1// Wrapper of C-language FILE struct -*- C++ -*-
2
3// Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005
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 _BASIC_FILE_STDIO_H
41#define _BASIC_FILE_STDIO_H 1
42
43#pragma GCC system_header
44
45#include <bits/c++config.h>
46#include <ios>
47
48_GLIBCXX_BEGIN_NAMESPACE(std)
49
50  // Generic declaration.
51  template<typename _CharT>
52    class __basic_file;
53
54  // Specialization.
55  template<>
56    class __basic_file<char>
57    {
58      // Underlying data source/sink.
59      __c_file* 	_M_cfile;
60
61      // True iff we opened _M_cfile, and thus must close it ourselves.
62      bool 		_M_cfile_created;
63
64    public:
65      __basic_file(__c_lock* __lock = 0);
66
67      __basic_file*
68      open(const char* __name, ios_base::openmode __mode, int __prot = 0664);
69
70      __basic_file*
71      sys_open(__c_file* __file, ios_base::openmode);
72
73      __basic_file*
74      sys_open(int __fd, ios_base::openmode __mode);
75
76      __basic_file*
77      close();
78
79      bool
80      is_open() const;
81
82      int
83      fd();
84
85      __c_file*
86      file();
87
88      ~__basic_file();
89
90      streamsize
91      xsputn(const char* __s, streamsize __n);
92
93      streamsize
94      xsputn_2(const char* __s1, streamsize __n1,
95	       const char* __s2, streamsize __n2);
96
97      streamsize
98      xsgetn(char* __s, streamsize __n);
99
100      streamoff
101      seekoff(streamoff __off, ios_base::seekdir __way);
102
103      int
104      sync();
105
106      streamsize
107      showmanyc();
108    };
109
110_GLIBCXX_END_NAMESPACE
111
112#endif
113