llvm-gcc-4.2/libstdc++-v3/testsuite/27_io/basic_stringbuf/sputc/wchar_t/1057.cc

// 1999-10-11 bkoz

// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
// 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.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

// 27.5.2 template class basic_streambuf

#include <string>
#include <sstream>
#include <testsuite_hooks.h>

class nullsetpbuf : public std::wstringbuf
{
  wchar_t foo[64];
public:
  nullsetpbuf()
  {
    setp(foo, foo + 64);
    setp(NULL, NULL);
  }
};

// libstdc++/1057
void test05()
{
  std::wstring text1 = L"abcdefghijklmn";
  
  nullsetpbuf nsp;
  // Immediate crash as sputc writes to null pointer
  nsp.sputc(L'a');
}

int main() 
{
  test05();
  return 0;
}