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Kernel: Make syscalls that take a buffer size use ssize_t instead of size_t.
Dealing with the unsigned overflow propagation here just seems unreasonably error prone. Let's limit ourselves to 2GB buffer sizes instead.
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40 changed files with 144 additions and 136 deletions
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@ -10,8 +10,8 @@ public:
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private:
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// ^CharacterDevice
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virtual ssize_t read(Process&, byte* buffer, size_t bufferSize) override;
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virtual ssize_t write(Process&, const byte* buffer, size_t bufferSize) override;
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virtual ssize_t read(Process&, byte*, ssize_t) override;
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virtual ssize_t write(Process&, const byte*, ssize_t) override;
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virtual bool can_read(Process&) const override;
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virtual bool can_write(Process&) const override { return true; }
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virtual const char* class_name() const override { return "FullDevice"; }
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