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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.
This commit is contained in:
Andreas Kling 2019-02-25 21:19:57 +01:00
parent 5af4e622b9
commit beda478821
40 changed files with 144 additions and 136 deletions

View file

@ -13,15 +13,15 @@ public:
unsigned index() const { return m_index; }
String pts_name() const;
ssize_t on_slave_write(const byte*, size_t);
ssize_t on_slave_write(const byte*, ssize_t);
bool can_write_from_slave() const;
void notify_slave_closed(Badge<SlavePTY>);
bool is_closed() const { return m_closed; }
private:
// ^CharacterDevice
virtual ssize_t read(Process&, byte*, size_t) override;
virtual ssize_t write(Process&, const byte*, size_t) override;
virtual ssize_t read(Process&, byte*, ssize_t) override;
virtual ssize_t write(Process&, const byte*, ssize_t) override;
virtual bool can_read(Process&) const override;
virtual bool can_write(Process&) const override;
virtual void close() override;