136 lines
3.5 KiB
C++
136 lines
3.5 KiB
C++
// Wrapper of C-language FILE struct -*- C++ -*-
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// Copyright (C) 2000-2020 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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// 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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// 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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// ISO C++ 14882: 27.8 File-based streams
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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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#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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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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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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// True iff we opened _M_cfile, and thus must close it ourselves.
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bool _M_cfile_created;
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public:
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__basic_file(__c_lock* __lock = 0) throw ();
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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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__basic_file& operator=(const __basic_file&) = delete;
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__basic_file& operator=(__basic_file&&) = delete;
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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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__basic_file*
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open(const char* __name, ios_base::openmode __mode, int __prot = 0664);
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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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__basic_file*
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sys_open(__c_file* __file, ios_base::openmode);
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__basic_file*
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sys_open(int __fd, ios_base::openmode __mode) throw ();
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__basic_file*
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close();
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_GLIBCXX_PURE bool
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is_open() const throw ();
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_GLIBCXX_PURE int
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fd() throw ();
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_GLIBCXX_PURE __c_file*
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file() throw ();
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~__basic_file();
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streamsize
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xsputn(const char* __s, streamsize __n);
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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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streamsize
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xsgetn(char* __s, streamsize __n);
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streamoff
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seekoff(streamoff __off, ios_base::seekdir __way) throw ();
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int
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sync();
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streamsize
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showmanyc();
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};
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace
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#endif
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