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