Re: [Boost-bugs] [Boost C++ Libraries] #3723: gzip_docompressor error - basic_array_source no putback member

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #3723: gzip_docompressor error - basic_array_source no putback member
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2010-03-01 02:26:15

#3723: gzip_docompressor error - basic_array_source no putback member
--------------------------+-------------------------------------------------
 Reporter:  jose          |       Owner:  turkanis   
     Type:  Bugs          |      Status:  new        
Milestone:  Boost 1.42.0  |   Component:  iostreams  
  Version:  Boost 1.41.0  |    Severity:  Showstopper
 Keywords:                |  
--------------------------+-------------------------------------------------

Comment(by nikiml):

 Would you accept this patch?
 Or is it not general enough?


 $ svn diff -r HEAD
 Index: detail/adapter/direct_adapter.hpp
 ===================================================================
 --- detail/adapter/direct_adapter.hpp   (revision 59992)
 +++ detail/adapter/direct_adapter.hpp   (working copy)
 @@ -116,6 +116,7 @@
      std::streamsize write(const char_type* s, std::streamsize n);
      std::streampos seek( stream_offset, BOOST_IOS::seekdir,
                           BOOST_IOS::openmode = BOOST_IOS::in |
 BOOST_IOS::out );
 +    bool putback(const char_type c);
      void close();
      void close(BOOST_IOS::openmode which);
  #ifndef BOOST_IOSTREAMS_NO_LOCALE
 @@ -204,6 +205,18 @@
  }

  template<typename Direct>
 +inline bool direct_adapter<Direct>::putback
 +    (const char_type c)
 +{
 +    pointers& get = ptrs_.first();
 +    if( get.ptr == get.beg )
 +        throw bad_putback();
 +    get.ptr -= 1;
 +    *get.ptr = c;
 +    return true;
 +}
 +
 +template<typename Direct>
  inline std::streamsize direct_adapter<Direct>::write
      (const char_type* s, std::streamsize n)
  {

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/3723#comment:1>
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