fixed more binutils issues (newer gcc/libc)
[zpugcc/jano.git] / toolchain / gcc / libstdc++-v3 / libsupc++ / new_opnt.cc
blob4d7a5087c14c1375630d9ec63dabe590bb7acfe5
1 // Support routines for the -*- C++ -*- dynamic memory management.
2 // Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation
3 //
4 // This file is part of GCC.
5 //
6 // GCC is free software; you can redistribute it and/or modify
7 // it under the terms of the GNU General Public License as published by
8 // the Free Software Foundation; either version 2, or (at your option)
9 // any later version.
11 // GCC is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with GCC; see the file COPYING. If not, write to
18 // the Free Software Foundation, 59 Temple Place - Suite 330,
19 // Boston, MA 02111-1307, USA.
21 // As a special exception, you may use this file as part of a free software
22 // library without restriction. Specifically, if other files instantiate
23 // templates or use macros or inline functions from this file, or you compile
24 // this file and link it with other files to produce an executable, this
25 // file does not by itself cause the resulting executable to be covered by
26 // the GNU General Public License. This exception does not however
27 // invalidate any other reasons why the executable file might be covered by
28 // the GNU General Public License.
30 #include "new"
31 #include <exception_defines.h>
33 using std::new_handler;
34 using std::bad_alloc;
36 extern "C" void *malloc (std::size_t);
37 extern new_handler __new_handler;
39 void *
40 operator new (std::size_t sz, const std::nothrow_t&) throw()
42 void *p;
44 /* malloc (0) is unpredictable; avoid it. */
45 if (sz == 0)
46 sz = 1;
47 p = (void *) malloc (sz);
48 while (p == 0)
50 new_handler handler = __new_handler;
51 if (! handler)
52 return 0;
53 try
55 handler ();
57 catch (bad_alloc &)
59 return 0;
62 p = (void *) malloc (sz);
65 return p;