| // checking for class ::bad_alloc |
| |
| /*************************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed |
| * with this work for additional information regarding copyright |
| * ownership. The ASF licenses this file to you under the Apache |
| * License, Version 2.0 (the License); you may not use this file |
| * except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. See the License for the specific language governing |
| * permissions and limitations under the License. |
| * |
| * Copyright 1999-2007 Rogue Wave Software, Inc. |
| * |
| **************************************************************************/ |
| |
| #include "config.h" |
| |
| #if !defined (_RWSTD_NO_NEW_THROWS) && !defined (_RWSTD_NO_NEW_OFLOW_SAFE) |
| # include <stddef.h> // for size_t |
| #endif // !_RWSTD_NO_NEW_THROWS && !_RWSTD_NO_NEW_OFLOW_SAFE |
| |
| #ifndef _RWSTD_NO_SETRLIMIT |
| // test for setrlimit() presence before compiling current file |
| #endif |
| |
| // proclimits.h must be included only after #if[n]def _RWSTD_NO_SETRLIMIT |
| #include "proclimits.h" |
| |
| #ifndef _RWSTD_NO_HONOR_STD |
| # ifdef _RWSTD_NO_STD_TERMINATE |
| # include "terminate.h" |
| # endif // _RWSTD_NO_STD_TERMINATE |
| #endif // _RWSTD_NO_HONOR_STD |
| |
| |
| struct bad_alloc { }; |
| |
| |
| #if defined (_MSC_VER) |
| |
| #include <crtdbg.h> // for _CrtSetReportMode() |
| |
| void disable_msc_gui () |
| { |
| _CrtSetReportMode (_CRT_WARN, _CRTDBG_MODE_FILE); |
| _CrtSetReportMode (_CRT_ERROR, _CRTDBG_MODE_FILE); |
| _CrtSetReportMode (_CRT_ASSERT, _CRTDBG_MODE_FILE); |
| } |
| |
| #else // if !defined (_MSC_VER) |
| |
| void disable_msc_gui () { /* no-op */ } |
| |
| #endif // _MSC_VER |
| |
| |
| int main () |
| { |
| // prevent MSVC's libc from popping up a dialog box |
| // with an out-of-memory message |
| disable_msc_gui (); |
| |
| try { |
| |
| #ifndef _RWSTD_NO_NEW_THROWS |
| # ifndef _RWSTD_NO_NEW_OFLOW_SAFE |
| |
| void *p = ::operator new (size_t (-1)); |
| |
| if (!p) |
| return 1; |
| |
| # else // if defined (_RWSTD_NO_NEW_OFLOW_SAFE) |
| |
| limit_memory (0); |
| |
| for (unsigned long n = 1UL << (sizeof (long) * 8 - 1); |
| 0 != n; n |= (n >> 1)) { |
| |
| // try to allocate a huge amount of memory |
| void *p = ::operator new (n); |
| |
| if (!p) |
| return 1; |
| } |
| |
| # endif // _RWSTD_NO_NEW_OFLOW_SAFE |
| #else // if defined (_RWSTD_NO_NEW_THROWS) |
| |
| return 4; |
| |
| #endif |
| |
| } |
| catch (bad_alloc&) { |
| return 0; |
| } |
| catch (...) { |
| return 2; |
| } |
| |
| return 3; |
| } |