libstdc++
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00001 // Wrapper of C-language FILE struct -*- C++ -*- 00002 00003 // Copyright (C) 2000-2013 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the 00007 // terms of the GNU General Public License as published by the 00008 // Free Software Foundation; either version 3, or (at your option) 00009 // any later version. 00010 00011 // This library is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 00016 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 // 00026 // ISO C++ 14882: 27.8 File-based streams 00027 // 00028 00029 /** @file bits/basic_file.h 00030 * This is an internal header file, included by other library headers. 00031 * Do not attempt to use it directly. @headername{ios} 00032 */ 00033 00034 #ifndef _GLIBCXX_BASIC_FILE_STDIO_H 00035 #define _GLIBCXX_BASIC_FILE_STDIO_H 1 00036 00037 #pragma GCC system_header 00038 00039 #include <bits/c++config.h> 00040 #include <bits/c++io.h> // for __c_lock and __c_file 00041 #include <ios> 00042 00043 namespace std _GLIBCXX_VISIBILITY(default) 00044 { 00045 _GLIBCXX_BEGIN_NAMESPACE_VERSION 00046 00047 // Generic declaration. 00048 template<typename _CharT> 00049 class __basic_file; 00050 00051 // Specialization. 00052 template<> 00053 class __basic_file<char> 00054 { 00055 // Underlying data source/sink. 00056 __c_file* _M_cfile; 00057 00058 // True iff we opened _M_cfile, and thus must close it ourselves. 00059 bool _M_cfile_created; 00060 00061 public: 00062 __basic_file(__c_lock* __lock = 0) throw (); 00063 00064 __basic_file* 00065 open(const char* __name, ios_base::openmode __mode, int __prot = 0664); 00066 00067 __basic_file* 00068 sys_open(__c_file* __file, ios_base::openmode); 00069 00070 __basic_file* 00071 sys_open(int __fd, ios_base::openmode __mode) throw (); 00072 00073 __basic_file* 00074 close(); 00075 00076 _GLIBCXX_PURE bool 00077 is_open() const throw (); 00078 00079 _GLIBCXX_PURE int 00080 fd() throw (); 00081 00082 _GLIBCXX_PURE __c_file* 00083 file() throw (); 00084 00085 ~__basic_file(); 00086 00087 streamsize 00088 xsputn(const char* __s, streamsize __n); 00089 00090 streamsize 00091 xsputn_2(const char* __s1, streamsize __n1, 00092 const char* __s2, streamsize __n2); 00093 00094 streamsize 00095 xsgetn(char* __s, streamsize __n); 00096 00097 streamoff 00098 seekoff(streamoff __off, ios_base::seekdir __way) throw (); 00099 00100 int 00101 sync(); 00102 00103 streamsize 00104 showmanyc(); 00105 }; 00106 00107 _GLIBCXX_END_NAMESPACE_VERSION 00108 } // namespace 00109 00110 #endif