1// Wrapper of C-language FILE struct -*- C++ -*- 
2 
3// Copyright (C) 2000-2019 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 <bits/move.h> // for swap 
42#include <ios> 
43 
44namespace 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#if __cplusplus >= 201103L 
66 __basic_file(__basic_file&& __rv, __c_lock* = 0) noexcept 
67 : _M_cfile(__rv._M_cfile), _M_cfile_created(__rv._M_cfile_created) 
68 { 
69 __rv._M_cfile = nullptr; 
70 __rv._M_cfile_created = false; 
71 } 
72 
73 __basic_file& operator=(const __basic_file&) = delete; 
74 __basic_file& operator=(__basic_file&&) = delete; 
75 
76 void 
77 swap(__basic_file& __f) noexcept 
78 { 
79 std::swap(_M_cfile, __f._M_cfile); 
80 std::swap(_M_cfile_created, __f._M_cfile_created); 
81 } 
82#endif 
83 
84 __basic_file* 
85 open(const char* __name, ios_base::openmode __mode, int __prot = 0664); 
86 
87#if _GLIBCXX_HAVE__WFOPEN && _GLIBCXX_USE_WCHAR_T 
88 __basic_file* 
89 open(const wchar_t* __name, ios_base::openmode __mode); 
90#endif 
91 
92 __basic_file* 
93 sys_open(__c_file* __file, ios_base::openmode); 
94 
95 __basic_file* 
96 sys_open(int __fd, ios_base::openmode __mode) throw (); 
97 
98 __basic_file* 
99 close(); 
100 
101 _GLIBCXX_PURE bool 
102 is_open() const throw (); 
103 
104 _GLIBCXX_PURE int 
105 fd() throw (); 
106 
107 _GLIBCXX_PURE __c_file* 
108 file() throw (); 
109 
110 ~__basic_file(); 
111 
112 streamsize 
113 xsputn(const char* __s, streamsize __n); 
114 
115 streamsize 
116 xsputn_2(const char* __s1, streamsize __n1, 
117 const char* __s2, streamsize __n2); 
118 
119 streamsize 
120 xsgetn(char* __s, streamsize __n); 
121 
122 streamoff 
123 seekoff(streamoff __off, ios_base::seekdir __way) throw (); 
124 
125 int 
126 sync(); 
127 
128 streamsize 
129 showmanyc(); 
130 }; 
131 
132_GLIBCXX_END_NAMESPACE_VERSION 
133} // namespace 
134 
135#endif 
136