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      1 // Wrapper of C-language FILE struct -*- C++ -*-
      2 
      3 // Copyright (C) 2000-2013 Free Software Foundation, Inc.
      4 //
      5 // This file is part of the GNU ISO C++ Library.  This library is free
      6 // software; you can redistribute it and/or modify it under the
      7 // terms of the GNU General Public License as published by the
      8 // Free Software Foundation; either version 3, or (at your option)
      9 // any later version.
     10 
     11 // This library is distributed in the hope that it will be useful,
     12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14 // GNU General Public License for more details.
     15 
     16 // Under Section 7 of GPL version 3, you are granted additional
     17 // permissions described in the GCC Runtime Library Exception, version
     18 // 3.1, as published by the Free Software Foundation.
     19 
     20 // You should have received a copy of the GNU General Public License and
     21 // a copy of the GCC Runtime Library Exception along with this program;
     22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     23 // <http://www.gnu.org/licenses/>.
     24 
     25 //
     26 // ISO C++ 14882: 27.8  File-based streams
     27 //
     28 
     29 /** @file bits/basic_file.h
     30  *  This is an internal header file, included by other library headers.
     31  *  Do not attempt to use it directly. @headername{ios}
     32  */
     33 
     34 #ifndef _GLIBCXX_BASIC_FILE_STDIO_H
     35 #define _GLIBCXX_BASIC_FILE_STDIO_H 1
     36 
     37 #pragma GCC system_header
     38 
     39 #include <bits/c++config.h>
     40 #include <bits/c++io.h>  // for __c_lock and __c_file
     41 #include <ios>
     42 
     43 namespace std _GLIBCXX_VISIBILITY(default)
     44 {
     45 _GLIBCXX_BEGIN_NAMESPACE_VERSION
     46 
     47   // Generic declaration.
     48   template<typename _CharT>
     49     class __basic_file;
     50 
     51   // Specialization.
     52   template<>
     53     class __basic_file<char>
     54     {
     55       // Underlying data source/sink.
     56       __c_file* 	_M_cfile;
     57 
     58       // True iff we opened _M_cfile, and thus must close it ourselves.
     59       bool 		_M_cfile_created;
     60 
     61     public:
     62       __basic_file(__c_lock* __lock = 0) throw ();
     63 
     64       __basic_file*
     65       open(const char* __name, ios_base::openmode __mode, int __prot = 0664);
     66 
     67       __basic_file*
     68       sys_open(__c_file* __file, ios_base::openmode);
     69 
     70       __basic_file*
     71       sys_open(int __fd, ios_base::openmode __mode) throw ();
     72 
     73       __basic_file*
     74       close();
     75 
     76       _GLIBCXX_PURE bool
     77       is_open() const throw ();
     78 
     79       _GLIBCXX_PURE int
     80       fd() throw ();
     81 
     82       _GLIBCXX_PURE __c_file*
     83       file() throw ();
     84 
     85       ~__basic_file();
     86 
     87       streamsize
     88       xsputn(const char* __s, streamsize __n);
     89 
     90       streamsize
     91       xsputn_2(const char* __s1, streamsize __n1,
     92 	       const char* __s2, streamsize __n2);
     93 
     94       streamsize
     95       xsgetn(char* __s, streamsize __n);
     96 
     97       streamoff
     98       seekoff(streamoff __off, ios_base::seekdir __way) throw ();
     99 
    100       int
    101       sync();
    102 
    103       streamsize
    104       showmanyc();
    105     };
    106 
    107 _GLIBCXX_END_NAMESPACE_VERSION
    108 } // namespace
    109 
    110 #endif
    111