[Boost-bugs] [Boost C++ Libraries] #13075: gzip_decompressor cannot be pushed to filtering_stream if provided with input_seekable

Subject: [Boost-bugs] [Boost C++ Libraries] #13075: gzip_decompressor cannot be pushed to filtering_stream if provided with input_seekable
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2017-06-15 14:46:12

#13075: gzip_decompressor cannot be pushed to filtering_stream if provided with
input_seekable
------------------------------+-----------------------
 Reporter:  hellohee          |      Owner:  turkanis
     Type:  Bugs              |     Status:  new
Milestone:  To Be Determined  |  Component:  iostreams
  Version:  Boost 1.63.0      |   Severity:  Problem
 Keywords:  gzip, seekable    |
------------------------------+-----------------------
 There is a ticket regarding making filtering stream seekable:
 [https://svn.boost.org/trac/boost/ticket/2449]
 However, the solution doesn't apply to situations where gzip decompressor
 is pushed.

 boost::iostreams::filtering_stream<boost::iostreams::input_seekable>
 instream;
 boost::iostreams::file_source file(filename, std::ios_base::in |
 std::ios_base::binary);
 instream.push(boost::iostreams::gzip_decompressor());   // -> fails HERE
 instream.push(file);

--
Ticket URL: <https://svn.boost.org/trac10/boost/ticket/13075>
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