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diff --git a/libstdc++-v3/config/locale/gnu/ctype_members.cc b/libstdc++-v3/config/locale/gnu/ctype_members.cc
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+++ b/libstdc++-v3/config/locale/gnu/ctype_members.cc
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+// std::ctype implementation details, GNU version -*- C++ -*-
+
+// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+// 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/>.
+
+//
+// ISO C++ 14882: 22.2.1.1.2 ctype virtual functions.
+//
+
+// Written by Benjamin Kosnik <bkoz@redhat.com>
+
+#include <locale>
+#include <cstdio>
+#include <bits/c++locale_internal.h>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ // NB: The other ctype<char> specializations are in src/locale.cc and
+ // various /config/os/* files.
+ ctype_byname<char>::ctype_byname(const char* __s, size_t __refs)
+ : ctype<char>(0, false, __refs)
+ {
+ if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0)
+ {
+ this->_S_destroy_c_locale(this->_M_c_locale_ctype);
+ this->_S_create_c_locale(this->_M_c_locale_ctype, __s);
+ this->_M_toupper = this->_M_c_locale_ctype->__ctype_toupper;
+ this->_M_tolower = this->_M_c_locale_ctype->__ctype_tolower;
+ this->_M_table = this->_M_c_locale_ctype->__ctype_b;
+ }
+ }
+
+ ctype_byname<char>::~ctype_byname()
+ { }
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+ ctype<wchar_t>::__wmask_type
+ ctype<wchar_t>::_M_convert_to_wmask(const mask __m) const throw()
+ {
+ __wmask_type __ret;
+ switch (__m)
+ {
+ case space:
+ __ret = __wctype_l("space", _M_c_locale_ctype);
+ break;
+ case print:
+ __ret = __wctype_l("print", _M_c_locale_ctype);
+ break;
+ case cntrl:
+ __ret = __wctype_l("cntrl", _M_c_locale_ctype);
+ break;
+ case upper:
+ __ret = __wctype_l("upper", _M_c_locale_ctype);
+ break;
+ case lower:
+ __ret = __wctype_l("lower", _M_c_locale_ctype);
+ break;
+ case alpha:
+ __ret = __wctype_l("alpha", _M_c_locale_ctype);
+ break;
+ case digit:
+ __ret = __wctype_l("digit", _M_c_locale_ctype);
+ break;
+ case punct:
+ __ret = __wctype_l("punct", _M_c_locale_ctype);
+ break;
+ case xdigit:
+ __ret = __wctype_l("xdigit", _M_c_locale_ctype);
+ break;
+ case alnum:
+ __ret = __wctype_l("alnum", _M_c_locale_ctype);
+ break;
+ case graph:
+ __ret = __wctype_l("graph", _M_c_locale_ctype);
+ break;
+ default:
+ __ret = __wmask_type();
+ }
+ return __ret;
+ }
+
+ wchar_t
+ ctype<wchar_t>::do_toupper(wchar_t __c) const
+ { return __towupper_l(__c, _M_c_locale_ctype); }
+
+ const wchar_t*
+ ctype<wchar_t>::do_toupper(wchar_t* __lo, const wchar_t* __hi) const
+ {
+ while (__lo < __hi)
+ {
+ *__lo = __towupper_l(*__lo, _M_c_locale_ctype);
+ ++__lo;
+ }
+ return __hi;
+ }
+
+ wchar_t
+ ctype<wchar_t>::do_tolower(wchar_t __c) const
+ { return __towlower_l(__c, _M_c_locale_ctype); }
+
+ const wchar_t*
+ ctype<wchar_t>::do_tolower(wchar_t* __lo, const wchar_t* __hi) const
+ {
+ while (__lo < __hi)
+ {
+ *__lo = __towlower_l(*__lo, _M_c_locale_ctype);
+ ++__lo;
+ }
+ return __hi;
+ }
+
+ bool
+ ctype<wchar_t>::
+ do_is(mask __m, wchar_t __c) const
+ {
+ // The case of __m == ctype_base::space is particularly important,
+ // due to its use in many istream functions. Therefore we deal with
+ // it first, exploiting the knowledge that on GNU systems _M_bit[5]
+ // is the mask corresponding to ctype_base::space. NB: an encoding
+ // change would not affect correctness!
+ bool __ret = false;
+ if (__m == _M_bit[5])
+ __ret = __iswctype_l(__c, _M_wmask[5], _M_c_locale_ctype);
+ else
+ {
+ // Highest bitmask in ctype_base == 10, but extra in "C"
+ // library for blank.
+ const size_t __bitmasksize = 11;
+ for (size_t __bitcur = 0; __bitcur <= __bitmasksize; ++__bitcur)
+ if (__m & _M_bit[__bitcur])
+ {
+ if (__iswctype_l(__c, _M_wmask[__bitcur], _M_c_locale_ctype))
+ {
+ __ret = true;
+ break;
+ }
+ else if (__m == _M_bit[__bitcur])
+ break;
+ }
+ }
+ return __ret;
+ }
+
+ const wchar_t*
+ ctype<wchar_t>::
+ do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const
+ {
+ for (; __lo < __hi; ++__vec, ++__lo)
+ {
+ // Highest bitmask in ctype_base == 10, but extra in "C"
+ // library for blank.
+ const size_t __bitmasksize = 11;
+ mask __m = 0;
+ for (size_t __bitcur = 0; __bitcur <= __bitmasksize; ++__bitcur)
+ if (__iswctype_l(*__lo, _M_wmask[__bitcur], _M_c_locale_ctype))
+ __m |= _M_bit[__bitcur];
+ *__vec = __m;
+ }
+ return __hi;
+ }
+
+ const wchar_t*
+ ctype<wchar_t>::
+ do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
+ {
+ while (__lo < __hi && !this->do_is(__m, *__lo))
+ ++__lo;
+ return __lo;
+ }
+
+ const wchar_t*
+ ctype<wchar_t>::
+ do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
+ {
+ while (__lo < __hi && this->do_is(__m, *__lo) != 0)
+ ++__lo;
+ return __lo;
+ }
+
+ wchar_t
+ ctype<wchar_t>::
+ do_widen(char __c) const
+ { return _M_widen[static_cast<unsigned char>(__c)]; }
+
+ const char*
+ ctype<wchar_t>::
+ do_widen(const char* __lo, const char* __hi, wchar_t* __dest) const
+ {
+ while (__lo < __hi)
+ {
+ *__dest = _M_widen[static_cast<unsigned char>(*__lo)];
+ ++__lo;
+ ++__dest;
+ }
+ return __hi;
+ }
+
+ char
+ ctype<wchar_t>::
+ do_narrow(wchar_t __wc, char __dfault) const
+ {
+ if (__wc >= 0 && __wc < 128 && _M_narrow_ok)
+ return _M_narrow[__wc];
+#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
+ __c_locale __old = __uselocale(_M_c_locale_ctype);
+#endif
+ const int __c = wctob(__wc);
+#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
+ __uselocale(__old);
+#endif
+ return (__c == EOF ? __dfault : static_cast<char>(__c));
+ }
+
+ const wchar_t*
+ ctype<wchar_t>::
+ do_narrow(const wchar_t* __lo, const wchar_t* __hi, char __dfault,
+ char* __dest) const
+ {
+#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
+ __c_locale __old = __uselocale(_M_c_locale_ctype);
+#endif
+ if (_M_narrow_ok)
+ while (__lo < __hi)
+ {
+ if (*__lo >= 0 && *__lo < 128)
+ *__dest = _M_narrow[*__lo];
+ else
+ {
+ const int __c = wctob(*__lo);
+ *__dest = (__c == EOF ? __dfault : static_cast<char>(__c));
+ }
+ ++__lo;
+ ++__dest;
+ }
+ else
+ while (__lo < __hi)
+ {
+ const int __c = wctob(*__lo);
+ *__dest = (__c == EOF ? __dfault : static_cast<char>(__c));
+ ++__lo;
+ ++__dest;
+ }
+#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
+ __uselocale(__old);
+#endif
+ return __hi;
+ }
+
+ void
+ ctype<wchar_t>::_M_initialize_ctype() throw()
+ {
+#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
+ __c_locale __old = __uselocale(_M_c_locale_ctype);
+#endif
+ wint_t __i;
+ for (__i = 0; __i < 128; ++__i)
+ {
+ const int __c = wctob(__i);
+ if (__c == EOF)
+ break;
+ else
+ _M_narrow[__i] = static_cast<char>(__c);
+ }
+ if (__i == 128)
+ _M_narrow_ok = true;
+ else
+ _M_narrow_ok = false;
+ for (size_t __j = 0;
+ __j < sizeof(_M_widen) / sizeof(wint_t); ++__j)
+ _M_widen[__j] = btowc(__j);
+
+ for (size_t __k = 0; __k <= 11; ++__k)
+ {
+ _M_bit[__k] = static_cast<mask>(_ISbit(__k));
+ _M_wmask[__k] = _M_convert_to_wmask(_M_bit[__k]);
+ }
+#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
+ __uselocale(__old);
+#endif
+ }
+#endif // _GLIBCXX_USE_WCHAR_T
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
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