// basic_ios member functions -*- C++ -*-
-// Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
+// Copyright (C) 1999-2020 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 2, or (at your option)
+// 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,
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-// USA.
+// 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.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// 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
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/basic_ios.tcc
+ * This is an internal header file, included by other library headers.
+ * Do not attempt to use it directly. @headername{ios}
+ */
#ifndef _BASIC_IOS_TCC
#define _BASIC_IOS_TCC 1
#pragma GCC system_header
-namespace std
+namespace std _GLIBCXX_VISIBILITY(default)
{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
template<typename _CharT, typename _Traits>
void
basic_ios<_CharT, _Traits>::clear(iostate __state)
- {
+ {
if (this->rdbuf())
_M_streambuf_state = __state;
else
_M_streambuf_state = __state | badbit;
if (this->exceptions() & this->rdstate())
- __throw_ios_failure("basic_ios::clear");
+ __throw_ios_failure(__N("basic_ios::clear"));
}
-
+
template<typename _CharT, typename _Traits>
- basic_streambuf<_CharT, _Traits>*
+ basic_streambuf<_CharT, _Traits>*
basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf<_CharT, _Traits>* __sb)
{
basic_streambuf<_CharT, _Traits>* __old = _M_streambuf;
{
// Per 27.1.1, do not call imbue, yet must trash all caches
// associated with imbue()
-
+
// Alloc any new word array first, so if it fails we have "rollback".
_Words* __words = (__rhs._M_word_size <= _S_local_word_size) ?
_M_local_word : new _Words[__rhs._M_word_size];
// Bump refs before doing callbacks, for safety.
_Callback_list* __cb = __rhs._M_callbacks;
- if (__cb)
+ if (__cb)
__cb->_M_add_reference();
_M_call_callbacks(erase_event);
- if (_M_word != _M_local_word)
+ if (_M_word != _M_local_word)
{
delete [] _M_word;
_M_word = 0;
_M_dispose_callbacks();
// NB: Don't want any added during above.
- _M_callbacks = __cb;
+ _M_callbacks = __cb;
for (int __i = 0; __i < __rhs._M_word_size; ++__i)
__words[__i] = __rhs._M_word[__i];
- if (_M_word != _M_local_word)
- {
- delete [] _M_word;
- _M_word = 0;
- }
_M_word = __words;
_M_word_size = __rhs._M_word_size;
-
+
this->flags(__rhs.flags());
this->width(__rhs.width());
this->precision(__rhs.precision());
this->fill(__rhs.fill());
_M_ios_locale = __rhs.getloc();
_M_cache_locale(_M_ios_locale);
-
+
_M_call_callbacks(copyfmt_event);
-
+
// The next is required to be the last assignment.
this->exceptions(__rhs.exceptions());
}
return *this;
}
- template<typename _CharT, typename _Traits>
- char
- basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const
- { return __check_facet(_M_ctype).narrow(__c, __dfault); }
-
- template<typename _CharT, typename _Traits>
- _CharT
- basic_ios<_CharT, _Traits>::widen(char __c) const
- { return __check_facet(_M_ctype).widen(__c); }
-
// Locales:
template<typename _CharT, typename _Traits>
locale
basic_ios<_CharT, _Traits>::_M_cache_locale(const locale& __loc)
{
if (__builtin_expect(has_facet<__ctype_type>(__loc), true))
- _M_ctype = &use_facet<__ctype_type>(__loc);
+ _M_ctype = std::__addressof(use_facet<__ctype_type>(__loc));
+ else
+ _M_ctype = 0;
+
if (__builtin_expect(has_facet<__num_put_type>(__loc), true))
- _M_num_put = &use_facet<__num_put_type>(__loc);
+ _M_num_put = std::__addressof(use_facet<__num_put_type>(__loc));
+ else
+ _M_num_put = 0;
+
if (__builtin_expect(has_facet<__num_get_type>(__loc), true))
- _M_num_get = &use_facet<__num_get_type>(__loc);
+ _M_num_get = std::__addressof(use_facet<__num_get_type>(__loc));
+ else
+ _M_num_get = 0;
}
// Inhibit implicit instantiations for required instantiations,
- // which are defined via explicit instantiations elsewhere.
- // NB: This syntax is a GNU extension.
+ // which are defined via explicit instantiations elsewhere.
#if _GLIBCXX_EXTERN_TEMPLATE
extern template class basic_ios<char>;
extern template class basic_ios<wchar_t>;
#endif
#endif
+
+_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
-#endif
+#endif