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BASH PATCH REPORT
=================
Bash-Release: 3.0
Patch-ID: bash30-006
Bug-Reported-by: alexander@skwar.name
Tomohiro KUBOTA <debian@tmail.plala.or.jp>
Bug-Reference-ID: <20040801124721.C69B8A2547A@server.bei.digitalprojects.com>
<16688.41450.433668.480445@gargle.gargle.HOWL>
Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2004-08/msg00006.html
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=257540
Bug-Description:
Prompts with multibyte characters or invisible characters following a line
wrap are displayed incorrectly.
Patch:
*** ../bash-3.0/lib/readline/display.c Thu May 27 22:57:51 2004
--- lib/readline/display.c Mon Aug 30 11:55:02 2004
***************
*** 202,206 ****
{
char *r, *ret, *p;
! int l, rl, last, ignoring, ninvis, invfl, ind, pind, physchars;
/* Short-circuit if we can. */
--- 202,206 ----
{
char *r, *ret, *p;
! int l, rl, last, ignoring, ninvis, invfl, invflset, ind, pind, physchars;
/* Short-circuit if we can. */
***************
*** 223,226 ****
--- 223,227 ----
invfl = 0; /* invisible chars in first line of prompt */
+ invflset = 0; /* we only want to set invfl once */
for (rl = ignoring = last = ninvis = physchars = 0, p = pmt; p && *p; p++)
***************
*** 250,254 ****
*r++ = *p++;
if (!ignoring)
! rl += ind - pind;
else
ninvis += ind - pind;
--- 251,258 ----
*r++ = *p++;
if (!ignoring)
! {
! rl += ind - pind;
! physchars += _rl_col_width (pmt, pind, ind);
! }
else
ninvis += ind - pind;
***************
*** 260,273 ****
*r++ = *p;
if (!ignoring)
! rl++; /* visible length byte counter */
else
ninvis++; /* invisible chars byte counter */
}
! if (rl >= _rl_screenwidth)
! invfl = ninvis;
!
! if (ignoring == 0)
! physchars++;
}
}
--- 264,280 ----
*r++ = *p;
if (!ignoring)
! {
! rl++; /* visible length byte counter */
! physchars++;
! }
else
ninvis++; /* invisible chars byte counter */
}
! if (invflset == 0 && rl >= _rl_screenwidth)
! {
! invfl = ninvis;
! invflset = 1;
! }
}
}
***************
*** 418,422 ****
register char *line;
int c_pos, inv_botlin, lb_botlin, lb_linenum;
! int newlines, lpos, temp, modmark;
char *prompt_this_line;
#if defined (HANDLE_MULTIBYTE)
--- 425,429 ----
register char *line;
int c_pos, inv_botlin, lb_botlin, lb_linenum;
! int newlines, lpos, temp, modmark, n0, num;
char *prompt_this_line;
#if defined (HANDLE_MULTIBYTE)
***************
*** 574,577 ****
--- 581,585 ----
#if defined (HANDLE_MULTIBYTE)
memset (_rl_wrapped_line, 0, vis_lbsize);
+ num = 0;
#endif
***************
*** 592,596 ****
--- 600,619 ----
prompts that exceed two physical lines?
Additional logic fix from Edward Catmur <ed@catmur.co.uk> */
+ #if defined (HANDLE_MULTIBYTE)
+ n0 = num;
+ temp = local_prompt ? strlen (local_prompt) : 0;
+ while (num < temp)
+ {
+ if (_rl_col_width (local_prompt, n0, num) > _rl_screenwidth)
+ {
+ num = _rl_find_prev_mbchar (local_prompt, num, MB_FIND_ANY);
+ break;
+ }
+ num++;
+ }
+ temp = num +
+ #else
temp = ((newlines + 1) * _rl_screenwidth) +
+ #endif /* !HANDLE_MULTIBYTE */
((local_prompt_prefix == 0) ? ((newlines == 0) ? prompt_invis_chars_first_line
: ((newlines == 1) ? wrap_offset : 0))
***************
*** 598,602 ****
--- 621,629 ----
inv_lbreaks[++newlines] = temp;
+ #if defined (HANDLE_MULTIBYTE)
+ lpos -= _rl_col_width (local_prompt, n0, num);
+ #else
lpos -= _rl_screenwidth;
+ #endif
}
*** ../bash-3.0/patchlevel.h Wed Aug 22 08:05:39 2001
--- patchlevel.h Thu Sep 2 15:04:32 2004
***************
*** 26,30 ****
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 5
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 6
#endif /* _PATCHLEVEL_H_ */
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