mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-22 18:09:38 +08:00
5cdd50a591
2002-04-30 Benjamin Kosnik <bkoz@redhat.com> * include/ext/stdio_filebuf.h: New file. * include/ext/enc_filebuf.h: New file. * config/io/basic_file_stdio.h (__basic_file::sys_open): Add fd ctor. * config/io/basic_file_stdio.cc: Same. * include/bits/fstream.tcc (filebuf::_M_allocate_internal_buffer): Remove _M_unbuf hacks. (filebuf::_M_destroy_internal_buffer): Same. (filebuf::filebuf(cfile, openmode, int_type): Remove definition. (filebuf::fd): Remove. * include/std/std_fstream.h (filebuf::_M_unbuf): Remove. (filebuf::filebuf(__c_file*, openmode, int_type)): Remove. (filebuf::fd): Remove. * src/ios.cc (ios_base::_S_ios_create): Change to use specialized filebufs. (ios_base::_S_ios_destroy): Same. * src/misc-inst.cc (file_filebuf<char>): Add instantiation. * include/Makefile.am (ext_headers): Add ext_filebuf.h, stdio_filebuf.h. * include/Makefile.in: Regenerate. From-SVN: r52961
62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
// __enc_traits 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>
|
|
#include <locale>
|
|
|
|
namespace __gnu_cxx
|
|
{
|
|
// Custom traits type with __enc_traits for state type, all other bits
|
|
// equivalent to the required char_traits instantiations.
|
|
template<typename _CharT>
|
|
struct enc_char_traits: public std::char_traits<_CharT>
|
|
{
|
|
typedef std::__enc_traits state_type;
|
|
};
|
|
|
|
template<typename _CharT>
|
|
class enc_filebuf
|
|
: public std::basic_filebuf<_CharT, enc_char_traits<_CharT> >
|
|
{
|
|
public:
|
|
typedef typename enc_char_traits<_CharT>::state_type state_type;
|
|
|
|
enc_filebuf(state_type& __state)
|
|
: std::basic_filebuf<_CharT, enc_char_traits<_CharT> >()
|
|
{
|
|
// Set state type to something useful.
|
|
// Something more than copyconstructible is needed here, so
|
|
// require copyconstructible + assignment operator.
|
|
__glibcpp_class_requires(state_type, _SGIAssignableConcept);
|
|
_M_state_cur = __state;
|
|
_M_state_cur._M_init();
|
|
};
|
|
};
|
|
} // namespace __gnu_cxx
|