRECATED</code>
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(<a href="https://svn.boost.org/trac/boost/ticket/3517">#3517</a>).
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</li>
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<li>
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Add <code>BOOST_IOSTREAMS_DECL</code> to
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<code>file_descriptor_source</code> and
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<code>file_descriptor_sink</code> fixing their use in dynamic libraries
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(<a href="https://svn.boost.org/trac/boost/ticket/4335">#4335</a>).
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</li>
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<li>
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Rejigger <code>file_descriptors</code> handling of
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<code>std::ios_base::openmode</code> to match <code>std::fstream</code>.
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In particular, truncate existing files, if
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<code>std::ios_base::trunc</code> is passed
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(<a href="https://svn.boost.org/trac/boost/ticket/3323">#3323</a>).
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</li>
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<li>
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Open files in append mode on Windows instead of seeking to the end at every
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write when <code>std::ios_base::app</code> is passed
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(<a href="https://svn.boost.org/trac/boost/ticket/3323">#3323</a>).
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</li>
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</ul>
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<p>Compression/decompression fixes:</p>
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<ul>
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<li>
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Don't end the stream produced by a reading through a symmetric_filter
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prematurely
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(<a href="https://svn.boost.org/trac/boost/ticket/2318">#2318</a>).
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</li>
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<li>
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Allow building zlib 1.2.4+, using a glob to include only source files that
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actually exist
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(<a href="https://svn.boost.org/trac/boost/ticket/4091">#4091</a>).
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</li>
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<li>
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Fix compressing an empty string.
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</li>
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<li>
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Allow bzip2 filters to be closed even if no input has been read
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(<a href="https://svn.boost.org/trac/boost/ticket/3348">#3348</a>).
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</li>
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<li>
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Throw an exception on an unexpected end of file in
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<code>bzip2_decompressor</code> instead of going into an infinite loop
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(<a href="https://svn.boost.org/trac/boost/ticket/2783">#2783</a>).
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</li>
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<li>
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Reset the crc for zlib when we reuse a filter.
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</li>
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<li>
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Make <code>gzip_decompressor</code> a <code>DualUseFilter</code>
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(<a href="https://svn.boost.org/trac/boost/ticket/1579">#1579</a>).
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</li>
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<li>
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Allow <code>bzip2_decompressor</code> to process multiple concatenated
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streams
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(<a href="https://svn.boost.org/trac/boost/ticket/3853">#3853</a>).
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</li>
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</ul>
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<p>Other fixes:</p>
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<ul>
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<li>
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Make <code>aggregate_filter</code> work with wide characters
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(<a href="https://svn.boost.org/trac/boost/ticket/3851">#3851</a>).
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</li>
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<li>
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Make <code>symmetric_filter</code> compile with <code>wchar_t</code>
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(<a href="https://svn.boost.org/trac/boost/ticket/3279">#3279</a>).
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</li>
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<li>
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Fix <code>boost/iostreams/detail/resolve.hpp</code> compilation on xlc.
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</li>
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<li>
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Fix definition of <code>multichar_dual_use_filter_tag</code>
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(<a href="https://svn.boost.org/trac/boost/ticket/3689">#3689</a>).
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</li>
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<li>
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Make <code>concept_adapter</code> work with custom <code>char_traits</code>
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(<a href="https://svn.boost.org/trac/boost/ticket/2356">#2356</a>).
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</li>
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<li>
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On windows, open mapped files with just read/write permissions, rather than
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full control - which might not be available
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(<a href="https://svn.boost.org/trac/boost/ticket/2996">#2996</a>).
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</li>
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<li>
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Make sure that <code>direct_streambuf</code> and
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<code>indirect_streambuf</code> are reset correctly on open
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(<a href="https://svn.boost.org/trac/boost/ticket/4102">#4102</a>).
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</li>
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<li>
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Make <code>basic_file</code> and <code>basic_file_sync</code>
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<code>Flushable</code>
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(<a href="https://svn.boost.org/trac/boost/ticket/2998">#2998</a>).
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</li>
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<li>
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Several documentation improvements, including
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documenting private mapping with <code>mapped_file</code>
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(<a href="https://svn.boost.org/trac/boost/ticket/1612">#1612</a>).
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</li>
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<li>
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Make the tests more reliable by using Boost.Filesystem's
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<code>unique_path</code> instead of <code>tmpnam</code>
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(<a href="https://svn.boost.org/trac/boost/ticket/2325">#2325</a>).
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</li>
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</ul>
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<h4>1.43</h4>
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<p>
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More fixes.
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</p>
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<ul>
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<li>
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Fix <code>write_device_impl<ostream_tag></code>
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(<a href="https://svn.boost.org/trac/boost/ticket/3839">#3839</a>).
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</li>
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<li>
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Fix error checks after calling SetFilePointer
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(<a href="https://svn.boost.org/trac/boost/ticket/3953">#3953</a>).
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</li>
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<li>
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Gzip filter shouldn't require its source to be peekable
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(<a href="https://svn.boost.org/trac/boost/ticket/3723">#3723</a>).
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</li>
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<li>
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In <code>position_to_offset</code>, only cast to
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<code>stream_offset</code> after calculating <code>_Myoff</code>
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(<a href="https://svn.boost.org/trac/boost/ticket/3969">#3969</a>).
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</li>
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<li>
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<code>ptrdiff_t</code> is in <code>std</code>
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(<a href="https://svn.boost.org/trac/boost/ticket/2505">#2505</a>).
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</li>
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</ul>
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<h4>1.42</h4>
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<p>
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Fixed many outstanding issues. Thanks to Richard Smith for working on a lot
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of these changes.
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</p>
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<ul>
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<li>
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Allocate exceptions on the stack, not the heap (<a href="https://svn.boost.org/trac/boost/ticket/3612">#3612</a>).
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</li>
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<li>
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Fix unthrown exceptions. (<a href="https://svn.boost.org/trac/boost/ticket/3311">#3311</a>).
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</li>
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<li>
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Use <code>boost::throw_exception</code> to throw exceptions
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(<a href="https://svn.boost.org/trac/boost/ticket/2094">#2094</a>).
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</li>
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<li>
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Add missing include guard (<a href="https://svn.boost.org/trac/boost/ticket/3010">#3010</a>).
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</li>
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<li>
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Use the correct type for buffer_size and pback_size parameters (<a href="https://svn.boost.org/trac/boost/ticket/2894">#2894</a>).
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</li>
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<li>
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Support <code>boost::ref(std::istream)</code> in code_converter (<a href="https://svn.boost.org/trac/boost/ticket/3011">#3011</a>).
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</li>
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<li>
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Fix CRC on x64 during gzip decompression (<a href="https://svn.boost.org/trac/boost/ticket/3352">#3352</a>).
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</li>
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<li>
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Fix mapped file errors in windows (<a href="https://svn.boost.org/trac/boost/ticket/3505">#3505</a>).
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</li>
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<li>
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Improved support for Visual C++ 2010.
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</li>
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<li>
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Fix usage requirements in boost build.
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</li>
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<li>
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Fix some boundary checks in <code>restrict</code> and <code>slice</code>.
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</li>
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<li>
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Some minor documentation fixes.
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</li>
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<li>
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Avoid Apple macro substitutions for <code>check</code>.
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</li>
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</ul>
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<h4>1.41</h4>
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<p>
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Some old unreleased developments. There are still several open issues that
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should be fixed in the next version.
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</p>
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<ul>
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<li>
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Add a grep filter (<a href="https://svn.boost.org/trac/boost/ticket/1627">#1627</a>).
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</li>
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<li>
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Support archives with multiple members (<a href="https://svn.boost.org/trac/boost/ticket/1896">#1896</a>).
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</li>
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<li>
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Make <code><span class="identifier">tee</span></code> work with input
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streams (<a href="https://svn.boost.org/trac/boost/ticket/791">#791</a>).
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</li>
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<li>
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Improved filesystem interoperability.
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</li>
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<li>
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Several warnings fixed or suppressed (including
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<a href="https://svn.boost.org/trac/boost/ticket/1618">#1618</a>,
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<a href="https://svn.boost.org/trac/boost/ticket/1875">#1875</a>,
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<a href="https://svn.boost.org/trac/boost/ticket/2779">#2779</a>).
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</li>
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<li>
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Various other fixes (including
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<a href="https://svn.boost.org/trac/boost/ticket/1580">#1580</a>,
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<a href="https://svn.boost.org/trac/boost/ticket/1671">#1671</a>).
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</li>
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</ul>
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<h3>1.35</h3>
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<P>1. The semantics of <A HREF="functions/close.html"><CODE>close</CODE></A> has been modified:</P>
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<UL>
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<LI>Calling <CODE>close</CODE> with a <CODE>std::ios_base::openmode</CODE> other than <CODE>in</CODE> or <CODE>out</CODE> is deprecated.</LI>
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<LI>A new overload of <CODE>close</CODE> taking a single Device argument has been provided as a convenience.</LI>
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<LI><A HREF="concepts/dual_use_filter.html">DualUseFilters</A> receive only one closure notification.</LI>
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<LI><A HREF="guide/generic_streams.html">Generic streams and stream buffers</A> and <A HREF="guide/filtering_streams.html">filtering streams and stream buffers</A> are now <A HREF="concepts/closable.html">Closable</A>. For filtering streams and stream buffers, <CODE>close</CODE> calls <A HREF="classes/filtering_stream.html#pop"><CODE>pop</CODE></A>.
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</UL>
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<P><EM>These changes will break some existing code</EM>. They were necessary to resolve inconsistencies in the prior specification that resulted in a number of reported bugs.</P>
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<P>2. The function template <a href="functions/slice.html"><code>slice</code></a> has been introduced as an alias of <a href="functions/restrict.html"><code>restrict</code></a>, for platforms that treat <code>restrict</code> as a keyword.</P>
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<P>3. Numerous bugs have been fixed, many relating to <a href="functions/close.html"><code>close</code></a>, <a href="functions/copy.html"><code>copy</code></a>, and <a href="classes/file_descriptor.html">file descriptors</a>.</P>
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<P CLASS="copyright">© Copyright 2008 <a href="http://www.coderage.com/" target="_top">CodeRage, LLC</a><br/>© Copyright 2004-2007 <a href="https://www.boost.org/users/people/jonathan_turkanis.html" target="_top">Jonathan Turkanis</a></P>
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<P CLASS="copyright">
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Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at <A HREF="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</A>)
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