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-rw-r--r--gcc-4.4.3/libstdc++-v3/libsupc++/new_opnt.cc63
1 files changed, 63 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/libsupc++/new_opnt.cc b/gcc-4.4.3/libstdc++-v3/libsupc++/new_opnt.cc
new file mode 100644
index 000000000..766985ee8
--- /dev/null
+++ b/gcc-4.4.3/libstdc++-v3/libsupc++/new_opnt.cc
@@ -0,0 +1,63 @@
+// Support routines for the -*- C++ -*- dynamic memory management.
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2004, 2009
+// Free Software Foundation
+//
+// This file is part of GCC.
+//
+// GCC 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.
+//
+// GCC 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.
+//
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+#include <bits/c++config.h>
+#include <exception_defines.h>
+#include "new"
+
+using std::new_handler;
+using std::bad_alloc;
+
+extern "C" void *malloc (std::size_t);
+extern new_handler __new_handler;
+
+_GLIBCXX_WEAK_DEFINITION void *
+operator new (std::size_t sz, const std::nothrow_t&) throw()
+{
+ void *p;
+
+ /* malloc (0) is unpredictable; avoid it. */
+ if (sz == 0)
+ sz = 1;
+ p = (void *) malloc (sz);
+ while (p == 0)
+ {
+ new_handler handler = __new_handler;
+ if (! handler)
+ return 0;
+ try
+ {
+ handler ();
+ }
+ catch (bad_alloc &)
+ {
+ return 0;
+ }
+
+ p = (void *) malloc (sz);
+ }
+
+ return p;
+}