--- /dev/null
+// Copyright (C) 1997, 1998, 1999, 2000, 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/>.
+
+#include <clocale>
+#include <cstring>
+#include <cstdlib> // For getenv
+#include <cctype>
+#include <cwctype> // For towupper, etc.
+#include <locale>
+#include <ext/concurrence.h>
+
+namespace
+{
+ __gnu_cxx::__mutex&
+ get_locale_cache_mutex()
+ {
+ static __gnu_cxx::__mutex locale_cache_mutex;
+ return locale_cache_mutex;
+ }
+} // anonymous namespace
+
+// XXX GLIBCXX_ABI Deprecated
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+# define _GLIBCXX_LOC_ID(mangled) extern std::locale::id mangled
+_GLIBCXX_LOC_ID (_ZNSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+# ifdef _GLIBCXX_USE_WCHAR_T
+_GLIBCXX_LOC_ID (_ZNSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+# endif
+#endif
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ // Definitions for static const data members of locale.
+ const locale::category locale::none;
+ const locale::category locale::ctype;
+ const locale::category locale::numeric;
+ const locale::category locale::collate;
+ const locale::category locale::time;
+ const locale::category locale::monetary;
+ const locale::category locale::messages;
+ const locale::category locale::all;
+
+ // These are no longer exported.
+ locale::_Impl* locale::_S_classic;
+ locale::_Impl* locale::_S_global;
+
+#ifdef __GTHREADS
+ __gthread_once_t locale::_S_once = __GTHREAD_ONCE_INIT;
+#endif
+
+ locale::locale(const locale& __other) throw()
+ : _M_impl(__other._M_impl)
+ { _M_impl->_M_add_reference(); }
+
+ // This is used to initialize global and classic locales, and
+ // assumes that the _Impl objects are constructed correctly.
+ // The lack of a reference increment is intentional.
+ locale::locale(_Impl* __ip) throw() : _M_impl(__ip)
+ { }
+
+ locale::~locale() throw()
+ { _M_impl->_M_remove_reference(); }
+
+ bool
+ locale::operator==(const locale& __rhs) const throw()
+ {
+ // Deal first with the common cases, fast to process: refcopies,
+ // unnamed (i.e., !_M_names[0]), "simple" (!_M_names[1] => all the
+ // categories same name, i.e., _M_names[0]). Otherwise fall back
+ // to the general locale::name().
+ bool __ret;
+ if (_M_impl == __rhs._M_impl)
+ __ret = true;
+ else if (!_M_impl->_M_names[0] || !__rhs._M_impl->_M_names[0]
+ || std::strcmp(_M_impl->_M_names[0],
+ __rhs._M_impl->_M_names[0]) != 0)
+ __ret = false;
+ else if (!_M_impl->_M_names[1] && !__rhs._M_impl->_M_names[1])
+ __ret = true;
+ else
+ __ret = this->name() == __rhs.name();
+ return __ret;
+ }
+
+ const locale&
+ locale::operator=(const locale& __other) throw()
+ {
+ __other._M_impl->_M_add_reference();
+ _M_impl->_M_remove_reference();
+ _M_impl = __other._M_impl;
+ return *this;
+ }
+
+ string
+ locale::name() const
+ {
+ string __ret;
+ if (!_M_impl->_M_names[0])
+ __ret = '*';
+ else if (_M_impl->_M_check_same_name())
+ __ret = _M_impl->_M_names[0];
+ else
+ {
+ __ret.reserve(128);
+ __ret += _S_categories[0];
+ __ret += '=';
+ __ret += _M_impl->_M_names[0];
+ for (size_t __i = 1; __i < _S_categories_size; ++__i)
+ {
+ __ret += ';';
+ __ret += _S_categories[__i];
+ __ret += '=';
+ __ret += _M_impl->_M_names[__i];
+ }
+ }
+ return __ret;
+ }
+
+ locale::category
+ locale::_S_normalize_category(category __cat)
+ {
+ int __ret = 0;
+ if (__cat == none || ((__cat & all) && !(__cat & ~all)))
+ __ret = __cat;
+ else
+ {
+ // NB: May be a C-style "LC_ALL" category; convert.
+ switch (__cat)
+ {
+ case LC_COLLATE:
+ __ret = collate;
+ break;
+ case LC_CTYPE:
+ __ret = ctype;
+ break;
+ case LC_MONETARY:
+ __ret = monetary;
+ break;
+ case LC_NUMERIC:
+ __ret = numeric;
+ break;
+ case LC_TIME:
+ __ret = time;
+ break;
+#ifdef _GLIBCXX_HAVE_LC_MESSAGES
+ case LC_MESSAGES:
+ __ret = messages;
+ break;
+#endif
+ case LC_ALL:
+ __ret = all;
+ break;
+ default:
+ __throw_runtime_error(__N("locale::_S_normalize_category "
+ "category not found"));
+ }
+ }
+ return __ret;
+ }
+
+ // locale::facet
+ __c_locale locale::facet::_S_c_locale;
+
+ const char locale::facet::_S_c_name[2] = "C";
+
+#ifdef __GTHREADS
+ __gthread_once_t locale::facet::_S_once = __GTHREAD_ONCE_INIT;
+#endif
+
+ void
+ locale::facet::_S_initialize_once()
+ {
+ // Initialize the underlying locale model.
+ _S_create_c_locale(_S_c_locale, _S_c_name);
+ }
+
+ __c_locale
+ locale::facet::_S_get_c_locale()
+ {
+#ifdef __GTHREADS
+ if (__gthread_active_p())
+ __gthread_once(&_S_once, _S_initialize_once);
+ else
+#endif
+ {
+ if (!_S_c_locale)
+ _S_initialize_once();
+ }
+ return _S_c_locale;
+ }
+
+ const char*
+ locale::facet::_S_get_c_name() throw()
+ { return _S_c_name; }
+
+ locale::facet::
+ ~facet() { }
+
+ // locale::_Impl
+ locale::_Impl::
+ ~_Impl() throw()
+ {
+ if (_M_facets)
+ for (size_t __i = 0; __i < _M_facets_size; ++__i)
+ if (_M_facets[__i])
+ _M_facets[__i]->_M_remove_reference();
+ delete [] _M_facets;
+
+ if (_M_caches)
+ for (size_t __i = 0; __i < _M_facets_size; ++__i)
+ if (_M_caches[__i])
+ _M_caches[__i]->_M_remove_reference();
+ delete [] _M_caches;
+
+ if (_M_names)
+ for (size_t __i = 0; __i < _S_categories_size; ++__i)
+ delete [] _M_names[__i];
+ delete [] _M_names;
+ }
+
+ // Clone existing _Impl object.
+ locale::_Impl::
+ _Impl(const _Impl& __imp, size_t __refs)
+ : _M_refcount(__refs), _M_facets(0), _M_facets_size(__imp._M_facets_size),
+ _M_caches(0), _M_names(0)
+ {
+ __try
+ {
+ _M_facets = new const facet*[_M_facets_size];
+ for (size_t __i = 0; __i < _M_facets_size; ++__i)
+ {
+ _M_facets[__i] = __imp._M_facets[__i];
+ if (_M_facets[__i])
+ _M_facets[__i]->_M_add_reference();
+ }
+ _M_caches = new const facet*[_M_facets_size];
+ for (size_t __j = 0; __j < _M_facets_size; ++__j)
+ {
+ _M_caches[__j] = __imp._M_caches[__j];
+ if (_M_caches[__j])
+ _M_caches[__j]->_M_add_reference();
+ }
+ _M_names = new char*[_S_categories_size];
+ for (size_t __k = 0; __k < _S_categories_size; ++__k)
+ _M_names[__k] = 0;
+
+ // Name the categories.
+ for (size_t __l = 0; (__l < _S_categories_size
+ && __imp._M_names[__l]); ++__l)
+ {
+ const size_t __len = std::strlen(__imp._M_names[__l]) + 1;
+ _M_names[__l] = new char[__len];
+ std::memcpy(_M_names[__l], __imp._M_names[__l], __len);
+ }
+ }
+ __catch(...)
+ {
+ this->~_Impl();
+ __throw_exception_again;
+ }
+ }
+
+ void
+ locale::_Impl::
+ _M_replace_category(const _Impl* __imp,
+ const locale::id* const* __idpp)
+ {
+ for (; *__idpp; ++__idpp)
+ _M_replace_facet(__imp, *__idpp);
+ }
+
+ void
+ locale::_Impl::
+ _M_replace_facet(const _Impl* __imp, const locale::id* __idp)
+ {
+ size_t __index = __idp->_M_id();
+ if ((__index > (__imp->_M_facets_size - 1))
+ || !__imp->_M_facets[__index])
+ __throw_runtime_error(__N("locale::_Impl::_M_replace_facet"));
+ _M_install_facet(__idp, __imp->_M_facets[__index]);
+ }
+
+ void
+ locale::_Impl::
+ _M_install_facet(const locale::id* __idp, const facet* __fp)
+ {
+ if (__fp)
+ {
+ size_t __index = __idp->_M_id();
+
+ // Check size of facet vector to ensure adequate room.
+ if (__index > _M_facets_size - 1)
+ {
+ const size_t __new_size = __index + 4;
+
+ // New facet array.
+ const facet** __oldf = _M_facets;
+ const facet** __newf;
+ __newf = new const facet*[__new_size];
+ for (size_t __i = 0; __i < _M_facets_size; ++__i)
+ __newf[__i] = _M_facets[__i];
+ for (size_t __l = _M_facets_size; __l < __new_size; ++__l)
+ __newf[__l] = 0;
+
+ // New cache array.
+ const facet** __oldc = _M_caches;
+ const facet** __newc;
+ __try
+ {
+ __newc = new const facet*[__new_size];
+ }
+ __catch(...)
+ {
+ delete [] __newf;
+ __throw_exception_again;
+ }
+ for (size_t __j = 0; __j < _M_facets_size; ++__j)
+ __newc[__j] = _M_caches[__j];
+ for (size_t __k = _M_facets_size; __k < __new_size; ++__k)
+ __newc[__k] = 0;
+
+ _M_facets_size = __new_size;
+ _M_facets = __newf;
+ _M_caches = __newc;
+ delete [] __oldf;
+ delete [] __oldc;
+ }
+
+ __fp->_M_add_reference();
+ const facet*& __fpr = _M_facets[__index];
+ if (__fpr)
+ {
+ // Replacing an existing facet. Order matters.
+ __fpr->_M_remove_reference();
+ __fpr = __fp;
+ }
+ else
+ {
+ // Installing a newly created facet into an empty
+ // _M_facets container, say a newly-constructed,
+ // swanky-fresh _Impl.
+ _M_facets[__index] = __fp;
+ }
+
+ // Ideally, it would be nice to only remove the caches that
+ // are now incorrect. However, some of the caches depend on
+ // multiple facets, and we only know about one facet
+ // here. It's no great loss: the first use of the new facet
+ // will create a new, correctly cached facet anyway.
+ for (size_t __i = 0; __i < _M_facets_size; ++__i)
+ {
+ const facet* __cpr = _M_caches[__i];
+ if (__cpr)
+ {
+ __cpr->_M_remove_reference();
+ _M_caches[__i] = 0;
+ }
+ }
+ }
+ }
+
+ void
+ locale::_Impl::
+ _M_install_cache(const facet* __cache, size_t __index)
+ {
+ __gnu_cxx::__scoped_lock sentry(get_locale_cache_mutex());
+ if (_M_caches[__index] != 0)
+ {
+ // Some other thread got in first.
+ delete __cache;
+ }
+ else
+ {
+ __cache->_M_add_reference();
+ _M_caches[__index] = __cache;
+ }
+ }
+
+ // locale::id
+ // Definitions for static const data members of locale::id
+ _Atomic_word locale::id::_S_refcount; // init'd to 0 by linker
+
+ size_t
+ locale::id::_M_id() const throw()
+ {
+ if (!_M_index)
+ {
+ // XXX GLIBCXX_ABI Deprecated
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+ locale::id *f = 0;
+# define _GLIBCXX_SYNC_ID(facet, mangled) \
+ if (this == &::mangled) \
+ f = &facet::id
+ _GLIBCXX_SYNC_ID (num_get<char>, _ZNSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+ _GLIBCXX_SYNC_ID (num_put<char>, _ZNSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+ _GLIBCXX_SYNC_ID (money_get<char>, _ZNSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+ _GLIBCXX_SYNC_ID (money_put<char>, _ZNSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+# ifdef _GLIBCXX_USE_WCHAR_T
+ _GLIBCXX_SYNC_ID (num_get<wchar_t>, _ZNSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+ _GLIBCXX_SYNC_ID (num_put<wchar_t>, _ZNSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+ _GLIBCXX_SYNC_ID (money_get<wchar_t>, _ZNSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+ _GLIBCXX_SYNC_ID (money_put<wchar_t>, _ZNSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+# endif
+ if (f)
+ _M_index = 1 + f->_M_id();
+ else
+#endif
+ _M_index = 1 + __gnu_cxx::__exchange_and_add_dispatch(&_S_refcount,
+ 1);
+ }
+ return _M_index - 1;
+ }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
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