ladybird/Kernel/FullDevice.cpp
2019-01-23 05:14:00 +01:00

35 lines
591 B
C++

#include "FullDevice.h"
#include "Limits.h"
#include <LibC/errno_numbers.h>
#include <AK/StdLibExtras.h>
#include <AK/kstdio.h>
FullDevice::FullDevice()
: CharacterDevice(1, 7)
{
}
FullDevice::~FullDevice()
{
}
bool FullDevice::can_read(Process&) const
{
return true;
}
ssize_t FullDevice::read(Process&, byte* buffer, size_t bufferSize)
{
size_t count = min(GoodBufferSize, bufferSize);
memset(buffer, 0, count);
return count;
}
ssize_t FullDevice::write(Process&, const byte*, size_t bufferSize)
{
if (bufferSize == 0)
return 0;
return -ENOSPC;
}