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sso_string_base.h (_M_swap): Rewrite.

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2005-10-19  Paolo Carlini  <pcarlini@suse.de>

	* include/ext/sso_string_base.h (_M_swap): Rewrite.

From-SVN: r105654
This commit is contained in:
Paolo Carlini 2005-10-20 01:07:13 +00:00 committed by Paolo Carlini
parent c9218d26da
commit 7058c3be1a
2 changed files with 56 additions and 44 deletions
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4
libstdc++-v3/ChangeLog
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@ -1,3 +1,7 @@
2005-10-19 Paolo Carlini <pcarlini@suse.de>
* include/ext/sso_string_base.h (_M_swap): Rewrite.
2005-10-19 Paolo Carlini <pcarlini@suse.de>
* include/ext/rc_string_base.h (_S_terminal): Remove.

96
libstdc++-v3/include/ext/sso_string_base.h
View File

@ -248,55 +248,63 @@ namespace __gnu_cxx
__sso_string_base<_CharT, _Traits, _Alloc>::
_M_swap(__sso_string_base& __rcs)
{
const bool __local = _M_is_local();
const bool __rcs_local = __rcs._M_is_local();
if (__local && __rcs_local)
{
_CharT __tmp_data[_S_local_capacity + 1];
const size_type __tmp_length = __rcs._M_length();
_S_copy(__tmp_data, __rcs._M_data(), __rcs._M_length() + 1);
__rcs._M_length(_M_length());
_S_copy(__rcs._M_data(), _M_data(), _M_length() + 1);
_M_length(__tmp_length);
_S_copy(_M_data(), __tmp_data, __tmp_length + 1);
}
else if (__local && !__rcs_local)
{
const size_type __tmp_capacity = __rcs._M_allocated_capacity;
const size_type __tmp_length = __rcs._M_length();
_CharT* __tmp_ptr = __rcs._M_data();
__rcs._M_data(__rcs._M_local_data);
_S_copy(__rcs._M_data(), _M_data(), _M_length() + 1);
__rcs._M_length(_M_length());
_M_data(__tmp_ptr);
_M_length(__tmp_length);
_M_capacity(__tmp_capacity);
}
else if (!__local && __rcs_local)
{
const size_type __tmp_capacity = _M_allocated_capacity;
const size_type __tmp_length = _M_length();
_CharT* __tmp_ptr = _M_data();
_M_data(_M_local_data);
_S_copy(_M_data(), __rcs._M_data(), __rcs._M_length() + 1);
_M_length(__rcs._M_length());
__rcs._M_data(__tmp_ptr);
__rcs._M_length(__tmp_length);
__rcs._M_capacity(__tmp_capacity);
}
if (_M_is_local())
if (__rcs._M_is_local())
{
if (_M_length() && __rcs._M_length())
{
_CharT __tmp_data[_S_local_capacity + 1];
traits_type::copy(__tmp_data, __rcs._M_local_data,
__rcs._M_length() + 1);
traits_type::copy(__rcs._M_local_data, _M_local_data,
_M_length() + 1);
traits_type::copy(_M_local_data, __tmp_data,
__rcs._M_length() + 1);
}
else if (__rcs._M_length())
{
traits_type::copy(_M_local_data, __rcs._M_local_data,
__rcs._M_length() + 1);
traits_type::assign(__rcs._M_local_data[0], _CharT());
}
else if (_M_length())
{
traits_type::copy(__rcs._M_local_data, _M_local_data,
_M_length() + 1);
traits_type::assign(_M_local_data[0], _CharT());
}
}
else
{
const size_type __tmp_capacity = __rcs._M_allocated_capacity;
_S_copy(__rcs._M_local_data, _M_local_data, _M_length() + 1);
_M_data(__rcs._M_data());
__rcs._M_data(__rcs._M_local_data);
_M_capacity(__tmp_capacity);
}
else
{
const size_type __tmp_capacity = _M_allocated_capacity;
const size_type __tmp_length = _M_length();
_CharT* __tmp_ptr = _M_data();
_M_data(__rcs._M_data());
_M_length(__rcs._M_length());
_M_capacity(__rcs._M_allocated_capacity);
__rcs._M_data(__tmp_ptr);
__rcs._M_length(__tmp_length);
if (__rcs._M_is_local())
{
_S_copy(_M_local_data, __rcs._M_local_data,
__rcs._M_length() + 1);
__rcs._M_data(_M_data());
_M_data(_M_local_data);
}
else
{
_CharT* __tmp_ptr = _M_data();
_M_data(__rcs._M_data());
__rcs._M_data(__tmp_ptr);
_M_capacity(__rcs._M_allocated_capacity);
}
__rcs._M_capacity(__tmp_capacity);
}
const size_type __tmp_length = _M_length();
_M_length(__rcs._M_length());
__rcs._M_length(__tmp_length);
}
template<typename _CharT, typename _Traits, typename _Alloc>