re PR libstdc++/16959 (Segmentation fault in ios_base::sync_with_stdio)

2004-08-11  Paolo Carlini  <pcarlini@suse.de>
	    Petur Runolfsson  <peturr02@ru.is>

	PR libstdc++/16959
	* src/ios_init.cc (ios_base::sync_with_stdio): Make sure the
	standard streams are constructed.
	* testsuite/27_io/ios_base/sync_with_stdio/16959.cc: New.

Co-Authored-By: Petur Runolfsson <peturr02@ru.is>
From-SVN: r85797

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 816c4e7758017726b5c5dd6de35a5aaf681b5d3a..005df42370649fb8166dfff99fd3e7964bc0605c 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,11 @@
+2004-08-11  Paolo Carlini  <pcarlini@suse.de>
+           Petur Runolfsson  <peturr02@ru.is>
+
+       PR libstdc++/16959
+       * src/ios_init.cc (ios_base::sync_with_stdio): Make sure the
+       standard streams are constructed.
+       * testsuite/27_io/ios_base/sync_with_stdio/16959.cc: New.
+
 2004-08-09  Paolo Carlini  <pcarlini@suse.de>
 
        * include/bits/stl_bvector.h: Trivial formatting fixes.

diff --git a/libstdc++-v3/src/ios_init.cc b/libstdc++-v3/src/ios_init.cc
index ae7b8e1b5f2787854764ed3e9c75783601f768d8..346ed4ed54925768bbaa7f7b3cba9e0e47ab8ae3 100644 (file)
--- a/libstdc++-v3/src/ios_init.cc
+++ b/libstdc++-v3/src/ios_init.cc
@@ -155,6 +155,9 @@ namespace std
     // currently synchronized.
     if (!__sync && __ret)
       {
+       // Make sure the standard streams are constructed.
+       ios_base::Init __init;
+
        ios_base::Init::_S_synced_with_stdio = __sync;
 
        // Explicitly call dtors to free any memory that is

diff --git a/libstdc++-v3/testsuite/27_io/ios_base/sync_with_stdio/16959.cc b/libstdc++-v3/testsuite/27_io/ios_base/sync_with_stdio/16959.cc
new file mode 100644 (file)
index 0000000..8d3826b
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/ios_base/sync_with_stdio/16959.cc
@@ -0,0 +1,33 @@
+// Copyright (C) 2004 Free Software Foundation
+//
+// 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.
+
+// 27.4.2.4 ios_base static members
+
+#include <ios>
+
+// libstdc++/16959
+void test01()
+{
+  std::ios_base::sync_with_stdio(false);
+}
+
+int main()
+{
+  test01();
+  return 0;
+}