1 files changed, 58 insertions, 0 deletions

diff --git a/src/core/file_sys/fssystem/fssystem_memory_resource_buffer_hold_storage.h b/src/core/file_sys/fssystem/fssystem_memory_resource_buffer_hold_storage.h
new file mode 100644
index 000000000..7637272d5
--- /dev/null
+++ b/src/core/file_sys/fssystem/fssystem_memory_resource_buffer_hold_storage.h
@@ -0,0 +1,58 @@
+#pragma once
+
+#include "core/file_sys/fssystem/fs_i_storage.h"
+
+namespace FileSys {
+
+class MemoryResourceBufferHoldStorage : public IStorage {
+    YUZU_NON_COPYABLE(MemoryResourceBufferHoldStorage);
+    YUZU_NON_MOVEABLE(MemoryResourceBufferHoldStorage);
+
+private:
+    VirtualFile m_storage;
+    void* m_buffer;
+    size_t m_buffer_size;
+
+public:
+    MemoryResourceBufferHoldStorage(VirtualFile storage, size_t buffer_size)
+        : m_storage(std::move(storage)), m_buffer(::operator new(buffer_size)),
+          m_buffer_size(buffer_size) {}
+
+    virtual ~MemoryResourceBufferHoldStorage() {
+        // If we have a buffer, deallocate it.
+        if (m_buffer != nullptr) {
+            ::operator delete(m_buffer);
+        }
+    }
+
+    bool IsValid() const {
+        return m_buffer != nullptr;
+    }
+    void* GetBuffer() const {
+        return m_buffer;
+    }
+
+public:
+    virtual size_t Read(u8* buffer, size_t size, size_t offset) const override {
+        // Check pre-conditions.
+        ASSERT(m_storage != nullptr);
+
+        return m_storage->Read(buffer, size, offset);
+    }
+
+    virtual size_t GetSize() const override {
+        // Check pre-conditions.
+        ASSERT(m_storage != nullptr);
+
+        return m_storage->GetSize();
+    }
+
+    virtual size_t Write(const u8* buffer, size_t size, size_t offset) override {
+        // Check pre-conditions.
+        ASSERT(m_storage != nullptr);
+
+        return m_storage->Write(buffer, size, offset);
+    }
+};
+
+} // namespace FileSys