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-rw-r--r--libstdc++/stl/defalloc.h87
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+/*
+ *
+ * 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.
+ *
+ */
+//
+// Inclusion of this file is DEPRECATED.
+// This is the original HP default allocator.
+// DO NOT USE THIS FILE unless you have an old container implementation
+// that requires an allocator with the HP-style interface.
+// SGI STL uses a different allocator interface.
+// SGI-style allocators are not parametrized with respect to
+// the object type; they traffic in void * pointers.
+// This file is not included by any other SGI STL header.
+//
+
+#ifndef DEFALLOC_H
+#define DEFALLOC_H
+
+#include <new.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <iostream.h>
+#include <algobase.h>
+
+
+template <class T>
+inline T* allocate(ptrdiff_t size, T*) {
+ set_new_handler(0);
+ T* tmp = (T*)(::operator new((size_t)(size * sizeof(T))));
+ if (tmp == 0) {
+ cerr << "out of memory" << endl;
+ exit(1);
+ }
+ return tmp;
+}
+
+
+template <class T>
+inline void deallocate(T* buffer) {
+ ::operator delete(buffer);
+}
+
+template <class T>
+class allocator {
+public:
+ typedef T value_type;
+ typedef T* pointer;
+ typedef const T* const_pointer;
+ typedef T& reference;
+ typedef const T& const_reference;
+ typedef size_t size_type;
+ typedef ptrdiff_t 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(UINT_MAX/sizeof(T)));
+ }
+};
+
+class allocator<void> {
+public:
+ typedef void* pointer;
+};
+
+
+
+#endif