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Diffstat (limited to 'libg++/libstdc++/stl/lngalloc.h')
-rw-r--r-- | libg++/libstdc++/stl/lngalloc.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/libg++/libstdc++/stl/lngalloc.h b/libg++/libstdc++/stl/lngalloc.h new file mode 100644 index 0000000..6685ea5 --- /dev/null +++ b/libg++/libstdc++/stl/lngalloc.h @@ -0,0 +1,54 @@ +/* + * + * Copyright (c) 1994 + * Hewlett-Packard Company + * + * Permission to use, copy, modify, distribute and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and + * that both that copyright notice and this permission notice appear + * in supporting documentation. Hewlett-Packard Company makes no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + * + */ + +#ifndef LNGALLOC_H +#define LNGALLOC_H + +#include <limits.h> +#include <algobase.h> +#include <defalloc.h> + +template <class T> +class long_allocator { +public: + typedef T value_type; + typedef T* pointer; + typedef const T* const_pointer; + typedef T& reference; + typedef const T& const_reference; + typedef unsigned long size_type; + typedef long difference_type; + pointer allocate(size_type n) { + return ::allocate((difference_type)n, (pointer)0); + } + void deallocate(pointer p) { ::deallocate(p); } + pointer address(reference x) { return (pointer)&x; } + const_pointer const_address(const_reference x) { + return (const_pointer)&x; + } + size_type init_page_size() { + return max(size_type(1), size_type(4096/sizeof(T))); + } + size_type max_size() const { + return max(size_type(1), size_type(ULONG_MAX/sizeof(T))); + } +}; + +class long_allocator<void> { +public: + typedef void* pointer; +}; + +#endif |