projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | // (C) Copyright John Maddock 2001. |
| 2 | // Use, modification and distribution are subject to the | |
| 3 | // Boost Software License, Version 1.0. (See accompanying file | |
| 4 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 5 | ||
| 6 | // See http://www.boost.org/libs/config for most recent version. | |
| 7 | ||
| 8 | // MACRO: BOOST_HAS_PARTIAL_STD_ALLOCATOR | |
| 9 | // TITLE: limited std::allocator support | |
| 10 | // DESCRIPTION: The std lib has at least some kind of stanfard allocator | |
| 11 | // with allocate/deallocate members and probably not much more. | |
| 12 | ||
| 13 | #include <memory> | |
| 14 | ||
| 15 | #if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7))) | |
| 16 | # define BOOST_UNUSED_ATTRIBUTE __attribute__((unused)) | |
| 17 | #else | |
| 18 | # define BOOST_UNUSED_ATTRIBUTE | |
| 19 | #endif | |
| 20 | ||
| 21 | namespace boost_has_partial_std_allocator{ | |
| 22 | ||
| 23 | // | |
| 24 | // test everything except rebind template members: | |
| 25 | // | |
| 26 | ||
| 27 | template <class T> | |
| 28 | int test_allocator(const T& i) | |
| 29 | { | |
| 30 | typedef std::allocator<int> alloc1_t; | |
| 31 | typedef typename alloc1_t::size_type size_type; | |
| 32 | typedef typename alloc1_t::difference_type difference_type BOOST_UNUSED_ATTRIBUTE; | |
| 33 | typedef typename alloc1_t::pointer pointer; | |
| 34 | typedef typename alloc1_t::const_pointer const_pointer; | |
| 35 | typedef typename alloc1_t::reference reference; | |
| 36 | typedef typename alloc1_t::const_reference const_reference; | |
| 37 | typedef typename alloc1_t::value_type value_type BOOST_UNUSED_ATTRIBUTE; | |
| 38 | ||
| 39 | alloc1_t a1; | |
| 40 | ||
| 41 | pointer p = a1.allocate(1); | |
| 42 | const_pointer cp = p; | |
| 43 | a1.construct(p,i); | |
| 44 | size_type s = a1.max_size(); | |
| 45 | (void)s; | |
| 46 | reference r = *p; | |
| 47 | const_reference cr = *cp; | |
| 48 | if(p != a1.address(r)) return -1; | |
| 49 | if(cp != a1.address(cr)) return -1; | |
| 50 | a1.destroy(p); | |
| 51 | a1.deallocate(p,1); | |
| 52 | ||
| 53 | return 0; | |
| 54 | } | |
| 55 | ||
| 56 | ||
| 57 | int test() | |
| 58 | { | |
| 59 | return test_allocator(0); | |
| 60 | } | |
| 61 | ||
| 62 | } | |
| 63 | ||
| 64 | #undef BOOST_UNUSED_ATTRIBUTE | |
| 65 |