libstdc++-v3/src/c++98/ios_locale.cc

   1 // Iostreams base classes -*- C++ -*-
   2
   3 // Copyright (C) 1997-2017 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // Under Section 7 of GPL version 3, you are granted additional
  17 // permissions described in the GCC Runtime Library Exception, version
  18 // 3.1, as published by the Free Software Foundation.
  19
  20 // You should have received a copy of the GNU General Public License and
  21 // a copy of the GCC Runtime Library Exception along with this program;
  22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 //
  26 // ISO C++ 14882: 27.4  Iostreams base classes
  27 //
  28
  29 #include <ios>
  30 #include <locale>
  31
  32 namespace std _GLIBCXX_VISIBILITY(default)
  33 {
  34 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  35
  36   // Called only by basic_ios<>::init.
  37   void
  38   ios_base::_M_init() throw()
  39   {
  40     // NB: May be called more than once
  41     _M_precision = 6;
  42     _M_width = 0;
  43     _M_flags = skipws | dec;
  44     _M_ios_locale = locale();
  45   }
  46
  47   // 27.4.2.3  ios_base locale functions
  48   locale
  49   ios_base::imbue(const locale& __loc) throw()
  50   {
  51     locale __old = _M_ios_locale;
  52     _M_ios_locale = __loc;
  53     _M_call_callbacks(imbue_event);
  54     return __old;
  55   }
  56
  57   // Explicit instantiations for basic_ios are done in src/c++11/ios.cc
  58   // and so do not include this member, which is only defined for C++98.
  59   template basic_ios<char>::operator void*() const;
  60 #ifdef _GLIBCXX_USE_WCHAR_T
  61   template basic_ios<wchar_t>::operator void*() const;
  62 #endif
  63
  64 _GLIBCXX_END_NAMESPACE_VERSION
  65 } // namespace