re PR libstdc++/13631 (Problems in messages)
2014-12-03 François Dumont <fdumont@gcc.gnu.org> PR libstdc++/13631 * include/bits/codecvt.h (codecvt<char, char, mbstate_t>): friend class std::messages<char>. (codecvt<wchar_t, char, mbstate_t>): friend class std::messages<wchar_t>. * config/locale/gnu/messages_member.h (messages<char>::do_open): Specialized. (messages<char>::do_close): Likewise. (messages<wchar_t>::do_open): Likewise. (messages<wchar_t>::do_close): Likewise. * config/locale/gnu/messages_member.cc: (messages<char>::do_open): Implement. Use bind_textdomain_codeset based on codecvt<char, char, mbstate_t>._M_c_locale_codecvt code set. Use internal cache to keep opened domain name with locale information. (messages<wchar_t>::do_open): Likewise with codecvt<wchar_t, char, mbstate_t>. (messages<char>::do_close): Implement. Clean cache information. (messages<wchar_t>::do_close): Likewise. (get_glibc_msg): New. Use dgettext rather than gettext using cached domain name associated to catalog id. (messages<char>::do_get): Use latter. (messages<wchar_t>::do_get): Likewise and use also cached locale codecvt<wchar_t, char, mbstate_t> facet to convert wchar_t default value to char and the result back to wchar_t. * testsuite/22_locale/messages/13631.cc: New. * testsuite/22_locale/messages/members/char/2.cc: Use also fr_FR locale for charset conversion to get the expected accented character. From-SVN: r218329
This commit is contained in:
François Dumont
parent
61a1a73ecb
commit
d31008d7a0
6 changed files with 440 additions and 90 deletions
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@ -1,3 +1,33 @@
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2014-12-03 François Dumont <fdumont@gcc.gnu.org>
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PR libstdc++/13631
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* include/bits/codecvt.h (codecvt<char, char, mbstate_t>): friend class
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std::messages<char>.
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(codecvt<wchar_t, char, mbstate_t>): friend class
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std::messages<wchar_t>.
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* config/locale/gnu/messages_member.h
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(messages<char>::do_open): Specialized.
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(messages<char>::do_close): Likewise.
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(messages<wchar_t>::do_open): Likewise.
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(messages<wchar_t>::do_close): Likewise.
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* config/locale/gnu/messages_member.cc:
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(messages<char>::do_open): Implement. Use bind_textdomain_codeset based
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on codecvt<char, char, mbstate_t>._M_c_locale_codecvt code set. Use
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internal cache to keep opened domain name with locale information.
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(messages<wchar_t>::do_open): Likewise with
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codecvt<wchar_t, char, mbstate_t>.
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(messages<char>::do_close): Implement. Clean cache information.
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(messages<wchar_t>::do_close): Likewise.
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(get_glibc_msg): New. Use dgettext rather than gettext using cached
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domain name associated to catalog id.
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(messages<char>::do_get): Use latter.
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(messages<wchar_t>::do_get): Likewise and use also cached locale
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codecvt<wchar_t, char, mbstate_t> facet to convert wchar_t default
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value to char and the result back to wchar_t.
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* testsuite/22_locale/messages/13631.cc: New.
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* testsuite/22_locale/messages/members/char/2.cc: Use also fr_FR locale
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for charset conversion to get the expected accented character.
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2014-12-03 Marek Polacek <polacek@redhat.com>
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* include/bits/regex_compiler.h (_S_cache_size): Multiply the
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@ -31,54 +31,253 @@
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#include <locale>
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#include <bits/c++locale_internal.h>
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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#include <limits>
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#include <algorithm>
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#include <vector>
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// Specializations.
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template<>
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string
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messages<char>::do_get(catalog, int, int, const string& __dfault) const
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#include <backward/auto_ptr.h>
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#include <ext/concurrence.h>
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namespace
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{
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using namespace std;
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typedef messages_base::catalog catalog;
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struct Catalog_info
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{
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Catalog_info(catalog __id, const string& __domain, locale __loc)
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: _M_id(__id), _M_domain(__domain), _M_locale(__loc)
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{ }
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catalog _M_id;
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string _M_domain;
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locale _M_locale;
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};
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class Catalogs
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{
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public:
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Catalogs() : _M_catalog_counter(0) { }
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~Catalogs()
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{
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for (vector<Catalog_info*>::iterator __it = _M_infos.begin();
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__it != _M_infos.end(); ++__it)
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delete *__it;
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}
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catalog
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_M_add(const string& __domain, locale __l)
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{
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__gnu_cxx::__scoped_lock lock(_M_mutex);
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// The counter is not likely to roll unless catalogs keep on being
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// opened/closed which is consider as an application mistake for the
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// moment.
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if (_M_catalog_counter == numeric_limits<catalog>::max())
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return -1;
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std::auto_ptr<Catalog_info> info(new Catalog_info(_M_catalog_counter++,
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__domain, __l));
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_M_infos.push_back(info.get());
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return info.release()->_M_id;
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}
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void
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_M_erase(catalog __c)
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{
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__gnu_cxx::__scoped_lock lock(_M_mutex);
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vector<Catalog_info*>::iterator __res =
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lower_bound(_M_infos.begin(), _M_infos.end(), __c, _Comp());
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if (__res == _M_infos.end() || (*__res)->_M_id != __c)
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return;
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delete *__res;
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_M_infos.erase(__res);
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// Just in case closed catalog was the last open.
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if (__c == _M_catalog_counter - 1)
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--_M_catalog_counter;
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}
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const Catalog_info*
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_M_get(catalog __c) const
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{
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__gnu_cxx::__scoped_lock lock(_M_mutex);
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vector<Catalog_info*>::const_iterator __res =
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lower_bound(_M_infos.begin(), _M_infos.end(), __c, _Comp());
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if (__res != _M_infos.end() && (*__res)->_M_id == __c)
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return *__res;
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return 0;
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}
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private:
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struct _Comp
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{
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bool operator()(catalog __cat, const Catalog_info* __info) const
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{ return __cat < __info->_M_id; }
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bool operator()(const Catalog_info* __info, catalog __cat) const
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{ return __info->_M_id < __cat; }
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};
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mutable __gnu_cxx::__mutex _M_mutex;
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catalog _M_catalog_counter;
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std::vector<Catalog_info*> _M_infos;
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};
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Catalogs&
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get_catalogs()
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{
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static Catalogs __catalogs;
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return __catalogs;
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}
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const char*
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get_glibc_msg(__c_locale __attribute__((unused)) __locale_messages,
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const char* __domainname,
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const char* __dfault)
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{
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#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
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__c_locale __old = __uselocale(_M_c_locale_messages);
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const char* __msg = const_cast<const char*>(gettext(__dfault.c_str()));
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std::__c_locale __old = __uselocale(__locale_messages);
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const char* __msg =
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const_cast<const char*>(dgettext(__domainname, __dfault));
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__uselocale(__old);
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return string(__msg);
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#else
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char* __old = setlocale(LC_ALL, 0);
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const size_t __len = strlen(__old) + 1;
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char* __sav = new char[__len];
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memcpy(__sav, __old, __len);
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setlocale(LC_ALL, _M_name_messages);
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const char* __msg = gettext(__dfault.c_str());
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const char* __msg = dgettext(__domainname, __dfault);
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setlocale(LC_ALL, __sav);
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delete [] __sav;
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return string(__msg);
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#endif
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return __msg;
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}
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}
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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// Specializations.
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template<>
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typename messages<char>::catalog
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messages<char>::do_open(const basic_string<char>& __s,
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const locale& __l) const
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{
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typedef codecvt<char, char, mbstate_t> __codecvt_t;
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const __codecvt_t& __codecvt = use_facet<__codecvt_t>(__l);
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bind_textdomain_codeset(__s.c_str(),
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__nl_langinfo_l(CODESET, __codecvt._M_c_locale_codecvt));
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return get_catalogs()._M_add(__s, __l);
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}
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template<>
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void
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messages<char>::do_close(catalog __c) const
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{ get_catalogs()._M_erase(__c); }
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template<>
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string
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messages<char>::do_get(catalog __c, int, int,
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const string& __dfault) const
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{
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if (__c < 0 || __dfault.empty())
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return __dfault;
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const Catalog_info* __cat_info = get_catalogs()._M_get(__c);
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if (!__cat_info)
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return __dfault;
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return get_glibc_msg(_M_c_locale_messages,
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__cat_info->_M_domain.c_str(),
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__dfault.c_str());
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}
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#ifdef _GLIBCXX_USE_WCHAR_T
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template<>
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typename messages<wchar_t>::catalog
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messages<wchar_t>::do_open(const basic_string<char>& __s,
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const locale& __l) const
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{
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typedef codecvt<wchar_t, char, mbstate_t> __codecvt_t;
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const __codecvt_t& __codecvt = use_facet<__codecvt_t>(__l);
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bind_textdomain_codeset(__s.c_str(),
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__nl_langinfo_l(CODESET, __codecvt._M_c_locale_codecvt));
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return get_catalogs()._M_add(__s, __l);
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}
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template<>
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void
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messages<wchar_t>::do_close(catalog __c) const
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{ get_catalogs()._M_erase(__c); }
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template<>
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wstring
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messages<wchar_t>::do_get(catalog, int, int, const wstring& __dfault) const
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messages<wchar_t>::do_get(catalog __c, int, int,
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const wstring& __wdfault) const
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{
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# if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
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__c_locale __old = __uselocale(_M_c_locale_messages);
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char* __msg = gettext(_M_convert_to_char(__dfault));
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__uselocale(__old);
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return _M_convert_from_char(__msg);
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# else
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char* __old = setlocale(LC_ALL, 0);
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const size_t __len = strlen(__old) + 1;
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char* __sav = new char[__len];
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memcpy(__sav, __old, __len);
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setlocale(LC_ALL, _M_name_messages);
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char* __msg = gettext(_M_convert_to_char(__dfault));
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setlocale(LC_ALL, __sav);
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delete [] __sav;
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return _M_convert_from_char(__msg);
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# endif
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if (__c < 0 || __wdfault.empty())
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return __wdfault;
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const Catalog_info* __cat_info = get_catalogs()._M_get(__c);
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if (!__cat_info)
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return __wdfault;
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typedef codecvt<wchar_t, char, mbstate_t> __codecvt_t;
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const __codecvt_t& __conv =
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use_facet<__codecvt_t>(__cat_info->_M_locale);
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const char* __translation;
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mbstate_t __state;
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__builtin_memset(&__state, 0, sizeof(mbstate_t));
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{
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const wchar_t* __wdfault_next;
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size_t __mb_size = __wdfault.size() * __conv.max_length();;
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char* __dfault =
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static_cast<char*>(__builtin_alloca(sizeof(char) * (__mb_size + 1)));
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char* __dfault_next;
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__conv.out(__state,
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__wdfault.data(), __wdfault.data() + __wdfault.size(),
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__wdfault_next,
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__dfault, __dfault + __mb_size, __dfault_next);
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// Make sure string passed to dgettext is \0 terminated.
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*__dfault_next = '\0';
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__translation
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= get_glibc_msg(_M_c_locale_messages,
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__cat_info->_M_domain.c_str(), __dfault);
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// If we end up getting default value back we can simply return original
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// default value.
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if (__translation == __dfault)
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return __wdfault;
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}
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__builtin_memset(&__state, 0, sizeof(mbstate_t));
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size_t __size = __builtin_strlen(__translation);
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const char* __translation_next;
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wchar_t* __wtranslation =
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static_cast<wchar_t*>(__builtin_alloca(sizeof(wchar_t) * (__size + 1)));
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wchar_t* __wtranslation_next;
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__conv.in(__state, __translation, __translation + __size,
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__translation_next,
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__wtranslation, __wtranslation + __size,
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__wtranslation_next);
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return wstring(__wtranslation, __wtranslation_next);
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}
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#endif
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@ -41,53 +41,53 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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// Non-virtual member functions.
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template<typename _CharT>
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messages<_CharT>::messages(size_t __refs)
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: facet(__refs), _M_c_locale_messages(_S_get_c_locale()),
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_M_name_messages(_S_get_c_name())
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{ }
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messages<_CharT>::messages(size_t __refs)
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: facet(__refs), _M_c_locale_messages(_S_get_c_locale()),
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_M_name_messages(_S_get_c_name())
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{ }
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template<typename _CharT>
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messages<_CharT>::messages(__c_locale __cloc, const char* __s,
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size_t __refs)
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: facet(__refs), _M_c_locale_messages(0), _M_name_messages(0)
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{
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if (__builtin_strcmp(__s, _S_get_c_name()) != 0)
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{
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const size_t __len = __builtin_strlen(__s) + 1;
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char* __tmp = new char[__len];
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__builtin_memcpy(__tmp, __s, __len);
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_M_name_messages = __tmp;
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}
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else
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_M_name_messages = _S_get_c_name();
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messages<_CharT>::messages(__c_locale __cloc, const char* __s,
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size_t __refs)
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: facet(__refs), _M_c_locale_messages(0), _M_name_messages(0)
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{
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if (__builtin_strcmp(__s, _S_get_c_name()) != 0)
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{
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const size_t __len = __builtin_strlen(__s) + 1;
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char* __tmp = new char[__len];
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__builtin_memcpy(__tmp, __s, __len);
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_M_name_messages = __tmp;
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}
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else
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_M_name_messages = _S_get_c_name();
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// Last to avoid leaking memory if new throws.
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_M_c_locale_messages = _S_clone_c_locale(__cloc);
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}
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// Last to avoid leaking memory if new throws.
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_M_c_locale_messages = _S_clone_c_locale(__cloc);
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}
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template<typename _CharT>
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typename messages<_CharT>::catalog
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messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc,
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typename messages<_CharT>::catalog
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messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc,
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const char* __dir) const
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{
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{
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bindtextdomain(__s.c_str(), __dir);
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return this->do_open(__s, __loc);
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return this->do_open(__s, __loc);
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}
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// Virtual member functions.
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template<typename _CharT>
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messages<_CharT>::~messages()
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{
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{
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if (_M_name_messages != _S_get_c_name())
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delete [] _M_name_messages;
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_S_destroy_c_locale(_M_c_locale_messages);
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_S_destroy_c_locale(_M_c_locale_messages);
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}
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template<typename _CharT>
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typename messages<_CharT>::catalog
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messages<_CharT>::do_open(const basic_string<char>& __s,
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typename messages<_CharT>::catalog
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messages<_CharT>::do_open(const basic_string<char>& __s,
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const locale&) const
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{
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{
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// No error checking is done, assume the catalog exists and can
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// be used.
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textdomain(__s.c_str());
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@ -95,36 +95,57 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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}
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template<typename _CharT>
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void
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messages<_CharT>::do_close(catalog) const
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void
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messages<_CharT>::do_close(catalog) const
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{ }
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// messages_byname
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template<typename _CharT>
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messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs)
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: messages<_CharT>(__refs)
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{
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if (this->_M_name_messages != locale::facet::_S_get_c_name())
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{
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delete [] this->_M_name_messages;
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if (__builtin_strcmp(__s, locale::facet::_S_get_c_name()) != 0)
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{
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const size_t __len = __builtin_strlen(__s) + 1;
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char* __tmp = new char[__len];
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__builtin_memcpy(__tmp, __s, __len);
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this->_M_name_messages = __tmp;
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}
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else
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this->_M_name_messages = locale::facet::_S_get_c_name();
|
||||
}
|
||||
// messages_byname
|
||||
template<typename _CharT>
|
||||
messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs)
|
||||
: messages<_CharT>(__refs)
|
||||
{
|
||||
if (this->_M_name_messages != locale::facet::_S_get_c_name())
|
||||
{
|
||||
delete [] this->_M_name_messages;
|
||||
if (__builtin_strcmp(__s, locale::facet::_S_get_c_name()) != 0)
|
||||
{
|
||||
const size_t __len = __builtin_strlen(__s) + 1;
|
||||
char* __tmp = new char[__len];
|
||||
__builtin_memcpy(__tmp, __s, __len);
|
||||
this->_M_name_messages = __tmp;
|
||||
}
|
||||
else
|
||||
this->_M_name_messages = locale::facet::_S_get_c_name();
|
||||
}
|
||||
|
||||
if (__builtin_strcmp(__s, "C") != 0
|
||||
&& __builtin_strcmp(__s, "POSIX") != 0)
|
||||
{
|
||||
this->_S_destroy_c_locale(this->_M_c_locale_messages);
|
||||
this->_S_create_c_locale(this->_M_c_locale_messages, __s);
|
||||
}
|
||||
}
|
||||
if (__builtin_strcmp(__s, "C") != 0
|
||||
&& __builtin_strcmp(__s, "POSIX") != 0)
|
||||
{
|
||||
this->_S_destroy_c_locale(this->_M_c_locale_messages);
|
||||
this->_S_create_c_locale(this->_M_c_locale_messages, __s);
|
||||
}
|
||||
}
|
||||
|
||||
//Specializations.
|
||||
template<>
|
||||
typename messages<char>::catalog
|
||||
messages<char>::do_open(const basic_string<char>&,
|
||||
const locale&) const;
|
||||
|
||||
template<>
|
||||
void
|
||||
messages<char>::do_close(catalog) const;
|
||||
|
||||
#ifdef _GLIBCXX_USE_WCHAR_T
|
||||
template<>
|
||||
typename messages<wchar_t>::catalog
|
||||
messages<wchar_t>::do_open(const basic_string<char>&,
|
||||
const locale&) const;
|
||||
|
||||
template<>
|
||||
void
|
||||
messages<wchar_t>::do_close(catalog) const;
|
||||
#endif
|
||||
|
||||
_GLIBCXX_END_NAMESPACE_VERSION
|
||||
} // namespace
|
||||
|
|
|
|||
|
|
@ -263,8 +263,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
do_max_length() const throw() = 0;
|
||||
};
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* @brief Primary class template codecvt.
|
||||
* @ingroup locales
|
||||
|
|
@ -340,6 +338,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
class codecvt<char, char, mbstate_t>
|
||||
: public __codecvt_abstract_base<char, char, mbstate_t>
|
||||
{
|
||||
friend class messages<char>;
|
||||
|
||||
public:
|
||||
// Types:
|
||||
typedef char intern_type;
|
||||
|
|
@ -398,6 +398,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
class codecvt<wchar_t, char, mbstate_t>
|
||||
: public __codecvt_abstract_base<wchar_t, char, mbstate_t>
|
||||
{
|
||||
friend class messages<wchar_t>;
|
||||
|
||||
public:
|
||||
// Types:
|
||||
typedef wchar_t intern_type;
|
||||
|
|
|
|||
99
libstdc++-v3/testsuite/22_locale/messages/13631.cc
Normal file
99
libstdc++-v3/testsuite/22_locale/messages/13631.cc
Normal file
|
|
@ -0,0 +1,99 @@
|
|||
// { dg-require-namedlocale "fr_FR" }
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation
|
||||
//
|
||||
// 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.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <locale>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
void test01()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
// This is defined through CXXFLAGS in scripts/testsuite_flags[.in].
|
||||
const char* dir = LOCALEDIR;
|
||||
|
||||
std::locale l("fr_FR");
|
||||
|
||||
typedef std::messages<char> messages;
|
||||
|
||||
const messages &msgs_facet = std::use_facet<messages>(l);
|
||||
|
||||
messages::catalog msgs = msgs_facet.open("libstdc++", l, dir);
|
||||
VERIFY( msgs >= 0 );
|
||||
|
||||
const char msgid[] = "please";
|
||||
std::string translation1 = msgs_facet.get(msgs, 0, 0, msgid);
|
||||
|
||||
// Without a real translation this test doesn't mean anything:
|
||||
VERIFY( translation1 != msgid );
|
||||
|
||||
// Opening another catalog was enough to show the problem, even a fake
|
||||
// catalog.
|
||||
messages::catalog fake_msgs = msgs_facet.open("fake", l);
|
||||
|
||||
std::string translation2 = msgs_facet.get(msgs, 0, 0, msgid);
|
||||
|
||||
// Close catalogs before doing the check to avoid leaks.
|
||||
msgs_facet.close(fake_msgs);
|
||||
msgs_facet.close(msgs);
|
||||
|
||||
VERIFY( translation1 == translation2 );
|
||||
}
|
||||
|
||||
void test02()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
// This is defined through CXXFLAGS in scripts/testsuite_flags[.in].
|
||||
const char* dir = LOCALEDIR;
|
||||
|
||||
std::locale l("fr_FR");
|
||||
|
||||
typedef std::messages<wchar_t> messages;
|
||||
|
||||
const messages &msgs_facet = std::use_facet<messages>(l);
|
||||
|
||||
messages::catalog msgs = msgs_facet.open("libstdc++", l, dir);
|
||||
VERIFY( msgs >= 0 );
|
||||
|
||||
const wchar_t msgid[] = L"please";
|
||||
std::wstring translation1 = msgs_facet.get(msgs, 0, 0, msgid);
|
||||
|
||||
// Without a real translation this test doesn't mean anything:
|
||||
VERIFY( !translation1.empty() );
|
||||
VERIFY( translation1 != msgid );
|
||||
|
||||
// Opening another catalog was enough to show the problem, even a fake
|
||||
// catalog.
|
||||
messages::catalog fake_msgs = msgs_facet.open("fake", l);
|
||||
|
||||
std::wstring translation2 = msgs_facet.get(msgs, 0, 0, msgid);
|
||||
|
||||
// Close catalogs before doing the check to avoid leaks.
|
||||
msgs_facet.close(fake_msgs);
|
||||
msgs_facet.close(msgs);
|
||||
|
||||
VERIFY( translation1 == translation2 );
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
test02();
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -35,9 +35,8 @@ void test02()
|
|||
const char* dir = LOCALEDIR;
|
||||
|
||||
// basic construction
|
||||
locale loc_c = locale::classic();
|
||||
locale loc_fr = locale("fr_FR");
|
||||
VERIFY( loc_c != loc_fr );
|
||||
VERIFY( locale::classic() != loc_fr );
|
||||
|
||||
// cache the messages facets
|
||||
const messages<char>& mssg_fr = use_facet<messages<char> >(loc_fr);
|
||||
|
|
@ -47,7 +46,7 @@ void test02()
|
|||
// void close(catalog) const;
|
||||
|
||||
// Check French (fr_FR) locale.
|
||||
catalog cat_fr = mssg_fr.open("libstdc++", loc_c, dir);
|
||||
catalog cat_fr = mssg_fr.open("libstdc++", loc_fr, dir);
|
||||
string s01 = mssg_fr.get(cat_fr, 0, 0, "please");
|
||||
string s02 = mssg_fr.get(cat_fr, 0, 0, "thank you");
|
||||
VERIFY ( s01 == "s'il vous plaît" );
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue