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Diffstat (limited to 'app-shells/bash/files/bash-3.0-rl-display.patch')
| -rw-r--r-- | app-shells/bash/files/bash-3.0-rl-display.patch | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/app-shells/bash/files/bash-3.0-rl-display.patch b/app-shells/bash/files/bash-3.0-rl-display.patch deleted file mode 100644 index 77e0f33..0000000 --- a/app-shells/bash/files/bash-3.0-rl-display.patch +++ /dev/null @@ -1,185 +0,0 @@ -Ripped from Debian - -# DP: Fix bug utilising the ``reverse-search-history'' feature of the readline -# DP: library, if the search string matches a previously entered command (ie -# DP: history) and must overflow the current screen width. - -From: Chet Ramey <chet@caleb.ins.cwru.edu> -To: doko@cs.tu-berlin.de -Cc: chet@po.cwru.edu -Subject: Re: Bug#288940: bash-3.0 segfault in readline when Control-R'ing long lines (forwarded from epl@unimelb.edu.au) -Date: Tue, 11 Jan 2005 15:25:15 -0500 - -> Chet Ramey writes: -> > > Package: bash -> > > Version: 3.0-12 -> > > Severity: normal -> > > Tags: sid -> > > -> > > I have found a bug where Debian unstable's bash-3.0 will segfault when -> > > utilising the ``reverse-search-history'' feature of the readline library. -> > > In particular, the search string must match a previously entered command -> > > (ie history) and must overflow the current screen width. -> > -> > Thanks, I fixed this one. -> -> as this is a segfault, could you provide the patch? - -The changes in display.c are extensive enough that it is a fairly large patch. -Here are the essentials. I will more than likely not be releasing this as an -official patch. - -Chet - -*** ../bash-3.0-patched/lib/readline/display.c Wed Sep 8 11:07:51 2004 ---- lib/readline/display.c Sat Jan 8 21:51:40 2005 -*************** -*** 181,184 **** ---- 186,201 ---- - static int prompt_physical_chars; - -+ /* Variables to save and restore prompt and display information. */ -+ -+ /* These are getting numerous enough that it's time to create a struct. */ -+ -+ static char *saved_local_prompt; -+ static char *saved_local_prefix; -+ static int saved_last_invisible; -+ static int saved_visible_length; -+ static int saved_prefix_length; -+ static int saved_invis_chars_first_line; -+ static int saved_physical_chars; -+ - /* Expand the prompt string S and return the number of visible - characters in *LP, if LP is not null. This is currently more-or-less -*************** -*** 1797,1803 **** - return ((ISPRINT (uc)) ? 1 : 2); - } -- - /* How to print things in the "echo-area". The prompt is treated as a - mini-modeline. */ - - #if defined (USE_VARARGS) ---- 1825,1831 ---- - return ((ISPRINT (uc)) ? 1 : 2); - } - /* How to print things in the "echo-area". The prompt is treated as a - mini-modeline. */ -+ static int msg_saved_prompt = 0; - - #if defined (USE_VARARGS) -*************** -*** 1830,1835 **** ---- 1858,1874 ---- - va_end (args); - -+ if (saved_local_prompt == 0) -+ { -+ rl_save_prompt (); -+ msg_saved_prompt = 1; -+ } - rl_display_prompt = msg_buf; -+ local_prompt = expand_prompt (msg_buf, &prompt_visible_length, -+ &prompt_last_invisible, -+ &prompt_invis_chars_first_line, -+ &prompt_physical_chars); -+ local_prompt_prefix = (char *)NULL; - (*rl_redisplay_function) (); -+ - return 0; - } -*************** -*** 1841,1846 **** ---- 1880,1897 ---- - sprintf (msg_buf, format, arg1, arg2); - msg_buf[sizeof(msg_buf) - 1] = '\0'; /* overflow? */ -+ - rl_display_prompt = msg_buf; -+ if (saved_local_prompt == 0) -+ { -+ rl_save_prompt (); -+ msg_saved_prompt = 1; -+ } -+ local_prompt = expand_prompt (msg_buf, &prompt_visible_length, -+ &prompt_last_invisible, -+ &prompt_invis_chars_first_line, -+ &prompt_physical_chars); -+ local_prompt_prefix = (char *)NULL; - (*rl_redisplay_function) (); -+ - return 0; - } -*************** -*** 1852,1855 **** ---- 1903,1911 ---- - { - rl_display_prompt = rl_prompt; -+ if (msg_saved_prompt) -+ { -+ rl_restore_prompt (); -+ msg_saved_prompt = 0; -+ } - (*rl_redisplay_function) (); - return 0; -*************** -*** 1866,1878 **** - } - -- /* These are getting numerous enough that it's time to create a struct. */ -- -- static char *saved_local_prompt; -- static char *saved_local_prefix; -- static int saved_last_invisible; -- static int saved_visible_length; -- static int saved_invis_chars_first_line; -- static int saved_physical_chars; -- - void - rl_save_prompt () ---- 1922,1925 ---- -*************** -*** 1880,1883 **** ---- 1927,1931 ---- - saved_local_prompt = local_prompt; - saved_local_prefix = local_prompt_prefix; -+ saved_prefix_length = prompt_prefix_length; - saved_last_invisible = prompt_last_invisible; - saved_visible_length = prompt_visible_length; -*************** -*** 1886,1890 **** - - local_prompt = local_prompt_prefix = (char *)0; -! prompt_last_invisible = prompt_visible_length = 0; - prompt_invis_chars_first_line = prompt_physical_chars = 0; - } ---- 1934,1938 ---- - - local_prompt = local_prompt_prefix = (char *)0; -! prompt_last_invisible = prompt_visible_length = prompt_prefix_length = 0; - prompt_invis_chars_first_line = prompt_physical_chars = 0; - } -*************** -*** 1898,1905 **** ---- 1946,1959 ---- - local_prompt = saved_local_prompt; - local_prompt_prefix = saved_local_prefix; -+ prompt_prefix_length = saved_prefix_length; - prompt_last_invisible = saved_last_invisible; - prompt_visible_length = saved_visible_length; - prompt_invis_chars_first_line = saved_invis_chars_first_line; - prompt_physical_chars = saved_physical_chars; -+ -+ /* can test saved_local_prompt to see if prompt info has been saved. */ -+ saved_local_prompt = saved_local_prefix = (char *)0; -+ saved_last_invisible = saved_visible_length = saved_prefix_length = 0; -+ saved_invis_chars_first_line = saved_physical_chars = 0; - } - - - --- -``The lyf so short, the craft so long to lerne.'' - Chaucer -( ``Discere est Dolere'' -- chet ) - Live...Laugh...Love -Chet Ramey, ITS, CWRU chet@po.cwru.edu http://tiswww.tis.cwru.edu/~chet/ |