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// Wrapper of C-language FILE struct -*- C++ -*- |
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// Copyright (C) 2000-2021 Free Software Foundation, Inc. |
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// |
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// This file is part of the GNU ISO C++ Library. This library is free |
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// software; you can redistribute it and/or modify it under the |
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// terms of the GNU General Public License as published by the |
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// Free Software Foundation; either version 3, or (at your option) |
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// any later version. |
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// This library is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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|
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// Under Section 7 of GPL version 3, you are granted additional |
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// permissions described in the GCC Runtime Library Exception, version |
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// 3.1, as published by the Free Software Foundation. |
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|
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// You should have received a copy of the GNU General Public License and |
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// a copy of the GCC Runtime Library Exception along with this program; |
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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// <http://www.gnu.org/licenses/>. |
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|
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// |
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// ISO C++ 14882: 27.8 File-based streams |
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// |
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|
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/** @file bits/basic_file.h |
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* This is an internal header file, included by other library headers. |
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* Do not attempt to use it directly. @headername{ios} |
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*/ |
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#ifndef _GLIBCXX_BASIC_FILE_STDIO_H |
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#define _GLIBCXX_BASIC_FILE_STDIO_H 1 |
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|
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#pragma GCC system_header |
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#include <bits/c++config.h> |
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#include <bits/c++io.h> // for __c_lock and __c_file |
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#include <bits/move.h> // for swap |
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#include <ios> |
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|
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namespace std _GLIBCXX_VISIBILITY(default) |
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{ |
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_GLIBCXX_BEGIN_NAMESPACE_VERSION |
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|
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// Generic declaration. |
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template<typename _CharT> |
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class __basic_file; |
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// Specialization. |
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template<> |
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class __basic_file<char> |
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{ |
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// Underlying data source/sink. |
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__c_file* _M_cfile; |
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|
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// True iff we opened _M_cfile, and thus must close it ourselves. |
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bool _M_cfile_created; |
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|
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public: |
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__basic_file(__c_lock* __lock = 0) throw (); |
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|
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#if __cplusplus >= 201103L |
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__basic_file(__basic_file&& __rv, __c_lock* = 0) noexcept |
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: _M_cfile(__rv._M_cfile), _M_cfile_created(__rv._M_cfile_created) |
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{ |
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__rv._M_cfile = nullptr; |
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__rv._M_cfile_created = false; |
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} |
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|
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__basic_file& operator=(const __basic_file&) = delete; |
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__basic_file& operator=(__basic_file&&) = delete; |
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|
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void |
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swap(__basic_file& __f) noexcept |
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{ |
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std::swap(_M_cfile, __f._M_cfile); |
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std::swap(_M_cfile_created, __f._M_cfile_created); |
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} |
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#endif |
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|
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__basic_file* |
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open(const char* __name, ios_base::openmode __mode, int __prot = 0664); |
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|
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#if _GLIBCXX_HAVE__WFOPEN && _GLIBCXX_USE_WCHAR_T |
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__basic_file* |
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open(const wchar_t* __name, ios_base::openmode __mode); |
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#endif |
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|
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__basic_file* |
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sys_open(__c_file* __file, ios_base::openmode); |
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|
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__basic_file* |
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sys_open(int __fd, ios_base::openmode __mode) throw (); |
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|
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__basic_file* |
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close(); |
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|
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_GLIBCXX_PURE bool |
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is_open() const throw (); |
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|
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_GLIBCXX_PURE int |
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fd() throw (); |
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|
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_GLIBCXX_PURE __c_file* |
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file() throw (); |
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|
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~__basic_file(); |
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|
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streamsize |
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xsputn(const char* __s, streamsize __n); |
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|
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streamsize |
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xsputn_2(const char* __s1, streamsize __n1, |
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const char* __s2, streamsize __n2); |
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|
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streamsize |
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xsgetn(char* __s, streamsize __n); |
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|
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streamoff |
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seekoff(streamoff __off, ios_base::seekdir __way) throw (); |
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|
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int |
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sync(); |
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|
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streamsize |
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showmanyc(); |
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}; |
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|
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_GLIBCXX_END_NAMESPACE_VERSION |
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} // namespace |
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|
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#endif |
