serenity/AK/kmalloc.cpp

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#include <cstdio>
#include "SimpleMalloc.h"
#include <new>
#include <cstdlib>
#define USE_SYSTEM_MALLOC
#ifdef USE_SYSTEM_MALLOC
extern "C" {
void* kcalloc(dword nmemb, dword size)
{
return calloc(nmemb, size);
}
void* kmalloc(dword size)
{
return malloc(size);
}
void kfree(void* ptr)
{
free(ptr);
}
void* krealloc(void* ptr, dword size)
{
return realloc(ptr, size);
}
}
#else
extern "C" {
void* kcalloc(dword nmemb, dword size)
{
if (!nmemb || !size)
return nullptr;
return SimpleMalloc::allocateZeroed(nmemb * size);
}
void* kmalloc(dword size)
{
if (!size)
return nullptr;
return SimpleMalloc::allocate(size);
}
void kfree(void* ptr)
{
if (!ptr)
return;
SimpleMalloc::free((byte*)ptr);
}
void* krealloc(void* ptr, dword size)
{
if (!ptr)
return ptr;
return SimpleMalloc::reallocate((byte*)ptr, size);
}
}
void* operator new(std::size_t size)
{
return kmalloc(size);
}
void* operator new[](std::size_t size)
{
return kmalloc(size);
}
void operator delete(void* ptr)
{
return kfree(ptr);
}
void operator delete[](void* ptr)
{
return kfree(ptr);
}
void operator delete(void* ptr, size_t)
{
return kfree(ptr);
}
void operator delete[](void* ptr, size_t)
{
return kfree(ptr);
}
#endif