BASH PATCH REPORT ================= Bash-Release: 4.0 Patch-ID: bash40-027 Bug-Reported-by: jim@jim.sh Bug-Reference-ID: <200905262140.n4QLeO4X030664@psychosis.jim.sh> Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2009-05/msg00074.html Bug-Description: There are occasional cursor positioning errors when using readline's horizontal scroll mode. Patch: *** ../bash-4.0-patched/lib/readline/display.c 2009-05-22 12:32:25.000000000 -0400 --- lib/readline/display.c 2009-05-29 23:32:20.000000000 -0400 *************** *** 1190,1196 **** line[t - 1] = '>'; ! if (!rl_display_fixed || forced_display || lmargin != last_lmargin) { forced_display = 0; update_line (&visible_line[last_lmargin], &invisible_line[lmargin], --- 1192,1200 ---- line[t - 1] = '>'; ! if (rl_display_fixed == 0 || forced_display || lmargin != last_lmargin) { forced_display = 0; + o_cpos = _rl_last_c_pos; + cpos_adjusted = 0; update_line (&visible_line[last_lmargin], &invisible_line[lmargin], *************** *** 1200,1203 **** --- 1204,1214 ---- 0); + if ((MB_CUR_MAX > 1 && rl_byte_oriented == 0) && + cpos_adjusted == 0 && + _rl_last_c_pos != o_cpos && + _rl_last_c_pos > wrap_offset && + o_cpos < prompt_last_invisible) + _rl_last_c_pos -= prompt_invis_chars_first_line; /* XXX - was wrap_offset */ + /* If the visible new line is shorter than the old, but the number of invisible characters is greater, and we are at the end of *** ../bash-4.0/patchlevel.h 2009-01-04 14:32:40.000000000 -0500 --- patchlevel.h 2009-02-22 16:11:31.000000000 -0500 *************** *** 26,30 **** looks for to find the patch level (for the sccs version string). */ ! #define PATCHLEVEL 26 #endif /* _PATCHLEVEL_H_ */ --- 26,30 ---- looks for to find the patch level (for the sccs version string). */ ! #define PATCHLEVEL 27 #endif /* _PATCHLEVEL_H_ */