freebsd-nq/contrib/libstdc++/libsupc++/del_op.cc

// Boilerplate support routines for -*- C++ -*- dynamic memory management.

// Copyright (C) 1997, 1998, 1999, 2000, 2004 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 2, 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.
//
// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING.  If not, write to
// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
// Boston, MA 02110-1301, 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 <bits/c++config.h>
#include "new"
#if _GLIBCXX_HOSTED
#include <cstdlib>
#endif

#if _GLIBCXX_HOSTED
using std::free;
#else
// A freestanding C runtime may not provide "free" -- but there is no
// other reasonable way to implement "operator delete".
extern "C" void free(void *);
#endif

_GLIBCXX_WEAK_DEFINITION void
operator delete (void *ptr) throw ()
{
  if (ptr)
    free (ptr);
}