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Diffstat (limited to 'package/readline/readline52-006')
| -rw-r--r-- | package/readline/readline52-006 | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/package/readline/readline52-006 b/package/readline/readline52-006 new file mode 100644 index 000000000..fbd06cb23 --- /dev/null +++ b/package/readline/readline52-006 @@ -0,0 +1,62 @@ + READLINE PATCH REPORT + ===================== + +Readline-Release: 5.2 +Patch-ID: readline52-006 + +Bug-Reported-by: Peter Volkov <torre_cremata@mail.ru> +Bug-Reference-ID: <1178376645.9063.25.camel@localhost> +Bug-Reference-URL: http://bugs.gentoo.org/177095 + +Bug-Description: + +The readline display code miscalculated the screen position when performing +a redisplay in which the new text occupies more screen space that the old, +but takes fewer bytes to do so (e.g., when replacing a shorter string +containing multibyte characters with a longer one containing only ASCII). + +Patch: + +*** ../readline-5.2/display.c Thu Apr 26 11:38:22 2007 +--- ./display.c Thu Jul 12 23:10:10 2007 +*************** +*** 1519,1527 **** + /* Non-zero if we're increasing the number of lines. */ + int gl = current_line >= _rl_vis_botlin && inv_botlin > _rl_vis_botlin; + /* Sometimes it is cheaper to print the characters rather than + use the terminal's capabilities. If we're growing the number + of lines, make sure we actually cause the new line to wrap + around on auto-wrapping terminals. */ +! if (_rl_terminal_can_insert && ((2 * col_temp) >= col_lendiff || _rl_term_IC) && (!_rl_term_autowrap || !gl)) + { + /* If lendiff > prompt_visible_length and _rl_last_c_pos == 0 and +--- 1568,1596 ---- + /* Non-zero if we're increasing the number of lines. */ + int gl = current_line >= _rl_vis_botlin && inv_botlin > _rl_vis_botlin; ++ /* If col_lendiff is > 0, implying that the new string takes up more ++ screen real estate than the old, but lendiff is < 0, meaning that it ++ takes fewer bytes, we need to just output the characters starting ++ from the first difference. These will overwrite what is on the ++ display, so there's no reason to do a smart update. This can really ++ only happen in a multibyte environment. */ ++ if (lendiff < 0) ++ { ++ _rl_output_some_chars (nfd, temp); ++ _rl_last_c_pos += _rl_col_width (nfd, 0, temp); ++ /* If nfd begins before any invisible characters in the prompt, ++ adjust _rl_last_c_pos to account for wrap_offset and set ++ cpos_adjusted to let the caller know. */ ++ if (current_line == 0 && wrap_offset && ((nfd - new) <= prompt_last_invisible)) ++ { ++ _rl_last_c_pos -= wrap_offset; ++ cpos_adjusted = 1; ++ } ++ return; ++ } + /* Sometimes it is cheaper to print the characters rather than + use the terminal's capabilities. If we're growing the number + of lines, make sure we actually cause the new line to wrap + around on auto-wrapping terminals. */ +! else if (_rl_terminal_can_insert && ((2 * col_temp) >= col_lendiff || _rl_term_IC) && (!_rl_term_autowrap || !gl)) + { + /* If lendiff > prompt_visible_length and _rl_last_c_pos == 0 and |