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Re: libedit trouble



On Thu, Feb 19, 2009 at 06:56:27PM +0000, Patrick Welche wrote:
> Using "bc" as the libedit using test programme,
> 
> Core was generated by `bc'.
> Program terminated with signal 11, Segmentation fault.
> #0  0xbb934070 in ?? ()
> (gdb) bt
> #0  0xbb934070 in ?? ()
> #1  0xbbbd58e7 in prompt_print (el=0xbb90cc00, op=0)
>     at /usr/src/lib/libedit/prompt.c:95
> #2  0xbbbd6aed in re_refresh (el=0xbb90cc00)
>     at /usr/src/lib/libedit/refresh.c:220
> #3  0xbbbd609b in read_prepare (el=0xbb90cc00)
>     at /usr/src/lib/libedit/read.c:394
> #4  0xbbbd624a in el_gets (el=0xbb90cc00, nread=0x80584a0)
>     at /usr/src/lib/libedit/read.c:466
> #5  0x0804fd59 in yy_get_next_buffer ()
> #6  0x08050207 in yylex ()
> #7  0x08049512 in yyparse ()
> #8  0x0804cbcb in main ()
> 
> frame 1 el contains
> 
> el_prompt = {
>     p_func = 0xbb934070, p_pos = {h = 0, v = 0}, p_arg = 0x804f570}, 
>   el_rprompt = {p_func = 0xbbbd58a0 <prompt_default_r>, p_pos = {h = 0, 
>       v = 0}, p_arg = 0x0}
> 
> Not obvious what's up...

If I make bc call el_set (edit, EL_PROMPT, null_prompt, NULL) like I
think it should now, it doesn't dump core anymore, but it displays the
'?' prompt...

-- 
Quentin Garnier - cube%cubidou.net@localhost - cube%NetBSD.org@localhost
"See the look on my face from staying too long in one place
[...] every time the morning breaks I know I'm closer to falling"
KT Tunstall, Saving My Face, Drastic Fantastic, 2007.

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