// 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->rdstate() & this->exceptions()))
- __throw_ios_failure("basic_ios::clear");
+ if (this->exceptions() & this->rdstate())
+ __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;
{
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 292. effects of a.copyfmt (a)
- if (this == &__rhs)
- return *this;
-
- // 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)
- __cb->_M_add_reference();
- _M_call_callbacks(erase_event);
- if (_M_word != _M_local_word)
+ if (this != &__rhs)
{
- delete [] _M_word;
- _M_word = 0;
+ // 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)
+ __cb->_M_add_reference();
+ _M_call_callbacks(erase_event);
+ 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;
+ for (int __i = 0; __i < __rhs._M_word_size; ++__i)
+ __words[__i] = __rhs._M_word[__i];
+ _M_word = __words;
+ _M_word_size = __rhs._M_word_size;
+
+ this->flags(__rhs.flags());
+ this->width(__rhs.width());
+ this->precision(__rhs.precision());
+ this->tie(__rhs.tie());
+ 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());
}
- _M_dispose_callbacks();
-
- // NB: Don't want any added during above.
- _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->tie(__rhs.tie());
- 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
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