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