diff options
Diffstat (limited to 'contrib/libstdc++/include/ext/stdio_filebuf.h')
| -rw-r--r-- | contrib/libstdc++/include/ext/stdio_filebuf.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/contrib/libstdc++/include/ext/stdio_filebuf.h b/contrib/libstdc++/include/ext/stdio_filebuf.h new file mode 100644 index 0000000..1b0d5ae --- /dev/null +++ b/contrib/libstdc++/include/ext/stdio_filebuf.h @@ -0,0 +1,113 @@ +// File descriptor layer for filebuf -*- C++ -*- + +// Copyright (C) 2002 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// USA. + +// As a special exception, you may use this file as part of a free software +// library without restriction. Specifically, if other files instantiate +// templates or use macros or inline functions from this file, or you compile +// this file and link it with other files to produce an executable, this +// file does not by itself cause the resulting executable to be covered by +// the GNU General Public License. This exception does not however +// invalidate any other reasons why the executable file might be covered by +// the GNU General Public License. + +#include <fstream> + +namespace __gnu_cxx +{ + template<typename _CharT, typename _Traits = std::char_traits<_CharT> > + class stdio_filebuf : public std::basic_filebuf<_CharT, _Traits> + { + public: + // Types: + typedef _CharT char_type; + typedef _Traits traits_type; + typedef typename traits_type::int_type int_type; + typedef typename traits_type::pos_type pos_type; + typedef typename traits_type::off_type off_type; + + protected: + // Stack-based buffer for unbuffered input. + char_type _M_unbuf[4]; + + public: + stdio_filebuf(int __fd, std::ios_base::openmode __mode, bool __del, + int_type __size); + + stdio_filebuf(std::__c_file* __f, std::ios_base::openmode __mode, + int_type __size = static_cast<int_type>(BUFSIZ)); + + virtual + ~stdio_filebuf(); + + int + fd() + { return _M_file.fd(); } + }; + + template<typename _CharT, typename _Traits> + stdio_filebuf<_CharT, _Traits>::~stdio_filebuf() + { } + + template<typename _CharT, typename _Traits> + stdio_filebuf<_CharT, _Traits>:: + stdio_filebuf(int __fd, std::ios_base::openmode __mode, bool __del, + int_type __size) + { + _M_file.sys_open(__fd, __mode, __del); + if (this->is_open()) + { + _M_mode = __mode; + _M_buf_size_opt = __size; + + if (__size > 0 && __size < 4) + { + _M_buf = _M_unbuf; + _M_buf_size = __size; + } + else + _M_allocate_internal_buffer(); + + _M_set_indeterminate(); + } + } + + template<typename _CharT, typename _Traits> + stdio_filebuf<_CharT, _Traits>:: + stdio_filebuf(std::__c_file* __f, std::ios_base::openmode __mode, + int_type __size) + { + _M_file.sys_open(__f, __mode); + if (this->is_open()) + { + _M_mode = __mode; + _M_buf_size_opt = __size; + + if (__size > 0 && __size < 4) + { + _M_buf = _M_unbuf; + _M_buf_size = __size; + } + else + _M_allocate_internal_buffer(); + + _M_set_indeterminate(); + } + } +} // namespace __gnu_cxx |
