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/*
* libfud
* Copyright 2024 Dominick Allen
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fud_allocator.hpp"
namespace fud {
Result<std::byte*, FudStatus> FudAllocator::allocate(size_t bytes, size_t alignment)
{
using RetType = Result<std::byte*, FudStatus>;
static_cast<void>(alignment);
auto* pointer = fudAlloc(bytes);
if (pointer == nullptr) {
return RetType::error(FudStatus::AllocFailure);
}
return RetType::okay(pointer);
}
void FudAllocator::deallocate(std::byte* pointer, size_t bytes)
{
if (pointer == nullptr || bytes == 0) {
return;
}
fudFree(pointer);
}
bool FudAllocator::isEqual(const Allocator& rhs) const
{
return &rhs == static_cast<const Allocator*>(this);
}
FudAllocator globalFudAllocator{};
Result<std::byte*, FudStatus> NullAllocator::allocate(size_t bytes, size_t alignment)
{
static_cast<void>(bytes);
static_cast<void>(alignment);
return FudError{FudStatus::AllocFailure};
}
void NullAllocator::deallocate(std::byte* pointer, size_t bytes)
{
static_cast<void>(pointer);
static_cast<void>(bytes);
}
bool NullAllocator::isEqual(const Allocator& rhs) const
{
return &rhs == static_cast<const Allocator*>(this);
}
NullAllocator globalNullAllocator{};
} // namespace fud
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