Gcc 3.1.0 pre-release's C++ support bits from the FSF anoncvs repo

on 9-May-2002 15:57:15 EDT.

1 files changed, 63 insertions, 0 deletions

diff --git a/contrib/libstdc++/libsupc++/new_op.cc b/contrib/libstdc++/libsupc++/new_op.cc
new file mode 100644
index 0000000..df43e6e
--- /dev/null
+++ b/contrib/libstdc++/libsupc++/new_op.cc
@@ -0,0 +1,63 @@
+// Support routines for the -*- C++ -*- dynamic memory management.
+// Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation
+//
+// This file is part of GNU CC.
+//
+// GNU CC 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.
+//
+// GNU CC 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 GNU CC; see the file COPYING.  If not, write to
+// the Free Software Foundation, 59 Temple Place - Suite 330,
+// Boston, MA 02111-1307, 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.
+
+#include "new"
+#include <cstdlib>
+#include <exception_defines.h>
+
+using std::new_handler;
+using std::bad_alloc;
+
+extern "C" void *malloc (std::size_t);
+extern new_handler __new_handler;
+
+void *
+operator new (std::size_t sz) throw (std::bad_alloc)
+{
+  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)
+#ifdef __EXCEPTIONS
+	throw bad_alloc();
+#else
+        std::abort();
+#endif
+      handler ();
+      p = (void *) malloc (sz);
+    }
+
+  return p;
+}