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Implement the resolution of DR 455, [DR].

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2006-03-08  Paolo Carlini  <pcarlini@suse.de>

	Implement the resolution of DR 455, [DR].
	* src/ios_init.cc (ios_base::Init::Init()): Do it.
	* testsuite/27_io/objects/char/dr455.cc: New.
	* testsuite/27_io/objects/wchar_t/dr455.cc: Likewise.
	* docs/html/ext/howto.html: Add an entry for DR 455.

From-SVN: r111842
This commit is contained in:
Paolo Carlini 2006-03-08 09:44:56 +00:00 • committed by Paolo Carlini
parent 50d5ff7d8f
commit 634a11f7bf
5 changed files with 94 additions and 2 deletions
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8
libstdc++-v3/ChangeLog
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@ -1,3 +1,11 @@
2006-03-08 Paolo Carlini <pcarlini@suse.de>
Implement the resolution of DR 455, [DR].
* src/ios_init.cc (ios_base::Init::Init()): Do it.
* testsuite/27_io/objects/char/dr455.cc: New.
* testsuite/27_io/objects/wchar_t/dr455.cc: Likewise.
* docs/html/ext/howto.html: Add an entry for DR 455.
2006-03-07 Paolo Carlini <pcarlini@suse.de>
* include/tr1/cmath: Add C99 overloads.

6
libstdc++-v3/docs/html/ext/howto.html
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@ -561,6 +561,12 @@
<dd>Don't fail if the next pointer is null and newoff is zero.
</dd>
<dt><a href="lwg-defects.html#455">455</a>:
<em>cerr::tie() and wcerr::tie() are overspecified</em>
</dt>
<dd>Initialize cerr tied to cout and wcerr tied to wcout.
</dd>
<dt><a href="lwg-defects.html#464">464</a>:
<em>Suggestion for new member functions in standard containers</em>
</dt>

8
libstdc++-v3/src/ios_init.cc
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@ -1,6 +1,6 @@
// Iostreams base classes -*- C++ -*-
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
@ -99,7 +99,10 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
new (&clog) ostream(&buf_cerr_sync);
cin.tie(&cout);
cerr.flags(ios_base::unitbuf);
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 455. cerr::tie() and wcerr::tie() are overspecified.
cerr.tie(&cout);
#ifdef _GLIBCXX_USE_WCHAR_T
new (&buf_wcout_sync) stdio_sync_filebuf<wchar_t>(stdout);
new (&buf_wcin_sync) stdio_sync_filebuf<wchar_t>(stdin);
@ -111,6 +114,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
new (&wclog) wostream(&buf_wcerr_sync);
wcin.tie(&wcout);
wcerr.flags(ios_base::unitbuf);
wcerr.tie(&wcout);
#endif
// NB: Have to set refcount above one, so that standard

37
libstdc++-v3/testsuite/27_io/objects/char/dr455.cc Normal file
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@ -0,0 +1,37 @@
// 2006-03-08 Paolo Carlini <pcarlini@suse.de>
// Copyright (C) 2006 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, 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 COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
#include <iostream>
#include <testsuite_hooks.h>
// DR 455. cerr::tie() and wcerr::tie() are overspecified.
void test01()
{
bool test __attribute__((unused)) = true;
VERIFY( std::cerr.tie() == &std::cout );
}
int
main()
{
test01();
return 0;
}

37
libstdc++-v3/testsuite/27_io/objects/wchar_t/dr455.cc Normal file
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@ -0,0 +1,37 @@
// 2006-03-08 Paolo Carlini <pcarlini@suse.de>
// Copyright (C) 2006 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, 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 COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
#include <iostream>
#include <testsuite_hooks.h>
// DR 455. cerr::tie() and wcerr::tie() are overspecified.
void test01()
{
bool test __attribute__((unused)) = true;
VERIFY( std::wcerr.tie() == &std::wcout );
}
int
main()
{
test01();
return 0;
}