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Kernel: Make syscalls that take a buffer size use ssize_t instead of size_t.

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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
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4
Kernel/BXVGADevice.h
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@ -27,8 +27,8 @@ private:
virtual const char* class_name() const override { return "BXVGA"; }
virtual bool can_read(Process&) const override;
virtual bool can_write(Process&) const override;
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;
void set_register(word index, word value);
dword find_framebuffer_address();