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Kernel: Add explicit offset parameter to File::read etc

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This commit is contained in:
Conrad Pankoff 2020-04-10 19:44:42 +10:00 • committed by Andreas Kling
parent 68c7ca7d3b
commit a3edeb5868
45 changed files with 199 additions and 183 deletions
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8
Kernel/Devices/SerialDevice.cpp
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@ -40,12 +40,12 @@ SerialDevice::~SerialDevice()
{
}
bool SerialDevice::can_read(const FileDescription&) const
bool SerialDevice::can_read(const FileDescription&, size_t) const
{
return (get_line_status() & DataReady) != 0;
}
ssize_t SerialDevice::read(FileDescription&, u8* buffer, ssize_t size)
ssize_t SerialDevice::read(FileDescription&, size_t, u8* buffer, ssize_t size)
{
if (!size)
return 0;
@ -58,12 +58,12 @@ ssize_t SerialDevice::read(FileDescription&, u8* buffer, ssize_t size)
return 1;
}
bool SerialDevice::can_write(const FileDescription&) const
bool SerialDevice::can_write(const FileDescription&, size_t) const
{
return (get_line_status() & EmptyTransmitterHoldingRegister) != 0;
}
ssize_t SerialDevice::write(FileDescription&, const u8* buffer, ssize_t size)
ssize_t SerialDevice::write(FileDescription&, size_t, const u8* buffer, ssize_t size)
{
if (!size)
return 0;