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Add basic character device support. Start with null and zero.

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This commit is contained in:
Andreas Kling 2018-10-14 02:59:22 +02:00
parent fa3b11ac64
commit 93556d6743
Notes: sideshowbarker 2024-07-19 18:48:27 +09:00
14 changed files with 157 additions and 2 deletions
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25
VirtualFileSystem/NullDevice.cpp Normal file
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@ -0,0 +1,25 @@
#include "NullDevice.h"
#include "Limits.h"
#include <AK/StdLib.h>
#include <cstring>
#include <cstdio>
NullDevice::NullDevice()
{
}
NullDevice::~NullDevice()
{
}
ssize_t NullDevice::read(byte*, size_t)
{
printf("read from null\n");
return 0;
}
ssize_t NullDevice::write(const byte*, size_t bufferSize)
{
return min(GoodBufferSize, bufferSize);
}