1 // Wrapper of C-language FILE struct -*- C++ -*- 2 3 // Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 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 3, 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 // Under Section 7 of GPL version 3, you are granted additional 18 // permissions described in the GCC Runtime Library Exception, version 19 // 3.1, as published by the Free Software Foundation. 20 21 // You should have received a copy of the GNU General Public License and 22 // a copy of the GCC Runtime Library Exception along with this program; 23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 // <http://www.gnu.org/licenses/>. 25 26 // 27 // ISO C++ 14882: 27.8 File-based streams 28 // 29 30 /** @file basic_file.h 31 * This is an internal header file, included by other library headers. 32 * You should not attempt to use it directly. 33 */ 34 35 #ifndef _GLIBCXX_BASIC_FILE_STDIO_H 36 #define _GLIBCXX_BASIC_FILE_STDIO_H 1 37 38 #pragma GCC system_header 39 40 #include <bits/c++config.h> 41 #include <bits/c++io.h> // for __c_lock and __c_file 42 #include <ios> 43 44 _GLIBCXX_BEGIN_NAMESPACE(std) 45 46 // Generic declaration. 47 template<typename _CharT> 48 class __basic_file; 49 50 // Specialization. 51 template<> 52 class __basic_file<char> 53 { 54 // Underlying data source/sink. 55 __c_file* _M_cfile; 56 57 // True iff we opened _M_cfile, and thus must close it ourselves. 58 bool _M_cfile_created; 59 60 public: 61 __basic_file(__c_lock* __lock = 0) throw (); 62 63 __basic_file* 64 open(const char* __name, ios_base::openmode __mode, int __prot = 0664); 65 66 __basic_file* 67 sys_open(__c_file* __file, ios_base::openmode); 68 69 __basic_file* 70 sys_open(int __fd, ios_base::openmode __mode) throw (); 71 72 __basic_file* 73 close(); 74 75 _GLIBCXX_PURE bool 76 is_open() const throw (); 77 78 _GLIBCXX_PURE int 79 fd() throw (); 80 81 _GLIBCXX_PURE __c_file* 82 file() throw (); 83 84 ~__basic_file(); 85 86 streamsize 87 xsputn(const char* __s, streamsize __n); 88 89 streamsize 90 xsputn_2(const char* __s1, streamsize __n1, 91 const char* __s2, streamsize __n2); 92 93 streamsize 94 xsgetn(char* __s, streamsize __n); 95 96 streamoff 97 seekoff(streamoff __off, ios_base::seekdir __way) throw (); 98 99 int 100 sync(); 101 102 streamsize 103 showmanyc(); 104 }; 105 106 _GLIBCXX_END_NAMESPACE 107 108 #endif 109