ladybird/Kernel/Devices/NullDevice.h
Andreas Kling 27f699ef0c AK: Rename the common integer typedefs to make it obvious what they are.
These types can be picked up by including <AK/Types.h>:

* u8, u16, u32, u64 (unsigned)
* i8, i16, i32, i64 (signed)
2019-07-03 21:20:13 +02:00

21 lines
599 B
C++

#pragma once
#include "CharacterDevice.h"
class NullDevice final : public CharacterDevice {
AK_MAKE_ETERNAL
public:
NullDevice();
virtual ~NullDevice() override;
static NullDevice& the();
private:
// ^CharacterDevice
virtual ssize_t read(FileDescription&, u8*, ssize_t) override;
virtual ssize_t write(FileDescription&, const u8*, ssize_t) override;
virtual bool can_write(FileDescription&) const override { return true; }
virtual bool can_read(FileDescription&) const override;
virtual const char* class_name() const override { return "NullDevice"; }
};