2018-10-14 03:59:22 +03:00
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#include "ZeroDevice.h"
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#include "Limits.h"
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#include <AK/StdLib.h>
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2018-10-16 15:33:16 +03:00
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#include <AK/kstdio.h>
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2018-10-14 03:59:22 +03:00
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ZeroDevice::ZeroDevice()
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2018-10-30 15:59:29 +03:00
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: CharacterDevice(1, 5)
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2018-10-14 03:59:22 +03:00
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{
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}
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ZeroDevice::~ZeroDevice()
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{
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}
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2018-10-25 14:07:59 +03:00
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bool ZeroDevice::hasDataAvailableForRead() const
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{
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return true;
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}
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2018-10-14 23:57:41 +03:00
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Unix::ssize_t ZeroDevice::read(byte* buffer, Unix::size_t bufferSize)
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2018-10-14 03:59:22 +03:00
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{
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2018-10-14 23:57:41 +03:00
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Unix::size_t count = min(GoodBufferSize, bufferSize);
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2018-10-14 03:59:22 +03:00
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memset(buffer, 0, count);
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return count;
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}
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2018-10-14 23:57:41 +03:00
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Unix::ssize_t ZeroDevice::write(const byte*, Unix::size_t bufferSize)
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2018-10-14 03:59:22 +03:00
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{
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return min(GoodBufferSize, bufferSize);
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}
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