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author Patrick J Volkerding <volkerdi@slackware.com>2009-08-26 10:00:38 -0500
committer Eric Hameleers <alien@slackware.com>2018-05-31 22:41:17 +0200
commit5a12e7c134274dba706667107d10d231517d3e05 (patch)
tree55718d5acb710fde798d9f38d0bbaf594ed4b296 /source/l/readline/readline-5.2-patches/readline52-013
downloadcurrent-5a12e7c134274dba706667107d10d231517d3e05.tar.gz
current-5a12e7c134274dba706667107d10d231517d3e05.tar.xz
Slackware 13.0slackware-13.0
Wed Aug 26 10:00:38 CDT 2009 Slackware 13.0 x86_64 is released as stable! Thanks to everyone who helped make this release possible -- see the RELEASE_NOTES for the credits. The ISOs are off to the replicator. This time it will be a 6 CD-ROM 32-bit set and a dual-sided 32-bit/64-bit x86/x86_64 DVD. We're taking pre-orders now at store.slackware.com. Please consider picking up a copy to help support the project. Once again, thanks to the entire Slackware community for all the help testing and fixing things and offering suggestions during this development cycle. As always, have fun and enjoy! -P.
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+ READLINE PATCH REPORT
+ =====================
+
+Readline-Release: 5.2
+Patch-ID: readline52-013
+
+Bug-Reported-by: slinkp <stuff@slinkp.com>
+Bug-Reference-ID: <da52a26a-9f38-4861-a918-14d3482b539d@c65g2000hsa.googlegroups.com>
+Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2008-05/msg00085.html
+
+Bug-Description:
+
+The presence of invisible characters in a prompt longer than the screenwidth
+with invisible characters on the first and last prompt lines caused readline
+to place the cursor in the wrong physical location.
+
+Patch:
+
+*** ../readline-5.2-patched/display.c 2007-12-14 21:12:40.000000000 -0500
+--- display.c 2008-10-23 09:39:46.000000000 -0400
+***************
+*** 911,914 ****
+--- 944,951 ----
+ OFFSET (which has already been calculated above). */
+
++ #define INVIS_FIRST() (prompt_physical_chars > _rl_screenwidth ? prompt_invis_chars_first_line : wrap_offset)
++ #define WRAP_OFFSET(line, offset) ((line == 0) \
++ ? (offset ? INVIS_FIRST() : 0) \
++ : ((line == prompt_last_screen_line) ? wrap_offset-prompt_invis_chars_first_line : 0))
+ #define W_OFFSET(line, offset) ((line) == 0 ? offset : 0)
+ #define VIS_LLEN(l) ((l) > _rl_vis_botlin ? 0 : (vis_lbreaks[l+1] - vis_lbreaks[l]))
+***************
+*** 945,949 ****
+ _rl_last_c_pos > wrap_offset &&
+ o_cpos < prompt_last_invisible)
+! _rl_last_c_pos -= wrap_offset;
+
+ /* If this is the line with the prompt, we might need to
+--- 982,992 ----
+ _rl_last_c_pos > wrap_offset &&
+ o_cpos < prompt_last_invisible)
+! _rl_last_c_pos -= prompt_invis_chars_first_line; /* XXX - was wrap_offset */
+! else if (linenum == prompt_last_screen_line && prompt_physical_chars > _rl_screenwidth &&
+! (MB_CUR_MAX > 1 && rl_byte_oriented == 0) &&
+! cpos_adjusted == 0 &&
+! _rl_last_c_pos != o_cpos &&
+! _rl_last_c_pos > (prompt_last_invisible - _rl_screenwidth - prompt_invis_chars_first_line))
+! _rl_last_c_pos -= (wrap_offset-prompt_invis_chars_first_line);
+
+ /* If this is the line with the prompt, we might need to
+***************
+*** 1205,1209 ****
+ {
+ register char *ofd, *ols, *oe, *nfd, *nls, *ne;
+! int temp, lendiff, wsatend, od, nd, o_cpos;
+ int current_invis_chars;
+ int col_lendiff, col_temp;
+--- 1264,1268 ----
+ {
+ register char *ofd, *ols, *oe, *nfd, *nls, *ne;
+! int temp, lendiff, wsatend, od, nd, twidth, o_cpos;
+ int current_invis_chars;
+ int col_lendiff, col_temp;
+***************
+*** 1221,1225 ****
+ temp = _rl_last_c_pos;
+ else
+! temp = _rl_last_c_pos - W_OFFSET(_rl_last_v_pos, visible_wrap_offset);
+ if (temp == _rl_screenwidth && _rl_term_autowrap && !_rl_horizontal_scroll_mode
+ && _rl_last_v_pos == current_line - 1)
+--- 1280,1284 ----
+ temp = _rl_last_c_pos;
+ else
+! temp = _rl_last_c_pos - WRAP_OFFSET (_rl_last_v_pos, visible_wrap_offset);
+ if (temp == _rl_screenwidth && _rl_term_autowrap && !_rl_horizontal_scroll_mode
+ && _rl_last_v_pos == current_line - 1)
+***************
+*** 1587,1599 ****
+ {
+ _rl_output_some_chars (nfd + lendiff, temp - lendiff);
+- #if 1
+ /* XXX -- this bears closer inspection. Fixes a redisplay bug
+ reported against bash-3.0-alpha by Andreas Schwab involving
+ multibyte characters and prompt strings with invisible
+ characters, but was previously disabled. */
+! _rl_last_c_pos += _rl_col_width (nfd+lendiff, 0, temp-col_lendiff);
+! #else
+! _rl_last_c_pos += _rl_col_width (nfd+lendiff, 0, temp-lendiff);
+! #endif
+ }
+ }
+--- 1648,1660 ----
+ {
+ _rl_output_some_chars (nfd + lendiff, temp - lendiff);
+ /* XXX -- this bears closer inspection. Fixes a redisplay bug
+ reported against bash-3.0-alpha by Andreas Schwab involving
+ multibyte characters and prompt strings with invisible
+ characters, but was previously disabled. */
+! if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+! twidth = _rl_col_width (nfd+lendiff, 0, temp-col_lendiff);
+! else
+! twidth = temp - lendiff;
+! _rl_last_c_pos += twidth;
+ }
+ }
+***************
+*** 1789,1793 ****
+ int cpos, dpos; /* current and desired cursor positions */
+
+! woff = W_OFFSET (_rl_last_v_pos, wrap_offset);
+ cpos = _rl_last_c_pos;
+ #if defined (HANDLE_MULTIBYTE)
+--- 1850,1854 ----
+ int cpos, dpos; /* current and desired cursor positions */
+
+! woff = WRAP_OFFSET (_rl_last_v_pos, wrap_offset);
+ cpos = _rl_last_c_pos;
+ #if defined (HANDLE_MULTIBYTE)
+***************
+*** 1803,1807 ****
+ prompt string, since they're both buffer indices and DPOS is a
+ desired display position. */
+! if (new > prompt_last_invisible) /* XXX - don't use woff here */
+ {
+ dpos -= woff;
+--- 1864,1872 ----
+ prompt string, since they're both buffer indices and DPOS is a
+ desired display position. */
+! if ((new > prompt_last_invisible) || /* XXX - don't use woff here */
+! (prompt_physical_chars > _rl_screenwidth &&
+! _rl_last_v_pos == prompt_last_screen_line &&
+! wrap_offset != woff &&
+! new > (prompt_last_invisible-_rl_screenwidth-wrap_offset)))
+ {
+ dpos -= woff;