sbuild-nostream.h

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00001 /* Copyright © 2005-2006  Roger Leigh <rleigh@debian.org>
00002  *
00003  * schroot is free software; you can redistribute it and/or modify it
00004  * under the terms of the GNU General Public License as published by
00005  * the Free Software Foundation; either version 2 of the License, or
00006  * (at your option) any later version.
00007  *
00008  * schroot is distributed in the hope that it will be useful, but
00009  * WITHOUT ANY WARRANTY; without even the implied warranty of
00010  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011  * General Public License for more details.
00012  *
00013  * You should have received a copy of the GNU General Public License
00014  * along with this program; if not, write to the Free Software
00015  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
00016  * MA  02111-1307  USA
00017  *
00018  *********************************************************************/
00019 
00020 #ifndef SBUILD_NOSTREAM_H
00021 #define SBUILD_NOSTREAM_H
00022 
00023 #include <streambuf>
00024 #include <ostream>
00025 
00026 namespace sbuild
00027 {
00028 
00033   template <class cT, class traits = std::char_traits<cT> >
00034   class basic_nbuf: public std::basic_streambuf<cT, traits>
00035   {
00042     typename traits::int_type
00043     overflow (typename traits::int_type c)
00044     {
00045       return traits::not_eof(c); // indicate success
00046     }
00047   };
00048 
00053   template <class cT, class traits = std::char_traits<cT> >
00054   class basic_nostream: public std::basic_ostream<cT, traits>
00055   {
00056   public:
00058     basic_nostream ():
00059       std::basic_ios<cT, traits>(&nbuf),
00060       std::basic_ostream<cT, traits>(&nbuf)
00061     {
00062       init(&nbuf);
00063     }
00064 
00065   private:
00067     basic_nbuf<cT, traits> nbuf;
00068   };
00069 
00071   typedef basic_nostream<char> nostream;
00073   typedef basic_nostream<wchar_t> wnostream;
00074 
00076   extern nostream cnull;
00077 
00078 }
00079 
00080 #endif /* SBUILD_NOSTREAM_H */
00081 
00082 /*
00083  * Local Variables:
00084  * mode:C++
00085  * End:
00086  */

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