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 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 basic_file.h 00031 * This is an internal header file, included by other library headers. 00032 * You should not attempt to use it directly. 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 _GLIBCXX_BEGIN_NAMESPACE(std) 00045 00046 // Generic declaration. 00047 template<typename _CharT> 00048 class __basic_file; 00049 00050 // Specialization. 00051 template<> 00052 class __basic_file<char> 00053 { 00054 // Underlying data source/sink. 00055 __c_file* _M_cfile; 00056 00057 // True iff we opened _M_cfile, and thus must close it ourselves. 00058 bool _M_cfile_created; 00059 00060 public: 00061 __basic_file(__c_lock* __lock = 0); 00062 00063 __basic_file* 00064 open(const char* __name, ios_base::openmode __mode, int __prot = 0664); 00065 00066 __basic_file* 00067 sys_open(__c_file* __file, ios_base::openmode); 00068 00069 __basic_file* 00070 sys_open(int __fd, ios_base::openmode __mode); 00071 00072 __basic_file* 00073 close(); 00074 00075 bool 00076 is_open() const; 00077 00078 int 00079 fd(); 00080 00081 __c_file* 00082 file(); 00083 00084 ~__basic_file(); 00085 00086 streamsize 00087 xsputn(const char* __s, streamsize __n); 00088 00089 streamsize 00090 xsputn_2(const char* __s1, streamsize __n1, 00091 const char* __s2, streamsize __n2); 00092 00093 streamsize 00094 xsgetn(char* __s, streamsize __n); 00095 00096 streamoff 00097 seekoff(streamoff __off, ios_base::seekdir __way); 00098 00099 int 00100 sync(); 00101 00102 streamsize 00103 showmanyc(); 00104 }; 00105 00106 _GLIBCXX_END_NAMESPACE 00107 00108 #endif