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template<class _Tp, class _Alloc>
class __simple_alloc {
typedef _Alloc __alloc_type;
public:
typedef typename _Alloc::value_type __alloc_value_type;
typedef _Tp value_type;
static size_t _STLP_CALL __chunk(size_t __n) {
return (sizeof(__alloc_value_type)==sizeof(value_type)) ? __n :
((__n*sizeof(value_type)+sizeof(__alloc_value_type)-1)/sizeof(__alloc_value_type));
}
static _Tp* _STLP_CALL allocate(size_t __n) { return 0 == __n ? 0 : (_Tp*) __alloc_type::allocate(__chunk(__n)); }
static void _STLP_CALL deallocate(_Tp * __p, size_t __n) {
__alloc_type::deallocate((__alloc_value_type*)__p, __chunk(__n)); }
};
// Allocator adaptor to turn an SGI-style allocator (e.g. alloc, malloc_alloc)
// into a standard-conforming allocator. Note that this adaptor does
// *not* assume that all objects of the underlying alloc class are
// identical, nor does it assume that all of the underlying alloc's
// member functions are static member functions. Note, also, that
// __allocator<_Tp, alloc> is essentially the same thing as allocator<_Tp>.
template <class _Tp, class _Alloc>
struct __allocator : public _Alloc {
typedef _Alloc __underlying_alloc;
typedef size_t size_type;
typedef ptrdiff_t difference_type;
typedef _Tp* pointer;
typedef const _Tp* const_pointer;
typedef _Tp& reference;
typedef const _Tp& const_reference;
typedef _Tp value_type;
# if defined (_STLP_MEMBER_TEMPLATE_CLASSES)
template <class _Tp1> struct rebind {
typedef __allocator<_Tp1, _Alloc> other;
};
# endif
__allocator() _STLP_NOTHROW {}
__allocator(const _Alloc& ) _STLP_NOTHROW {}
__allocator(const __allocator<_Tp, _Alloc>& __a) _STLP_NOTHROW
: _Alloc(__a) {}
# if defined (_STLP_MEMBER_TEMPLATES) && defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER)
template <class _Tp1>
__allocator(const __allocator<_Tp1, _Alloc>& __a) _STLP_NOTHROW
: _Alloc(__a) {}
# endif
# ifdef _STLP_TRIVIAL_DESTRUCTOR_BUG
~__allocator() _STLP_NOTHROW {}
# endif
pointer address(reference __x) const { return &__x; }
# if !defined (__WATCOM_CPLUSPLUS__)
const_pointer address(const_reference __x) const { return &__x; }
# endif
// __n is permitted to be 0.
_Tp* allocate(size_type __n, const void* = 0) {
if (__n > max_size())
__THROW_BAD_ALLOC;
return __n != 0
? __STATIC_CAST(_Tp*,__underlying_alloc::allocate(__n * sizeof(_Tp)))
: 0;
}
// __p is not permitted to be a null pointer.
void deallocate(pointer __p, size_type __n)
{ if (__p) __underlying_alloc::deallocate(__p, __n * sizeof(_Tp)); }
size_type max_size() const _STLP_NOTHROW
{ return size_t(-1) / sizeof(_Tp); }
void construct(pointer __p, const_reference __val) { _STLP_STD::_Copy_Construct(__p, __val); }
void destroy(pointer __p) { _STLP_STD::_Destroy(__p); }
const __underlying_alloc& __get_underlying_alloc() const { return *this; }
};
#ifdef _STLP_CLASS_PARTIAL_SPECIALIZATION
template <class _Alloc>
class __allocator<void, _Alloc> {
typedef size_t size_type;
typedef ptrdiff_t difference_type;
typedef void* pointer;
typedef const void* const_pointer;
typedef void value_type;
#ifdef _STLP_MEMBER_TEMPLATE_CLASSES
template <class _Tp1> struct rebind {
typedef __allocator<_Tp1, _Alloc> other;
};
#endif
};
#endif
template <class _Tp, class _Alloc>
inline bool _STLP_CALL operator==(const __allocator<_Tp, _Alloc>& __a1,
const __allocator<_Tp, _Alloc>& __a2)
{
return __a1.__get_underlying_alloc() == __a2.__get_underlying_alloc();
}
#ifdef _STLP_USE_SEPARATE_RELOPS_NAMESPACE
template <class _Tp, class _Alloc>
inline bool _STLP_CALL operator!=(const __allocator<_Tp, _Alloc>& __a1,
const __allocator<_Tp, _Alloc>& __a2)
{
return __a1.__get_underlying_alloc() != __a2.__get_underlying_alloc();
}
#endif /* _STLP_FUNCTION_TMPL_PARTIAL_ORDER */
// Comparison operators for all of the predifined SGI-style allocators.
// This ensures that __allocator<malloc_alloc> (for example) will
// work correctly.
#ifndef _STLP_NON_TYPE_TMPL_PARAM_BUG
inline bool _STLP_CALL operator==(const __malloc_alloc&, const __malloc_alloc&)
{ return true; }
# ifdef _STLP_FUNCTION_TMPL_PARTIAL_ORDER
inline bool _STLP_CALL operator!=(const __malloc_alloc&, const __malloc_alloc&)
{ return false; }
# endif
inline bool _STLP_CALL operator==(const __new_alloc&, const __new_alloc&) { return true; }
# ifdef _STLP_USE_SEPARATE_RELOPS_NAMESPACE
inline bool _STLP_CALL operator!=(const __new_alloc&, const __new_alloc&) { return false; }
# endif
# if !defined (_STLP_USE_NO_IOSTREAMS)
inline bool _STLP_CALL operator==(const __node_alloc&,
const __node_alloc&)
{ return true; }
# if defined( _STLP_FUNCTION_TMPL_PARTIAL_ORDER )
inline bool _STLP_CALL operator!=(const __node_alloc&,
const __node_alloc&)
{ return false; }
# endif
# endif
#endif /* _STLP_NON_TYPE_TMPL_PARAM_BUG */
template <class _Alloc>
inline bool _STLP_CALL operator==(const __debug_alloc<_Alloc>&, const __debug_alloc<_Alloc>&) { return true; }
# ifdef _STLP_USE_SEPARATE_RELOPS_NAMESPACE
template <class _Alloc>
inline bool _STLP_CALL operator!=(const __debug_alloc<_Alloc>&, const __debug_alloc<_Alloc>&) { return false; }
# endif
#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
// Versions for the predefined SGI-style allocators.
template <class _Tp>
struct _Alloc_traits<_Tp, __malloc_alloc> {
typedef __allocator<_Tp, __malloc_alloc> allocator_type;
};
# if !defined (_STLP_USE_NO_IOSTREAMS)
template <class _Tp>
struct _Alloc_traits<_Tp, __node_alloc> {
typedef __allocator<_Tp, __node_alloc> allocator_type;
};
# endif
template <class _Tp, class _Alloc>
struct _Alloc_traits<_Tp, __debug_alloc<_Alloc> > {
typedef __allocator<_Tp, __debug_alloc<_Alloc> > allocator_type;
};
// Versions for the __allocator adaptor used with the predefined
// SGI-style allocators.
template <class _Tp, class _Tp1, class _Alloc>
struct _Alloc_traits<_Tp, __allocator<_Tp1, _Alloc > > {
typedef __allocator<_Tp, _Alloc > allocator_type;
};
#endif
#if defined (_STLP_DONT_SUPPORT_REBIND_MEMBER_TEMPLATE)
// Versions for the predefined SGI-style allocators.
# if defined (_STLP_NON_TYPE_TMPL_PARAM_BUG)
typedef __malloc_alloc __malloc_alloc_dfl;
template <class _Tp>
inline __allocator<_Tp, __malloc_alloc_dfl >& _STLP_CALL
__stl_alloc_rebind(__malloc_alloc_dfl& __a, const _Tp*) {
return (__allocator<_Tp, __malloc_alloc_dfl >&)__a;
}
# if !defined (_STLP_USE_NO_IOSTREAMS)
template <class _Tp>
inline __allocator<_Tp, __node_alloc>& _STLP_CALL
__stl_alloc_rebind(__node_alloc& __a, const _Tp*) {
return (__allocator<_Tp, __node_alloc>&)__a;
}
# endif
template <class _Tp>
inline __allocator<_Tp, __malloc_alloc_dfl > _STLP_CALL
__stl_alloc_create(const __malloc_alloc_dfl&, const _Tp*) {
return __allocator<_Tp, __malloc_alloc_dfl > ();
}
# if !defined (_STLP_USE_NO_IOSTREAMS)
template <class _Tp>
inline __allocator<_Tp, __node_alloc> _STLP_CALL
__stl_alloc_create(const __node_alloc&, const _Tp*) {
return __allocator<_Tp, __node_alloc>();
}
# endif
# else
template <class _Tp>
inline __allocator<_Tp, __malloc_alloc>& _STLP_CALL
__stl_alloc_rebind(__malloc_alloc& __a, const _Tp*) {
return (__allocator<_Tp, __malloc_alloc>&)__a;
}
# if !defined (_STLP_USE_NO_IOSTREAMS)
template <class _Tp>
inline __allocator<_Tp, __node_alloc>& _STLP_CALL
__stl_alloc_rebind(__node_alloc& __a, const _Tp*) {
return (__allocator<_Tp, __node_alloc>&)__a;
}
# endif
template <class _Tp>
inline __allocator<_Tp, __malloc_alloc> _STLP_CALL
__stl_alloc_create(const __malloc_alloc&, const _Tp*) {
return __allocator<_Tp, __malloc_alloc>();
}
# if !defined (_STLP_USE_NO_IOSTREAMS)
template <class _Tp>
inline __allocator<_Tp, __node_alloc> _STLP_CALL
__stl_alloc_create(const __node_alloc&, const _Tp*) {
return __allocator<_Tp, __node_alloc>();
}
# endif
# endif
template <class _Tp, class _Alloc>
inline __allocator<_Tp, __debug_alloc<_Alloc> > _STLP_CALL
__stl_alloc_create(const __debug_alloc<_Alloc>&, const _Tp*) {
return __allocator<_Tp, __debug_alloc<_Alloc> >();
}
template <class _Tp, class _Alloc>
inline __allocator<_Tp, __debug_alloc<_Alloc> >& _STLP_CALL
__stl_alloc_rebind(__debug_alloc<_Alloc>& __a, const _Tp*) {
return (__allocator<_Tp, __debug_alloc<_Alloc> >&)__a;
}
template <class _Tp>
inline __allocator<_Tp, __new_alloc > _STLP_CALL
__stl_alloc_create(const __new_alloc&, const _Tp*) {
return __allocator<_Tp, __new_alloc >();
}
template <class _Tp>
inline __allocator<_Tp, __new_alloc >& _STLP_CALL
__stl_alloc_rebind(__new_alloc& __a, const _Tp*) {
return (__allocator<_Tp, __new_alloc >&)__a;
}
template <class _Tp1, class _Alloc, class _Tp2>
inline __allocator<_Tp2, _Alloc>& _STLP_CALL
__stl_alloc_rebind(__allocator<_Tp1, _Alloc>& __a, const _Tp2*) {
return (__allocator<_Tp2, _Alloc>&)__a;
}
template <class _Tp1, class _Alloc, class _Tp2>
inline __allocator<_Tp2, _Alloc> _STLP_CALL
__stl_alloc_create(const __allocator<_Tp1, _Alloc>&, const _Tp2*) {
return __allocator<_Tp2, _Alloc>();
}
#endif
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