carb/Memory.h

File members: carb/Memory.h

// Copyright (c) 2021-2023, NVIDIA CORPORATION. All rights reserved.
//
// NVIDIA CORPORATION and its licensors retain all intellectual property
// and proprietary rights in and to this software, related documentation
// and any modifications thereto. Any use, reproduction, disclosure or
// distribution of this software and related documentation without an express
// license agreement from NVIDIA CORPORATION is strictly prohibited.
//

#pragma once

#include "Defines.h"
#include "Types.h"
#include "detail/DeferredLoad.h"

#if CARB_REQUIRE_LINKED
CARB_DYNAMICLINK void* carbReallocate(void* p, size_t size, size_t align);
#else
CARB_DYNAMICLINK void* carbReallocate(void* p, size_t size, size_t align) CARB_ATTRIBUTE(weak);
#endif

namespace carb
{
namespace detail
{

CARB_DETAIL_DEFINE_DEFERRED_LOAD(getCarbReallocate, carbReallocate, (void* (*)(void*, size_t, size_t)));

} // namespace detail

inline void* allocate(size_t size, size_t align = 0) noexcept
{
    if (auto impl = detail::getCarbReallocate())
        return impl(nullptr, size, align);
    else
        return nullptr;
}

inline void deallocate(void* p) noexcept
{
    if (p)
    {
        if (auto impl = detail::getCarbReallocate())
            impl(p, 0, 0);
    }
}

inline void* reallocate(void* p, size_t size, size_t align = 0) noexcept
{
    if (auto impl = detail::getCarbReallocate())
        return impl(p, size, align);
    else
        return p;
}
} // namespace carb