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Kernel: Make File::write() and File::read() return KResultOr<size_t>
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.
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58 changed files with 223 additions and 229 deletions
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@ -89,7 +89,7 @@ bool SlavePTY::can_read(const FileDescription& description, size_t offset) const
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return TTY::can_read(description, offset);
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}
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ssize_t SlavePTY::read(FileDescription& description, size_t offset, u8* buffer, ssize_t size)
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KResultOr<size_t> SlavePTY::read(FileDescription& description, size_t offset, u8* buffer, size_t size)
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{
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if (m_master->is_closed())
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return 0;
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