Lennart Poettering
3390be38d1
When we are talking to a serial terminal quite commonly the dimensions are not set properly, because the serial protocol has not handshake or similar to transfer this information. However, we can derive the dimensions via ANSI sequences too, which should get us the right information, since ANSI sequences are interpreted by the final terminal, rather than an intermediary local tty driver (which is where TIOCGWINSZ is interpreted). This adds a helper call that gets the dimensions this way.
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