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source: patches/bash-4.0-branch_update-7.patch@ 653a251

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Last change on this file since 653a251 was 28428e9, checked in by jim <jim@…>, 15 years ago
Updated Bash Patch
Property mode set to `100644`
File size: 42.8 KB

Rev	Line
[c822ddc]	1	Submitted By: Jim Gifford (jim at cross-lfs dot org)
[28428e9]	2	Date: 09-12-2009
[c822ddc]	3	Initial Package Version: 4.0
	4	Origin: Upstream
	5	Upstream Status: Applied
[28428e9]	6	Description: Contains all upstream patches up to 4.0-033
[c822ddc]	7
	8	diff -Naur bash-4.0.orig/arrayfunc.c bash-4.0/arrayfunc.c
	9	--- bash-4.0.orig/arrayfunc.c 2009-01-04 11:32:21.000000000 -0800
[28428e9]	10	+++ bash-4.0/arrayfunc.c 2009-09-12 08:23:47.000000000 -0700
	11	@@ -98,7 +98,7 @@
	12	oldval = value_cell (var);
	13	hash = assoc_create (0);
	14	if (oldval)
	15	- assoc_insert (hash, "0", oldval);
	16	+ assoc_insert (hash, savestring ("0"), oldval);
	17
	18	FREE (value_cell (var));
	19	var_setassoc (var, hash);
[c822ddc]	20	@@ -604,64 +604,7 @@
	21	}
	22	}
	23
	24	-/* This function assumes s[i] == '['; returns with s[ret] == ']' if
	25	- an array subscript is correctly parsed. */
	26	-int
	27	-skipsubscript (s, i)
	28	- const char *s;
	29	- int i;
	30	-{
	31	- int count, c;
	32	-#if defined (HANDLE_MULTIBYTE)
	33	- mbstate_t state, state_bak;
	34	- size_t slength, mblength;
	35	-#endif
	36	-
	37	-#if defined (HANDLE_MULTIBYTE)
	38	- memset (&state, '\0', sizeof (mbstate_t));
	39	- slength = strlen (s + i);
	40	-#endif
	41	-
	42	- count = 1;
	43	- while (count)
	44	- {
	45	- /* Advance one (possibly multibyte) character in S starting at I. */
	46	-#if defined (HANDLE_MULTIBYTE)
	47	- if (MB_CUR_MAX > 1)
	48	- {
	49	- state_bak = state;
	50	- mblength = mbrlen (s + i, slength, &state);
	51	-
	52	- if (MB_INVALIDCH (mblength))
	53	- {
	54	- state = state_bak;
	55	- i++;
	56	- slength--;
	57	- }
	58	- else if (MB_NULLWCH (mblength))
	59	- return i;
	60	- else
	61	- {
	62	- i += mblength;
	63	- slength -= mblength;
	64	- }
	65	- }
	66	- else
	67	-#endif
	68	- ++i;
	69	-
	70	- c = s[i];
	71	-
	72	- if (c == 0)
	73	- break;
	74	- else if (c == '[')
	75	- count++;
	76	- else if (c == ']')
	77	- count--;
	78	- }
	79	-
	80	- return i;
	81	-}
	82	+/* skipsubscript moved to subst.c to use private functions. 2009/02/24. */
	83
	84	/* This function is called with SUB pointing to just after the beginning
	85	`[' of an array subscript and removes the array element to which SUB
[28428e9]	86	diff -Naur bash-4.0.orig/bashline.c bash-4.0/bashline.c
	87	--- bash-4.0.orig/bashline.c 2009-01-08 06:29:24.000000000 -0800
	88	+++ bash-4.0/bashline.c 2009-09-12 08:23:46.000000000 -0700
	89	@@ -3388,7 +3388,6 @@
	90	Keymap xkmap; /* unix command executing keymap */
	91	register int i;
	92	intmax_t mi;
	93	- int save_point;
	94	sh_parser_state_t ps;
	95	char cmd, value, *l;
	96	SHELL_VAR *v;
	97	@@ -3432,7 +3431,6 @@
	98	if (v)
	99	VSETATTR (v, att_exported);
	100	l = value_cell (v);
	101	- save_point = rl_point;
	102	value = inttostr (rl_point, ibuf, sizeof (ibuf));
	103	v = bind_int_variable ("READLINE_POINT", value);
	104	if (v)
	105	@@ -3450,7 +3448,7 @@
	106	if (v && legal_number (value_cell (v), &mi))
	107	{
	108	i = mi;
	109	- if (i != save_point)
	110	+ if (i != rl_point)
	111	{
	112	rl_point = i;
	113	if (rl_point > rl_end)
[c822ddc]	114	diff -Naur bash-4.0.orig/builtins/declare.def bash-4.0/builtins/declare.def
	115	--- bash-4.0.orig/builtins/declare.def 2009-01-04 11:32:22.000000000 -0800
[28428e9]	116	+++ bash-4.0/builtins/declare.def 2009-09-12 08:23:07.000000000 -0700
[973b90d5]	117	@@ -295,6 +295,13 @@
[c822ddc]	118	subscript_start = (char *)NULL;
	119	if (t = strchr (name, '[')) /* ] */
	120	{
	121	+ /* If offset != 0 we have already validated any array reference */
	122	+ if (offset == 0 && valid_array_reference (name) == 0)
	123	+ {
	124	+ sh_invalidid (name);
	125	+ assign_error++;
	126	+ NEXT_VARIABLE ();
	127	+ }
	128	subscript_start = t;
	129	*t = '\0';
	130	making_array_special = 1;
[973b90d5]	131	@@ -484,7 +491,7 @@
[c822ddc]	132	}
	133	/* declare -a name[[n]] or declare name[n] makes name an indexed
	134	array variable. */
	135	- else if ((making_array_special \|\| (flags_on & att_array)) && array_p (var) == 0)
	136	+ else if ((making_array_special \|\| (flags_on & att_array)) && array_p (var) == 0 && assoc_p (var) == 0)
	137	var = convert_var_to_array (var);
	138	#endif /* ARRAY_VARS */
	139
	140	diff -Naur bash-4.0.orig/builtins/exit.def bash-4.0/builtins/exit.def
	141	--- bash-4.0.orig/builtins/exit.def 2009-01-04 11:32:22.000000000 -0800
[28428e9]	142	+++ bash-4.0/builtins/exit.def 2009-09-12 08:23:05.000000000 -0700
[c822ddc]	143	@@ -113,7 +113,7 @@
	144	for (i = stopmsg = 0; i < js.j_jobslots; i++)
	145	if (jobs[i] && STOPPED (i))
	146	stopmsg = JSTOPPED;
	147	- else if (check_jobs_at_exit && stopmsg == 0 && RUNNING (i))
	148	+ else if (check_jobs_at_exit && stopmsg == 0 && jobs[i] && RUNNING (i))
	149	stopmsg = JRUNNING;
	150
	151	if (stopmsg == JSTOPPED)
[e6b4db2]	152	diff -Naur bash-4.0.orig/builtins/fc.def bash-4.0/builtins/fc.def
	153	--- bash-4.0.orig/builtins/fc.def 2009-01-04 11:32:22.000000000 -0800
[28428e9]	154	+++ bash-4.0/builtins/fc.def 2009-09-12 08:23:21.000000000 -0700
[e6b4db2]	155	@@ -88,6 +88,7 @@
	156	extern int current_command_line_count;
	157	extern int literal_history;
	158	extern int posixly_correct;
	159	+extern int subshell_environment, interactive_shell;
	160
	161	extern int unlink __P((const char *));
	162
	163	@@ -172,7 +173,7 @@
	164	register int i;
	165	register char *sep;
	166	int numbering, reverse, listing, execute;
	167	- int histbeg, histend, last_hist, retval, opt;
	168	+ int histbeg, histend, last_hist, retval, opt, rh;
	169	FILE *stream;
	170	REPL rlist, rl;
	171	char ename, command, newcom, fcedit;
	172	@@ -275,6 +276,8 @@
	173
	174	fprintf (stderr, "%s\n", command);
	175	fc_replhist (command); /* replace `fc -s' with command */
	176	+ /* Posix says that the re-executed commands should be entered into the
	177	+ history. */
	178	return (parse_and_execute (command, "fc", SEVAL_NOHIST));
	179	}
	180
	181	@@ -293,7 +296,12 @@
	182	line was actually added (HISTIGNORE may have caused it to not be),
	183	so we check hist_last_line_added. */
	184
	185	- last_hist = i - remember_on_history - hist_last_line_added;
	186	+ /* Even though command substitution through parse_and_execute turns off
	187	+ remember_on_history, command substitution in a shell when set -o history
	188	+ has been enabled (interactive or not) should use it in the last_hist
	189	+ calculation as if it were on. */
	190	+ rh = remember_on_history \|\| ((subshell_environment & SUBSHELL_COMSUB) && enable_history_list);
	191	+ last_hist = i - rh - hist_last_line_added;
	192
	193	if (list)
	194	{
	195	@@ -456,7 +464,7 @@
	196	char *command;
	197	HIST_ENTRY **hlist;
	198	{
	199	- int sign, n, clen;
	200	+ int sign, n, clen, rh;
	201	register int i, j;
	202	register char *s;
	203
	204	@@ -472,7 +480,12 @@
	205	line was actually added (HISTIGNORE may have caused it to not be),
	206	so we check hist_last_line_added. This needs to agree with the
	207	calculation of last_hist in fc_builtin above. */
	208	- i -= remember_on_history + hist_last_line_added;
	209	+ /* Even though command substitution through parse_and_execute turns off
	210	+ remember_on_history, command substitution in a shell when set -o history
	211	+ has been enabled (interactive or not) should use it in the last_hist
	212	+ calculation as if it were on. */
	213	+ rh = remember_on_history \|\| ((subshell_environment & SUBSHELL_COMSUB) && enable_history_list);
	214	+ i -= rh + hist_last_line_added;
	215
	216	/* No specification defaults to most recent command. */
	217	if (command == NULL)
[7a39f29]	218	diff -Naur bash-4.0.orig/builtins/read.def bash-4.0/builtins/read.def
	219	--- bash-4.0.orig/builtins/read.def 2009-01-15 20:11:21.000000000 -0800
[28428e9]	220	+++ bash-4.0/builtins/read.def 2009-09-12 08:23:50.000000000 -0700
[7a39f29]	221	@@ -369,14 +369,14 @@
	222	code = setjmp (alrmbuf);
	223	if (code)
	224	{
	225	-#if 0
	226	+ /* Tricky. The top of the unwind-protect stack is the free of
	227	+ input_string. We want to run all the rest and use input_string,
	228	+ so we have to remove it from the stack. */
	229	+ remove_unwind_protect ();
	230	run_unwind_frame ("read_builtin");
	231	- return (EXECUTION_FAILURE);
	232	-#else
	233	input_string[i] = '\0'; /* make sure it's terminated */
	234	- retval = 128+SIGALRM;;
	235	+ retval = 128+SIGALRM;
	236	goto assign_vars;
	237	-#endif
	238	}
	239	old_alrm = set_signal_handler (SIGALRM, sigalrm);
	240	add_unwind_protect (reset_alarm, (char *)NULL);
[28428e9]	241	@@ -763,7 +763,10 @@
	242	if (*input_string == 0)
	243	tofree = input_string = t;
	244	else
	245	- input_string = strip_trailing_ifs_whitespace (t1, ifs_chars, saw_escape);
	246	+ {
	247	+ input_string = strip_trailing_ifs_whitespace (t1, ifs_chars, saw_escape);
	248	+ tofree = t;
	249	+ }
	250	}
	251	#endif
	252
[8e00734]	253	diff -Naur bash-4.0.orig/doc/bash.1 bash-4.0/doc/bash.1
	254	--- bash-4.0.orig/doc/bash.1 2009-02-18 12:13:56.000000000 -0800
[28428e9]	255	+++ bash-4.0/doc/bash.1 2009-09-12 08:23:43.000000000 -0700
[8e00734]	256	@@ -8257,9 +8257,10 @@
	257	Exit after reading and executing one command.
	258	.TP 8
	259	.B \-u
	260	-Treat unset variables as an error when performing
	261	+Treat unset variables and parameters other than the special
	262	+parameters "@" and "*" as an error when performing
	263	parameter expansion. If expansion is attempted on an
	264	-unset variable, the shell prints an error message, and,
	265	+unset variable or parameter, the shell prints an error message, and,
	266	if not interactive, exits with a non-zero status.
	267	.TP 8
	268	.B \-v
	269	diff -Naur bash-4.0.orig/doc/bashref.texi bash-4.0/doc/bashref.texi
	270	--- bash-4.0.orig/doc/bashref.texi 2009-02-18 12:14:43.000000000 -0800
[28428e9]	271	+++ bash-4.0/doc/bashref.texi 2009-09-12 08:23:43.000000000 -0700
[8e00734]	272	@@ -4138,7 +4138,8 @@
	273	Exit after reading and executing one command.
	274
	275	@item -u
	276	-Treat unset variables as an error when performing parameter expansion.
	277	+Treat unset variables and parameters other than the special parameters
	278	+@samp{@@} or @samp{*} as an error when performing parameter expansion.
	279	An error message will be written to the standard error, and a non-interactive
	280	shell will exit.
	281
[e6b4db2]	282	diff -Naur bash-4.0.orig/execute_cmd.c bash-4.0/execute_cmd.c
	283	--- bash-4.0.orig/execute_cmd.c 2009-02-13 13:41:41.000000000 -0800
[28428e9]	284	+++ bash-4.0/execute_cmd.c 2009-09-12 08:23:24.000000000 -0700
[e6b4db2]	285	@@ -568,6 +568,7 @@
	286
	287	/* Fork a subshell, turn off the subshell bit, turn off job
	288	control and call execute_command () on the command again. */
	289	+ line_number_for_err_trap = line_number;
	290	paren_pid = make_child (savestring (make_command_string (command)),
	291	asynchronous);
	292	if (paren_pid == 0)
	293	@@ -610,7 +611,10 @@
	294	if (user_subshell && was_error_trap && ignore_return == 0 && invert == 0 && exec_result != EXECUTION_SUCCESS)
	295	{
	296	last_command_exit_value = exec_result;
	297	+ save_line_number = line_number;
	298	+ line_number = line_number_for_err_trap;
	299	run_error_trap ();
	300	+ line_number = save_line_number;
	301	}
	302
	303	if (user_subshell && ignore_return == 0 && invert == 0 && exit_immediately_on_error && exec_result != EXECUTION_SUCCESS)
	304	@@ -766,7 +770,9 @@
	305	if (was_error_trap && ignore_return == 0 && invert == 0 && pipe_in == NO_PIPE && pipe_out == NO_PIPE && exec_result != EXECUTION_SUCCESS)
	306	{
	307	last_command_exit_value = exec_result;
	308	+ line_number = line_number_for_err_trap;
	309	run_error_trap ();
	310	+ line_number = save_line_number;
	311	}
	312
	313	if (ignore_return == 0 && invert == 0 &&
	314	@@ -2105,6 +2111,7 @@
	315	REDIRECT *rp;
	316	COMMAND tc, second;
	317	int ignore_return, exec_result, was_error_trap, invert;
	318	+ volatile int save_line_number;
	319
	320	ignore_return = (command->flags & CMD_IGNORE_RETURN) != 0;
	321
	322	@@ -2174,12 +2181,16 @@
	323	invert = (command->flags & CMD_INVERT_RETURN) != 0;
	324	ignore_return = (command->flags & CMD_IGNORE_RETURN) != 0;
	325
	326	+ line_number_for_err_trap = line_number;
	327	exec_result = execute_pipeline (command, asynchronous, pipe_in, pipe_out, fds_to_close);
	328
	329	if (was_error_trap && ignore_return == 0 && invert == 0 && exec_result != EXECUTION_SUCCESS)
	330	{
	331	last_command_exit_value = exec_result;
	332	+ save_line_number = line_number;
	333	+ line_number = line_number_for_err_trap;
	334	run_error_trap ();
	335	+ line_number = save_line_number;
	336	}
	337
	338	if (ignore_return == 0 && invert == 0 && exit_immediately_on_error && exec_result != EXECUTION_SUCCESS)
	339	@@ -2930,7 +2941,7 @@
	340	retval = execute_command (clauses->action);
	341	}
	342	while ((clauses->flags & CASEPAT_FALLTHROUGH) && (clauses = clauses->next));
	343	- if ((clauses->flags & CASEPAT_TESTNEXT) == 0)
	344	+ if (clauses == 0 \|\| (clauses->flags & CASEPAT_TESTNEXT) == 0)
	345	EXIT_CASE ();
	346	else
	347	break;
[8e00734]	348	diff -Naur bash-4.0.orig/externs.h bash-4.0/externs.h
	349	--- bash-4.0.orig/externs.h 2009-01-18 15:29:29.000000000 -0800
[28428e9]	350	+++ bash-4.0/externs.h 2009-09-12 08:23:39.000000000 -0700
[8e00734]	351	@@ -192,6 +192,8 @@
	352	extern char fmtumax __P((uintmax_t, int, char , size_t, int));
	353
	354	/* Declarations for functions defined in lib/sh/fpurge.c */
	355	+
	356	+#if defined NEED_FPURGE_DECL
	357	#if !HAVE_DECL_FPURGE
	358
	359	#if HAVE_FPURGE
	360	@@ -200,7 +202,7 @@
	361	extern int fpurge __P((FILE *stream));
	362
	363	#endif /* HAVE_DECL_FPURGE */
	364	-
	365	+#endif /* NEED_FPURGE_DECL */
	366
	367	/* Declarations for functions defined in lib/sh/getcwd.c */
	368	#if !defined (HAVE_GETCWD)
[140d857]	369	diff -Naur bash-4.0.orig/jobs.c bash-4.0/jobs.c
	370	--- bash-4.0.orig/jobs.c 2009-01-29 14:09:49.000000000 -0800
[28428e9]	371	+++ bash-4.0/jobs.c 2009-09-12 08:23:29.000000000 -0700
[140d857]	372	@@ -442,7 +442,7 @@
	373	old_pipeline = the_pipeline;
	374	the_pipeline = saved_pipeline;
	375	already_making_children = saved_already_making_children;
	376	- if (discard)
	377	+ if (discard && old_pipeline)
	378	discard_pipeline (old_pipeline);
	379	}
	380
	381	@@ -4202,4 +4202,23 @@
	382	sh_closepipe (pgrp_pipe);
	383	}
	384
	385	+void
	386	+save_pgrp_pipe (p, clear)
	387	+ int *p;
	388	+ int clear;
	389	+{
	390	+ p[0] = pgrp_pipe[0];
	391	+ p[1] = pgrp_pipe[1];
	392	+ if (clear)
	393	+ pgrp_pipe[0] = pgrp_pipe[1] = -1;
	394	+}
	395	+
	396	+void
	397	+restore_pgrp_pipe (p)
	398	+ int *p;
	399	+{
	400	+ pgrp_pipe[0] = p[0];
	401	+ pgrp_pipe[1] = p[1];
	402	+}
	403	+
	404	#endif /* PGRP_PIPE */
	405	diff -Naur bash-4.0.orig/jobs.h bash-4.0/jobs.h
	406	--- bash-4.0.orig/jobs.h 2009-01-04 11:32:29.000000000 -0800
[28428e9]	407	+++ bash-4.0/jobs.h 2009-09-12 08:23:29.000000000 -0700
[140d857]	408	@@ -235,6 +235,8 @@
	409	extern void init_job_stats __P((void));
	410
	411	extern void close_pgrp_pipe __P((void));
	412	+extern void save_pgrp_pipe __P((int *, int));
	413	+extern void restore_pgrp_pipe __P((int *));
	414
	415	#if defined (JOB_CONTROL)
	416	extern int job_control;
	417	diff -Naur bash-4.0.orig/lib/glob/glob.c bash-4.0/lib/glob/glob.c
	418	--- bash-4.0.orig/lib/glob/glob.c 2009-01-04 11:32:30.000000000 -0800
[28428e9]	419	+++ bash-4.0/lib/glob/glob.c 2009-09-12 08:23:38.000000000 -0700
[140d857]	420	@@ -356,7 +356,7 @@
	421	*np = 0;
	422	if (ep)
	423	*ep = 0;
	424	- if (r)
	425	+ if (r && r != &glob_error_return)
	426	free (r);
	427	return (struct globval *)0;
	428	}
[8e00734]	429	@@ -665,7 +665,9 @@
[140d857]	430	(void) closedir (d);
	431	}
	432
	433	- /* compat: if GX_ALLDIRS, add the passed directory also */
[8e00734]	434	+ /* compat: if GX_ADDCURDIR, add the passed directory also. Add an empty
	435	+ directory name as a placeholder if GX_NULLDIR (in which case the passed
	436	+ directory name is "."). */
	437	if (add_current)
[140d857]	438	{
	439	sdlen = strlen (dir);
[8e00734]	440	@@ -942,7 +944,12 @@
[140d857]	441	char **array;
	442	register unsigned int l;
	443
	444	- array = glob_dir_to_array (directories[i], temp_results, flags);
	445	+ /* If we're expanding **, we don't need to glue the directory
	446	+ name to the results; we've already done it in glob_vector */
	447	+ if ((dflags & GX_ALLDIRS) && filename[0] == '' && filename[1] == '' && filename[2] == '\0')
	448	+ array = temp_results;
	449	+ else
	450	+ array = glob_dir_to_array (directories[i], temp_results, flags);
	451	l = 0;
	452	while (array[l] != NULL)
	453	++l;
[8e00734]	454	@@ -959,7 +966,8 @@
[140d857]	455	result[result_size - 1] = NULL;
	456
	457	/* Note that the elements of ARRAY are not freed. */
	458	- free ((char *) array);
	459	+ if (array != temp_results)
	460	+ free ((char *) array);
	461	}
	462	}
	463	/* Free the directories. */
[8e00734]	464	@@ -1003,11 +1011,24 @@
	465
	466	/* Just return what glob_vector () returns appended to the
	467	directory name. */
	468	+ /* If flags & GX_ALLDIRS, we're called recursively */
	469	dflags = flags & ~GX_MARKDIRS;
	470	if (directory_len == 0)
	471	dflags \|= GX_NULLDIR;
	472	if ((flags & GX_GLOBSTAR) && filename[0] == '' && filename[1] == '' && filename[2] == '\0')
	473	- dflags \|= GX_ALLDIRS\|GX_ADDCURDIR;
	474	+ {
	475	+ dflags \|= GX_ALLDIRS\|GX_ADDCURDIR;
	476	+#if 0
	477	+ /* If we want all directories (dflags & GX_ALLDIRS) and we're not
	478	+ being called recursively as something like `echo */.o'
	479	+ ((flags & GX_ALLDIRS) == 0), we want to prevent glob_vector from
	480	+ adding a null directory name to the front of the temp_results
	481	+ array. We turn off ADDCURDIR if not called recursively and
	482	+ dlen == 0 */
	483	+#endif
	484	+ if (directory_len == 0 && (flags & GX_ALLDIRS) == 0)
	485	+ dflags &= ~GX_ADDCURDIR;
	486	+ }
	487	temp_results = glob_vector (filename,
	488	(directory_len == 0 ? "." : directory_name),
	489	dflags);
[140d857]	490	diff -Naur bash-4.0.orig/lib/readline/display.c bash-4.0/lib/readline/display.c
	491	--- bash-4.0.orig/lib/readline/display.c 2009-01-04 11:32:32.000000000 -0800
[28428e9]	492	+++ bash-4.0/lib/readline/display.c 2009-09-12 08:23:41.000000000 -0700
[140d857]	493	@@ -512,6 +512,7 @@
	494	/* Block keyboard interrupts because this function manipulates global
	495	data structures. */
	496	_rl_block_sigint ();
	497	+ RL_SETSTATE (RL_STATE_REDISPLAYING);
	498
	499	if (!rl_display_prompt)
	500	rl_display_prompt = "";
[8e00734]	501	@@ -1188,9 +1189,11 @@
	502	if (t < out)
	503	line[t - 1] = '>';
	504
	505	- if (!rl_display_fixed \|\| forced_display \|\| lmargin != last_lmargin)
	506	+ if (rl_display_fixed == 0 \|\| forced_display \|\| lmargin != last_lmargin)
	507	{
	508	forced_display = 0;
	509	+ o_cpos = _rl_last_c_pos;
	510	+ cpos_adjusted = 0;
	511	update_line (&visible_line[last_lmargin],
	512	&invisible_line[lmargin],
	513	0,
	514	@@ -1198,6 +1201,13 @@
	515	_rl_screenwidth + (lmargin ? 0 : wrap_offset),
	516	0);
	517
	518	+ if ((MB_CUR_MAX > 1 && rl_byte_oriented == 0) &&
	519	+ cpos_adjusted == 0 &&
	520	+ _rl_last_c_pos != o_cpos &&
	521	+ _rl_last_c_pos > wrap_offset &&
	522	+ o_cpos < prompt_last_invisible)
	523	+ _rl_last_c_pos -= prompt_invis_chars_first_line; /* XXX - was wrap_offset */
	524	+
	525	/* If the visible new line is shorter than the old, but the number
	526	of invisible characters is greater, and we are at the end of
	527	the new line, we need to clear to eol. */
	528	@@ -1236,6 +1246,7 @@
[140d857]	529	visible_wrap_offset = wrap_offset;
	530	}
	531
	532	+ RL_UNSETSTATE (RL_STATE_REDISPLAYING);
	533	_rl_release_sigint ();
	534	}
	535
[8e00734]	536	@@ -1772,7 +1783,7 @@
[140d857]	537	space_to_eol will insert too many spaces. XXX - maybe we should
	538	adjust col_lendiff based on the difference between _rl_last_c_pos
	539	and _rl_screenwidth */
	540	- if (col_lendiff && (_rl_last_c_pos < _rl_screenwidth))
	541	+ if (col_lendiff && ((MB_CUR_MAX == 1 \|\| rl_byte_oriented) \|\| (_rl_last_c_pos < _rl_screenwidth)))
	542	#endif
	543	{
	544	if (_rl_term_autowrap && current_line < inv_botlin)
[8e00734]	545	@@ -1892,6 +1903,10 @@
[140d857]	546
	547	woff = WRAP_OFFSET (_rl_last_v_pos, wrap_offset);
	548	cpos = _rl_last_c_pos;
	549	+
	550	+ if (cpos == 0 && cpos == new)
	551	+ return;
	552	+
	553	#if defined (HANDLE_MULTIBYTE)
	554	/* If we have multibyte characters, NEW is indexed by the buffer point in
	555	a multibyte string, but _rl_last_c_pos is the display position. In
[8e00734]	556	@@ -1905,9 +1920,9 @@
[140d857]	557	prompt string, since they're both buffer indices and DPOS is a
	558	desired display position. */
	559	if ((new > prompt_last_invisible) \|\| /* XXX - don't use woff here */
	560	- (prompt_physical_chars > _rl_screenwidth &&
	561	+ (prompt_physical_chars >= _rl_screenwidth &&
	562	_rl_last_v_pos == prompt_last_screen_line &&
	563	- wrap_offset >= woff &&
	564	+ wrap_offset >= woff && dpos >= woff &&
	565	new > (prompt_last_invisible-(_rl_screenwidth*_rl_last_v_pos)-wrap_offset)))
	566	/* XXX last comparison might need to be >= */
	567	{
	568	diff -Naur bash-4.0.orig/lib/readline/readline.h bash-4.0/lib/readline/readline.h
	569	--- bash-4.0.orig/lib/readline/readline.h 2009-01-04 11:32:33.000000000 -0800
[28428e9]	570	+++ bash-4.0/lib/readline/readline.h 2009-09-12 08:23:30.000000000 -0700
[140d857]	571	@@ -814,8 +814,9 @@
	572	#define RL_STATE_VIMOTION 0x100000 /* reading vi motion arg */
	573	#define RL_STATE_MULTIKEY 0x200000 /* reading multiple-key command */
	574	#define RL_STATE_VICMDONCE 0x400000 /* entered vi command mode at least once */
	575	+#define RL_STATE_REDISPLAYING 0x800000 /* updating terminal display */
	576
	577	-#define RL_STATE_DONE 0x800000 /* done; accepted line */
	578	+#define RL_STATE_DONE 0x1000000 /* done; accepted line */
	579
	580	#define RL_SETSTATE(x) (rl_readline_state \|= (x))
	581	#define RL_UNSETSTATE(x) (rl_readline_state &= ~(x))
	582	diff -Naur bash-4.0.orig/lib/readline/terminal.c bash-4.0/lib/readline/terminal.c
	583	--- bash-4.0.orig/lib/readline/terminal.c 2009-01-04 11:32:34.000000000 -0800
[28428e9]	584	+++ bash-4.0/lib/readline/terminal.c 2009-09-12 08:23:30.000000000 -0700
[140d857]	585	@@ -355,7 +355,7 @@
	586	_rl_get_screen_size (fileno (rl_instream), 1);
	587	if (CUSTOM_REDISPLAY_FUNC ())
	588	rl_forced_update_display ();
	589	- else
	590	+ else if (RL_ISSTATE(RL_STATE_REDISPLAYING) == 0)
	591	_rl_redisplay_after_sigwinch ();
	592	}
	593	}
	594	diff -Naur bash-4.0.orig/lib/sh/winsize.c bash-4.0/lib/sh/winsize.c
	595	--- bash-4.0.orig/lib/sh/winsize.c 2008-08-12 10:53:51.000000000 -0700
[28428e9]	596	+++ bash-4.0/lib/sh/winsize.c 2009-09-12 08:23:27.000000000 -0700
[140d857]	597	@@ -30,16 +30,29 @@
	598
	599	#include <sys/ioctl.h>
	600
	601	-#if !defined (STRUCT_WINSIZE_IN_SYS_IOCTL)
	602	-/* For struct winsize on SCO */
	603	-/* sys/ptem.h has winsize but needs mblk_t from sys/stream.h */
	604	-# if defined (HAVE_SYS_PTEM_H) && defined (TIOCGWINSZ) && defined (SIGWINCH)
	605	-# if defined (HAVE_SYS_STREAM_H)
	606	-# include <sys/stream.h>
	607	-# endif
	608	+/* Try to find the definitions of `struct winsize' and TIOGCWINSZ */
	609	+
	610	+#if defined (GWINSZ_IN_SYS_IOCTL) && !defined (TIOCGWINSZ)
	611	+# include <sys/ioctl.h>
	612	+#endif /* GWINSZ_IN_SYS_IOCTL && !TIOCGWINSZ */
	613	+
	614	+#if defined (STRUCT_WINSIZE_IN_TERMIOS) && !defined (STRUCT_WINSIZE_IN_SYS_IOCTL)
	615	+# include <termios.h>
	616	+#endif /* STRUCT_WINSIZE_IN_TERMIOS && !STRUCT_WINSIZE_IN_SYS_IOCTL */
	617	+
	618	+/* Not in either of the standard places, look around. */
	619	+#if !defined (STRUCT_WINSIZE_IN_TERMIOS) && !defined (STRUCT_WINSIZE_IN_SYS_IOCTL)
	620	+# if defined (HAVE_SYS_STREAM_H)
	621	+# include <sys/stream.h>
	622	+# endif /* HAVE_SYS_STREAM_H */
	623	+# if defined (HAVE_SYS_PTEM_H) /* SVR4.2, at least, has it here */
	624	# include <sys/ptem.h>
	625	-# endif /* HAVE_SYS_PTEM_H && TIOCGWINSZ && SIGWINCH */
	626	-#endif /* !STRUCT_WINSIZE_IN_SYS_IOCTL */
	627	+# define _IO_PTEM_H /* work around SVR4.2 1.1.4 bug */
	628	+# endif /* HAVE_SYS_PTEM_H */
	629	+# if defined (HAVE_SYS_PTE_H) /* ??? */
	630	+# include <sys/pte.h>
	631	+# endif /* HAVE_SYS_PTE_H */
	632	+#endif /* !STRUCT_WINSIZE_IN_TERMIOS && !STRUCT_WINSIZE_IN_SYS_IOCTL */
	633
	634	#include <stdio.h>
	635
[c822ddc]	636	diff -Naur bash-4.0.orig/parse.y bash-4.0/parse.y
	637	--- bash-4.0.orig/parse.y 2009-01-08 05:29:12.000000000 -0800
[28428e9]	638	+++ bash-4.0/parse.y 2009-09-12 08:23:33.000000000 -0700
[e6b4db2]	639	@@ -1122,7 +1122,7 @@
	640	REDIRECTEE rd;
	641	REDIRECT *r;
	642
	643	- tc = $1;
	644	+ tc = $1->type == cm_simple ? (COMMAND *)$1->value.Simple : $1;
	645	rd.dest = 1;
	646	r = make_redirection (2, r_duplicating_output, rd);
	647	if (tc->redirects)
[c822ddc]	648	@@ -1615,10 +1615,11 @@
	649	{
	650	int *ret;
	651
	652	- ret = (int )xmalloc (3 sizeof (int));
	653	+ ret = (int )xmalloc (4 sizeof (int));
	654	ret[0] = last_read_token;
	655	ret[1] = token_before_that;
	656	ret[2] = two_tokens_ago;
	657	+ ret[3] = current_token;
	658	return ret;
	659	}
	660
	661	@@ -1631,6 +1632,7 @@
	662	last_read_token = ts[0];
	663	token_before_that = ts[1];
	664	two_tokens_ago = ts[2];
	665	+ current_token = ts[3];
	666	}
	667
	668	/*
[e6b4db2]	669	@@ -1877,7 +1879,7 @@
	670	prompt_again ();
	671	ret = read_a_line (remove_quoted_newline);
	672	#if defined (HISTORY)
	673	- if (remember_on_history && (parser_state & PST_HEREDOC))
	674	+ if (ret && remember_on_history && (parser_state & PST_HEREDOC))
	675	{
	676	/* To make adding the the here-document body right, we need to rely
	677	on history_delimiting_chars() returning \n for the first line of
[c822ddc]	678	@@ -2668,6 +2670,7 @@
	679	FREE (word_desc_to_read);
	680	word_desc_to_read = (WORD_DESC *)NULL;
	681
	682	+ current_token = '\n'; /* XXX */
	683	last_read_token = '\n';
	684	token_to_read = '\n';
	685	}
	686	@@ -2915,6 +2918,7 @@
	687	#define P_DQUOTE 0x04
	688	#define P_COMMAND 0x08 /* parsing a command, so look for comments */
	689	#define P_BACKQUOTE 0x10 /* parsing a backquoted command substitution */
	690	+#define P_ARRAYSUB 0x20 /* parsing a [...] array subscript for assignment */
	691
	692	/* Lexical state while parsing a grouping construct or $(...). */
	693	#define LEX_WASDOL 0x001
[973b90d5]	694	@@ -2927,6 +2931,7 @@
	695	#define LEX_INHEREDOC 0x080
	696	#define LEX_HEREDELIM 0x100 /* reading here-doc delimiter */
	697	#define LEX_STRIPDOC 0x200 /* <<- strip tabs from here doc delim */
	698	+#define LEX_INWORD 0x400
	699
	700	#define COMSUB_META(ch) ((ch) == ';' \|\| (ch) == '&' \|\| (ch) == '\|')
	701
	702	@@ -3129,6 +3134,8 @@
[c822ddc]	703	APPEND_NESTRET ();
	704	FREE (nestret);
	705	}
	706	+ else if ((flags & P_ARRAYSUB) && (tflags & LEX_WASDOL) && (ch == '(' \|\| ch == '{' \|\| ch == '[')) /* ) } ] */
	707	+ goto parse_dollar_word;
	708	}
	709	/* Parse an old-style command substitution within double quotes as a
	710	single word. */
[973b90d5]	711	@@ -3145,6 +3152,7 @@
[c822ddc]	712	else if MBTEST(open != '`' && (tflags & LEX_WASDOL) && (ch == '(' \|\| ch == '{' \|\| ch == '[')) /* ) } ] */
	713	/* check for $(), $[], or ${} inside quoted string. */
	714	{
	715	+parse_dollar_word:
	716	if (open == ch) /* undo previous increment */
	717	count--;
	718	if (ch == '(') /* ) */
[973b90d5]	719	@@ -3179,7 +3187,7 @@
	720	int open, close;
	721	int *lenp, flags;
	722	{
	723	- int count, ch, peekc, tflags, lex_rwlen, lex_firstind;
	724	+ int count, ch, peekc, tflags, lex_rwlen, lex_wlen, lex_firstind;
	725	int nestlen, ttranslen, start_lineno;
	726	char ret, nestret, ttrans, heredelim;
	727	int retind, retsize, rflags, hdlen;
	728	@@ -3200,7 +3208,7 @@
	729	retind = 0;
	730
	731	start_lineno = line_number;
	732	- lex_rwlen = 0;
	733	+ lex_rwlen = lex_wlen = 0;
	734
	735	heredelim = 0;
	736	lex_firstind = -1;
	737	@@ -3267,6 +3275,46 @@
	738	continue;
[c822ddc]	739	}
	740
[973b90d5]	741	+ if (tflags & LEX_PASSNEXT) /* last char was backslash */
	742	+ {
	743	+/itrace("parse_comsub:%d: lex_passnext -> 0 ch = `%c' (%d)", line_number, ch, __LINE__);/
	744	+ tflags &= ~LEX_PASSNEXT;
	745	+ if (qc != '\'' && ch == '\n') /* double-quoted \<newline> disappears. */
	746	+ {
	747	+ if (retind > 0)
	748	+ retind--; /* swallow previously-added backslash */
	749	+ continue;
	750	+ }
	751	+
	752	+ RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64);
	753	+ if MBTEST(ch == CTLESC \|\| ch == CTLNUL)
	754	+ ret[retind++] = CTLESC;
	755	+ ret[retind++] = ch;
	756	+ continue;
	757	+ }
	758	+
	759	+ /* If this is a shell break character, we are not in a word. If not,
	760	+ we either start or continue a word. */
	761	+ if MBTEST(shellbreak (ch))
	762	+ {
	763	+ tflags &= ~LEX_INWORD;
	764	+/itrace("parse_comsub:%d: lex_inword -> 0 ch = `%c' (%d)", line_number, ch, __LINE__);/
	765	+ }
	766	+ else
	767	+ {
	768	+ if (tflags & LEX_INWORD)
	769	+ {
	770	+ lex_wlen++;
	771	+/itrace("parse_comsub:%d: lex_inword == 1 ch = `%c' lex_wlen = %d (%d)", line_number, ch, lex_wlen, __LINE__);/
	772	+ }
	773	+ else
	774	+ {
	775	+/itrace("parse_comsub:%d: lex_inword -> 1 ch = `%c' (%d)", line_number, ch, __LINE__);/
	776	+ tflags \|= LEX_INWORD;
	777	+ lex_wlen = 0;
	778	+ }
	779	+ }
	780	+
	781	/* Skip whitespace */
	782	if MBTEST(shellblank (ch) && lex_rwlen == 0)
	783	{
[140d857]	784	@@ -3306,7 +3354,7 @@
	785	}
	786
	787	/* Meta-characters that can introduce a reserved word. Not perfect yet. */
	788	- if MBTEST((tflags & LEX_RESWDOK) == 0 && (tflags & LEX_CKCASE) && (tflags & LEX_INCOMMENT) == 0 && shellmeta(ch))
	789	+ if MBTEST((tflags & LEX_RESWDOK) == 0 && (tflags & LEX_CKCASE) && (tflags & LEX_INCOMMENT) == 0 && (shellmeta(ch) \|\| ch == '\n'))
	790	{
	791	/* Add this character. */
	792	RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
[973b90d5]	793	@@ -3364,9 +3412,21 @@
	794	}
	795	tflags &= ~LEX_RESWDOK;
	796	}
	797	- else if (shellbreak (ch) == 0)
	798	+ else if MBTEST((tflags & LEX_CKCOMMENT) && ch == '#' && (lex_rwlen == 0 \|\| ((tflags & LEX_INWORD) && lex_wlen == 0)))
	799	+ ; /* don't modify LEX_RESWDOK if we're starting a comment */
	800	+ else if MBTEST((tflags & LEX_INCASE) && ch != '\n')
	801	+ /* If we can read a reserved word and we're in case, we're at the
	802	+ point where we can read a new pattern list or an esac. We
	803	+ handle the esac case above. If we read a newline, we want to
	804	+ leave LEX_RESWDOK alone. If we read anything else, we want to
	805	+ turn off LEX_RESWDOK, since we're going to read a pattern list. */
	806	{
	807	- tflags &= ~LEX_RESWDOK;
	808	+ tflags &= ~LEX_RESWDOK;
	809	+/itrace("parse_comsub:%d: lex_incase == 1 found `%c', lex_reswordok -> 0", line_number, ch);/
	810	+}
	811	+ else if MBTEST(shellbreak (ch) == 0)
	812	+{
	813	+ tflags &= ~LEX_RESWDOK;
	814	/itrace("parse_comsub:%d: found `%c', lex_reswordok -> 0", line_number, ch);/
	815	}
	816	}
	817	@@ -3394,36 +3454,23 @@
[c822ddc]	818	}
	819	else
	820	shell_ungetc (peekc);
	821	- tflags \|= LEX_HEREDELIM;
	822	- lex_firstind = -1;
	823	+ if (peekc != '<')
	824	+ {
	825	+ tflags \|= LEX_HEREDELIM;
	826	+ lex_firstind = -1;
	827	+ }
	828	continue;
	829	}
	830	else
[973b90d5]	831	- ch = peekc; /* fall through and continue XXX - this skips comments if peekc == '#' */
	832	+ ch = peekc; /* fall through and continue XXX */
	833	}
	834	- /* Not exactly right yet, should handle shell metacharacters, too. If
	835	- any changes are made to this test, make analogous changes to subst.c:
	836	- extract_delimited_string(). */
	837	- else if MBTEST((tflags & LEX_CKCOMMENT) && (tflags & LEX_INCOMMENT) == 0 && ch == '#' && (retind == 0 \|\| ret[retind-1] == '\n' \|\| shellblank (ret[retind - 1])))
	838	+ else if MBTEST((tflags & LEX_CKCOMMENT) && (tflags & LEX_INCOMMENT) == 0 && ch == '#' && (((tflags & LEX_RESWDOK) && lex_rwlen == 0) \|\| ((tflags & LEX_INWORD) && lex_wlen == 0)))
	839	+{
	840	+/itrace("parse_comsub:%d: lex_incomment -> 1 (%d)", line_number, __LINE__);/
	841	tflags \|= LEX_INCOMMENT;
	842	+}
	843
	844	- if (tflags & LEX_PASSNEXT) /* last char was backslash */
	845	- {
	846	- tflags &= ~LEX_PASSNEXT;
	847	- if (qc != '\'' && ch == '\n') /* double-quoted \<newline> disappears. */
	848	- {
	849	- if (retind > 0)
	850	- retind--; /* swallow previously-added backslash */
	851	- continue;
	852	- }
	853	-
	854	- RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64);
	855	- if MBTEST(ch == CTLESC \|\| ch == CTLNUL)
	856	- ret[retind++] = CTLESC;
	857	- ret[retind++] = ch;
	858	- continue;
	859	- }
	860	- else if MBTEST(ch == CTLESC \|\| ch == CTLNUL) /* special shell escapes */
	861	+ if MBTEST(ch == CTLESC \|\| ch == CTLNUL) /* special shell escapes */
	862	{
	863	RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64);
	864	ret[retind++] = CTLESC;
	865	@@ -4248,7 +4295,7 @@
[c822ddc]	866	((token_index > 0 && assignment_acceptable (last_read_token) && token_is_ident (token, token_index)) \|\|
	867	(token_index == 0 && (parser_state&PST_COMPASSIGN))))
	868	{
	869	- ttok = parse_matched_pair (cd, '[', ']', &ttoklen, 0);
	870	+ ttok = parse_matched_pair (cd, '[', ']', &ttoklen, P_ARRAYSUB);
	871	if (ttok == &matched_pair_error)
	872	return -1; /* Bail immediately. */
	873	RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2,
[973b90d5]	874	@@ -4449,6 +4496,7 @@
[c822ddc]	875	case '}': /* XXX */
	876	case AND_AND:
	877	case BANG:
	878	+ case BAR_AND:
	879	case DO:
	880	case DONE:
	881	case ELIF:
[973b90d5]	882	diff -Naur bash-4.0.orig/patchlevel.h bash-4.0/patchlevel.h
	883	--- bash-4.0.orig/patchlevel.h 2009-01-04 11:32:40.000000000 -0800
[28428e9]	884	+++ bash-4.0/patchlevel.h 2009-09-12 08:23:50.000000000 -0700
[973b90d5]	885	@@ -25,6 +25,6 @@
	886	regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
	887	looks for to find the patch level (for the sccs version string). */
	888
	889	-#define PATCHLEVEL 0
[28428e9]	890	+#define PATCHLEVEL 33
[973b90d5]	891
	892	#endif /* _PATCHLEVEL_H_ */
[c822ddc]	893	diff -Naur bash-4.0.orig/pcomplete.c bash-4.0/pcomplete.c
	894	--- bash-4.0.orig/pcomplete.c 2009-02-01 14:12:31.000000000 -0800
[28428e9]	895	+++ bash-4.0/pcomplete.c 2009-09-12 08:23:02.000000000 -0700
[c822ddc]	896	@@ -1032,6 +1032,7 @@
	897	cmdlist = build_arg_list (funcname, text, lwords, cw);
	898
	899	pps = &ps;
	900	+ save_parser_state (pps);
	901	begin_unwind_frame ("gen-shell-function-matches");
	902	add_unwind_protect (restore_parser_state, (char *)pps);
	903	add_unwind_protect (dispose_words, (char *)cmdlist);
[e6b4db2]	904	diff -Naur bash-4.0.orig/sig.c bash-4.0/sig.c
	905	--- bash-4.0.orig/sig.c 2009-01-04 11:32:41.000000000 -0800
[28428e9]	906	+++ bash-4.0/sig.c 2009-09-12 08:23:22.000000000 -0700
[e6b4db2]	907	@@ -448,6 +448,48 @@
	908	termsig_sighandler (sig)
	909	int sig;
	910	{
	911	+ /* If we get called twice with the same signal before handling it,
	912	+ terminate right away. */
	913	+ if (
	914	+#ifdef SIGHUP
	915	+ sig != SIGHUP &&
	916	+#endif
	917	+#ifdef SIGINT
	918	+ sig != SIGINT &&
	919	+#endif
	920	+#ifdef SIGDANGER
	921	+ sig != SIGDANGER &&
	922	+#endif
	923	+#ifdef SIGPIPE
	924	+ sig != SIGPIPE &&
	925	+#endif
	926	+#ifdef SIGALRM
	927	+ sig != SIGALRM &&
	928	+#endif
	929	+#ifdef SIGTERM
	930	+ sig != SIGTERM &&
	931	+#endif
	932	+#ifdef SIGXCPU
	933	+ sig != SIGXCPU &&
	934	+#endif
	935	+#ifdef SIGXFSZ
	936	+ sig != SIGXFSZ &&
	937	+#endif
	938	+#ifdef SIGVTALRM
	939	+ sig != SIGVTALRM &&
	940	+#endif
	941	+#ifdef SIGLOST
	942	+ sig != SIGLOST &&
	943	+#endif
	944	+#ifdef SIGUSR1
	945	+ sig != SIGUSR1 &&
	946	+#endif
	947	+#ifdef SIGUSR2
	948	+ sig != SIGUSR2 &&
	949	+#endif
	950	+ sig == terminating_signal)
	951	+ terminate_immediately = 1;
	952	+
	953	terminating_signal = sig;
	954
	955	/* XXX - should this also trigger when interrupt_immediately is set? */
[c822ddc]	956	diff -Naur bash-4.0.orig/subst.c bash-4.0/subst.c
	957	--- bash-4.0.orig/subst.c 2009-01-28 11:34:12.000000000 -0800
[28428e9]	958	+++ bash-4.0/subst.c 2009-09-12 08:23:49.000000000 -0700
[e6b4db2]	959	@@ -85,6 +85,7 @@
	960
	961	/* Flags for the `pflags' argument to param_expand() */
	962	#define PF_NOCOMSUB 0x01 /* Do not perform command substitution */
	963	+#define PF_IGNUNBOUND 0x02 /* ignore unbound vars even if -u set */
	964
	965	/* These defs make it easier to use the editor. */
	966	#define LBRACE '{'
	967	@@ -222,6 +223,7 @@
[c822ddc]	968	static int skip_double_quoted __P((char *, size_t, int));
	969	static char extract_delimited_string __P((char , int , char , char , char , int));
	970	static char extract_dollar_brace_string __P((char , int *, int, int));
	971	+static int skip_matched_pair __P((const char *, int, int, int, int));
	972
	973	static char pos_params __P((char , int, int, int));
	974
[e6b4db2]	975	@@ -262,7 +264,7 @@
	976	static int chk_atstar __P((char , int, int , int *));
	977	static int chk_arithsub __P((const char *, int));
	978
	979	-static WORD_DESC parameter_brace_expand_word __P((char , int, int));
	980	+static WORD_DESC parameter_brace_expand_word __P((char , int, int, int));
	981	static WORD_DESC parameter_brace_expand_indir __P((char , int, int, int , int ));
	982	static WORD_DESC parameter_brace_expand_rhs __P((char , char , int, int, int , int *));
	983	static void parameter_brace_expand_error __P((char , char ));
	984	@@ -1374,6 +1376,107 @@
[c822ddc]	985
	986	#define CQ_RETURN(x) do { no_longjmp_on_fatal_error = 0; return (x); } while (0)
	987
	988	+/* This function assumes s[i] == open; returns with s[ret] == close; used to
	989	+ parse array subscripts. FLAGS currently unused. */
	990	+static int
	991	+skip_matched_pair (string, start, open, close, flags)
	992	+ const char *string;
	993	+ int start, open, close, flags;
	994	+{
	995	+ int i, pass_next, backq, si, c, count;
	996	+ size_t slen;
	997	+ char temp, ss;
	998	+ DECLARE_MBSTATE;
	999	+
	1000	+ slen = strlen (string + start) + start;
	1001	+ no_longjmp_on_fatal_error = 1;
	1002	+
	1003	+ i = start + 1; /* skip over leading bracket */
	1004	+ count = 1;
	1005	+ pass_next = backq = 0;
	1006	+ ss = (char *)string;
	1007	+ while (c = string[i])
	1008	+ {
	1009	+ if (pass_next)
	1010	+ {
	1011	+ pass_next = 0;
	1012	+ if (c == 0)
	1013	+ CQ_RETURN(i);
	1014	+ ADVANCE_CHAR (string, slen, i);
	1015	+ continue;
	1016	+ }
	1017	+ else if (c == '\\')
	1018	+ {
	1019	+ pass_next = 1;
	1020	+ i++;
	1021	+ continue;
	1022	+ }
	1023	+ else if (backq)
	1024	+ {
	1025	+ if (c == '`')
	1026	+ backq = 0;
	1027	+ ADVANCE_CHAR (string, slen, i);
	1028	+ continue;
	1029	+ }
	1030	+ else if (c == '`')
	1031	+ {
	1032	+ backq = 1;
	1033	+ i++;
	1034	+ continue;
	1035	+ }
	1036	+ else if (c == open)
	1037	+ {
	1038	+ count++;
	1039	+ i++;
	1040	+ continue;
	1041	+ }
	1042	+ else if (c == close)
	1043	+ {
	1044	+ count--;
	1045	+ if (count == 0)
	1046	+ break;
	1047	+ i++;
	1048	+ continue;
	1049	+ }
	1050	+ else if (c == '\'' \|\| c == '"')
	1051	+ {
	1052	+ i = (c == '\'') ? skip_single_quoted (ss, slen, ++i)
	1053	+ : skip_double_quoted (ss, slen, ++i);
	1054	+ /* no increment, the skip functions increment past the closing quote. */
	1055	+ }
	1056	+ else if (c == '$' && (string[i+1] == LPAREN \|\| string[i+1] == LBRACE))
	1057	+ {
	1058	+ si = i + 2;
	1059	+ if (string[si] == '\0')
	1060	+ CQ_RETURN(si);
	1061	+
	1062	+ if (string[i+1] == LPAREN)
	1063	+ temp = extract_delimited_string (ss, &si, "$(", "(", ")", SX_NOALLOC\|SX_COMMAND); /* ) */
	1064	+ else
	1065	+ temp = extract_dollar_brace_string (ss, &si, 0, SX_NOALLOC);
	1066	+ i = si;
	1067	+ if (string[i] == '\0') /* don't increment i past EOS in loop */
	1068	+ break;
	1069	+ i++;
	1070	+ continue;
	1071	+ }
	1072	+ else
	1073	+ ADVANCE_CHAR (string, slen, i);
	1074	+ }
	1075	+
	1076	+ CQ_RETURN(i);
	1077	+}
	1078	+
	1079	+#if defined (ARRAY_VARS)
	1080	+int
	1081	+skipsubscript (string, start)
	1082	+ const char *string;
	1083	+ int start;
	1084	+{
	1085	+ return (skip_matched_pair (string, start, '[', ']', 0));
	1086	+}
	1087	+#endif
	1088	+
	1089	/* Skip characters in STRING until we find a character in DELIMS, and return
	1090	the index of that character. START is the index into string at which we
	1091	begin. This is similar in spirit to strpbrk, but it returns an index into
[e6b4db2]	1092	@@ -5093,9 +5196,9 @@
	1093	the shell, e.g., "@", "$", "*", etc. QUOTED, if non-zero, means that
	1094	NAME was found inside of a double-quoted expression. */
	1095	static WORD_DESC *
	1096	-parameter_brace_expand_word (name, var_is_special, quoted)
	1097	+parameter_brace_expand_word (name, var_is_special, quoted, pflags)
	1098	char *name;
	1099	- int var_is_special, quoted;
	1100	+ int var_is_special, quoted, pflags;
	1101	{
	1102	WORD_DESC *ret;
	1103	char temp, tt;
	1104	@@ -5127,7 +5230,7 @@
	1105	strcpy (tt + 1, name);
	1106
	1107	ret = param_expand (tt, &sindex, quoted, (int )NULL, (int )NULL,
	1108	- (int )NULL, (int )NULL, 0);
	1109	+ (int )NULL, (int )NULL, pflags);
	1110	free (tt);
	1111	}
	1112	#if defined (ARRAY_VARS)
	1113	@@ -5188,7 +5291,7 @@
	1114	char temp, t;
	1115	WORD_DESC *w;
	1116
	1117	- w = parameter_brace_expand_word (name, var_is_special, quoted);
	1118	+ w = parameter_brace_expand_word (name, var_is_special, quoted, PF_IGNUNBOUND);
	1119	t = w->word;
	1120	/* Have to dequote here if necessary */
	1121	if (t)
	1122	@@ -5205,7 +5308,7 @@
	1123	if (t == 0)
	1124	return (WORD_DESC *)NULL;
	1125
	1126	- w = parameter_brace_expand_word (t, SPECIAL_VAR(t, 0), quoted);
	1127	+ w = parameter_brace_expand_word (t, SPECIAL_VAR(t, 0), quoted, 0);
	1128	free (t);
	1129
	1130	return w;
[28428e9]	1131	@@ -6503,7 +6606,7 @@
	1132	*contains_dollar_at = 1;
	1133	}
	1134	free (x);
	1135	- free (xlist);
	1136	+ dispose_words (xlist);
	1137	free (temp1);
	1138	*indexp = sindex;
	1139
[e6b4db2]	1140	@@ -6556,7 +6659,7 @@
	1141	if (want_indir)
	1142	tdesc = parameter_brace_expand_indir (name + 1, var_is_special, quoted, quoted_dollar_atp, contains_dollar_at);
	1143	else
	1144	- tdesc = parameter_brace_expand_word (name, var_is_special, quoted);
	1145	+ tdesc = parameter_brace_expand_word (name, var_is_special, quoted, PF_IGNUNBOUND);
	1146
	1147	if (tdesc)
	1148	{
[8e00734]	1149	@@ -6664,13 +6767,13 @@
	1150	return &expand_wdesc_error;
	1151
	1152	case RBRACE:
	1153	- if (var_is_set == 0 && unbound_vars_is_error)
	1154	+ if (var_is_set == 0 && unbound_vars_is_error && ((name[0] != '@' && name[0] != '*') \|\| name[1]))
	1155	{
	1156	+ last_command_exit_value = EXECUTION_FAILURE;
	1157	err_unboundvar (name);
	1158	FREE (value);
	1159	FREE (temp);
	1160	free (name);
	1161	- last_command_exit_value = EXECUTION_FAILURE;
	1162	return (interactive_shell ? &expand_wdesc_error : &expand_wdesc_fatal);
	1163	}
	1164	break;
	1165	@@ -6887,15 +6990,25 @@
[e6b4db2]	1166	case '': / `$' /
	1167	list = list_rest_of_args ();
	1168
	1169	- if (list == 0 && unbound_vars_is_error)
[8e00734]	1170	+#if 0
	1171	+ /* According to austin-group posix proposal by Geoff Clare in
	1172	+ <20090505091501.GA10097@squonk.masqnet> of 5 May 2009:
	1173	+
	1174	+ "The shell shall write a message to standard error and
	1175	+ immediately exit when it tries to expand an unset parameter
	1176	+ other than the '@' and '*' special parameters."
	1177	+ */
	1178	+
[e6b4db2]	1179	+ if (list == 0 && unbound_vars_is_error && (pflags & PF_IGNUNBOUND) == 0)
	1180	{
	1181	uerror[0] = '$';
	1182	uerror[1] = '*';
[8e00734]	1183	uerror[2] = '\0';
	1184	- err_unboundvar (uerror);
	1185	last_command_exit_value = EXECUTION_FAILURE;
	1186	+ err_unboundvar (uerror);
	1187	return (interactive_shell ? &expand_wdesc_error : &expand_wdesc_fatal);
	1188	}
	1189	+#endif
	1190
	1191	/* If there are no command-line arguments, this should just
	1192	disappear if there are other characters in the expansion,
	1193	@@ -6949,15 +7062,25 @@
[e6b4db2]	1194	case '@': /* `$@' */
	1195	list = list_rest_of_args ();
	1196
	1197	- if (list == 0 && unbound_vars_is_error)
[8e00734]	1198	+#if 0
	1199	+ /* According to austin-group posix proposal by Geoff Clare in
	1200	+ <20090505091501.GA10097@squonk.masqnet> of 5 May 2009:
	1201	+
	1202	+ "The shell shall write a message to standard error and
	1203	+ immediately exit when it tries to expand an unset parameter
	1204	+ other than the '@' and '*' special parameters."
	1205	+ */
	1206	+
[e6b4db2]	1207	+ if (list == 0 && unbound_vars_is_error && (pflags & PF_IGNUNBOUND) == 0)
	1208	{
	1209	uerror[0] = '$';
	1210	uerror[1] = '@';
[8e00734]	1211	uerror[2] = '\0';
	1212	- err_unboundvar (uerror);
	1213	last_command_exit_value = EXECUTION_FAILURE;
	1214	+ err_unboundvar (uerror);
	1215	return (interactive_shell ? &expand_wdesc_error : &expand_wdesc_fatal);
	1216	}
	1217	+#endif
	1218
	1219	/* We want to flag the fact that we saw this. We can't turn
	1220	off quoting entirely, because other characters in the
[e6b4db2]	1221	diff -Naur bash-4.0.orig/trap.c bash-4.0/trap.c
	1222	--- bash-4.0.orig/trap.c 2009-01-16 14:07:53.000000000 -0800
[28428e9]	1223	+++ bash-4.0/trap.c 2009-09-12 08:23:29.000000000 -0700
[e6b4db2]	1224	@@ -755,7 +755,7 @@
	1225	}
	1226
	1227	flags = SEVAL_NONINT\|SEVAL_NOHIST;
	1228	- if (sig != DEBUG_TRAP && sig != RETURN_TRAP)
	1229	+ if (sig != DEBUG_TRAP && sig != RETURN_TRAP && sig != ERROR_TRAP)
	1230	flags \|= SEVAL_RESETLINE;
	1231	if (function_code == 0)
	1232	parse_and_execute (trap_command, tag, flags);
[140d857]	1233	@@ -798,12 +798,36 @@
	1234	run_debug_trap ()
	1235	{
	1236	int trap_exit_value;
	1237	+ pid_t save_pgrp;
	1238	+ int save_pipe[2];
	1239
	1240	/* XXX - question: should the DEBUG trap inherit the RETURN trap? */
	1241	trap_exit_value = 0;
	1242	if ((sigmodes[DEBUG_TRAP] & SIG_TRAPPED) && ((sigmodes[DEBUG_TRAP] & SIG_IGNORED) == 0) && ((sigmodes[DEBUG_TRAP] & SIG_INPROGRESS) == 0))
	1243	{
	1244	+#if defined (JOB_CONTROL)
	1245	+ save_pgrp = pipeline_pgrp;
	1246	+ pipeline_pgrp = 0;
	1247	+ save_pipeline (1);
	1248	+# if defined (PGRP_PIPE)
	1249	+ save_pgrp_pipe (save_pipe, 1);
	1250	+# endif
	1251	+ stop_making_children ();
	1252	+#endif
	1253	+
	1254	trap_exit_value = _run_trap_internal (DEBUG_TRAP, "debug trap");
	1255	+
	1256	+#if defined (JOB_CONTROL)
	1257	+ pipeline_pgrp = save_pgrp;
	1258	+ restore_pipeline (1);
	1259	+# if defined (PGRP_PIPE)
	1260	+ close_pgrp_pipe ();
	1261	+ restore_pgrp_pipe (save_pipe);
	1262	+# endif
	1263	+ if (pipeline_pgrp > 0)
	1264	+ give_terminal_to (pipeline_pgrp, 1);
	1265	+ notify_and_cleanup ();
	1266	+#endif
	1267
	1268	#if defined (DEBUGGER)
	1269	/* If we're in the debugger and the DEBUG trap returns 2 while we're in
[28428e9]	1270	diff -Naur bash-4.0.orig/variables.c bash-4.0/variables.c
	1271	--- bash-4.0.orig/variables.c 2009-01-04 11:32:46.000000000 -0800
	1272	+++ bash-4.0/variables.c 2009-09-12 08:23:47.000000000 -0700
	1273	@@ -252,6 +252,7 @@
	1274
	1275	static int visible_var __P((SHELL_VAR *));
	1276	static int visible_and_exported __P((SHELL_VAR *));
	1277	+static int export_environment_candidate __P((SHELL_VAR *));
	1278	static int local_and_exported __P((SHELL_VAR *));
	1279	static int variable_in_context __P((SHELL_VAR *));
	1280	#if defined (ARRAY_VARS)
	1281	@@ -375,10 +376,17 @@
	1282	}
	1283	# endif
	1284	#endif
	1285	+#if 0
	1286	else if (legal_identifier (name))
	1287	+#else
	1288	+ else
	1289	+#endif
	1290	{
	1291	temp_var = bind_variable (name, string, 0);
	1292	- VSETATTR (temp_var, (att_exported \| att_imported));
	1293	+ if (legal_identifier (name))
	1294	+ VSETATTR (temp_var, (att_exported \| att_imported));
	1295	+ else
	1296	+ VSETATTR (temp_var, (att_exported \| att_imported \| att_invisible));
	1297	array_needs_making = 1;
	1298	}
	1299
	1300	@@ -2209,7 +2217,7 @@
	1301	}
	1302	else if (assoc_p (entry))
	1303	{
	1304	- assoc_insert (assoc_cell (entry), "0", newval);
	1305	+ assoc_insert (assoc_cell (entry), savestring ("0"), newval);
	1306	free (newval);
	1307	}
	1308	else
	1309	@@ -3082,6 +3090,16 @@
	1310	return (invisible_p (var) == 0 && exported_p (var));
	1311	}
	1312
	1313	+/* Candidate variables for the export environment are either valid variables
	1314	+ with the export attribute or invalid variables inherited from the initial
	1315	+ environment and simply passed through. */
	1316	+static int
	1317	+export_environment_candidate (var)
	1318	+ SHELL_VAR *var;
	1319	+{
	1320	+ return (exported_p (var) && (invisible_p (var) == 0 \|\| imported_p (var)));
	1321	+}
	1322	+
	1323	/* Return non-zero if VAR is a local variable in the current context and
	1324	is exported. */
	1325	static int
	1326	@@ -3438,7 +3456,11 @@
	1327	char **list;
	1328	SHELL_VAR **vars;
	1329
	1330	+#if 0
	1331	vars = map_over (visible_and_exported, vcxt);
	1332	+#else
	1333	+ vars = map_over (export_environment_candidate, vcxt);
	1334	+#endif
	1335
	1336	if (vars == 0)
	1337	return (char **)NULL;

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