| // Support routine 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); |
| |
| typedef void (*vfp)(void); |
| extern vfp __new_handler; |
| extern void __default_new_handler (void); |
| |
| void *operator new (size_t sz, const nothrow_t&) throw() |
| { |
| void *p; |
| vfp handler = __new_handler; |
| |
| /* malloc (0) is unpredictable; avoid it. */ |
| if (sz == 0) |
| sz = 1; |
| p = (void *) malloc (sz); |
| while (p == 0) |
| { |
| if (! handler) |
| return 0; |
| (*handler) (); |
| p = (void *) malloc (sz); |
| } |
| |
| return p; |
| } |