# basic_file.h

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    00001 // Wrapper of C-language FILE struct -*- C++ -*-
    00002
    00003 // Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
    00004 // Free Software Foundation, Inc.
    00005 //
    00006 // This file is part of the GNU ISO C++ Library.  This library is free
    00007 // software; you can redistribute it and/or modify it under the
    00008 // terms of the GNU General Public License as published by the
    00009 // Free Software Foundation; either version 2, or (at your option)
    00010 // any later version.
    00011
    00012 // This library is distributed in the hope that it will be useful,
    00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00015 // GNU General Public License for more details.
    00016
    00017 // You should have received a copy of the GNU General Public License along
    00018 // with this library; see the file COPYING.  If not, write to the Free
    00019 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
    00020 // USA.
    00021
    00022 // As a special exception, you may use this file as part of a free software
    00023 // library without restriction.  Specifically, if other files instantiate
    00024 // templates or use macros or inline functions from this file, or you compile
    00025 // this file and link it with other files to produce an executable, this
    00026 // file does not by itself cause the resulting executable to be covered by
    00027 // the GNU General Public License.  This exception does not however
    00028 // invalidate any other reasons why the executable file might be covered by
    00029 // the GNU General Public License.
    00030
    00031 //
    00032 // ISO C++ 14882: 27.8  File-based streams
    00033 //
    00034
    00035 /** @file basic_file.h
    00036  *  This is an internal header file, included by other library headers.
    00037  *  You should not attempt to use it directly.
    00038  */
    00039
    00040 #ifndef _GLIBCXX_BASIC_FILE_STDIO_H
    00041 #define _GLIBCXX_BASIC_FILE_STDIO_H 1
    00042
    00043 #pragma GCC system_header
    00044
    00045 #include <bits/c++config.h>
    00046 #include <bits/c++io.h>  // for __c_lock and __c_file
    00047 #include <ios>
    00048
    00049 _GLIBCXX_BEGIN_NAMESPACE(std)
    00050
    00051   // Generic declaration.
    00052   template<typename _CharT>
    00053     class __basic_file;
    00054
    00055   // Specialization.
    00056   template<>
    00057     class __basic_file<char>
    00058     {
    00059       // Underlying data source/sink.
    00060       __c_file*     _M_cfile;
    00061
    00062       // True iff we opened _M_cfile, and thus must close it ourselves.
    00063       bool      _M_cfile_created;
    00064
    00065     public:
    00066       __basic_file(__c_lock* __lock = 0);
    00067
    00068       __basic_file*
    00069       open(const char* __name, ios_base::openmode __mode, int __prot = 0664);
    00070
    00071       __basic_file*
    00072       sys_open(__c_file* __file, ios_base::openmode);
    00073
    00074       __basic_file*
    00075       sys_open(int __fd, ios_base::openmode __mode);
    00076
    00077       __basic_file*
    00078       close();
    00079
    00080       bool
    00081       is_open() const;
    00082
    00083       int
    00084       fd();
    00085
    00086       __c_file*
    00087       file();
    00088
    00089       ~__basic_file();
    00090
    00091       streamsize
    00092       xsputn(const char* __s, streamsize __n);
    00093
    00094       streamsize
    00095       xsputn_2(const char* __s1, streamsize __n1,
    00096            const char* __s2, streamsize __n2);
    00097
    00098       streamsize
    00099       xsgetn(char* __s, streamsize __n);
    00100
    00101       streamoff
    00102       seekoff(streamoff __off, ios_base::seekdir __way);
    00103
    00104       int
    00105       sync();
    00106
    00107       streamsize
    00108       showmanyc();
    00109     };
    00110
    00111 _GLIBCXX_END_NAMESPACE
    00112
    00113 #endif