libstdc++
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00001 // Wrapper of C-language FILE struct -*- C++ -*- 00002 00003 // Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010 00004 // Free Software Foundation, Inc. 00005 // 00006 // This file is part of the GNU ISO C++ Library. This library is free 00007 // software; you can redistribute it and/or modify it under the 00008 // terms of the GNU General Public License as published by the 00009 // Free Software Foundation; either version 3, or (at your option) 00010 // any later version. 00011 00012 // This library is distributed in the hope that it will be useful, 00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 // GNU General Public License for more details. 00016 00017 // Under Section 7 of GPL version 3, you are granted additional 00018 // permissions described in the GCC Runtime Library Exception, version 00019 // 3.1, as published by the Free Software Foundation. 00020 00021 // You should have received a copy of the GNU General Public License and 00022 // a copy of the GCC Runtime Library Exception along with this program; 00023 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00024 // <http://www.gnu.org/licenses/>. 00025 00026 // 00027 // ISO C++ 14882: 27.8 File-based streams 00028 // 00029 00030 /** @file bits/basic_file.h 00031 * This is an internal header file, included by other library headers. 00032 * Do not attempt to use it directly. @headername{ios} 00033 */ 00034 00035 #ifndef _GLIBCXX_BASIC_FILE_STDIO_H 00036 #define _GLIBCXX_BASIC_FILE_STDIO_H 1 00037 00038 #pragma GCC system_header 00039 00040 #include <bits/c++config.h> 00041 #include <bits/c++io.h> // for __c_lock and __c_file 00042 #include <ios> 00043 00044 namespace std _GLIBCXX_VISIBILITY(default) 00045 { 00046 _GLIBCXX_BEGIN_NAMESPACE_VERSION 00047 00048 // Generic declaration. 00049 template<typename _CharT> 00050 class __basic_file; 00051 00052 // Specialization. 00053 template<> 00054 class __basic_file<char> 00055 { 00056 // Underlying data source/sink. 00057 __c_file* _M_cfile; 00058 00059 // True iff we opened _M_cfile, and thus must close it ourselves. 00060 bool _M_cfile_created; 00061 00062 public: 00063 __basic_file(__c_lock* __lock = 0) throw (); 00064 00065 __basic_file* 00066 open(const char* __name, ios_base::openmode __mode, int __prot = 0664); 00067 00068 __basic_file* 00069 sys_open(__c_file* __file, ios_base::openmode); 00070 00071 __basic_file* 00072 sys_open(int __fd, ios_base::openmode __mode) throw (); 00073 00074 __basic_file* 00075 close(); 00076 00077 _GLIBCXX_PURE bool 00078 is_open() const throw (); 00079 00080 _GLIBCXX_PURE int 00081 fd() throw (); 00082 00083 _GLIBCXX_PURE __c_file* 00084 file() throw (); 00085 00086 ~__basic_file(); 00087 00088 streamsize 00089 xsputn(const char* __s, streamsize __n); 00090 00091 streamsize 00092 xsputn_2(const char* __s1, streamsize __n1, 00093 const char* __s2, streamsize __n2); 00094 00095 streamsize 00096 xsgetn(char* __s, streamsize __n); 00097 00098 streamoff 00099 seekoff(streamoff __off, ios_base::seekdir __way) throw (); 00100 00101 int 00102 sync(); 00103 00104 streamsize 00105 showmanyc(); 00106 }; 00107 00108 _GLIBCXX_END_NAMESPACE_VERSION 00109 } // namespace 00110 00111 #endif