--- /dev/null
+// 1999-10-11 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2009
+// 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 3, 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 COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+
+// 27.5.2 template class basic_streambuf
+
+#include <string>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+class nullsetpbuf : public std::stringbuf
+{
+ char foo[64];
+public:
+ nullsetpbuf()
+ {
+ setp(foo, foo + 64);
+ setp(NULL, NULL);
+ }
+};
+
+// libstdc++/1057
+void test05()
+{
+ std::string text1 = "abcdefghijklmn";
+
+ nullsetpbuf nsp;
+ // Immediate crash as xsputn writes to null pointer
+ nsp.sputn(text1.c_str(), text1.length());
+}
+
+int main()
+{
+ test05();
+ return 0;
+}