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streambuf_iterator.h (_M_put): Set _M_failed if sputn fails.

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2003-03-07  Jerry Quinn  <jlquinn@optonline.net>

	* include/bits/streambuf_iterator.h (_M_put): Set _M_failed if
	sputn fails.
	* testsuite/27_io/ostream_fail.cc: New test.

From-SVN: r63944
This commit is contained in:
Jerry Quinn 2003-03-07 14:14:11 +00:00 committed by Jerry Quinn
parent 37f74dcf95
commit 53279c104f
3 changed files with 62 additions and 1 deletions
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6
libstdc++-v3/ChangeLog
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@ -1,3 +1,9 @@
2003-03-07 Jerry Quinn <jlquinn@optonline.net>
* include/bits/streambuf_iterator.h (_M_put): Set _M_failed if
sputn fails.
* testsuite/27_io/ostream_fail.cc: New test.
2003-03-07 Matthias Klose <doko@debian.org>
* Makefile.am (AM_MAKEFLAGS): Also pass gxx_include_dir.

4
libstdc++-v3/include/bits/streambuf_iterator.h
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@ -202,7 +202,9 @@ namespace std
ostreambuf_iterator&
_M_put(const _CharT* __ws, streamsize __len)
{
this->_M_sbuf->sputn(__ws, __len);
if (__builtin_expect(!_M_failed, true)
&& __builtin_expect(this->_M_sbuf->sputn(__ws, __len) != __len, false))
_M_failed = true;
return *this;
}
};

53
libstdc++-v3/testsuite/27_io/ostream_fail.cc Normal file
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@ -0,0 +1,53 @@
// 2003-02-24 Petur Runolfsson <peturr02 at ru dot is>
// Copyright (C) 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
// 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
#include <ostream>
#include <streambuf>
#include <testsuite_hooks.h>
// libstdc++/9827
class Buf : public std::streambuf
{
};
bool test01()
{
using namespace std;
bool test = true;
Buf buf;
ostream stream (&buf);
stream << 1;
VERIFY(!stream.good());
#ifdef DEBUG_ASSERT
assert(test);
#endif
return test;
}
int main()
{
test01();
return 0;
}