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TTY: Implement Canonical mode and basic echoing.

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The TTY driver now respects the ICANON flag, enabling basic line
editing like VKILL, VERASE, VEOF and VWERASE. Additionally,
ICANON is now set by default.

Basic echoing has can now be enabled via the ECHO flag, though
more complicated echoing like ECHOCTL or ECHONL has not been
implemented.
This commit is contained in:
Drew Stratford 2019-10-20 19:12:00 +13:00 • committed by Andreas Kling
parent 67041f3a8c
commit 4c35c8d7fd
5 changed files with 148 additions and 4 deletions
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1
Kernel/TTY/VirtualConsole.h
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@ -33,6 +33,7 @@ private:
// ^TTY
virtual ssize_t on_tty_write(const u8*, ssize_t) override;
virtual StringView tty_name() const override;
virtual void echo(u8) override { return; }
// ^CharacterDevice
virtual const char* class_name() const override { return "VirtualConsole"; }