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Oracle® XML API Reference
10g Release 1 (10.1)
Part No. B10789-01
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MemAllocator Interface

Table 14-2 summarizes the methods of available through the MemAllocator interface.

Table 14-2 Summary of MemAllocator Methods; Ctx Package

Function Summary
alloc
Allocates memory of given size.
dealloc
Deallocate memory pointed to by the argument.
~MemAllocator
Virtual destructor - interface level handle to actual destructors.


alloc

This is a virtual member function that defines a prototype for user defined allocator functions


Syntax
virtual void* alloc(
   ub4 size) = 0;

Parameter Description
size
memory size


dealloc

This is a virtual member function that defines a prototype for user defined deallocator functions. Such deallocators are supposed to deallocate memory allocated by the alloc member functions


Syntax
virtual void dealloc(
   void* ptr) = 0;

Parameter Description
ptr
pointer to previously allocated memory


~MemAllocator

It provides an interface level handle to actual destructors that can be invoked without knowing their names or implementations


Syntax
virtual ~MemAllocator() {}