-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+// 2006, 2007, 2008, 2009
// 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 <cassert>
+#include <cstdlib> // For getenv
#include <cctype>
#include <cwctype> // For towupper, etc.
#include <locale>
-#include <bits/atomicity.h>
+#include <ext/concurrence.h>
-namespace __gnu_cxx
+namespace
{
- // Defined in globals.cc.
- extern std::locale c_locale;
- extern std::locale::_Impl c_locale_impl;
-} // namespace __gnu_cxx
+ __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
-{
- using namespace __gnu_cxx;
+_GLIBCXX_BEGIN_NAMESPACE(std)
// Definitions for static const data members of locale.
const locale::category locale::none;
const locale::category locale::messages;
const locale::category locale::all;
- // In the future, GLIBCXX_ABI > 5 should remove all uses of
- // _GLIBCPP_ASM_SYMVER in this file, and remove exports of any
- // static data members of locale.
- locale::_Impl* locale::_S_classic;
+ // These are no longer exported.
+ locale::_Impl* locale::_S_classic;
locale::_Impl* locale::_S_global;
- const size_t locale::_S_categories_size;
- _GLIBCPP_ASM_SYMVER(_ZNSt6locale18_S_categories_sizeE, _ZNSt6locale17_S_num_categoriesE, GLIBCPP_3.2)
- const size_t locale::_S_extra_categories_size;
-
- // Definitions for static const data members of locale::id
- _Atomic_word locale::id::_S_highwater; // init'd to 0 by linker
-
- // Definitions for static const data members of locale::_Impl
- const locale::id* const
- locale::_Impl::_S_id_ctype[] =
- {
- &std::ctype<char>::id,
- &codecvt<char, char, mbstate_t>::id,
-#ifdef _GLIBCPP_USE_WCHAR_T
- &std::ctype<wchar_t>::id,
- &codecvt<wchar_t, char, mbstate_t>::id,
-#endif
- 0
- };
- const locale::id* const
- locale::_Impl::_S_id_numeric[] =
- {
- &num_get<char>::id,
- &num_put<char>::id,
- &numpunct<char>::id,
-#ifdef _GLIBCPP_USE_WCHAR_T
- &num_get<wchar_t>::id,
- &num_put<wchar_t>::id,
- &numpunct<wchar_t>::id,
+#ifdef __GTHREADS
+ __gthread_once_t locale::_S_once = __GTHREAD_ONCE_INIT;
#endif
- 0
- };
-
- const locale::id* const
- locale::_Impl::_S_id_collate[] =
- {
- &std::collate<char>::id,
-#ifdef _GLIBCPP_USE_WCHAR_T
- &std::collate<wchar_t>::id,
-#endif
- 0
- };
-
- const locale::id* const
- locale::_Impl::_S_id_time[] =
- {
- &__timepunct<char>::id,
- &time_get<char>::id,
- &time_put<char>::id,
-#ifdef _GLIBCPP_USE_WCHAR_T
- &__timepunct<wchar_t>::id,
- &time_get<wchar_t>::id,
- &time_put<wchar_t>::id,
-#endif
- 0
- };
-
- const locale::id* const
- locale::_Impl::_S_id_monetary[] =
- {
- &money_get<char>::id,
- &money_put<char>::id,
- &moneypunct<char, false>::id,
- &moneypunct<char, true >::id,
-#ifdef _GLIBCPP_USE_WCHAR_T
- &money_get<wchar_t>::id,
- &money_put<wchar_t>::id,
- &moneypunct<wchar_t, false>::id,
- &moneypunct<wchar_t, true >::id,
-#endif
- 0
- };
-
- const locale::id* const
- locale::_Impl::_S_id_messages[] =
- {
- &std::messages<char>::id,
-#ifdef _GLIBCPP_USE_WCHAR_T
- &std::messages<wchar_t>::id,
-#endif
- 0
- };
-
- const locale::id* const* const
- locale::_Impl::_S_facet_categories[] =
- {
- // Order must match the decl order in class locale.
- locale::_Impl::_S_id_ctype,
- locale::_Impl::_S_id_numeric,
- locale::_Impl::_S_id_collate,
- locale::_Impl::_S_id_time,
- locale::_Impl::_S_id_monetary,
- locale::_Impl::_S_id_messages,
- 0
- };
-
- locale::locale() throw()
- {
- _S_initialize();
- (_M_impl = _S_global)->_M_add_reference();
- }
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.
locale::locale(_Impl* __ip) throw() : _M_impl(__ip)
{ }
- locale::locale(const char* __s)
- {
- if (__s)
- {
- _S_initialize();
- if (strcmp(__s, "C") == 0 || strcmp(__s, "POSIX") == 0)
- (_M_impl = _S_classic)->_M_add_reference();
- else if (strcmp(__s, "") != 0)
- _M_impl = new _Impl(__s, 1);
- else
- {
- // Get it from the environment.
- char* __env = getenv("LC_ALL");
- // If LC_ALL is set we are done.
- if (__env && strcmp(__env, "") != 0)
- {
- if (strcmp(__env, "C") == 0 || strcmp(__env, "POSIX") == 0)
- (_M_impl = _S_classic)->_M_add_reference();
- else
- _M_impl = new _Impl(__env, 1);
- }
- else
- {
- char* __res;
- // LANG may set a default different from "C".
- char* __env = getenv("LANG");
- if (!__env || strcmp(__env, "") == 0 || strcmp(__env, "C") == 0
- || strcmp(__env, "POSIX") == 0)
- __res = strdup("C");
- else
- __res = strdup(__env);
-
- // Scan the categories looking for the first one
- // different from LANG.
- size_t __i = 0;
- if (strcmp(__res, "C") == 0)
- for (__i = 0;
- __i < _S_categories_size + _S_extra_categories_size;
- ++__i)
- {
- __env = getenv(_S_categories[__i]);
- if (__env && strcmp(__env, "") != 0
- && strcmp(__env, "C") != 0
- && strcmp(__env, "POSIX") != 0)
- break;
- }
- else
- for (__i = 0;
- __i < _S_categories_size + _S_extra_categories_size;
- ++__i)
- {
- __env = getenv(_S_categories[__i]);
- if (__env && strcmp(__env, "") != 0
- && strcmp(__env, __res) != 0)
- break;
- }
-
- // If one is found, build the complete string of
- // the form LC_CTYPE=xxx;LC_NUMERIC=yyy; and so on...
- if (__i < _S_categories_size + _S_extra_categories_size)
- {
- string __str;
- for (size_t __j = 0; __j < __i; ++__j)
- {
- __str += _S_categories[__j];
- __str += "=";
- __str += __res;
- __str += ";";
- }
- __str += _S_categories[__i];
- __str += "=";
- __str += __env;
- __str += ";";
- __i++;
- for (; __i < _S_categories_size
- + _S_extra_categories_size; ++__i)
- {
- __env = getenv(_S_categories[__i]);
- if (!__env || strcmp(__env, "") == 0)
- {
- __str += _S_categories[__i];
- __str += '=';
- __str += __res;
- __str += ';';
- }
- else if (strcmp(__env, "C") == 0
- || strcmp(__env, "POSIX") == 0)
- {
- __str += _S_categories[__i];
- __str += "=C;";
- }
- else
- {
- __str += _S_categories[__i];
- __str += "=";
- __str += __env;
- __str += ";";
- }
- }
- __str.erase(__str.end() - 1);
- _M_impl = new _Impl(__str.c_str(), 1);
- }
- // ... otherwise either an additional instance of
- // the "C" locale or LANG.
- else if (strcmp(__res, "C") == 0)
- (_M_impl = _S_classic)->_M_add_reference();
- else
- _M_impl = new _Impl(__res, 1);
- free(__res);
- }
- }
- }
- else
- __throw_runtime_error("attempt to create locale from NULL name");
- }
-
- locale::locale(const locale& __base, const char* __s, category __cat)
- {
- // NB: There are complicated, yet more efficient ways to do
- // this. Building up locales on a per-category way is tedious, so
- // let's do it this way until people complain.
- locale __add(__s);
- _M_coalesce(__base, __add, __cat);
- }
-
- locale::locale(const locale& __base, const locale& __add, category __cat)
- { _M_coalesce(__base, __add, __cat); }
-
locale::~locale() throw()
{ _M_impl->_M_remove_reference(); }
bool
locale::operator==(const locale& __rhs) const throw()
{
- string __name = this->name();
- return (_M_impl == __rhs._M_impl
- || (__name != "*" && __name == __rhs.name()));
+ // 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&
return *this;
}
- locale
- locale::global(const locale& __other)
- {
- // XXX MT
- _S_initialize();
- _Impl* __old = _S_global;
- __other._M_impl->_M_add_reference();
- _S_global = __other._M_impl;
- if (_S_global->_M_check_same_name()
- && (strcmp(_S_global->_M_names[0], "*") != 0))
- setlocale(LC_ALL, __other.name().c_str());
-
- // Reference count sanity check: one reference removed for the
- // subsition of __other locale, one added by return-by-value. Net
- // difference: zero. When the returned locale object's destrutor
- // is called, then the reference count is decremented and possibly
- // destroyed.
- return locale(__old);
- }
-
string
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 += '=';
__ret += _M_impl->_M_names[0];
- for (size_t __i = 1;
- __i < _S_categories_size + _S_extra_categories_size;
- ++__i)
+ for (size_t __i = 1; __i < _S_categories_size; ++__i)
{
- __ret += ";";
+ __ret += ';';
__ret += _S_categories[__i];
- __ret += "=";
+ __ret += '=';
__ret += _M_impl->_M_names[__i];
}
}
return __ret;
}
- const locale&
- locale::classic()
- {
- // Locking protocol: singleton-called-before-threading-starts
- if (!_S_classic)
- {
- try
- {
- // 26 Standard facets, 2 references.
- // One reference for _S_classic, one for _S_global
- _S_classic = new (&c_locale_impl) _Impl(0, 2, true);
- _S_global = _S_classic;
- new (&c_locale) locale(_S_classic);
- }
- catch(...)
- {
- // Just call destructor, so that locale_impl_c's memory is
- // not deallocated via a call to delete.
- if (_S_classic)
- _S_classic->~_Impl();
- _S_classic = _S_global = 0;
- __throw_exception_again;
- }
- }
- return c_locale;
- }
-
- void
- locale::_M_coalesce(const locale& __base, const locale& __add,
- category __cat)
- {
- __cat = _S_normalize_category(__cat);
- _M_impl = new _Impl(*__base._M_impl, 1);
-
- try
- { _M_impl->_M_replace_categories(__add._M_impl, __cat); }
- catch (...)
- {
- _M_impl->_M_remove_reference();
- __throw_exception_again;
- }
- }
-
locale::category
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
{
case LC_TIME:
__ret = time;
break;
-#ifdef _GLIBCPP_HAVE_LC_MESSAGES
+#ifdef _GLIBCXX_HAVE_LC_MESSAGES
case LC_MESSAGES:
__ret = messages;
break;
__ret = all;
break;
default:
- __throw_runtime_error("bad locale category");
+ __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_c_locale;
-
- char locale::facet::_S_c_name[2];
+ locale::facet::_S_get_c_locale()
+ {
+#ifdef __GHTREADS
+ if (__gthread_active_p())
+ __gthread_once(&_S_once, _S_initialize_once);
+ else
+#endif
+ {
+ if (!_S_c_locale)
+ _S_initialize_once();
+ }
+ return _S_c_locale;
+ }
- locale::facet::
- ~facet() { }
+ const char*
+ locale::facet::_S_get_c_name()
+ { return _S_c_name; }
locale::facet::
- facet(size_t __refs) throw() : _M_references(__refs ? 1 : 0)
- { }
+ ~facet() { }
- void
- locale::facet::
- _M_add_reference() throw()
- { __atomic_add(&_M_references, 1); }
+ // 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;
+ }
- void
- locale::facet::
- _M_remove_reference() throw()
+ // 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)
{
- if (__exchange_and_add(&_M_references, -1) == 1)
+ __try
{
- try
- { delete this; }
- catch (...)
- { }
+ _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);
+ }
- locale::id::id()
- { }
+ 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]);
+ }
- // Definitions for static const data members of time_base
- template<>
- const char*
- __timepunct<char>::_S_timezones[14] =
- {
- "GMT", "HST", "AKST", "PST", "MST", "CST", "EST", "AST", "NST", "CET",
- "IST", "EET", "CST", "JST"
- };
-
-#ifdef _GLIBCPP_USE_WCHAR_T
- template<>
- const wchar_t*
- __timepunct<wchar_t>::_S_timezones[14] =
- {
- L"GMT", L"HST", L"AKST", L"PST", L"MST", L"CST", L"EST", L"AST",
- L"NST", L"CET", L"IST", L"EET", L"CST", L"JST"
- };
-#endif
+ void
+ locale::_Impl::
+ _M_install_facet(const locale::id* __idp, const facet* __fp)
+ {
+ if (__fp)
+ {
+ size_t __index = __idp->_M_id();
- // Definitions for static const data members of money_base
- const money_base::pattern
- money_base::_S_default_pattern = { {symbol, sign, none, value} };
+ // 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;
+ }
- const char __num_base::_S_atoms[] = "0123456789eEabcdfABCDF";
+ __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;
+ }
- bool
- __num_base::_S_format_float(const ios_base& __io, char* __fptr, char __mod,
- streamsize __prec)
+ // 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)
{
- bool __incl_prec = false;
- ios_base::fmtflags __flags = __io.flags();
- *__fptr++ = '%';
- // [22.2.2.2.2] Table 60
- if (__flags & ios_base::showpos)
- *__fptr++ = '+';
- if (__flags & ios_base::showpoint)
- *__fptr++ = '#';
- // As per [22.2.2.2.2.11]
- if (__flags & ios_base::fixed || __prec > 0)
+ __gnu_cxx::__scoped_lock sentry(get_locale_cache_mutex());
+ if (_M_caches[__index] != 0)
{
- *__fptr++ = '.';
- *__fptr++ = '*';
- __incl_prec = true;
+ // Some other thread got in first.
+ delete __cache;
}
- if (__mod)
- *__fptr++ = __mod;
- ios_base::fmtflags __fltfield = __flags & ios_base::floatfield;
- // [22.2.2.2.2] Table 58
- if (__fltfield == ios_base::fixed)
- *__fptr++ = 'f';
- else if (__fltfield == ios_base::scientific)
- *__fptr++ = (__flags & ios_base::uppercase) ? 'E' : 'e';
else
- *__fptr++ = (__flags & ios_base::uppercase) ? 'G' : 'g';
- *__fptr = '\0';
- return __incl_prec;
+ {
+ __cache->_M_add_reference();
+ _M_caches[__index] = __cache;
+ }
}
-
- void
- __num_base::_S_format_int(const ios_base& __io, char* __fptr, char __mod,
- char __modl)
+
+ // 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
{
- ios_base::fmtflags __flags = __io.flags();
- *__fptr++ = '%';
- // [22.2.2.2.2] Table 60
- if (__flags & ios_base::showpos)
- *__fptr++ = '+';
- if (__flags & ios_base::showbase)
- *__fptr++ = '#';
- *__fptr++ = 'l';
-
- // For long long types.
- if (__modl)
- *__fptr++ = __modl;
-
- ios_base::fmtflags __bsefield = __flags & ios_base::basefield;
- if (__bsefield == ios_base::hex)
- *__fptr++ = (__flags & ios_base::uppercase) ? 'X' : 'x';
- else if (__bsefield == ios_base::oct)
- *__fptr++ = 'o';
- else
- *__fptr++ = __mod;
- *__fptr = '\0';
+ 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;
}
-} // namespace std
+_GLIBCXX_END_NAMESPACE
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