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the serial terminal key is invalid or stuck #215

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shiroming opened this issue Nov 4, 2022 · 0 comments

shiroming commented Nov 4, 2022

When the tty is /dev/ttyS0, readline gets the term width as 0 (stty size output is 0 0), resulting in invalid tab and infinite loop of arrow keys

w return is 0

readline/utils_unix.go

Lines 39 to 45 in 7f93d88

    
           func GetScreenWidth() int { 
        
           	w := getWidth(syscall.Stdout) 
        
           	if w < 0 { 
        
           		w = getWidth(syscall.Stderr) 
        
           	} 
        
           	return w 
        
           }

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