libstdc++-v3/config/os/tpf/ctype_configure_char.cc

   1 // Locale support -*- C++ -*-
   2
   3 // Copyright (C) 2011-2013 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 ctype_configure_char.cc */
  26
  27 //
  28 // ISO C++ 14882: 22.1  Locales
  29 //
  30
  31 #include <locale>
  32 #include <cstdlib>
  33 #include <cstring>
  34
  35 namespace std _GLIBCXX_VISIBILITY(default)
  36 {
  37 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  38
  39 // Information as gleaned from /usr/include/ctype.h
  40
  41   const ctype_base::mask*
  42   ctype<char>::classic_table() throw()
  43   {
  44     const ctype_base::mask* __ret;
  45     char* __old = setlocale(LC_CTYPE, NULL);
  46     const size_t __len = __builtin_strlen(__old) + 1;
  47     char* __sav = new char[__len];
  48     __builtin_memcpy(__sav, __old, __len);
  49     setlocale(LC_CTYPE, "C");
  50     __ret = *__ctype_b_loc();
  51     setlocale(LC_CTYPE, __sav);
  52     delete [] __sav;
  53     return __ret;
  54   }
  55
  56   ctype<char>::ctype(__c_locale, const mask* __table, bool __del,
  57                      size_t __refs)
  58   : facet(__refs), _M_del(__table != 0 && __del)
  59   {
  60     char* __old = setlocale(LC_CTYPE, NULL);
  61     const size_t __len = __builtin_strlen(__old) + 1;
  62     char* __sav = new char[__len];
  63     __builtin_memcpy(__sav, __old, __len);
  64     setlocale(LC_CTYPE, "C");
  65     _M_toupper = *__ctype_toupper_loc();
  66     _M_tolower = *__ctype_tolower_loc();
  67     _M_table = __table ? __table : *__ctype_b_loc();
  68     setlocale(LC_CTYPE, __sav);
  69     delete [] __sav;
  70     _M_c_locale_ctype = _S_get_c_locale();
  71   }
  72
  73   ctype<char>::ctype(const mask* __table, bool __del, size_t __refs)
  74   : facet(__refs), _M_del(__table != 0 && __del)
  75   {
  76     char* __old = setlocale(LC_CTYPE, NULL);
  77     const size_t __len = __builtin_strlen(__old) + 1;
  78     char* __sav = new char[__len];
  79     __builtin_memcpy(__sav, __old, __len);
  80     setlocale(LC_CTYPE, "C");
  81     _M_toupper = *__ctype_toupper_loc();
  82     _M_tolower = *__ctype_tolower_loc();
  83     _M_table = __table ? __table : *__ctype_b_loc();
  84     setlocale(LC_CTYPE, __sav);
  85     delete [] __sav;
  86     _M_c_locale_ctype = _S_get_c_locale();
  87   }
  88
  89   char
  90   ctype<char>::do_toupper(char __c) const
  91   { return _M_toupper[static_cast<unsigned char>(__c)]; }
  92
  93   const char*
  94   ctype<char>::do_toupper(char* __low, const char* __high) const
  95   {
  96     while (__low < __high)
  97       {
  98         *__low = _M_toupper[static_cast<unsigned char>(*__low)];
  99         ++__low;
 100       }
 101     return __high;
 102   }
 103
 104   char
 105   ctype<char>::do_tolower(char __c) const
 106   { return _M_tolower[static_cast<unsigned char>(__c)]; }
 107
 108   const char*
 109   ctype<char>::do_tolower(char* __low, const char* __high) const
 110   {
 111     while (__low < __high)
 112       {
 113         *__low = _M_tolower[static_cast<unsigned char>(*__low)];
 114         ++__low;
 115       }
 116     return __high;
 117   }
 118
 119 _GLIBCXX_END_NAMESPACE_VERSION
 120 } // namespace