mingw/lib/gcc/mingw32/4.3.3/include/c++/mingw32/bits/basic_file.h

   1 // Wrapper of C-language FILE struct -*- C++ -*-
   2
   3 // Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
   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 2, 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 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  20 // USA.
  21
  22 // As a special exception, you may use this file as part of a free software
  23 // library without restriction.  Specifically, if other files instantiate
  24 // templates or use macros or inline functions from this file, or you compile
  25 // this file and link it with other files to produce an executable, this
  26 // file does not by itself cause the resulting executable to be covered by
  27 // the GNU General Public License.  This exception does not however
  28 // invalidate any other reasons why the executable file might be covered by
  29 // the GNU General Public License.
  30
  31 //
  32 // ISO C++ 14882: 27.8  File-based streams
  33 //
  34
  35 /** @file basic_file.h
  36  *  This is an internal header file, included by other library headers.
  37  *  You should not attempt to use it directly.
  38  */
  39
  40 #ifndef _GLIBCXX_BASIC_FILE_STDIO_H
  41 #define _GLIBCXX_BASIC_FILE_STDIO_H 1
  42
  43 #pragma GCC system_header
  44
  45 #include <bits/c++config.h>
  46 #include <bits/c++io.h>  // for __c_lock and __c_file
  47 #include <ios>
  48
  49 _GLIBCXX_BEGIN_NAMESPACE(std)
  50
  51   // Generic declaration.
  52   template<typename _CharT>
  53     class __basic_file;
  54
  55   // Specialization.
  56   template<>
  57     class __basic_file<char>
  58     {
  59       // Underlying data source/sink.
  60       __c_file*         _M_cfile;
  61
  62       // True iff we opened _M_cfile, and thus must close it ourselves.
  63       bool              _M_cfile_created;
  64
  65     public:
  66       __basic_file(__c_lock* __lock = 0);
  67
  68       __basic_file*
  69       open(const char* __name, ios_base::openmode __mode, int __prot = 0664);
  70
  71       __basic_file*
  72       sys_open(__c_file* __file, ios_base::openmode);
  73
  74       __basic_file*
  75       sys_open(int __fd, ios_base::openmode __mode);
  76
  77       __basic_file*
  78       close();
  79
  80       bool
  81       is_open() const;
  82
  83       int
  84       fd();
  85
  86       __c_file*
  87       file();
  88
  89       ~__basic_file();
  90
  91       streamsize
  92       xsputn(const char* __s, streamsize __n);
  93
  94       streamsize
  95       xsputn_2(const char* __s1, streamsize __n1,
  96                const char* __s2, streamsize __n2);
  97
  98       streamsize
  99       xsgetn(char* __s, streamsize __n);
 100
 101       streamoff
 102       seekoff(streamoff __off, ios_base::seekdir __way);
 103
 104       int
 105       sync();
 106
 107       streamsize
 108       showmanyc();
 109     };
 110
 111 _GLIBCXX_END_NAMESPACE
 112
 113 #endif