-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// 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 2, or (at your option)
+// 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,
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-// USA.
+// 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.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// 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 <cctype>
#include <cwctype> // For towupper, etc.
#include <locale>
-#include <bits/atomicity.h>
+#include <ext/concurrence.h>
-namespace std
+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
+
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
// Definitions for static const data members of locale.
const locale::category locale::none;
const locale::category locale::ctype;
// These are no longer exported.
locale::_Impl* locale::_S_classic;
locale::_Impl* locale::_S_global;
- const size_t locale::_S_categories_size;
#ifdef __GTHREADS
__gthread_once_t locale::_S_once = __GTHREAD_ONCE_INIT;
#endif
locale::locale(const locale& __other) throw()
- { (_M_impl = __other._M_impl)->_M_add_reference(); }
+ : _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.
bool
locale::operator==(const locale& __rhs) const throw()
{
- bool __ret = true;
+ // 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)
- ;
- else if (!std::strcmp(_M_impl->_M_names[0], "*"))
+ __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
- for (size_t __i = 0; __ret && __i < _S_categories_size; ++__i)
- __ret = !std::strcmp(_M_impl->_M_names[__i],
- __rhs._M_impl->_M_names[__i]);
+ __ret = this->name() == __rhs.name();
return __ret;
}
locale::name() const
{
string __ret;
- if (_M_impl->_M_check_same_name())
+ 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];
locale::_S_normalize_category(category __cat)
{
int __ret = 0;
- if (__cat == none || (__cat & all) && !(__cat & ~all))
+ if (__cat == none || ((__cat & all) && !(__cat & ~all)))
__ret = __cat;
else
{
}
const char*
- locale::facet::_S_get_c_name()
+ locale::facet::_S_get_c_name() throw()
{ return _S_c_name; }
locale::facet::
// Clone existing _Impl object.
locale::_Impl::
_Impl(const _Impl& __imp, size_t __refs)
- : _M_refcount(__refs), _M_facets_size(__imp._M_facets_size)
+ : _M_refcount(__refs), _M_facets(0), _M_facets_size(__imp._M_facets_size),
+ _M_caches(0), _M_names(0)
{
- _M_facets = _M_caches = 0;
- _M_names = 0;
- try
+ __try
{
_M_facets = new const facet*[_M_facets_size];
for (size_t __i = 0; __i < _M_facets_size; ++__i)
_M_facets[__i]->_M_add_reference();
}
_M_caches = new const facet*[_M_facets_size];
- for (size_t __i = 0; __i < _M_facets_size; ++__i)
+ for (size_t __j = 0; __j < _M_facets_size; ++__j)
{
- _M_caches[__i] = __imp._M_caches[__i];
- if (_M_caches[__i])
- _M_caches[__i]->_M_add_reference();
+ _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 __i = 0; __i < _S_categories_size; ++__i)
- _M_names[__i] = 0;
+ for (size_t __k = 0; __k < _S_categories_size; ++__k)
+ _M_names[__k] = 0;
- // Name all the categories.
- for (size_t __i = 0; __i < _S_categories_size; ++__i)
+ // Name the categories.
+ for (size_t __l = 0; (__l < _S_categories_size
+ && __imp._M_names[__l]); ++__l)
{
- char* __new = new char[std::strlen(__imp._M_names[__i]) + 1];
- std::strcpy(__new, __imp._M_names[__i]);
- _M_names[__i] = __new;
+ 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(...)
+ __catch(...)
{
this->~_Impl();
__throw_exception_again;
void
locale::_Impl::
- _M_replace_category(const _Impl* __imp, const locale::id* const* __idpp)
+ _M_replace_category(const _Impl* __imp,
+ const locale::id* const* __idpp)
{
for (; *__idpp; ++__idpp)
_M_replace_facet(__imp, *__idpp);
_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])
+ 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]);
}
__newf = new const facet*[__new_size];
for (size_t __i = 0; __i < _M_facets_size; ++__i)
__newf[__i] = _M_facets[__i];
- for (size_t __i2 = _M_facets_size; __i2 < __new_size; ++__i2)
- __newf[__i2] = 0;
+ 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
+ __try
{
__newc = new const facet*[__new_size];
}
- catch(...)
+ __catch(...)
{
delete [] __newf;
__throw_exception_again;
}
- for (size_t __i = 0; __i < _M_facets_size; ++__i)
- __newc[__i] = _M_caches[__i];
- for (size_t __i2 = _M_facets_size; __i2 < __new_size; ++__i2)
- __newc[__i2] = 0;
+ 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;
}
}
+ 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
+ locale::id::_M_id() const throw()
{
if (!_M_index)
- _M_index = 1 + __gnu_cxx::__exchange_and_add(&_S_refcount, 1);
+ {
+ // 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;
}
-} // namespace std
-
+_GLIBCXX_END_NAMESPACE
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