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Diffstat (limited to 'core/readline/readline83-004')
| -rw-r--r-- | core/readline/readline83-004 | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/core/readline/readline83-004 b/core/readline/readline83-004 new file mode 100644 index 0000000..f743af8 --- /dev/null +++ b/core/readline/readline83-004 @@ -0,0 +1,61 @@ + READLINE PATCH REPORT + ===================== + +Readline-Release: 8.3 +Patch-ID: readline83-004 + +Bug-Reported-by: Lennart Ackermans <lennart@ackermans.ch> +Bug-Reference-ID: <d6f36c30-633a-4e5e-8212-806db6441bf1@ackermans.ch> +Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2026-05/msg00066.html + +Bug-Description: + +If readline is invoked with the cursor somewhere other than column 0, and +the prompt contains multibyte characters, the display algorithm needs to +use a buffer offset, instead of the physical prompt length, to determine +whether or not to reprint the prompt from column 0 because the cursor is +before the last invisible character in the prompt string. + +Patch (apply with `patch -p0'): + +Lennart Ackermans <lennart@ackermans.ch> 5/19/2026 + +*** ../readline-8.3-patched/display.c Thu Sep 4 11:55:37 2025 +--- display.c Fri May 22 14:55:01 2026 +*************** +*** 1498,1502 **** + only need to reprint it if the cursor is before the last + invisible character in the prompt string. */ +- /* XXX - why not use local_prompt_len? */ + nleft = prompt_visible_length + wrap_offset; + if (cursor_linenum == prompt_last_screen_line) +--- 1498,1501 ---- +*************** +*** 1510,1518 **** + buffer position, an index into curline + (local_prompt + pmt_offset) */ +! cursor_bufpos = pmt_offset; +! if (mb_cur_max == 1 || rl_byte_oriented) +! cursor_bufpos += _rl_last_c_pos; +! else +! cursor_bufpos += _rl_last_c_pos + curline_invchars; + + if (local_prompt && local_prompt_invis_chars[cursor_linenum] && +--- 1509,1513 ---- + buffer position, an index into curline + (local_prompt + pmt_offset) */ +! cursor_bufpos = pmt_offset + local_prompt_len; + + if (local_prompt && local_prompt_invis_chars[cursor_linenum] && + +*** ../readline-8.3/patchlevel 2013-11-15 08:11:11.000000000 -0500 +--- patchlevel 2024-03-21 08:28:40.000000000 -0400 +*************** +*** 1,3 **** + # Do not edit -- exists only for use by patch + +! 3 +--- 1,3 ---- + # Do not edit -- exists only for use by patch + +! 4 |