libstdc++-v3/testsuite/27_io/basic_streambuf/sputn/char/1057.cc

   1 // 1999-10-11 bkoz
   2
   3 // Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 // 27.5.2 template class basic_streambuf
  31
  32 #include <streambuf>
  33 #include <sstream>
  34 #include <testsuite_hooks.h>
  35
  36 class nullsetpbuf : public std::streambuf
  37 {
  38   char foo[64];
  39 public:
  40   nullsetpbuf()
  41   {
  42     setp(foo, foo + 64);
  43     setp(NULL, NULL);
  44   }
  45 };
  46
  47 // libstdc++/1057
  48 void test05()
  49 {
  50   std::string text1 = "abcdefghijklmn";
  51
  52   nullsetpbuf nsp;
  53   // Immediate crash as xsputn writes to null pointer
  54   nsp.sputn(text1.c_str(), text1.length());
  55 }
  56
  57 int main()
  58 {
  59   test05();
  60   return 0;
  61 }