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 43namespace 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