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ͅ_I|+ ? // Iostreams base classes -*- C++ -*-
// Copyright (C) 1997-2013 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// .
/** @file bits/ios_base.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{ios}
*/
//
// ISO C++ 14882: 27.4 Iostreams base classes
//
#ifndef _IOS_BASE_H
#define _IOS_BASE_H 1
#pragma GCC system_header
#include
#include
#include
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
// The following definitions of bitmask types are enums, not ints,
// as permitted (but not required) in the standard, in order to provide
// better type safety in iostream calls. A side effect is that
// expressions involving them are no longer compile-time constants.
enum _Ios_Fmtflags
{
_S_boolalpha = 1L << 0,
_S_dec = 1L << 1,
_S_fixed = 1L << 2,
_S_hex = 1L << 3,
_S_internal = 1L << 4,
_S_left = 1L << 5,
_S_oct = 1L << 6,
_S_right = 1L << 7,
_S_scientific = 1L << 8,
_S_showbase = 1L << 9,
_S_showpoint = 1L << 10,
_S_showpos = 1L << 11,
_S_skipws = 1L << 12,
_S_unitbuf = 1L << 13,
_S_uppercase = 1L << 14,
_S_adjustfield = _S_left | _S_right | _S_internal,
_S_basefield = _S_dec | _S_oct | _S_hex,
_S_floatfield = _S_scientific | _S_fixed,
_S_ios_fmtflags_end = 1L << 16
};
inline _GLIBCXX_CONSTEXPR _Ios_Fmtflags
operator&(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
{ return _Ios_Fmtflags(static_cast(__a) & static_cast(__b)); }
inline _GLIBCXX_CONSTEXPR _Ios_Fmtflags
operator|(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
{ return _Ios_Fmtflags(static_cast(__a) | static_cast(__b)); }
inline _GLIBCXX_CONSTEXPR _Ios_Fmtflags
operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
{ return _Ios_Fmtflags(static_cast(__a) ^ static_cast(__b)); }
inline _GLIBCXX_CONSTEXPR _Ios_Fmtflags
operator~(_Ios_Fmtflags __a)
{ return _Ios_Fmtflags(~static_cast(__a)); }
inline const _Ios_Fmtflags&
operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
{ return __a = __a | __b; }
inline const _Ios_Fmtflags&
operator&=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
{ return __a = __a & __b; }
inline const _Ios_Fmtflags&
operator^=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
{ return __a = __a ^ __b; }
enum _Ios_Openmode
{
_S_app = 1L << 0,
_S_ate = 1L << 1,
_S_bin = 1L << 2,
_S_in = 1L << 3,
_S_out = 1L << 4,
_S_trunc = 1L << 5,
_S_ios_openmode_end = 1L << 16
};
inline _GLIBCXX_CONSTEXPR _Ios_Openmode
operator&(_Ios_Openmode __a, _Ios_Openmode __b)
{ return _Ios_Openmode(static_cast(__a) & static_cast(__b)); }
inline _GLIBCXX_CONSTEXPR _Ios_Openmode
operator|(_Ios_Openmode __a, _Ios_Openmode __b)
{ return _Ios_Openmode(static_ca