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Kernel: Make File::write() and File::read() return KResultOr<size_t>

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Instead of returning a ssize_t where negative values mean error,
we now return KResultOr<size_t> and use the error state to report
errors exclusively.
This commit is contained in:
Andreas Kling 2020-08-04 18:02:23 +02:00
parent 58feebeed2
commit 7a3ab6c517
58 changed files with 223 additions and 229 deletions
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2
Kernel/TTY/SlavePTY.cpp
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@ -89,7 +89,7 @@ bool SlavePTY::can_read(const FileDescription& description, size_t offset) const
return TTY::can_read(description, offset);
}
ssize_t SlavePTY::read(FileDescription& description, size_t offset, u8* buffer, ssize_t size)
KResultOr<size_t> SlavePTY::read(FileDescription& description, size_t offset, u8* buffer, size_t size)
{
if (m_master->is_closed())
return 0;