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Add sys$ttyname_r and ttyname_r() + ttyname().

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And print a greeting when sh starts up so we know which TTY we're on.
This commit is contained in:
Andreas Kling 2018-10-30 22:03:02 +01:00
parent 7a85384e47
commit 00c21d1590
Notes: sideshowbarker 2024-07-19 18:36:21 +09:00
12 changed files with 78 additions and 3 deletions
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16
VirtualFileSystem/FileHandle.cpp
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@ -3,6 +3,7 @@
#include "CharacterDevice.h"
#include "sys-errno.h"
#include "UnixTypes.h"
#include "TTY.h"
#include <AK/BufferStream.h>
FileHandle::FileHandle(RetainPtr<VirtualFileSystem::Node>&& vnode)
@ -109,6 +110,7 @@ Unix::ssize_t FileHandle::write(const byte* data, Unix::size_t size)
}
// FIXME: Implement non-device writes.
ASSERT_NOT_REACHED();
return -1;
}
bool FileHandle::hasDataAvailableForRead()
@ -160,3 +162,17 @@ ssize_t FileHandle::get_dir_entries(byte* buffer, Unix::size_t size)
memcpy(buffer, tempBuffer.pointer(), stream.offset());
return stream.offset();
}
bool FileHandle::isTTY() const
{
if (auto* device = m_vnode->characterDevice())
return device->isTTY();
return false;
}
const TTY* FileHandle::tty() const
{
if (auto* device = m_vnode->characterDevice())
return static_cast<const TTY*>(device);
return nullptr;
}