1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
|
#pragma once
#include <cstddef>
#include <cstdlib>
#include "globalincs/pstypes.h"
namespace memory
{
struct quiet_alloc_t { quiet_alloc_t(){} };
extern const quiet_alloc_t quiet_alloc;
void out_of_memory();
}
inline void *vm_malloc(size_t size, const memory::quiet_alloc_t &)
{ return std::malloc(size); }
inline void *vm_malloc(size_t size)
{
auto ptr = vm_malloc(size, memory::quiet_alloc);
if (ptr == NULL)
{
memory::out_of_memory();
}
return ptr;
}
inline void vm_free(void *ptr)
{ std::free(ptr); }
inline void *vm_realloc(void *ptr, size_t size, const memory::quiet_alloc_t &)
{ return std::realloc(ptr, size); }
inline void *vm_realloc(void *ptr, size_t size)
{
auto ret_ptr = vm_realloc(ptr, size, memory::quiet_alloc);
if (ret_ptr == NULL)
{
memory::out_of_memory();
}
return ret_ptr;
}
// For use with unique_ptr
template <typename T>
struct VmFreeDeleter
{
void operator()(T* const p) const
{
vm_free(p);
}
};
// Managed unique pointer for data allocated using vm_malloc. Never use with data allocated with new or malloc;
// allocation and deallocation must always be performed using matching operations.
template<typename T>
using SCP_vm_unique_ptr = std::unique_ptr<T, VmFreeDeleter<T>>;
|