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Diffstat (limited to 'libstdc++-v3/include/bits/basic_ios.tcc')
-rw-r--r--libstdc++-v3/include/bits/basic_ios.tcc119
1 files changed, 73 insertions, 46 deletions
diff --git a/libstdc++-v3/include/bits/basic_ios.tcc b/libstdc++-v3/include/bits/basic_ios.tcc
index 7ee8015e29f..bbff2f5ca24 100644
--- a/libstdc++-v3/include/bits/basic_ios.tcc
+++ b/libstdc++-v3/include/bits/basic_ios.tcc
@@ -1,6 +1,6 @@
// basic_ios locale and locale-related member functions -*- C++ -*-
-// Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+// Copyright (C) 1999, 2001, 2002, 2003 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
@@ -60,45 +60,56 @@ namespace std
basic_ios<_CharT, _Traits>&
basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs)
{
- // Per 27.1.1.1, do not call imbue, yet must trash all caches
- // associated with imbue()
-
- // Alloc any new word array first, so if it fails we have "rollback".
- _Words* __words = (__rhs._M_word_size <= _S_local_word_size) ?
- _M_local_word : new _Words[__rhs._M_word_size];
-
- // Bump refs before doing callbacks, for safety.
- _Callback_list* __cb = __rhs._M_callbacks;
- if (__cb)
- __cb->_M_add_reference();
- _M_call_callbacks(erase_event);
- if (_M_word != _M_local_word)
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 292. effects of a.copyfmt (a)
+ if (this != &__rhs)
{
- delete [] _M_word;
- _M_word = 0;
+ // Per 27.1.1.1, do not call imbue, yet must trash all caches
+ // associated with imbue()
+
+ // Alloc any new word array first, so if it fails we have "rollback".
+ _Words* __words = (__rhs._M_word_size <= _S_local_word_size) ?
+ _M_local_word : new _Words[__rhs._M_word_size];
+
+ // Bump refs before doing callbacks, for safety.
+ _Callback_list* __cb = __rhs._M_callbacks;
+ if (__cb)
+ __cb->_M_add_reference();
+ _M_call_callbacks(erase_event);
+ if (_M_word != _M_local_word)
+ {
+ delete [] _M_word;
+ _M_word = 0;
+ }
+ _M_dispose_callbacks();
+
+ _M_callbacks = __cb; // NB: Don't want any added during above.
+ for (int __i = 0; __i < __rhs._M_word_size; ++__i)
+ __words[__i] = __rhs._M_word[__i];
+ if (_M_word != _M_local_word)
+ {
+ delete [] _M_word;
+ _M_word = 0;
+ }
+ _M_word = __words;
+ _M_word_size = __rhs._M_word_size;
+
+ this->flags(__rhs.flags());
+ this->width(__rhs.width());
+ this->precision(__rhs.precision());
+ this->tie(__rhs.tie());
+ this->fill(__rhs.fill());
+ _M_ios_locale = __rhs.getloc();
+
+ // This removes the link to __rhs locale cache
+ _M_call_callbacks(copyfmt_event);
+
+ _M_cache_locale(_M_ios_locale);
+
+
+ // The next is required to be the last assignment.
+ this->exceptions(__rhs.exceptions());
}
- _M_dispose_callbacks();
-
- _M_callbacks = __cb; // NB: Don't want any added during above.
- for (int __i = 0; __i < __rhs._M_word_size; ++__i)
- __words[__i] = __rhs._M_word[__i];
- if (_M_word != _M_local_word)
- {
- delete [] _M_word;
- _M_word = 0;
- }
- _M_word = __words;
- _M_word_size = __rhs._M_word_size;
-
- this->flags(__rhs.flags());
- this->width(__rhs.width());
- this->precision(__rhs.precision());
- this->tie(__rhs.tie());
- this->fill(__rhs.fill());
- // The next is required to be the last assignment.
- this->exceptions(__rhs.exceptions());
-
- _M_call_callbacks(copyfmt_event);
return *this;
}
@@ -129,7 +140,7 @@ namespace std
{
locale __old(this->getloc());
ios_base::imbue(__loc);
- _M_cache_facets(__loc);
+ _M_cache_locale(__loc);
if (this->rdbuf() != 0)
this->rdbuf()->pubimbue(__loc);
return __old;
@@ -141,7 +152,7 @@ namespace std
{
// NB: This may be called more than once on the same object.
ios_base::_M_init();
- _M_cache_facets(_M_ios_locale);
+ _M_cache_locale(_M_ios_locale);
_M_tie = 0;
// NB: The 27.4.4.1 Postconditions Table specifies requirements
@@ -166,31 +177,47 @@ namespace std
template<typename _CharT, typename _Traits>
void
- basic_ios<_CharT, _Traits>::_M_cache_facets(const locale& __loc)
+ basic_ios<_CharT, _Traits>::_M_cache_locale(const locale& __loc)
{
- if (has_facet<__ctype_type>(__loc))
+ if (__builtin_expect(has_facet<__ctype_type>(__loc), true))
_M_fctype = &use_facet<__ctype_type>(__loc);
else
_M_fctype = 0;
- // Should be filled in by ostream and istream, respectively.
- if (has_facet<__numput_type>(__loc))
+ if (__builtin_expect(has_facet<__numput_type>(__loc), true))
_M_fnumput = &use_facet<__numput_type>(__loc);
else
_M_fnumput = 0;
- if (has_facet<__numget_type>(__loc))
- _M_fnumget = &use_facet<__numget_type>(__loc);
+ if (__builtin_expect(has_facet<__numget_type>(__loc), true))
+ _M_fnumget = &use_facet<__numget_type>(__loc);
else
_M_fnumget = 0;
}
+#if 1
+ // XXX GLIBCXX_ABI Deprecated, compatibility only.
+ template<typename _CharT, typename _Traits>
+ void
+ basic_ios<_CharT, _Traits>::_M_cache_facets(const locale& __loc)
+ {
+ if (__builtin_expect(has_facet<__ctype_type>(__loc), true))
+ _M_fctype = &use_facet<__ctype_type>(__loc);
+ if (__builtin_expect(has_facet<__numput_type>(__loc), true))
+ _M_fnumput = &use_facet<__numput_type>(__loc);
+ if (__builtin_expect(has_facet<__numget_type>(__loc), true))
+ _M_fnumget = &use_facet<__numget_type>(__loc);
+ }
+#endif
+
// Inhibit implicit instantiations for required instantiations,
// which are defined via explicit instantiations elsewhere.
// NB: This syntax is a GNU extension.
+#if _GLIBCPP_EXTERN_TEMPLATE
extern template class basic_ios<char>;
#ifdef _GLIBCPP_USE_WCHAR_T
extern template class basic_ios<wchar_t>;
#endif
+#endif
} // namespace std
#endif
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