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12cde21b | 1 | // |
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2 | // Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 |
3 | // Free Software Foundation, Inc. | |
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4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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9 | // any later version. |
10 | // | |
11 | // This library 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. | |
15 | // | |
16 | // You should have received a copy of the GNU General Public License along | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | // 20.4.1.1 allocator members | |
21 | ||
22 | #include <string> | |
a1340af7 | 23 | #include <stdexcept> |
debac9f4 | 24 | #include <cstdlib> |
b7e2f896 | 25 | #include <cstdio> |
12cde21b | 26 | #include <ext/new_allocator.h> |
12cde21b | 27 | |
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28 | static size_t count; |
29 | ||
30 | struct count_check | |
31 | { | |
32 | count_check() { } | |
33 | ~count_check() | |
34 | { | |
35 | if (count != 0) | |
36 | throw std::runtime_error("allocation/deallocation count isn't zero"); | |
37 | } | |
38 | }; | |
12cde21b | 39 | |
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40 | static count_check check; |
41 | ||
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42 | void* operator new(size_t size) throw(std::bad_alloc) |
43 | { | |
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44 | std::printf("operator new is called \n"); |
45 | void* p = std::malloc(size); | |
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46 | if (p == NULL) |
47 | throw std::bad_alloc(); | |
a1340af7 | 48 | count++; |
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49 | return p; |
50 | } | |
51 | ||
52 | void operator delete(void* p) throw() | |
53 | { | |
debac9f4 | 54 | std::printf("operator delete is called \n"); |
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55 | if (p == NULL) |
56 | return; | |
a1340af7 | 57 | count--; |
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58 | } |
59 | ||
60 | typedef char char_t; | |
61 | typedef std::char_traits<char_t> traits_t; | |
62 | typedef __gnu_cxx::new_allocator<char_t> allocator_t; | |
63 | typedef std::basic_string<char_t, traits_t, allocator_t> string_t; | |
64 | ||
65 | int main() | |
66 | { | |
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67 | string_t s; |
68 | s += "bayou bend"; | |
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69 | return 0; |
70 | } |