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basic_string.h (assign(__str, __pos, __n)): Call assign(__s, __n).

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2001-12-18  Paolo Carlini  <pcarlini@unitus.it>
            Nathan Myers  <ncm@cantrip.org>

	* include/bits/basic_string.h (assign(__str, __pos, __n)):
	Call assign(__s, __n).
	(assign(__s, __n)): Terminate the string with _S_terminal.

Co-Authored-By: Nathan Myers <ncm@cantrip.org>

From-SVN: r48151
This commit is contained in:
Paolo Carlini 2001-12-18 13:06:01 +01:00 committed by Paolo Carlini
parent ea50ad828c
commit c448ca845c
2 changed files with 13 additions and 19 deletions
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7
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,10 @@
2001-12-18 Paolo Carlini <pcarlini@unitus.it>
Nathan Myers <ncm@cantrip.org>
* include/bits/basic_string.h (assign(__str, __pos, __n)):
Call assign(__s, __n).
(assign(__s, __n)): Terminate the string with _S_terminal.
2001-12-17 Benjamin Kosnik <bkoz@redhat.com>
* include/bits/std_limits.h (__glibcpp_long_double_is_bounded):

25
libstdc++-v3/include/bits/basic_string.h
View File

@ -478,26 +478,12 @@ namespace std
basic_string&
assign(const basic_string& __str, size_type __pos, size_type __n)
{
if (__pos > __str.size())
const size_type __strsize = __str.size();
if (__pos > __strsize)
__throw_out_of_range("basic_string::assign");
if (_M_rep()->_M_is_shared() || _M_rep() != __str._M_rep())
return _M_replace_safe(_M_ibegin(), _M_iend(),
__str._M_check(__pos),
__str._M_fold(__pos, __n));
else
{
// Work in-place.
bool __testn = __n < __str.size() - __pos;
const size_type __newsize = __testn ? __n : __str.size() - __pos;
// Avoid move, if possible.
if (__pos >= __newsize)
traits_type::copy(_M_data(), __str._M_data() + __pos, __newsize);
else if (__pos)
traits_type::move(_M_data(), __str._M_data() + __pos, __newsize);
// else nothing (avoid calling move unnecessarily)
_M_rep()->_M_length = __newsize;
return *this;
}
const bool __testn = __n < __strsize - __pos;
const size_type __newsize = __testn ? __n : __strsize - __pos;
return this->assign(__str._M_data() + __pos, __newsize);
}
basic_string&
@ -517,6 +503,7 @@ namespace std
else if (__pos)
traits_type::move(_M_data(), __s, __n);
_M_rep()->_M_length = __n;
_M_data()[__n] = _Rep::_S_terminal;
return *this;
}
}