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      1 // Wrapper of C-language FILE struct -*- C++ -*-
      2 
      3 // Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009
      4 // Free Software Foundation, Inc.
      5 //
      6 // This file is part of the GNU ISO C++ Library.  This library is free
      7 // software; you can redistribute it and/or modify it under the
      8 // terms of the GNU General Public License as published by the
      9 // Free Software Foundation; either version 3, or (at your option)
     10 // any later version.
     11 
     12 // This library is distributed in the hope that it will be useful,
     13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
     14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     15 // GNU General Public License for more details.
     16 
     17 // Under Section 7 of GPL version 3, you are granted additional
     18 // permissions described in the GCC Runtime Library Exception, version
     19 // 3.1, as published by the Free Software Foundation.
     20 
     21 // You should have received a copy of the GNU General Public License and
     22 // a copy of the GCC Runtime Library Exception along with this program;
     23 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     24 // <http://www.gnu.org/licenses/>.
     25 
     26 //
     27 // ISO C++ 14882: 27.8  File-based streams
     28 //
     29 
     30 /** @file basic_file.h
     31  *  This is an internal header file, included by other library headers.
     32  *  You should not attempt to use it directly.
     33  */
     34 
     35 #ifndef _GLIBCXX_BASIC_FILE_STDIO_H
     36 #define _GLIBCXX_BASIC_FILE_STDIO_H 1
     37 
     38 #pragma GCC system_header
     39 
     40 #include <bits/c++config.h>
     41 #include <bits/c++io.h>  // for __c_lock and __c_file
     42 #include <ios>
     43 
     44 _GLIBCXX_BEGIN_NAMESPACE(std)
     45 
     46   // Generic declaration.
     47   template<typename _CharT>
     48     class __basic_file;
     49 
     50   // Specialization.
     51   template<>
     52     class __basic_file<char>
     53     {
     54       // Underlying data source/sink.
     55       __c_file* 	_M_cfile;
     56 
     57       // True iff we opened _M_cfile, and thus must close it ourselves.
     58       bool 		_M_cfile_created;
     59 
     60     public:
     61       __basic_file(__c_lock* __lock = 0);
     62 
     63       __basic_file*
     64       open(const char* __name, ios_base::openmode __mode, int __prot = 0664);
     65 
     66       __basic_file*
     67       sys_open(__c_file* __file, ios_base::openmode);
     68 
     69       __basic_file*
     70       sys_open(int __fd, ios_base::openmode __mode);
     71 
     72       __basic_file*
     73       close();
     74 
     75       bool
     76       is_open() const;
     77 
     78       int
     79       fd();
     80 
     81       __c_file*
     82       file();
     83 
     84       ~__basic_file();
     85 
     86       streamsize
     87       xsputn(const char* __s, streamsize __n);
     88 
     89       streamsize
     90       xsputn_2(const char* __s1, streamsize __n1,
     91 	       const char* __s2, streamsize __n2);
     92 
     93       streamsize
     94       xsgetn(char* __s, streamsize __n);
     95 
     96       streamoff
     97       seekoff(streamoff __off, ios_base::seekdir __way);
     98 
     99       int
    100       sync();
    101 
    102       streamsize
    103       showmanyc();
    104     };
    105 
    106 _GLIBCXX_END_NAMESPACE
    107 
    108 #endif
    109