libstdc++-v3/config/locale/gnu/time_members.h

   1 // std::time_get, std::time_put implementation, GNU version -*- C++ -*-
   2
   3 // Copyright (C) 2001-2020 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 /** @file bits/time_members.h
  26  *  This is an internal header file, included by other library headers.
  27  *  Do not attempt to use it directly. @headername{locale}
  28  */
  29
  30 //
  31 // ISO C++ 14882: 22.2.5.1.2 - time_get functions
  32 // ISO C++ 14882: 22.2.5.3.2 - time_put functions
  33 //
  34
  35 // Written by Benjamin Kosnik <bkoz@redhat.com>
  36
  37 namespace std _GLIBCXX_VISIBILITY(default)
  38 {
  39 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  40
  41   template<typename _CharT>
  42     __timepunct<_CharT>::__timepunct(size_t __refs)
  43     : facet(__refs), _M_data(0), _M_c_locale_timepunct(0),
  44       _M_name_timepunct(_S_get_c_name())
  45     { _M_initialize_timepunct(); }
  46
  47   template<typename _CharT>
  48     __timepunct<_CharT>::__timepunct(__cache_type* __cache, size_t __refs)
  49     : facet(__refs), _M_data(__cache), _M_c_locale_timepunct(0),
  50       _M_name_timepunct(_S_get_c_name())
  51     { _M_initialize_timepunct(); }
  52
  53   template<typename _CharT>
  54     __timepunct<_CharT>::__timepunct(__c_locale __cloc, const char* __s,
  55                                      size_t __refs)
  56     : facet(__refs), _M_data(0), _M_c_locale_timepunct(0),
  57       _M_name_timepunct(0)
  58     {
  59       if (__builtin_strcmp(__s, _S_get_c_name()) != 0)
  60         {
  61           const size_t __len = __builtin_strlen(__s) + 1;
  62           char* __tmp = new char[__len];
  63           __builtin_memcpy(__tmp, __s, __len);
  64           _M_name_timepunct = __tmp;
  65         }
  66       else
  67         _M_name_timepunct = _S_get_c_name();
  68
  69       __try
  70         { _M_initialize_timepunct(__cloc); }
  71       __catch(...)
  72         {
  73           if (_M_name_timepunct != _S_get_c_name())
  74             delete [] _M_name_timepunct;
  75           __throw_exception_again;
  76         }
  77     }
  78
  79   template<typename _CharT>
  80     __timepunct<_CharT>::~__timepunct()
  81     {
  82       if (_M_name_timepunct != _S_get_c_name())
  83         delete [] _M_name_timepunct;
  84       delete _M_data;
  85       _S_destroy_c_locale(_M_c_locale_timepunct);
  86     }
  87
  88 _GLIBCXX_END_NAMESPACE_VERSION
  89 } // namespace