stl_raw_storage_iter.h: Format.
2001-06-18 Benjamin Kosnik <bkoz@redhat.com> * include/bits/stl_raw_storage_iter.h: Format. Correct derivation. * testsuite/20_util/raw_storage_iterator.cc: Same. * include/bits/stl_alloc.h (_S_chunk_alloc): Change malloc to operator new. (__mem_interface): New typedef for switching between malloc and new. * testsuite/20_util/allocator_members.cc: New file. * testsuite/20_util/comparisons.cc: New file. * testsuite/20_util/pairs.cc: New file. From-SVN: r43451
This commit is contained in:
parent
afbc5d8693
commit
3768cee7ca
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@ -1,3 +1,16 @@
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2001-06-18 Benjamin Kosnik <bkoz@redhat.com>
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* include/bits/stl_raw_storage_iter.h: Format. Correct derivation.
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* testsuite/20_util/raw_storage_iterator.cc: Same.
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* include/bits/stl_alloc.h (_S_chunk_alloc): Change malloc to
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operator new.
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(__mem_interface): New typedef for switching between malloc and new.
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* testsuite/20_util/allocator_members.cc: New file.
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* testsuite/20_util/comparisons.cc: New file.
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* testsuite/20_util/pairs.cc: New file.
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2001-06-15 Phil Edwards <pme@sources.redhat.com>
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* docs/html/documentation.html: Point to new doxygen'ed collection.
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@ -67,33 +67,44 @@
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namespace std
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{
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// A new-based allocator, as required by the standard.
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class __new_alloc
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{
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public:
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static void*
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allocate(size_t __n)
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{ return ::operator new(__n); }
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// Malloc-based allocator. Typically slower than default alloc below.
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// Typically thread-safe and more storage efficient.
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template <int __inst>
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class __malloc_alloc_template {
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private:
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static void
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deallocate(void* __p, size_t)
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{ ::operator delete(__p); }
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};
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// Malloc-based allocator. Typically slower than default alloc below.
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// Typically thread-safe and more storage efficient.
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template <int __inst>
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class __malloc_alloc_template
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{
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private:
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static void* _S_oom_malloc(size_t);
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static void* _S_oom_realloc(void*, size_t);
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static void (* __malloc_alloc_oom_handler)();
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public:
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static void* allocate(size_t __n)
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public:
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static void*
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allocate(size_t __n)
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{
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void* __result = malloc(__n);
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if (0 == __result) __result = _S_oom_malloc(__n);
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return __result;
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}
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static void deallocate(void* __p, size_t /* __n */)
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{
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free(__p);
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}
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static void
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deallocate(void* __p, size_t /* __n */)
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{ free(__p); }
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static void* reallocate(void* __p, size_t /* old_sz */, size_t __new_sz)
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static void*
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reallocate(void* __p, size_t /* old_sz */, size_t __new_sz)
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{
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void* __result = realloc(__p, __new_sz);
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if (0 == __result) __result = _S_oom_realloc(__p, __new_sz);
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@ -106,46 +117,56 @@ public:
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__malloc_alloc_oom_handler = __f;
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return(__old);
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}
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};
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};
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// malloc_alloc out-of-memory handling
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template <int __inst>
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void (* __malloc_alloc_template<__inst>::__malloc_alloc_oom_handler)() = 0;
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// malloc_alloc out-of-memory handling
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template <int __inst>
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void (* __malloc_alloc_template<__inst>::__malloc_alloc_oom_handler)() = 0;
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template <int __inst>
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void*
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__malloc_alloc_template<__inst>::_S_oom_malloc(size_t __n)
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{
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template <int __inst>
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void*
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__malloc_alloc_template<__inst>::_S_oom_malloc(size_t __n)
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{
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void (* __my_malloc_handler)();
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void* __result;
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for (;;) {
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for (;;)
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{
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__my_malloc_handler = __malloc_alloc_oom_handler;
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if (0 == __my_malloc_handler) { std::__throw_bad_alloc(); }
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if (0 == __my_malloc_handler)
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std::__throw_bad_alloc();
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(*__my_malloc_handler)();
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__result = malloc(__n);
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if (__result) return(__result);
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if (__result)
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return(__result);
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}
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}
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}
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template <int __inst>
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void* __malloc_alloc_template<__inst>::_S_oom_realloc(void* __p, size_t __n)
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{
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template <int __inst>
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void*
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__malloc_alloc_template<__inst>::_S_oom_realloc(void* __p, size_t __n)
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{
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void (* __my_malloc_handler)();
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void* __result;
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for (;;) {
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for (;;)
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{
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__my_malloc_handler = __malloc_alloc_oom_handler;
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if (0 == __my_malloc_handler) { std::__throw_bad_alloc(); }
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if (0 == __my_malloc_handler)
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std::__throw_bad_alloc();
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(*__my_malloc_handler)();
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__result = realloc(__p, __n);
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if (__result) return(__result);
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if (__result)
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return(__result);
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}
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}
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}
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typedef __malloc_alloc_template<0> malloc_alloc;
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// Determines the underlying allocator choice.
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# ifdef __USE_MALLOC
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typedef __malloc_alloc_template<0> __mem_interface;
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#else
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typedef __new_alloc __mem_interface;
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#endif
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template<class _Tp, class _Alloc>
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class simple_alloc {
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@ -295,12 +316,11 @@ public:
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{
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void* __ret = 0;
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if (__n > (size_t) _MAX_BYTES) {
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__ret = malloc_alloc::allocate(__n);
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}
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else {
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_Obj* __STL_VOLATILE* __my_free_list
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= _S_free_list + _S_freelist_index(__n);
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if (__n > (size_t) _MAX_BYTES)
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__ret = __mem_interface::allocate(__n);
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else
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{
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_Obj* __STL_VOLATILE* __my_free_list = _S_free_list + _S_freelist_index(__n);
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// Acquire the lock here with a constructor call.
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// This ensures that it is released in exit or during stack
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// unwinding.
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_Obj* __RESTRICT __result = *__my_free_list;
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if (__result == 0)
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__ret = _S_refill(_S_round_up(__n));
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else {
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else
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{
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*__my_free_list = __result -> _M_free_list_link;
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__ret = __result;
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}
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@ -324,8 +345,9 @@ public:
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static void deallocate(void* __p, size_t __n)
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{
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if (__n > (size_t) _MAX_BYTES)
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malloc_alloc::deallocate(__p, __n);
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else {
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__mem_interface::deallocate(__p, __n);
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else
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{
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_Obj* __STL_VOLATILE* __my_free_list
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= _S_free_list + _S_freelist_index(__n);
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_Obj* __q = (_Obj*)__p;
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}
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static void* reallocate(void* __p, size_t __old_sz, size_t __new_sz);
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} ;
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};
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typedef __default_alloc_template<__NODE_ALLOCATOR_THREADS, 0> alloc;
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typedef __default_alloc_template<false, 0> single_client_alloc;
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@ -377,41 +398,49 @@ __default_alloc_template<__threads, __inst>::_S_chunk_alloc(size_t __size,
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size_t __total_bytes = __size * __nobjs;
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size_t __bytes_left = _S_end_free - _S_start_free;
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if (__bytes_left >= __total_bytes) {
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if (__bytes_left >= __total_bytes)
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{
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__result = _S_start_free;
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_S_start_free += __total_bytes;
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return(__result);
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} else if (__bytes_left >= __size) {
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}
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else if (__bytes_left >= __size)
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{
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__nobjs = (int)(__bytes_left/__size);
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__total_bytes = __size * __nobjs;
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__result = _S_start_free;
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_S_start_free += __total_bytes;
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return(__result);
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} else {
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}
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else
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{
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size_t __bytes_to_get =
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2 * __total_bytes + _S_round_up(_S_heap_size >> 4);
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// Try to make use of the left-over piece.
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if (__bytes_left > 0) {
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if (__bytes_left > 0)
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{
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_Obj* __STL_VOLATILE* __my_free_list =
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_S_free_list + _S_freelist_index(__bytes_left);
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((_Obj*)_S_start_free) -> _M_free_list_link = *__my_free_list;
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*__my_free_list = (_Obj*)_S_start_free;
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}
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_S_start_free = (char*)malloc(__bytes_to_get);
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if (0 == _S_start_free) {
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_S_start_free = (char*) __mem_interface::allocate(__bytes_to_get);
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if (0 == _S_start_free)
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{
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size_t __i;
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_Obj* __STL_VOLATILE* __my_free_list;
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_Obj* __p;
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// Try to make do with what we have. That can't
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// hurt. We do not try smaller requests, since that tends
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// to result in disaster on multi-process machines.
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for (__i = __size;
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__i <= (size_t) _MAX_BYTES;
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__i += (size_t) _ALIGN) {
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// Try to make do with what we have. That can't hurt. We
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// do not try smaller requests, since that tends to result
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// in disaster on multi-process machines.
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__i = __size;
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for (; __i <= (size_t) _MAX_BYTES; __i += (size_t) _ALIGN)
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{
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__my_free_list = _S_free_list + _S_freelist_index(__i);
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__p = *__my_free_list;
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if (0 != __p) {
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if (0 != __p)
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{
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*__my_free_list = __p -> _M_free_list_link;
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_S_start_free = (char*)__p;
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_S_end_free = _S_start_free + __i;
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@ -421,7 +450,7 @@ __default_alloc_template<__threads, __inst>::_S_chunk_alloc(size_t __size,
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}
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}
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_S_end_free = 0; // In case of exception.
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_S_start_free = (char*)malloc_alloc::allocate(__bytes_to_get);
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_S_start_free = (char*)__mem_interface::allocate(__bytes_to_get);
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// This should either throw an
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// exception or remedy the situation. Thus we assume it
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// succeeded.
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@ -33,39 +33,45 @@
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namespace std
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{
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template <class _ForwardIterator, class _Tp>
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class raw_storage_iterator {
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protected:
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template <class _ForwardIterator, class _Tp>
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class raw_storage_iterator
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: public iterator<output_iterator_tag, void, void, void, void>
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{
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protected:
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_ForwardIterator _M_iter;
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public:
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typedef output_iterator_tag iterator_category;
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typedef void value_type;
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typedef void difference_type;
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typedef void pointer;
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typedef void reference;
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explicit raw_storage_iterator(_ForwardIterator __x) : _M_iter(__x) {}
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raw_storage_iterator& operator*() { return *this; }
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raw_storage_iterator& operator=(const _Tp& __element) {
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public:
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explicit
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raw_storage_iterator(_ForwardIterator __x) : _M_iter(__x) {}
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raw_storage_iterator&
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operator*() { return *this; }
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raw_storage_iterator&
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operator=(const _Tp& __element)
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{
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construct(&*_M_iter, __element);
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return *this;
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}
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raw_storage_iterator<_ForwardIterator, _Tp>& operator++() {
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raw_storage_iterator<_ForwardIterator, _Tp>&
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operator++()
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{
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++_M_iter;
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return *this;
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}
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raw_storage_iterator<_ForwardIterator, _Tp> operator++(int) {
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raw_storage_iterator<_ForwardIterator, _Tp>
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operator++(int)
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{
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raw_storage_iterator<_ForwardIterator, _Tp> __tmp = *this;
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++_M_iter;
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return __tmp;
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}
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};
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};
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} // namespace std
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#endif /* _CPP_BITS_STL_RAW_STORAGE_ITERATOR_H */
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#endif
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// Local Variables:
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// mode:C++
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|
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@ -0,0 +1,60 @@
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// 2001-06-14 Benjamin Kosnik <bkoz@redhat.com>
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// Copyright (C) 2001 Free Software Foundation, Inc.
|
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//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 2, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING. If not, write to the Free
|
||||
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
|
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// USA.
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||||
|
||||
// 20.4.1.1 allocator members
|
||||
|
||||
#include <memory>
|
||||
#include <cstdlib>
|
||||
#include <debug_assert.h>
|
||||
|
||||
struct gnu { };
|
||||
|
||||
bool check_new = false;
|
||||
bool check_delete = false;
|
||||
|
||||
void*
|
||||
operator new(std::size_t n) throw(std::bad_alloc)
|
||||
{
|
||||
check_new = true;
|
||||
return std::malloc(n);
|
||||
}
|
||||
|
||||
void operator delete(void *v) throw()
|
||||
{
|
||||
check_delete = true;
|
||||
return std::free(v);
|
||||
}
|
||||
|
||||
int main(void)
|
||||
{
|
||||
bool test = true;
|
||||
std::allocator<gnu> obj;
|
||||
|
||||
// XXX These should work for various size allocation and
|
||||
// deallocations. Currently, they only work as expected for sizes >
|
||||
// _MAX_BYTES as defined in stl_alloc.h, which happes to be 128.
|
||||
gnu* pobj = obj.allocate(256);
|
||||
VERIFY( check_new );
|
||||
|
||||
obj.deallocate(pobj, 256);
|
||||
VERIFY( check_delete );
|
||||
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,53 @@
|
|||
// 2001-06-18 Benjamin Kosnik <bkoz@redhat.com>
|
||||
|
||||
// Copyright (C) 2001 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 2, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING. If not, write to the Free
|
||||
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
|
||||
// USA.
|
||||
|
||||
// 20.3.3 Comparisons
|
||||
|
||||
#include <functional>
|
||||
|
||||
class gnu_obj
|
||||
{
|
||||
int i;
|
||||
public:
|
||||
gnu_obj(int arg = 0): i(arg) { }
|
||||
bool operator==(const gnu_obj& rhs) const { return i == rhs.i; }
|
||||
bool operator!=(const gnu_obj& rhs) const { return i != rhs.i; }
|
||||
bool operator<(const gnu_obj& rhs) const { return i < rhs.i; }
|
||||
};
|
||||
|
||||
template<typename T>
|
||||
struct gnu_t
|
||||
{
|
||||
bool b;
|
||||
public:
|
||||
gnu_t(bool arg = 0): b(arg) { }
|
||||
bool operator==(const gnu_t& rhs) const { return b == rhs.b; }
|
||||
bool operator!=(const gnu_t& rhs) const { return b != rhs.b; }
|
||||
bool operator<(const gnu_t& rhs) const { return b == rhs.b; }
|
||||
};
|
||||
|
||||
template struct std::not_equal_to<void*>;
|
||||
template struct std::not_equal_to<gnu_obj>;
|
||||
template struct std::not_equal_to<gnu_t<long> >;
|
||||
|
||||
int main()
|
||||
{
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,140 @@
|
|||
// 2001-06-18 Benjamin Kosnik <bkoz@redhat.com>
|
||||
|
||||
// Copyright (C) 2001 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 2, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING. If not, write to the Free
|
||||
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
|
||||
// USA.
|
||||
|
||||
// 20.2.2 Pairs
|
||||
|
||||
#include <utility>
|
||||
#include <debug_assert.h>
|
||||
|
||||
class gnu_obj
|
||||
{
|
||||
int i;
|
||||
public:
|
||||
gnu_obj(int arg = 0): i(arg) { }
|
||||
bool operator==(const gnu_obj& rhs) const { return i == rhs.i; }
|
||||
bool operator<(const gnu_obj& rhs) const { return i < rhs.i; }
|
||||
};
|
||||
|
||||
template<typename T>
|
||||
struct gnu_t
|
||||
{
|
||||
bool b;
|
||||
public:
|
||||
gnu_t(bool arg = 0): b(arg) { }
|
||||
bool operator==(const gnu_t& rhs) const { return b == rhs.b; }
|
||||
bool operator<(const gnu_t& rhs) const { return int(b) < int(rhs.b); }
|
||||
};
|
||||
|
||||
|
||||
// heterogeneous
|
||||
void test01()
|
||||
{
|
||||
bool test = true;
|
||||
|
||||
std::pair<bool, long> p_bl_1(true, 433);
|
||||
std::pair<bool, long> p_bl_2 = std::make_pair(true, 433);
|
||||
VERIFY( p_bl_1 == p_bl_2 );
|
||||
VERIFY( !(p_bl_1 < p_bl_2) );
|
||||
|
||||
std::pair<const char*, float> p_sf_1("total enlightenment", 433.00);
|
||||
std::pair<const char*, float> p_sf_2 = std::make_pair("total enlightenment",
|
||||
433.00);
|
||||
VERIFY( p_sf_1 == p_sf_2 );
|
||||
VERIFY( !(p_sf_1 < p_sf_2) );
|
||||
|
||||
std::pair<const char*, gnu_obj> p_sg_1("enlightenment", gnu_obj(5));
|
||||
std::pair<const char*, gnu_obj> p_sg_2 = std::make_pair("enlightenment",
|
||||
gnu_obj(5));
|
||||
VERIFY( p_sg_1 == p_sg_2 );
|
||||
VERIFY( !(p_sg_1 < p_sg_2) );
|
||||
|
||||
std::pair<gnu_t<long>, gnu_obj> p_st_1(gnu_t<long>(false), gnu_obj(5));
|
||||
std::pair<gnu_t<long>, gnu_obj> p_st_2 = std::make_pair(gnu_t<long>(false),
|
||||
gnu_obj(5));
|
||||
VERIFY( p_st_1 == p_st_2 );
|
||||
VERIFY( !(p_st_1 < p_st_2) );
|
||||
}
|
||||
|
||||
// homogeneous
|
||||
void test02()
|
||||
{
|
||||
bool test = true;
|
||||
|
||||
std::pair<bool, bool> p_bb_1(true, false);
|
||||
std::pair<bool, bool> p_bb_2 = std::make_pair(true, false);
|
||||
VERIFY( p_bb_1 == p_bb_2 );
|
||||
VERIFY( !(p_bb_1 < p_bb_2) );
|
||||
}
|
||||
|
||||
|
||||
// const
|
||||
void test03()
|
||||
{
|
||||
bool test = true;
|
||||
|
||||
const std::pair<bool, long> p_bl_1(true, 433);
|
||||
const std::pair<bool, long> p_bl_2 = std::make_pair(true, 433);
|
||||
VERIFY( p_bl_1 == p_bl_2 );
|
||||
VERIFY( !(p_bl_1 < p_bl_2) );
|
||||
|
||||
const std::pair<const char*, float> p_sf_1("total enlightenment", 433.00);
|
||||
const std::pair<const char*, float> p_sf_2 =
|
||||
std::make_pair("total enlightenment", 433.00);
|
||||
VERIFY( p_sf_1 == p_sf_2 );
|
||||
VERIFY( !(p_sf_1 < p_sf_2) );
|
||||
|
||||
const std::pair<const char*, gnu_obj> p_sg_1("enlightenment", gnu_obj(5));
|
||||
const std::pair<const char*, gnu_obj> p_sg_2 =
|
||||
std::make_pair("enlightenment", gnu_obj(5));
|
||||
VERIFY( p_sg_1 == p_sg_2 );
|
||||
VERIFY( !(p_sg_1 < p_sg_2) );
|
||||
|
||||
const std::pair<gnu_t<long>, gnu_obj> p_st_1(gnu_t<long>(false), gnu_obj(5));
|
||||
const std::pair<gnu_t<long>, gnu_obj> p_st_2 =
|
||||
std::make_pair(gnu_t<long>(false), gnu_obj(5));
|
||||
VERIFY( p_st_1 == p_st_2 );
|
||||
VERIFY( !(p_st_1 < p_st_2) );
|
||||
}
|
||||
|
||||
// const&
|
||||
void test04()
|
||||
{
|
||||
bool test = true;
|
||||
const gnu_obj& obj1 = gnu_obj(5);
|
||||
const std::pair<const char*, gnu_obj> p_sg_1("enlightenment", obj1);
|
||||
const std::pair<const char*, gnu_obj> p_sg_2 =
|
||||
std::make_pair("enlightenment", obj1);
|
||||
VERIFY( p_sg_1 == p_sg_2 );
|
||||
VERIFY( !(p_sg_1 < p_sg_2) );
|
||||
|
||||
const gnu_t<long>& tmpl1 = gnu_t<long>(false);
|
||||
const std::pair<gnu_t<long>, gnu_obj> p_st_1(tmpl1, obj1);
|
||||
const std::pair<gnu_t<long>, gnu_obj> p_st_2 = std::make_pair(tmpl1, obj1);
|
||||
VERIFY( p_st_1 == p_st_2 );
|
||||
VERIFY( !(p_st_1 < p_st_2) );
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
test02();
|
||||
test03();
|
||||
test04();
|
||||
}
|
|
@ -0,0 +1,47 @@
|
|||
// 2001-06-18 Benjamin Kosnik <bkoz@redhat.com>
|
||||
|
||||
// Copyright (C) 2001 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 2, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING. If not, write to the Free
|
||||
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
|
||||
// USA.
|
||||
|
||||
// 20.4.2 raw storage iterator
|
||||
|
||||
#include <memory>
|
||||
|
||||
void test01()
|
||||
{
|
||||
using namespace std;
|
||||
|
||||
// Check for required base class.
|
||||
long l;
|
||||
raw_storage_iterator<long*, long> rs_it(&l);
|
||||
iterator<output_iterator_tag, void, void, void, void>* base = &rs_it;
|
||||
|
||||
// Check for required typedefs
|
||||
typedef raw_storage_iterator<long*, long>::value_type value_type;
|
||||
typedef raw_storage_iterator<long*, long>::difference_type difference_type;
|
||||
typedef raw_storage_iterator<long*, long>::pointer pointer;
|
||||
typedef raw_storage_iterator<long*, long>::reference reference;
|
||||
typedef raw_storage_iterator<long*, long>::iterator_category iteratory_category;
|
||||
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue