| // checking for operator new[] (size_t, void*) |
| |
| /*************************************************************************** |
| * |
| * 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" |
| |
| #include <stddef.h> |
| |
| #ifdef _RWSTD_NO_EXCEPTION_SPECIFICATION |
| # define throw() |
| #endif // _RWSTD_NO_EXCEPTION_SPECIFICATION |
| |
| #ifndef _RWSTD_NO_HONOR_STD |
| # ifdef _RWSTD_NO_STD_TERMINATE |
| # include "terminate.h" |
| # endif // _RWSTD_NO_STD_TERMINATE |
| #endif // _RWSTD_NO_HONOR_STD |
| |
| |
| void* operator new[] (size_t, void*) throw (); |
| |
| void* foo (size_t n, void *p) throw () { return ::operator new[] (n, p); } |
| |
| void* (*operator_new_array)(size_t, void*); |
| |
| |
| struct S { |
| char c_; |
| char d_; |
| |
| S (): c_ ('c'), d_ ('d') { } |
| }; |
| |
| |
| int main (int argc, char *argv[]) |
| { |
| (void)&argv; |
| |
| int result = 0; |
| |
| char buf [sizeof (S) + 32]; |
| |
| void *p0 = buf; |
| |
| void *p1 = ::operator new[] (sizeof (S), p0); |
| |
| if (p1 != p0) |
| result = result << 1 + 1; |
| |
| if (argc > 1) |
| operator_new_array = &operator new[]; |
| else |
| operator_new_array = &foo; |
| |
| p1 = operator_new_array (sizeof (S), p0); |
| |
| if (p1 != p0) |
| result = (result << 1) + 1; |
| |
| S *s = new (p0) S [1]; |
| |
| if (p1 != p0) |
| result = (result << 1) + 1; |
| |
| if (s->c_ != 'c' || s->d_ != 'd') |
| result = (result << 1) + 1; |
| |
| // prevent compilers from optimizing the code above away |
| // without actually ever using the result (unless the |
| // test is invoked with command line arguments) |
| if (argc > 1) |
| return result; |
| |
| return 0; |
| } |