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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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@ -36,8 +36,8 @@ class DoubleBuffer {
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public:
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explicit DoubleBuffer(size_t capacity = 65536);
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ssize_t write(const u8*, ssize_t);
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ssize_t read(u8*, ssize_t);
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size_t write(const u8*, size_t);
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size_t read(u8*, size_t);
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bool is_empty() const { return m_empty; }
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