# 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
    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 _BASIC_FILE_STDIO_H
    00041 #define _BASIC_FILE_STDIO_H 1
    00042
    00043 #pragma GCC system_header
    00044
    00045 #include <bits/c++config.h>
    00046 #include <ios>
    00047
    00048 _GLIBCXX_BEGIN_NAMESPACE(std)
    00049
    00050   // Generic declaration.
    00051   template<typename _CharT>
    00052     class __basic_file;
    00053
    00054   // Specialization.
    00055   template<>
    00056     class __basic_file<char>
    00057     {
    00058       // Underlying data source/sink.
    00059       __c_file*     _M_cfile;
    00060
    00061       // True iff we opened _M_cfile, and thus must close it ourselves.
    00062       bool      _M_cfile_created;
    00063
    00064     public:
    00065       __basic_file(__c_lock* __lock = 0);
    00066
    00067       __basic_file*
    00068       open(const char* __name, ios_base::openmode __mode, int __prot = 0664);
    00069
    00070       __basic_file*
    00071       sys_open(__c_file* __file, ios_base::openmode);
    00072
    00073       __basic_file*
    00074       sys_open(int __fd, ios_base::openmode __mode);
    00075
    00076       __basic_file*
    00077       close();
    00078
    00079       bool
    00080       is_open() const;
    00081
    00082       int
    00083       fd();
    00084
    00085       __c_file*
    00086       file();
    00087
    00088       ~__basic_file();
    00089
    00090       streamsize
    00091       xsputn(const char* __s, streamsize __n);
    00092
    00093       streamsize
    00094       xsputn_2(const char* __s1, streamsize __n1,
    00095            const char* __s2, streamsize __n2);
    00096
    00097       streamsize
    00098       xsgetn(char* __s, streamsize __n);
    00099
    00100       streamoff
    00101       seekoff(streamoff __off, ios_base::seekdir __way);
    00102
    00103       int
    00104       sync();
    00105
    00106       streamsize
    00107       showmanyc();
    00108     };
    00109
    00110 _GLIBCXX_END_NAMESPACE
    00111
    00112 #endif