Re: [Gterm-discuss] "ls" bug

[Jörg S. <joe...@we...>]

I think I traced it down to a off-by-one bug. Seems I messed ejoy's
tab handling up!? Attached is the fixs. If that's enough, commit it,
I offline soon.

Good night (or good morning, whatever)
Joerg

On Thu, 19 Dec 2002 09:59:04 -0800 (PST)
Timothy Miller <th...@ya...> wrote:

> I'm working on debugging the terminal, and what I'm seeing is a bit
> odd.  In the case where things get messed up, I just start the terminal
> and do 'ls'.  I have the terminal producing debug output, where
> non-printing characters are shown as \oct.  This is the debug output:
> 
> len=9,data:[sh-2.05# ]
> len=1,data:[l]
> len=1,data:[s]
> len=2,data:[\015\012]
> len=61,data:[actions.cpp  Makefile\011\011 pseudo_openpty.hpp 
> vt52_states.cpp\015\012]
> len=65,data:[actions.o    Makefile.config\011 pseudo_unix98.cpp  
> vt52_states.o\015\012]
> len=58,data:[CVS\011     Makefile.depend\011 pseudo_unix98.hpp  
> xintfc.cpp\015\012]
> len=56,data:[gterm\011     pseudo_classic.cpp  README\011\011    
> xintfc.doc\015\012]
> len=59,data:[gterm.cpp    pseudo_classic.hpp  setupcvs\011    
> xintfc.hpp\015\012]
> len=52,data:[gterm.doc    pseudo.cpp\011\011 states.cpp\011    
> xintfc.o\015\012]
> len=51,data:[gterm.hpp    pseudo.hpp\011\011 states.o\011    
> xkeys.cpp\015\012]
> len=48,data:[gterm.o      pseudo.o\011\011 utils.cpp\011    
> xkeys.o\015\012]
> len=42,data:[libgterm.a   pseudo_openpty.cpp  utils.o\015\012]
> len=9,data:[sh-2.05# ]
> 
> 
> In the lines that are messed up, there is \011, which is tab.
> 
> Now, the first thing I tried to do in order to debug was to capture
> what was coming out of ls, so I did "script /tmp/q".  But when I did
> that, I got correct output on the screen:
> 
> len=1,data:[l]
> len=1,data:[s]
> len=2,data:[\015\012]
> len=977,data:[\033[00m\033[00mactions.cpp\033[00m 
> \033[00mMakefile\033[00m            \033[00mpseudo_openpty.hpp\033[00m 
> \033[00mvt52_states.cpp\033[00m\015\012\033[00mactions.o\033[00m   
> \033[00mMakefile.config\033[00m     \033[00mpseudo_unix98.cpp\033[00m  
> \033[00mvt52_states.o\033[00m\015\012\033[01;34mCVS\033[00m         
> \033[00mMakefile.depend\033[00m     \033[00mpseudo_unix98.hpp\033[00m  
> \033[00mxintfc.cpp\033[00m\015\012\033[01;32mgterm\033[00m       
> \033[00mpseudo_classic.cpp\033[00m  \033[00mREADME\033[00m             
> \033[00mxintfc.doc\033[00m\015\012\033[00mgterm.cpp\033[00m   
> \033[00mpseudo_classic.hpp\033[00m  \033[00msetupcvs\033[00m           
> \033[00mxintfc.hpp\033[00m\015\012\033[00mgterm.doc\033[00m   
> \033[00mpseudo.cpp\033[00m          \033[00mstates.cpp\033[00m         
> \033[00mxintfc.o\033[00m\015\012\033[00mgterm.hpp\033[00m   
> \033[00mpseudo.hpp\033[00m          \033[00mstates.o\033[00m           
> \033[00mxkeys.cpp\033[00m\015\012\033[00mgterm.o\033[00m     
> \033[00mpseudo.o\033[00m            \033[00mutils.cpp\033[00m          
> \033[00mxkeys.o\033[00m\015\012\033[00mlibgterm.a\033[00m  
> \033[00mpseudo_openpty.cpp\033[00m 
> \033[00mutils.o\033[00m\015\012\033[m\033]0;tim@puck:/software/users/tim/gterm/GTermRoot\007]
> len=23,data:[[root@puck GTermRoot]# ]
> len=1,data:[e]
> len=1,data:[x]
> len=1,data:[i]
> len=1,data:[t]
> len=29,data:[Script done, file is /tmp/q\015\012]
> len=9,data:[sh-2.05# ]
> 
> Additionally, if, in the shell where 'ls' causes incorrect output, I
> were to cat /tmp/q, I get correct output on the screen.
> 
> It must be some problem with the environment, but I can't figure it
> out.
> 
> Also, I notice that in all cases, if I run Lynx, it looks completely
> wrong, although it looks fine in other terminals.  Lines that should
> look like they have CR/LF looks like they're only getting LF, so
> they're  spiralling around the screen.  The code between lines that I
> find is: \012\033[4G
> 
> I will investigate further.
> 
> 
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