DefaultAllocator.h

// WARNING: Changes to this file must be contributed back to Sawyer or else they will
//          be clobbered by the next update from Sawyer.  The Sawyer repository is at
//          https://github.com/matzke1/sawyer.
 
 
 
 
#ifndef Sawyer_DefaultAllocator_H
#define Sawyer_DefaultAllocator_H
 
#include <cstddef>
#include <Sawyer/Sawyer.h>
 
namespace Sawyer {
 
class DefaultAllocator {
public:
    void *allocate(size_t size) {                       // hot
        return ::operator new(size);
    }
 
    void deallocate(void *addr, size_t size) {          // hot
        SAWYER_ARGUSED(size);
        ::operator delete(addr);
    }
};
 
template<class Allocator>
class ProxyAllocator {
    Allocator &allocator_;
public:
    ProxyAllocator(Allocator &allocator): allocator_(allocator) {} // implicit
 
    void *allocate(size_t size) { return allocator_.allocate(size); }
 
    void deallocate(void *addr, size_t size) { allocator_.deallocate(addr, size); }
};
 
} // namespace
 
#endif