--- /dev/null
+// basic_ios member functions -*- C++ -*-
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+// 2009, 2010, 2011 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
+// <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 _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(__N("basic_ios::clear"));
+ }
+
+ template<typename _CharT, typename _Traits>
+ basic_streambuf<_CharT, _Traits>*
+ basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf<_CharT, _Traits>* __sb)
+ {
+ basic_streambuf<_CharT, _Traits>* __old = _M_streambuf;
+ _M_streambuf = __sb;
+ this->clear();
+ return __old;
+ }
+
+ template<typename _CharT, typename _Traits>
+ basic_ios<_CharT, _Traits>&
+ basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs)
+ {
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 292. effects of a.copyfmt (a)
+ if (this != &__rhs)
+ {
+ // 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());
+ }
+ return *this;
+ }
+
+ // Locales:
+ template<typename _CharT, typename _Traits>
+ locale
+ basic_ios<_CharT, _Traits>::imbue(const locale& __loc)
+ {
+ locale __old(this->getloc());
+ ios_base::imbue(__loc);
+ _M_cache_locale(__loc);
+ if (this->rdbuf() != 0)
+ this->rdbuf()->pubimbue(__loc);
+ return __old;
+ }
+
+ template<typename _CharT, typename _Traits>
+ void
+ basic_ios<_CharT, _Traits>::init(basic_streambuf<_CharT, _Traits>* __sb)
+ {
+ // NB: This may be called more than once on the same object.
+ ios_base::_M_init();
+
+ // Cache locale data and specific facets used by iostreams.
+ _M_cache_locale(_M_ios_locale);
+
+ // NB: The 27.4.4.1 Postconditions Table specifies requirements
+ // after basic_ios::init() has been called. As part of this,
+ // fill() must return widen(' ') any time after init() has been
+ // called, which needs an imbued ctype facet of char_type to
+ // return without throwing an exception. Unfortunately,
+ // ctype<char_type> is not necessarily a required facet, so
+ // streams with char_type != [char, wchar_t] will not have it by
+ // default. Because of this, the correct value for _M_fill is
+ // constructed on the first call of fill(). That way,
+ // unformatted input and output with non-required basic_ios
+ // instantiations is possible even without imbuing the expected
+ // ctype<char_type> facet.
+ _M_fill = _CharT();
+ _M_fill_init = false;
+
+ _M_tie = 0;
+ _M_exception = goodbit;
+ _M_streambuf = __sb;
+ _M_streambuf_state = __sb ? goodbit : badbit;
+ }
+
+ template<typename _CharT, typename _Traits>
+ void
+ 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);
+ else
+ _M_ctype = 0;
+
+ if (__builtin_expect(has_facet<__num_put_type>(__loc), true))
+ _M_num_put = &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);
+ else
+ _M_num_get = 0;
+ }
+
+ // Inhibit implicit instantiations for required instantiations,
+ // which are defined via explicit instantiations elsewhere.
+#if _GLIBCXX_EXTERN_TEMPLATE
+ extern template class basic_ios<char>;
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+ extern template class basic_ios<wchar_t>;
+#endif
+#endif
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace std
+
+#endif
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