ladybird/VirtualFileSystem/NullDevice.cpp
Andreas Kling 68739dc43e Start working on virtual consoles/TTYs.
This is a mess right now, but I'd rather commit as I go.
2018-10-30 13:59:29 +01:00

30 lines
441 B
C++

#include "NullDevice.h"
#include "Limits.h"
#include <AK/StdLib.h>
#include <AK/kstdio.h>
NullDevice::NullDevice()
: CharacterDevice(1, 3)
{
}
NullDevice::~NullDevice()
{
}
bool NullDevice::hasDataAvailableForRead() const
{
return true;
}
Unix::ssize_t NullDevice::read(byte*, Unix::size_t)
{
return 0;
}
Unix::ssize_t NullDevice::write(const byte*, Unix::size_t bufferSize)
{
return min(GoodBufferSize, bufferSize);
}