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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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@ -16,8 +16,8 @@ public:
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// ^CharacterDevice
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virtual RetainPtr<FileDescriptor> open(int& error, int options) override;
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virtual ssize_t read(Process&, byte*, size_t) override { return 0; }
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virtual ssize_t write(Process&, const byte*, size_t) override { return 0; }
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virtual ssize_t read(Process&, byte*, ssize_t) override { return 0; }
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virtual ssize_t write(Process&, const byte*, ssize_t) override { return 0; }
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virtual bool can_read(Process&) const override { return true; }
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virtual bool can_write(Process&) const override { return true; }
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