core/bash/bash-3.1-001-017.patch
2006-05-26 20:44:28 +00:00

724 lines
23 KiB
Diff

Submitted By: Jeremy Huntwork (jhuntwork at linuxfromscratch dot org)
Date: 2006-04-11
Initial Package Version: 3.1
Origin: http://ftp.gnu.org/gnu/bash/bash-3.1-patches/
Upstream Status: From Upstream
Description: Contains patches 001-017 from upstream
diff -Naur bash-3.1.orig/arrayfunc.c bash-3.1/arrayfunc.c
--- bash-3.1.orig/arrayfunc.c 2005-07-04 17:25:58.000000000 -0700
+++ bash-3.1/arrayfunc.c 2006-04-19 15:59:29.000000000 -0700
@@ -592,11 +592,7 @@
exp = (char *)xmalloc (len);
strncpy (exp, s, len - 1);
exp[len - 1] = '\0';
-#if 0
- t = expand_string_to_string (exp, 0);
-#else
- t = expand_string_to_string (exp, Q_DOUBLE_QUOTES);
-#endif
+ t = expand_arith_string (exp, 0);
this_command_name = (char *)NULL;
val = evalexp (t, &expok);
free (t);
diff -Naur bash-3.1.orig/doc/bash.1 bash-3.1/doc/bash.1
--- bash-3.1.orig/doc/bash.1 2005-10-12 08:40:52.000000000 -0700
+++ bash-3.1/doc/bash.1 2006-04-19 15:58:34.000000000 -0700
@@ -6,12 +6,12 @@
.\" Case Western Reserve University
.\" chet@po.cwru.edu
.\"
-.\" Last Change: Sat Aug 27 13:28:44 EDT 2005
+.\" Last Change: Wed Dec 28 19:58:45 EST 2005
.\"
.\" bash_builtins, strip all but Built-Ins section
.if \n(zZ=1 .ig zZ
.if \n(zY=1 .ig zY
-.TH BASH 1 "2005 Aug 27" "GNU Bash-3.1-beta1"
+.TH BASH 1 "2005 Dec 28" "GNU Bash-3.1"
.\"
.\" There's some problem with having a `@'
.\" in a tagged paragraph with the BSD man macros.
@@ -677,8 +677,8 @@
.B nocasematch
is enabled, the match is performed without regard to the case
of alphabetic characters.
-The return value is 0 if the string matches or does not match
-the pattern, respectively, and 1 otherwise.
+The return value is 0 if the string matches (\fB==\fP) or does not match
+(\fB!=\fP) the pattern, and 1 otherwise.
Any part of the pattern may be quoted to force it to be matched as a
string.
.if t .sp 0.5
@@ -807,6 +807,12 @@
as for pathname expansion (see
.B Pathname Expansion
below).
+The \fIword\fP is expanded using tilde
+expansion, parameter and variable expansion, arithmetic substituion,
+command substitution, process substitution and quote removal.
+Each \fIpattern\fP examined is expanded using tilde
+expansion, parameter and variable expansion, arithmetic substituion,
+command substitution, and process substitution.
If the shell option
.B nocasematch
is enabled, the match is performed without regard to the case
@@ -8484,7 +8490,7 @@
returns true if any of the arguments are found, false if
none are found.
.TP
-\fBulimit\fP [\fB\-SHacdflmnpstuv\fP [\fIlimit\fP]]
+\fBulimit\fP [\fB\-SHacdfilmnpqstuvx\fP [\fIlimit\fP]]
Provides control over the resources available to the shell and to
processes started by it, on systems that allow such control.
The \fB\-H\fP and \fB\-S\fP options specify that the hard or soft limit is
@@ -8523,6 +8529,9 @@
.B \-f
The maximum size of files created by the shell
.TP
+.B \-i
+The maximum number of pending signals
+.TP
.B \-l
The maximum size that may be locked into memory
.TP
@@ -8536,6 +8545,9 @@
.B \-p
The pipe size in 512-byte blocks (this may not be set)
.TP
+.B \-q
+The maximum number of bytes in POSIX message queues
+.TP
.B \-s
The maximum stack size
.TP
@@ -8547,6 +8559,9 @@
.TP
.B \-v
The maximum amount of virtual memory available to the shell
+.TP
+.B \-x
+The maximum number of file locks
.PD
.PP
If
diff -Naur bash-3.1.orig/doc/bashref.texi bash-3.1/doc/bashref.texi
--- bash-3.1.orig/doc/bashref.texi 2005-10-03 12:07:21.000000000 -0700
+++ bash-3.1/doc/bashref.texi 2006-04-19 15:58:34.000000000 -0700
@@ -961,8 +961,8 @@
(see the description of @code{shopt} in @ref{Bash Builtins})
is enabled, the match is performed without regard to the case
of alphabetic characters.
-The return value is 0 if the string matches or does not match
-the pattern, respectively, and 1 otherwise.
+The return value is 0 if the string matches (@samp{==}) or does not
+match (@samp{!=})the pattern, and 1 otherwise.
Any part of the pattern may be quoted to force it to be matched as a
string.
@@ -2598,7 +2598,7 @@
Builtin commands are necessary to implement functionality impossible
or inconvenient to obtain with separate utilities.
-This section briefly the builtins which Bash inherits from
+This section briefly describes the builtins which Bash inherits from
the Bourne Shell, as well as the builtin commands which are unique
to or have been extended in Bash.
@@ -3833,7 +3833,7 @@
@item ulimit
@btindex ulimit
@example
-ulimit [-acdflmnpstuvSH] [@var{limit}]
+ulimit [-acdfilmnpqstuvxSH] [@var{limit}]
@end example
@code{ulimit} provides control over the resources available to processes
started by the shell, on systems that allow such control. If an
@@ -3857,6 +3857,9 @@
@item -f
The maximum size of files created by the shell.
+@item -i
+The maximum number of pending signals.
+
@item -l
The maximum size that may be locked into memory.
@@ -3869,6 +3872,9 @@
@item -p
The pipe buffer size.
+@item -q
+The maximum number of bytes in POSIX message queues.
+
@item -s
The maximum stack size.
@@ -3881,6 +3887,9 @@
@item -v
The maximum amount of virtual memory available to the process.
+@item -x
+The maximum number of file locks.
+
@end table
If @var{limit} is given, it is the new value of the specified resource;
@@ -4089,8 +4098,8 @@
Print shell input lines as they are read.
@item -x
-Print a trace of simple commands, \fBfor\fP commands, \fBcase\fP
-commands, \fBselect\fP commands, and arithmetic \fBfor\fP commands
+Print a trace of simple commands, @code{for} commands, @code{case}
+commands, @code{select} commands, and arithmetic @code{for} commands
and their arguments or associated word lists after they are
expanded and before they are executed. The value of the @env{PS4}
variable is expanded and the resultant value is printed before
diff -Naur bash-3.1.orig/doc/version.texi bash-3.1/doc/version.texi
--- bash-3.1.orig/doc/version.texi 2005-09-20 11:52:56.000000000 -0700
+++ bash-3.1/doc/version.texi 2006-04-19 15:58:34.000000000 -0700
@@ -2,9 +2,9 @@
Copyright (C) 1988-2005 Free Software Foundation, Inc.
@end ignore
-@set LASTCHANGE Mon Sep 5 11:47:04 EDT 2005
+@set LASTCHANGE Fri Dec 30 10:50:51 EST 2005
-@set EDITION 3.1-beta1
-@set VERSION 3.1-beta1
-@set UPDATED 5 September 2005
-@set UPDATED-MONTH September 2005
+@set EDITION 3.1
+@set VERSION 3.1
+@set UPDATED 30 December 2005
+@set UPDATED-MONTH December 2005
diff -Naur bash-3.1.orig/jobs.c bash-3.1/jobs.c
--- bash-3.1.orig/jobs.c 2005-11-11 20:13:27.000000000 -0800
+++ bash-3.1/jobs.c 2006-04-19 15:58:34.000000000 -0700
@@ -619,8 +619,11 @@
* once in the parent and once in each child. This is where
* the parent gives it away.
*
+ * Don't give the terminal away if this shell is an asynchronous
+ * subshell.
+ *
*/
- if (job_control && newjob->pgrp)
+ if (job_control && newjob->pgrp && (subshell_environment&SUBSHELL_ASYNC) == 0)
give_terminal_to (newjob->pgrp, 0);
}
}
@@ -844,9 +847,10 @@
realloc_jobs_list ()
{
sigset_t set, oset;
- int nsize, i, j;
+ int nsize, i, j, ncur, nprev;
JOB **nlist;
+ ncur = nprev = NO_JOB;
nsize = ((js.j_njobs + JOB_SLOTS - 1) / JOB_SLOTS);
nsize *= JOB_SLOTS;
i = js.j_njobs % JOB_SLOTS;
@@ -854,17 +858,51 @@
nsize += JOB_SLOTS;
BLOCK_CHILD (set, oset);
- nlist = (JOB **) xmalloc (nsize * sizeof (JOB *));
+ nlist = (js.j_jobslots == nsize) ? jobs : (JOB **) xmalloc (nsize * sizeof (JOB *));
+
for (i = j = 0; i < js.j_jobslots; i++)
if (jobs[i])
- nlist[j++] = jobs[i];
+ {
+ if (i == js.j_current)
+ ncur = j;
+ if (i == js.j_previous)
+ nprev = j;
+ nlist[j++] = jobs[i];
+ }
+
+#if defined (DEBUG)
+ itrace ("realloc_jobs_list: resize jobs list from %d to %d", js.j_jobslots, nsize);
+ itrace ("realloc_jobs_list: j_lastj changed from %d to %d", js.j_lastj, (j > 0) ? j - 1 : 0);
+ itrace ("realloc_jobs_list: j_njobs changed from %d to %d", js.j_njobs, (j > 0) ? j - 1 : 0);
+#endif
js.j_firstj = 0;
- js.j_lastj = (j > 0) ? j - 1: 0;
+ js.j_lastj = (j > 0) ? j - 1 : 0;
+ js.j_njobs = j;
js.j_jobslots = nsize;
- free (jobs);
- jobs = nlist;
+ /* Zero out remaining slots in new jobs list */
+ for ( ; j < nsize; j++)
+ nlist[j] = (JOB *)NULL;
+
+ if (jobs != nlist)
+ {
+ free (jobs);
+ jobs = nlist;
+ }
+
+ if (ncur != NO_JOB)
+ js.j_current = ncur;
+ if (nprev != NO_JOB)
+ js.j_previous = nprev;
+
+ /* Need to reset these */
+ if (js.j_current == NO_JOB || js.j_previous == NO_JOB || js.j_current > js.j_lastj || js.j_previous > js.j_lastj)
+ reset_current ();
+
+#ifdef DEBUG
+ itrace ("realloc_jobs_list: reset js.j_current (%d) and js.j_previous (%d)", js.j_current, js.j_previous);
+#endif
UNBLOCK_CHILD (oset);
}
@@ -1655,7 +1693,7 @@
In this case, we don't want to give the terminal to the
shell's process group (we could be in the middle of a
pipeline, for example). */
- if (async_p == 0 && pipeline_pgrp != shell_pgrp)
+ if (async_p == 0 && pipeline_pgrp != shell_pgrp && ((subshell_environment&SUBSHELL_ASYNC) == 0))
give_terminal_to (pipeline_pgrp, 0);
#if defined (PGRP_PIPE)
@@ -2198,7 +2236,11 @@
/* This is possibly a race condition -- should it go in stop_pipeline? */
wait_sigint_received = 0;
if (job_control == 0)
- old_sigint_handler = set_signal_handler (SIGINT, wait_sigint_handler);
+ {
+ old_sigint_handler = set_signal_handler (SIGINT, wait_sigint_handler);
+ if (old_sigint_handler == SIG_IGN)
+ set_signal_handler (SIGINT, old_sigint_handler);
+ }
termination_state = last_command_exit_value;
diff -Naur bash-3.1.orig/lib/glob/glob.c bash-3.1/lib/glob/glob.c
--- bash-3.1.orig/lib/glob/glob.c 2005-03-24 09:42:27.000000000 -0800
+++ bash-3.1/lib/glob/glob.c 2006-04-19 15:58:34.000000000 -0700
@@ -360,6 +360,7 @@
count = lose = skip = 0;
firstmalloc = 0;
+ nalloca = 0;
/* If PAT is empty, skip the loop, but return one (empty) filename. */
if (pat == 0 || *pat == '\0')
@@ -546,6 +547,8 @@
firstmalloc = 0;
tmplink = lastlink;
}
+ else
+ tmplink = 0;
free (lastlink->name);
lastlink = lastlink->next;
FREE (tmplink);
diff -Naur bash-3.1.orig/lib/glob/sm_loop.c bash-3.1/lib/glob/sm_loop.c
--- bash-3.1.orig/lib/glob/sm_loop.c 2005-10-16 18:21:04.000000000 -0700
+++ bash-3.1/lib/glob/sm_loop.c 2006-04-19 15:58:34.000000000 -0700
@@ -638,12 +638,13 @@
CHAR *psub; /* pointer to sub-pattern */
CHAR *pnext; /* pointer to next sub-pattern */
CHAR *srest; /* pointer to rest of string */
- int m1, m2;
+ int m1, m2, xflags; /* xflags = flags passed to recursive matches */
#if DEBUG_MATCHING
fprintf(stderr, "extmatch: xc = %c\n", xc);
fprintf(stderr, "extmatch: s = %s; se = %s\n", s, se);
fprintf(stderr, "extmatch: p = %s; pe = %s\n", p, pe);
+fprintf(stderr, "extmatch: flags = %d\n", flags);
#endif
prest = PATSCAN (p + (*p == L('(')), pe, 0); /* ) */
@@ -677,8 +678,12 @@
string matches the rest of the pattern. Also handle
multiple matches of the pattern. */
if (m1)
- m2 = (GMATCH (srest, se, prest, pe, flags) == 0) ||
- (s != srest && GMATCH (srest, se, p - 1, pe, flags) == 0);
+ {
+ /* if srest > s, we are not at start of string */
+ xflags = (srest > s) ? (flags & ~FNM_PERIOD) : flags;
+ m2 = (GMATCH (srest, se, prest, pe, xflags) == 0) ||
+ (s != srest && GMATCH (srest, se, p - 1, pe, xflags) == 0);
+ }
if (m1 && m2)
return (0);
}
@@ -704,8 +709,10 @@
srest = (prest == pe) ? se : s;
for ( ; srest <= se; srest++)
{
+ /* if srest > s, we are not at start of string */
+ xflags = (srest > s) ? (flags & ~FNM_PERIOD) : flags;
if (GMATCH (s, srest, psub, pnext - 1, flags) == 0 &&
- GMATCH (srest, se, prest, pe, flags) == 0)
+ GMATCH (srest, se, prest, pe, xflags) == 0)
return (0);
}
if (pnext == prest)
@@ -726,7 +733,9 @@
if (pnext == prest)
break;
}
- if (m1 == 0 && GMATCH (srest, se, prest, pe, flags) == 0)
+ /* if srest > s, we are not at start of string */
+ xflags = (srest > s) ? (flags & ~FNM_PERIOD) : flags;
+ if (m1 == 0 && GMATCH (srest, se, prest, pe, xflags) == 0)
return (0);
}
return (FNM_NOMATCH);
diff -Naur bash-3.1.orig/lib/readline/display.c bash-3.1/lib/readline/display.c
--- bash-3.1.orig/lib/readline/display.c 2005-11-30 11:05:02.000000000 -0800
+++ bash-3.1/lib/readline/display.c 2006-04-19 15:58:34.000000000 -0700
@@ -1983,11 +1983,15 @@
int pchar;
{
int len;
- char *pmt;
+ char *pmt, *p;
rl_save_prompt ();
- if (saved_local_prompt == 0)
+ /* We've saved the prompt, and can do anything with the various prompt
+ strings we need before they're restored. We want the unexpanded
+ portion of the prompt string after any final newline. */
+ p = rl_prompt ? strrchr (rl_prompt, '\n') : 0;
+ if (p == 0)
{
len = (rl_prompt && *rl_prompt) ? strlen (rl_prompt) : 0;
pmt = (char *)xmalloc (len + 2);
@@ -1998,19 +2002,17 @@
}
else
{
- len = *saved_local_prompt ? strlen (saved_local_prompt) : 0;
+ p++;
+ len = strlen (p);
pmt = (char *)xmalloc (len + 2);
if (len)
- strcpy (pmt, saved_local_prompt);
+ strcpy (pmt, p);
pmt[len] = pchar;
pmt[len+1] = '\0';
- local_prompt = savestring (pmt);
- prompt_last_invisible = saved_last_invisible;
- prompt_visible_length = saved_visible_length + 1;
- }
+ }
+ /* will be overwritten by expand_prompt, called from rl_message */
prompt_physical_chars = saved_physical_chars + 1;
-
return pmt;
}
diff -Naur bash-3.1.orig/lib/readline/readline.c bash-3.1/lib/readline/readline.c
--- bash-3.1.orig/lib/readline/readline.c 2005-07-04 19:29:35.000000000 -0700
+++ bash-3.1/lib/readline/readline.c 2006-04-19 15:58:34.000000000 -0700
@@ -282,6 +282,7 @@
{
FREE (rl_prompt);
rl_prompt = prompt ? savestring (prompt) : (char *)NULL;
+ rl_display_prompt = rl_prompt ? rl_prompt : "";
rl_visible_prompt_length = rl_expand_prompt (rl_prompt);
return 0;
diff -Naur bash-3.1.orig/lib/readline/terminal.c bash-3.1/lib/readline/terminal.c
--- bash-3.1.orig/lib/readline/terminal.c 2005-11-12 17:46:54.000000000 -0800
+++ bash-3.1/lib/readline/terminal.c 2006-04-19 15:58:34.000000000 -0700
@@ -122,7 +122,7 @@
static char *_rl_visible_bell;
/* Non-zero means the terminal can auto-wrap lines. */
-int _rl_term_autowrap;
+int _rl_term_autowrap = -1;
/* Non-zero means that this terminal has a meta key. */
static int term_has_meta;
@@ -274,6 +274,9 @@
_rl_set_screen_size (rows, cols)
int rows, cols;
{
+ if (_rl_term_autowrap == -1)
+ _rl_init_terminal_io (rl_terminal_name);
+
if (rows > 0)
_rl_screenheight = rows;
if (cols > 0)
diff -Naur bash-3.1.orig/parse.y bash-3.1/parse.y
--- bash-3.1.orig/parse.y 2005-11-11 20:14:18.000000000 -0800
+++ bash-3.1/parse.y 2006-04-19 15:58:34.000000000 -0700
@@ -2716,6 +2716,7 @@
#define P_ALLOWESC 0x02
#define P_DQUOTE 0x04
#define P_COMMAND 0x08 /* parsing a command, so look for comments */
+#define P_BACKQUOTE 0x10 /* parsing a backquoted command substitution */
static char matched_pair_error;
static char *
@@ -2725,12 +2726,12 @@
int *lenp, flags;
{
int count, ch, was_dollar, in_comment, check_comment;
- int pass_next_character, nestlen, ttranslen, start_lineno;
+ int pass_next_character, backq_backslash, nestlen, ttranslen, start_lineno;
char *ret, *nestret, *ttrans;
int retind, retsize, rflags;
count = 1;
- pass_next_character = was_dollar = in_comment = 0;
+ pass_next_character = backq_backslash = was_dollar = in_comment = 0;
check_comment = (flags & P_COMMAND) && qc != '\'' && qc != '"' && (flags & P_DQUOTE) == 0;
/* RFLAGS is the set of flags we want to pass to recursive calls. */
@@ -2742,11 +2743,8 @@
start_lineno = line_number;
while (count)
{
-#if 0
- ch = shell_getc ((qc != '\'' || (flags & P_ALLOWESC)) && pass_next_character == 0);
-#else
- ch = shell_getc (qc != '\'' && pass_next_character == 0);
-#endif
+ ch = shell_getc (qc != '\'' && pass_next_character == 0 && backq_backslash == 0);
+
if (ch == EOF)
{
free (ret);
@@ -2771,9 +2769,16 @@
continue;
}
/* Not exactly right yet */
- else if (check_comment && in_comment == 0 && ch == '#' && (retind == 0 || ret[retind-1] == '\n' || whitespace (ret[retind -1])))
+ else if MBTEST(check_comment && in_comment == 0 && ch == '#' && (retind == 0 || ret[retind-1] == '\n' || whitespace (ret[retind - 1])))
in_comment = 1;
+ /* last char was backslash inside backquoted command substitution */
+ if (backq_backslash)
+ {
+ backq_backslash = 0;
+ /* Placeholder for adding special characters */
+ }
+
if (pass_next_character) /* last char was backslash */
{
pass_next_character = 0;
@@ -2814,6 +2819,8 @@
{
if MBTEST((flags & P_ALLOWESC) && ch == '\\')
pass_next_character++;
+ else if MBTEST((flags & P_BACKQUOTE) && ch == '\\')
+ backq_backslash++;
continue;
}
@@ -2898,7 +2905,11 @@
}
else if MBTEST(qc == '`' && (ch == '"' || ch == '\'') && in_comment == 0)
{
- nestret = parse_matched_pair (0, ch, ch, &nestlen, rflags);
+ /* Add P_BACKQUOTE so backslash quotes the next character and
+ shell_getc does the right thing with \<newline>. We do this for
+ a measure of backwards compatibility -- it's not strictly the
+ right POSIX thing. */
+ nestret = parse_matched_pair (0, ch, ch, &nestlen, rflags|P_BACKQUOTE);
goto add_nestret;
}
else if MBTEST(was_dollar && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */
@@ -2907,7 +2918,7 @@
if (open == ch) /* undo previous increment */
count--;
if (ch == '(') /* ) */
- nestret = parse_matched_pair (0, '(', ')', &nestlen, rflags);
+ nestret = parse_matched_pair (0, '(', ')', &nestlen, rflags & ~P_DQUOTE);
else if (ch == '{') /* } */
nestret = parse_matched_pair (0, '{', '}', &nestlen, P_FIRSTCLOSE|rflags);
else if (ch == '[') /* ] */
@@ -3578,7 +3589,7 @@
FREE (ttok);
all_digit_token = 0;
compound_assignment = 1;
-#if 0
+#if 1
goto next_character;
#else
goto got_token; /* ksh93 seems to do this */
@@ -3695,7 +3706,9 @@
struct builtin *b;
b = builtin_address_internal (token, 0);
if (b && (b->flags & ASSIGNMENT_BUILTIN))
- parser_state |= PST_ASSIGNOK;
+ parser_state |= PST_ASSIGNOK;
+ else if (STREQ (token, "eval") || STREQ (token, "let"))
+ parser_state |= PST_ASSIGNOK;
}
yylval.word = the_word;
@@ -4686,18 +4699,21 @@
int *retlenp;
{
WORD_LIST *wl, *rl;
- int tok, orig_line_number, orig_token_size;
+ int tok, orig_line_number, orig_token_size, orig_last_token, assignok;
char *saved_token, *ret;
saved_token = token;
orig_token_size = token_buffer_size;
orig_line_number = line_number;
+ orig_last_token = last_read_token;
last_read_token = WORD; /* WORD to allow reserved words here */
token = (char *)NULL;
token_buffer_size = 0;
+ assignok = parser_state&PST_ASSIGNOK; /* XXX */
+
wl = (WORD_LIST *)NULL; /* ( */
parser_state |= PST_COMPASSIGN;
@@ -4740,7 +4756,7 @@
jump_to_top_level (DISCARD);
}
- last_read_token = WORD;
+ last_read_token = orig_last_token; /* XXX - was WORD? */
if (wl)
{
rl = REVERSE_LIST (wl, WORD_LIST *);
@@ -4752,6 +4768,10 @@
if (retlenp)
*retlenp = (ret && *ret) ? strlen (ret) : 0;
+
+ if (assignok)
+ parser_state |= PST_ASSIGNOK;
+
return ret;
}
diff -Naur bash-3.1.orig/patchlevel.h bash-3.1/patchlevel.h
--- bash-3.1.orig/patchlevel.h 2005-07-20 10:58:20.000000000 -0700
+++ bash-3.1/patchlevel.h 2006-04-19 15:59:29.000000000 -0700
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 0
+#define PATCHLEVEL 17
#endif /* _PATCHLEVEL_H_ */
diff -Naur bash-3.1.orig/subst.c bash-3.1/subst.c
--- bash-3.1.orig/subst.c 2005-10-24 06:51:13.000000000 -0700
+++ bash-3.1/subst.c 2006-04-19 15:59:29.000000000 -0700
@@ -2187,7 +2187,7 @@
if (mklocal && variable_context)
{
v = find_variable (name);
- if (v == 0 || array_p (v) == 0)
+ if (v == 0 || array_p (v) == 0 || v->context != variable_context)
v = make_local_array_variable (name);
v = assign_array_var_from_string (v, value, flags);
}
@@ -2575,6 +2575,13 @@
return (expand_string_to_string_internal (string, quoted, expand_string_assignment));
}
+char *
+expand_arith_string (string, quoted)
+ char *string;
+{
+ return (expand_string_if_necessary (string, quoted, expand_string));
+}
+
#if defined (COND_COMMAND)
/* Just remove backslashes in STRING. Returns a new string. */
char *
@@ -5248,7 +5255,7 @@
else
t = (char *)0;
- temp1 = expand_string_if_necessary (substr, Q_DOUBLE_QUOTES, expand_string);
+ temp1 = expand_arith_string (substr, Q_DOUBLE_QUOTES);
*e1p = evalexp (temp1, &expok);
free (temp1);
if (expok == 0)
@@ -5293,7 +5300,7 @@
{
t++;
temp2 = savestring (t);
- temp1 = expand_string_if_necessary (temp2, Q_DOUBLE_QUOTES, expand_string);
+ temp1 = expand_arith_string (temp2, Q_DOUBLE_QUOTES);
free (temp2);
t[-1] = ':';
*e2p = evalexp (temp1, &expok);
@@ -6435,7 +6442,7 @@
temp2[t_index] = '\0';
/* Expand variables found inside the expression. */
- temp1 = expand_string_if_necessary (temp2, Q_DOUBLE_QUOTES, expand_string);
+ temp1 = expand_arith_string (temp2, Q_DOUBLE_QUOTES);
free (temp2);
arithsub:
@@ -6477,7 +6484,7 @@
zindex = t_index;
/* Do initial variable expansion. */
- temp1 = expand_string_if_necessary (temp, Q_DOUBLE_QUOTES, expand_string);
+ temp1 = expand_arith_string (temp, Q_DOUBLE_QUOTES);
goto arithsub;
@@ -6795,6 +6802,12 @@
if (temp && *temp && t_index > 0)
{
temp1 = bash_tilde_expand (temp, tflag);
+ if (temp1 && *temp1 == '~' && STREQ (temp, temp1))
+ {
+ FREE (temp);
+ FREE (temp1);
+ goto add_character; /* tilde expansion failed */
+ }
free (temp);
temp = temp1;
sindex += t_index;
diff -Naur bash-3.1.orig/subst.h bash-3.1/subst.h
--- bash-3.1.orig/subst.h 2004-11-07 12:12:28.000000000 -0800
+++ bash-3.1/subst.h 2006-04-19 15:59:29.000000000 -0700
@@ -151,6 +151,9 @@
extern char *expand_string_unsplit_to_string __P((char *, int));
extern char *expand_assignment_string_to_string __P((char *, int));
+/* Expand an arithmetic expression string */
+extern char *expand_arith_string __P((char *, int));
+
/* De-quoted quoted characters in STRING. */
extern char *dequote_string __P((char *));
diff -Naur bash-3.1.orig/variables.c bash-3.1/variables.c
--- bash-3.1.orig/variables.c 2005-11-12 18:22:37.000000000 -0800
+++ bash-3.1/variables.c 2006-04-19 15:58:34.000000000 -0700
@@ -860,9 +860,11 @@
{
char val[INT_STRLEN_BOUND(int) + 1], *v;
+#if defined (READLINE)
/* If we are currently assigning to LINES or COLUMNS, don't do anything. */
if (winsize_assignment)
return;
+#endif
v = inttostr (lines, val, sizeof (val));
bind_variable ("LINES", v, 0);