Re: PATCH: source tree documentation

[Mikael Magnusson <mikachu@xxxxxxxxx>]

On 9/30/05, Peter Stephenson <pws@xxxxxxx> wrote:
> Initial go at enhancing documentation for 4.3.
>
> +The support can be explicitly enabled or disable with --enable-multibyte or
> +--disable-multibyte.  Reports of systems where multibyte support was not
> +enabled by default but --enable-multibyte resulted in a usable shell would
> +be appreciated.  The developers are not aware of any need to use
> +--disable-multibyte and this should be reported as a bug.

Using the prompt truncation things with multibyte crashes for me, or
rather some sort of busyloop occurs. It seems to only happen with
setopt printeightbit lately.


{0:09:54:~www/a}9% cd さくはらちちとれはしりちとのまはしちりれとまはし
{0:09:55:...c\M-^A\M->\M-c\M-^A\M-/\M-c\M-^A\M-^W}9% setopt printeightbit
<in other shell>
% gdb zsh 495
etc
prompttrunc (arg=34, truncchar=60, doprint=1, endchar=0) at prompt.c:1003
1003				if (*p == Inpar)
(gdb) bt
#0  prompttrunc (arg=34, truncchar=60, doprint=1, endchar=0) at prompt.c:1003
#1  0x080c68f2 in putpromptchar (doprint=1, endchar=0) at prompt.c:467
#2  0x080c86fb in promptexpand (
    s=0x8116e58
"%{\033[0m%}%{\033[1;32m%}{%{\033[0;32m%}%*%{\033[0;39m%}:%{\033[0;31m%}%40<...<%{\033[1;31m%}%~%<<%{\033[1;32m%}}%{\033[1;34m%}9%#
%(1j.%{\033[1;33m%}%j jobs
.)%(?.%{\033[0m%}.%{\033[1;31;40m%}%?%{\033[0m%} )", ns=1, rs=0x1
<Address 0x1 out of bounds>,
    Rs=0x1 <Address 0x1 out of bounds>) at prompt.c:183
#3  0xa7bab2f8 in zleread (lp=0x81031c0, rp=0x0, flags=1, context=1)
at zle_main.c:960
#4  0x0808a414 in inputline () at input.c:278
#5  0x0808aa5a in ingetc () at input.c:214
#6  0x08080f87 in ihgetc () at hist.c:240
#7  0x08096436 in gettok () at lex.c:628
#8  0x080980f6 in yylex () at lex.c:344
#9  0x080ba20a in parse_event () at parse.c:451
#10 0x080872aa in loop (toplevel=1, justonce=0) at init.c:128
#11 0x08089fc4 in zsh_main (argc=1, argv=0xafb6f6e4) at init.c:1312
#12 0x08052a6e in main (argc=1, argv=0x1) at main.c:93
(gdb) step
1008				else if (w) {
(gdb)
1003				if (*p == Inpar)
(gdb)
1008				else if (w) {
(gdb)
1003				if (*p == Inpar)

I seem to recall someone saying prompt truncation hasn't been looked
at yet, so sorry if you already know about it.

--
Mikael Magnusson