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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, 2010
      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 bits/basic_file.h
     31  *  This is an internal header file, included by other library headers.
     32  *  Do not attempt to use it directly. @headername{ios}
     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 namespace std _GLIBCXX_VISIBILITY(default)
     45 {
     46 _GLIBCXX_BEGIN_NAMESPACE_VERSION
     47 
     48   // Generic declaration.
     49   template<typename _CharT>
     50     class __basic_file;
     51 
     52   // Specialization.
     53   template<>
     54     class __basic_file<char>
     55     {
     56       // Underlying data source/sink.
     57       __c_file* 	_M_cfile;
     58 
     59       // True iff we opened _M_cfile, and thus must close it ourselves.
     60       bool 		_M_cfile_created;
     61 
     62     public:
     63       __basic_file(__c_lock* __lock = 0) throw ();
     64 
     65       __basic_file*
     66       open(const char* __name, ios_base::openmode __mode, int __prot = 0664);
     67 
     68       __basic_file*
     69       sys_open(__c_file* __file, ios_base::openmode);
     70 
     71       __basic_file*
     72       sys_open(int __fd, ios_base::openmode __mode) throw ();
     73 
     74       __basic_file*
     75       close();
     76 
     77       _GLIBCXX_PURE bool
     78       is_open() const throw ();
     79 
     80       _GLIBCXX_PURE int
     81       fd() throw ();
     82 
     83       _GLIBCXX_PURE __c_file*
     84       file() throw ();
     85 
     86       ~__basic_file();
     87 
     88       streamsize
     89       xsputn(const char* __s, streamsize __n);
     90 
     91       streamsize
     92       xsputn_2(const char* __s1, streamsize __n1,
     93 	       const char* __s2, streamsize __n2);
     94 
     95       streamsize
     96       xsgetn(char* __s, streamsize __n);
     97 
     98       streamoff
     99       seekoff(streamoff __off, ios_base::seekdir __way) throw ();
    100 
    101       int
    102       sync();
    103 
    104       streamsize
    105       showmanyc();
    106     };
    107 
    108 _GLIBCXX_END_NAMESPACE_VERSION
    109 } // namespace
    110 
    111 #endif
    112