[BusyBox] more over telnet unpredictable behaviour

[Steve Dover]

Vladimir N. Oleynik wrote:
> Glenn,
> 
>>> With a combo of Busybox-1.00-pre5 and uClibc-0.9.25,
>>> if I telnet in (even via 127.0.0.1), and then run
>>> /bin/more on a file I'm seeing unpredictable behaviour.
>>
>>
>>
>> Ive been seeing strange behaviour with ash on a serial terminal,
>> ive seen the first character of the command disapear when i use
>> tab completion, sometimes after running a command my directory has
>> changed for no apparent reason.
>>
>> Im still trying to diagnose what the problem is, i cant reproduce it
>> consistently.
>>
>> Could it be your problem is related to ash, or more specifically command
>> line editing ?
> 
> 
> May be this problem from last changes to telnetd?
> "cmdedit" and "more" applets use '\r' for special cursor moving without 
> use '\n' also.
> 

That sounds possible.  I must add the problem occurs under pre3 also.
It also occurs with uClibc-0.9.23 with pre3.  Still broke with 0.9.26 
also.  I'll have to try some older stuff, but the problem may
have been there for quite some time.