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locale_facets.tcc (numpunct::_M_cache): Avoid calling virtual functions twice. 

* include/bits/locale_facets.tcc (numpunct::_M_cache): Avoid calling
	virtual functions twice. Only update _M_allocated after all
	allocations have succeeded.
	* include/bits/locale_facets_nonio.tcc (moneypunct::_M_cache):
	Likewise.
	* include/bits/locale_facets_nonio.h (__timepunct::_M_cache): Remove
	unused declaration.

From-SVN: r218552
This commit is contained in:
Jonathan Wakely 2014-12-10 00:21:37 +00:00 committed by Jonathan Wakely
parent 9c53a5b423
commit d6f64424aa
4 changed files with 46 additions and 32 deletions
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10
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,13 @@
2014-12-10 Jonathan Wakely <jwakely@redhat.com>
* include/bits/locale_facets.tcc (numpunct::_M_cache): Avoid calling
virtual functions twice. Only update _M_allocated after all
allocations have succeeded.
* include/bits/locale_facets_nonio.tcc (moneypunct::_M_cache):
Likewise.
* include/bits/locale_facets_nonio.h (__timepunct::_M_cache): Remove
unused declaration.
2014-12-09 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/64203

29
libstdc++-v3/include/bits/locale_facets.tcc
View File

@ -77,8 +77,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
void
__numpunct_cache<_CharT>::_M_cache(const locale& __loc)
{
_M_allocated = true;
const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
char* __grouping = 0;
@ -86,24 +84,24 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_CharT* __falsename = 0;
__try
{
_M_grouping_size = __np.grouping().size();
const string& __g = __np.grouping();
_M_grouping_size = __g.size();
__grouping = new char[_M_grouping_size];
__np.grouping().copy(__grouping, _M_grouping_size);
_M_grouping = __grouping;
__g.copy(__grouping, _M_grouping_size);
_M_use_grouping = (_M_grouping_size
&& static_cast<signed char>(_M_grouping[0]) > 0
&& (_M_grouping[0]
&& static_cast<signed char>(__grouping[0]) > 0
&& (__grouping[0]
!= __gnu_cxx::__numeric_traits<char>::__max));
_M_truename_size = __np.truename().size();
const basic_string<_CharT>& __tn = __np.truename();
_M_truename_size = __tn.size();
__truename = new _CharT[_M_truename_size];
__np.truename().copy(__truename, _M_truename_size);
_M_truename = __truename;
__tn.copy(__truename, _M_truename_size);
_M_falsename_size = __np.falsename().size();
const basic_string<_CharT>& __fn = __np.falsename();
_M_falsename_size = __fn.size();
__falsename = new _CharT[_M_falsename_size];
__np.falsename().copy(__falsename, _M_falsename_size);
_M_falsename = __falsename;
__fn.copy(__falsename, _M_falsename_size);
_M_decimal_point = __np.decimal_point();
_M_thousands_sep = __np.thousands_sep();
@ -115,6 +113,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
__ct.widen(__num_base::_S_atoms_in,
__num_base::_S_atoms_in
+ __num_base::_S_iend, _M_atoms_in);
_M_grouping = __grouping;
_M_truename = __truename;
_M_falsename = __falsename;
_M_allocated = true;
}
__catch(...)
{

3
libstdc++-v3/include/bits/locale_facets_nonio.h
View File

@ -138,9 +138,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
~__timepunct_cache();
void
_M_cache(const locale& __loc);
private:
__timepunct_cache&
operator=(const __timepunct_cache&);

36
libstdc++-v3/include/bits/locale_facets_nonio.tcc
View File

@ -68,8 +68,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
void
__moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc)
{
_M_allocated = true;
const moneypunct<_CharT, _Intl>& __mp =
use_facet<moneypunct<_CharT, _Intl> >(__loc);
@ -83,29 +81,29 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_CharT* __negative_sign = 0;
__try
{
_M_grouping_size = __mp.grouping().size();
const string& __g = __mp.grouping();
_M_grouping_size = __g.size();
__grouping = new char[_M_grouping_size];
__mp.grouping().copy(__grouping, _M_grouping_size);
_M_grouping = __grouping;
__g.copy(__grouping, _M_grouping_size);
_M_use_grouping = (_M_grouping_size
&& static_cast<signed char>(_M_grouping[0]) > 0
&& (_M_grouping[0]
&& static_cast<signed char>(__grouping[0]) > 0
&& (__grouping[0]
!= __gnu_cxx::__numeric_traits<char>::__max));
_M_curr_symbol_size = __mp.curr_symbol().size();
const basic_string<_CharT>& __cs = __mp.curr_symbol();
_M_curr_symbol_size = __cs.size();
__curr_symbol = new _CharT[_M_curr_symbol_size];
__mp.curr_symbol().copy(__curr_symbol, _M_curr_symbol_size);
_M_curr_symbol = __curr_symbol;
__cs.copy(__curr_symbol, _M_curr_symbol_size);
_M_positive_sign_size = __mp.positive_sign().size();
const basic_string<_CharT>& __ps = __mp.positive_sign();
_M_positive_sign_size = __ps.size();
__positive_sign = new _CharT[_M_positive_sign_size];
__mp.positive_sign().copy(__positive_sign, _M_positive_sign_size);
_M_positive_sign = __positive_sign;
__ps.copy(__positive_sign, _M_positive_sign_size);
_M_negative_sign_size = __mp.negative_sign().size();
const basic_string<_CharT>& __ns = __mp.negative_sign();
_M_negative_sign_size = __ns.size();
__negative_sign = new _CharT[_M_negative_sign_size];
__mp.negative_sign().copy(__negative_sign, _M_negative_sign_size);
_M_negative_sign = __negative_sign;
__ns.copy(__negative_sign, _M_negative_sign_size);
_M_pos_format = __mp.pos_format();
_M_neg_format = __mp.neg_format();
@ -113,6 +111,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
__ct.widen(money_base::_S_atoms,
money_base::_S_atoms + money_base::_S_end, _M_atoms);
_M_grouping = __grouping;
_M_curr_symbol = __curr_symbol;
_M_positive_sign = __positive_sign;
_M_negative_sign = __negative_sign;
_M_allocated = true;
}
__catch(...)
{