1 // Boilerplate support routines for -*- C++ -*- dynamic memory management.
2
3 // Copyright (C) 1997-2022 Free Software Foundation, Inc.
4 //
5 // This file is part of GCC.
6 //
7 // GCC is free software; you can redistribute it and/or modify
8 // it under the terms of the GNU General Public License as published by
9 // the Free Software Foundation; either version 3, or (at your option)
10 // any later version.
11 //
12 // GCC is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
16 //
17 // Under Section 7 of GPL version 3, you are granted additional
18 // permissions described in the GCC Runtime Library Exception, version
19 // 3.1, as published by the Free Software Foundation.
20
21 // You should have received a copy of the GNU General Public License and
22 // a copy of the GCC Runtime Library Exception along with this program;
23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 // <http://www.gnu.org/licenses/>.
25
26 #include <bits/c++config.h>
27 #include "new"
28 #include "exception_defines.h"
29
30 _GLIBCXX_WEAK_DEFINITION void*
operator new[](std::size_t sz,const std::nothrow_t &)31 operator new[] (std::size_t sz, const std::nothrow_t&) noexcept
32 {
33 // _GLIBCXX_RESOLVE_LIB_DEFECTS
34 // 206. operator new(size_t, nothrow) may become unlinked to ordinary
35 // operator new if ordinary version replaced
36 __try
37 {
38 return ::operator new[](sz);
39 }
40 __catch (...)
41 {
42 return nullptr;
43 }
44 }
45