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1 | // |
2 | // Copyright (C) 2004 Free Software Foundation, Inc. | |
3 | // | |
4 | // This file is part of the GNU ISO C++ Library. This library is free | |
5 | // software; you can redistribute it and/or modify it under the | |
6 | // terms of the GNU General Public License as published by the | |
7 | // Free Software Foundation; either version 2, or (at your option) | |
8 | // any later version. | |
9 | // | |
10 | // This library is distributed in the hope that it will be useful, | |
11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | // GNU General Public License for more details. | |
14 | // | |
15 | // You should have received a copy of the GNU General Public License along | |
16 | // with this library; see the file COPYING. If not, write to the Free | |
17 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
18 | // USA. | |
19 | ||
20 | // 20.4.1.1 allocator members | |
21 | ||
22 | #include <string> | |
23 | #include <stdexcept> | |
24 | #include <ext/mt_allocator.h> | |
25 | #include <testsuite_hooks.h> | |
26 | ||
27 | static size_t count; | |
28 | ||
29 | struct count_check | |
30 | { | |
31 | count_check() {} | |
32 | ~count_check() | |
33 | { | |
34 | if (count != 0) | |
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35 | { |
36 | // NB: __mt_allocator doesn't clean itself up. Thus, this will | |
37 | // not be zero. | |
38 | } | |
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39 | } |
40 | }; | |
41 | ||
42 | static count_check check; | |
43 | ||
44 | void* operator new(size_t size) throw(std::bad_alloc) | |
45 | { | |
46 | printf("operator new is called \n"); | |
47 | void* p = malloc(size); | |
48 | if (p == NULL) | |
49 | throw std::bad_alloc(); | |
50 | count++; | |
51 | return p; | |
52 | } | |
53 | ||
54 | void operator delete(void* p) throw() | |
55 | { | |
56 | printf("operator delete is called \n"); | |
57 | if (p == NULL) | |
58 | return; | |
59 | count--; | |
60 | if (count == 0) | |
61 | printf("All memory released \n"); | |
62 | else | |
63 | printf("%u allocations to be released \n", count); | |
64 | free(p); | |
65 | } | |
66 | ||
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67 | typedef char value_t; |
68 | typedef std::char_traits<value_t> traits_t; | |
69 | typedef __gnu_cxx::__per_type_pool_policy<value_t, false> policy_t; | |
70 | typedef __gnu_cxx::__mt_alloc<value_t, policy_t> allocator_t; | |
71 | typedef std::basic_string<value_t, traits_t, allocator_t> string_t; | |
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72 | |
73 | int main() | |
74 | { | |
75 | bool test __attribute__((unused)) = true; | |
76 | { | |
77 | string_t s; | |
78 | s += "bayou bend"; | |
79 | } | |
80 | return 0; | |
81 | } |