ladybird/Kernel/Devices/FullDevice.h
Idan Horowitz 664ca58746 Kernel: Use u64 instead of size_t for File::can_write offset
This ensures offsets will not be truncated on large files on i686.
2022-01-25 22:41:17 +02:00

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C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/Devices/CharacterDevice.h>
namespace Kernel {
class FullDevice final : public CharacterDevice {
friend class DeviceManagement;
public:
static NonnullRefPtr<FullDevice> must_create();
virtual ~FullDevice() override;
private:
FullDevice();
// ^CharacterDevice
virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
virtual bool can_read(const OpenFileDescription&, u64) const override;
virtual bool can_write(const OpenFileDescription&, u64) const override { return true; }
virtual StringView class_name() const override { return "FullDevice"sv; }
};
}