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// Support routines for the -*- C++ -*- dynamic memory management.
// Copyright (C) 1997 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, if you link this library with other files,
// some of which are compiled with GCC, to produce an executable,
// this library 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"
extern "C" void *malloc (size_t);
extern new_handler __new_handler;
#define WEAK(x) \
x __attribute__ ((weak)); \
x
#ifdef L_op_newnt
WEAK (void * operator new (size_t sz, const 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;
}
#endif
#ifdef L_op_new
WEAK (void * operator new (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)
throw bad_alloc ();
handler ();
p = (void *) malloc (sz);
}
return p;
}
#endif
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