First crack at allocators.

1 files changed, 48 insertions, 0 deletions

diff --git a/source/fud_allocator.cpp b/source/fud_allocator.cpp
new file mode 100644
index 0000000..b5af593
--- /dev/null
+++ b/source/fud_allocator.cpp
@@ -0,0 +1,48 @@
+/*
+ * 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<void*, FudStatus> FudAllocator::allocate(size_t bytes, size_t alignment)
+{
+    using RetType = Result<void*, FudStatus>;
+    static_cast<void>(alignment);
+    auto* pointer = static_cast<std::byte*>(fudAlloc(bytes));
+    if (pointer == nullptr) {
+        return RetType::error(FudStatus::AllocFailure);
+    }
+    return RetType::okay(pointer);
+}
+
+void FudAllocator::deallocate(void* pointer, size_t bytes, size_t alignment)
+{
+    static_cast<void>(bytes);
+    static_cast<void>(alignment);
+    fudFree(pointer);
+}
+
+bool FudAllocator::isEqual(const Allocator& rhs) const
+{
+    /* Is this legit? Or is this a bogus check? */
+    return &rhs == static_cast<const Allocator*>(this);
+}
+
+FudAllocator globalFudAllocator{};
+
+} // namespace fud